Molecules That Power the World’s Medicines

Antacid APIs

Almasilate

CAS No. 66829-18-5

A complex hydrated aluminum-magnesium silicate compound used as an antacid to neutralize gastric acid.

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Antacid APIs

Aluminum Hydroxide

CAS No. 21645-51-2

An antacid API used to neutralize gastric acid, also used as an adjuvant in vaccine formulations…

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Antacid APIs

Aluminum Phosphate

CAS No. 7784-30-7

An aluminum-based antacid API and, separately, a vaccine adjuvant, used to neutralize gastric acid or enhance…

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Mucolytic

Ambroxol HCl

CAS No. 23828-92-4

A mucolytic/mucokinetic agent used in oral and syrup formulations to reduce sputum viscosity in respiratory conditions.

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Local Anaesthetic

Articaine HCl

CAS No. 23964-57-0

An amide-type local anaesthetic with a thiophene ring, used primarily in injectable formulations for dental anaesthesia.

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Cardiovascular

Atorvastatin Calcium

CAS No. 134523-03-8

An HMG-CoA reductase inhibitor (statin) used in oral formulations to lower LDL cholesterol and reduce cardiovascular…

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Steroid APIs

Beclomethasone & Salts

CAS No. 5534-09-8

An inhaled and topical corticosteroid ester used in formulations for asthma, allergic rhinitis, and inflammatory skin…

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Anti-cancer

Bendamustine HCl

CAS No. 3543-75-7

A bifunctional alkylating agent used in injectable oncology formulations for chronic lymphocytic leukemia and non-Hodgkin lymphoma.

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Local Anaesthetic

Benzocaine

CAS No. 94-09-7

An ester-type local anaesthetic used in topical formulations for mucosal and skin surface anaesthesia.

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Steroid APIs

Betamethasone & Salts

CAS No. 378-44-9

A synthetic glucocorticoid used as the active ingredient in topical, oral, and injectable anti-inflammatory and immunosuppressive…

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Vitamins

Biotin

CAS No. 58-85-5

A water-soluble B-vitamin (Vitamin B7) used as an API in nutritional supplements and formulations supporting metabolic,…

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Steroid APIs

Budesonide

CAS No. 51333-22-3

A non-halogenated glucocorticoid used in inhaled, nasal, and oral formulations for asthma, allergic rhinitis, and inflammatory…

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Local Anaesthetic

Bupivacaine HCl

CAS No. 18010-40-7

A long-acting amide-type local anaesthetic used in injectable formulations for surgical and obstetric regional anaesthesia.

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CNS Stimulant

Caffeine Anhydrous

CAS No. 58-08-2

A methylxanthine CNS stimulant used as an API in analgesic combination products, respiratory stimulant formulations for…

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Antacid APIs

Calcium Carbonate

CAS No. 471-34-1

An antacid and calcium supplement API used to neutralize gastric acid and provide dietary calcium.

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Antacid APIs

Calcium Phosphate

CAS No. 7758-87-4

A calcium supplement and excipient API used in antacid, mineral supplement, and tablet formulations as a…

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Anti-cancer

Capecitabine

CAS No. 154361-50-9

An orally administered fluoropyrimidine carbamate prodrug of 5-fluorouracil, used in oncology formulations for colorectal and breast…

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Anti-inflammatory

Celecoxib

CAS No. 169590-42-5

A selective COX-2 inhibitor NSAID used in oral formulations for osteoarthritis, rheumatoid arthritis, and acute pain.

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Antibiotic

Ciprofloxacin HCl

CAS No. 93107-08-5

A broad-spectrum fluoroquinolone antibiotic used in oral, injectable, and ophthalmic formulations for bacterial infections.

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Steroid APIs

Clobetasol Propionate

CAS No. 25122-46-7

A high-potency topical corticosteroid API used in formulations for severe, steroid-responsive inflammatory skin conditions.

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Antifungal

Clotrimazole

CAS No. 23593-75-1

An imidazole-class antifungal used in topical and vaginal formulations for dermatophyte and candidal infections.

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Anti-cancer

Dasatinib

CAS No. 302962-49-8

A multi-targeted tyrosine kinase inhibitor used in oral oncology formulations for chronic myeloid leukemia and acute…

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Steroid APIs

Deflazacort

CAS No. 14484-47-0

An oxazoline-derivative corticosteroid used in anti-inflammatory and immunosuppressive formulations, including for muscular dystrophy management.

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Steroid APIs

Dexamethasone & Salts

CAS No. 50-02-2

A long-acting synthetic corticosteroid used in anti-inflammatory, immunosuppressive, and anti-emetic pharmaceutical formulations.

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Antacid APIs

Dihydroxyaluminum Aminoacetate

CAS No. 1303-75-9

A buffered aluminum-glycine antacid compound used to neutralize gastric acid in antacid formulations.

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Antacid APIs

Dihydroxyaluminum Sodium Carbonate

CAS No. 12079-65-1

A basic aluminum-sodium antacid compound used to neutralize gastric acid in antacid formulations.

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Anti-cancer

Doxorubicin

CAS No. 23214-92-8

An anthracycline antibiotic used in injectable oncology formulations for a broad range of solid tumors and…

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Steroid APIs

Dutasteride

CAS No. 164656-23-9

A dual 5-alpha-reductase inhibitor used in formulations for the treatment of benign prostatic hyperplasia.

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Hormone APIs

Dydrogesterone

CAS No. 152-62-5

A synthetic progestogen used in oral formulations for hormone replacement therapy, threatened miscarriage, and menstrual disorders.

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Antibiotic

Erythromycin Stearate

CAS No. 643-22-1

A macrolide antibiotic salt used in oral formulations for a broad range of bacterial infections.

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Anti-inflammatory

Etoricoxib

A selective COX-2 inhibitor NSAID used in oral formulations for osteoarthritis, rheumatoid arthritis, and acute pain…

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Steroid APIs

Finasteride

CAS No. 98319-26-7

A synthetic 5-alpha-reductase inhibitor used in formulations for benign prostatic hyperplasia and androgenetic alopecia.

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Antifungal

Fluconazole

CAS No. 86386-73-4

A triazole-class antifungal used in oral and injectable formulations for systemic and mucosal candidal and fungal…

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Steroid APIs

Fluocinolone Acetonide

CAS No. 67-73-2

A fluorinated corticosteroid used in topical, otic, and ophthalmic formulations for inflammatory skin and eye conditions.

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Anti-cancer

Fulvestrant

CAS No. 129453-61-8

A selective estrogen receptor degrader (SERD) used in injectable oncology formulations for hormone-receptor-positive breast cancer.

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Antibiotic

Fusidic Acid

CAS No. 6990-06-3

A steroidal antibiotic used in topical and systemic formulations for staphylococcal skin and soft-tissue infections.

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Anti-cancer

Gemcitabine

CAS No. 95058-81-4

A nucleoside analogue antimetabolite used in injectable oncology formulations for pancreatic, lung, breast, and ovarian cancers.

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Steroid APIs

Halobetasol Propionate

CAS No. 66852-54-8

An ultra-high-potency topical corticosteroid used in formulations for severe, recalcitrant inflammatory skin conditions such as psoriasis.

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Steroid APIs

Hydrocortisone Acetate & Salts

CAS No. 50-03-3

A corticosteroid ester used in topical, ophthalmic, and rectal formulations for inflammatory and allergic skin and…

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Antacid APIs

Hydrotalcite

CAS No. 11097-59-9

A layered aluminum-magnesium hydroxide carbonate mineral compound used as an antacid to neutralize gastric acid.

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Anti-cancer

Imatinib Mesylate

CAS No. 220127-57-1

A tyrosine kinase inhibitor used in oral oncology formulations for chronic myeloid leukemia and gastrointestinal stromal…

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Antifungal

Itraconazole

CAS No. 84625-61-6

A triazole-class antifungal used in oral formulations for systemic fungal infections.

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Anti-cancer

Lapatinib

CAS No. 231277-92-2

A dual tyrosine kinase inhibitor (HER2/EGFR) used in oral oncology formulations for HER2-positive breast cancer.

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Anti-cancer

Letrozole

CAS No. 112809-51-5

A non-steroidal aromatase inhibitor used in oral oncology formulations for hormone-receptor-positive breast cancer.

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Peptide APIs

Leuprolide

CAS No. 74381-53-6

A synthetic GnRH agonist peptide used in injectable and implant formulations for prostate cancer, endometriosis, and…

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Antibiotic

Levofloxacin

CAS No. 100986-85-4

The levorotatory isomer of ofloxacin, a broad-spectrum fluoroquinolone antibiotic used in oral, injectable, and ophthalmic formulations…

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Local Anaesthetic

Lidocaine Base

CAS No. 137-58-6

The free-base form of the amide local anaesthetic lidocaine, used in topical anaesthetic formulations, including eutectic…

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Local Anaesthetic

Lidocaine HCl

CAS No. 73-78-9

An amide-type local anaesthetic salt used in injectable, topical, and cardiac anti-arrhythmic formulations.

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Peptide APIs

Liraglutide

CAS No. 204656-20-2

A GLP-1 receptor agonist peptide used in injectable formulations for type 2 diabetes and chronic weight…

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Antacid APIs

Magaldrate

CAS No. 38777-86-9

A complex hydrated aluminum-magnesium hydroxide sulfate compound used as an antacid to neutralize gastric acid.

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Antacid APIs

Magnesium Carbonate

CAS No. 546-93-0

An antacid and excipient API used to neutralize gastric acid and as an anti-caking/opacifying agent in…

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Antacid APIs

Magnesium Hydroxide

CAS No. 1309-42-8

An antacid and osmotic laxative API used to neutralize gastric acid and relieve constipation.

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Antacid APIs

Magnesium Oxide

CAS No. 1309-48-4

A magnesium supplement and antacid API used to neutralize gastric acid and address magnesium deficiency.

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Antacid APIs

Magnesium Silicate

CAS No. 1343-88-0

A hydrated magnesium silicate compound used as an antacid and as a glidant/anti-caking excipient in pharmaceutical…

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Antacid APIs

Magnesium Trisilicate

CAS No. 14987-04-3

A hydrated magnesium-silicon antacid compound used to neutralize gastric acid and adsorb toxins in gastrointestinal formulations.

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Anti-inflammatory

Mefenamic Acid

CAS No. 61-68-7

A fenamate-class NSAID used in oral formulations for mild to moderate pain and inflammation.

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Anti-inflammatory

Meloxicam

CAS No. 71125-38-7

An oxicam-class, COX-2-preferential NSAID used in oral formulations for osteoarthritis and rheumatoid arthritis.

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Local Anaesthetic

Mepivacaine HCl

CAS No. 1722-62-9

An amide-type local anaesthetic salt used in injectable formulations for dental and regional anaesthesia.

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Vitamins

Methylcobalamin

CAS No. 13422-55-4

An active coenzyme form of vitamin B12 used as an API in nutritional supplements and formulations…

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Anti-cancer

Mitomycin C

CAS No. 50-07-7

An alkylating antitumor antibiotic used in injectable and intravesical oncology formulations, including for bladder and gastrointestinal…

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Steroid APIs

Mometasone Furoate

CAS No. 83919-23-7

A synthetic corticosteroid ester used in nasal, inhaled, and topical formulations for allergic rhinitis, asthma, and…

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Antibiotic

Mupirocin

CAS No. 12650-69-0

A topical antibiotic derived from Pseudomonas fluorescens fermentation, used in formulations for bacterial skin infections including…

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Antibiotic

Mupirocin Calcium

CAS No. 115074-43-6

The calcium salt of mupirocin, used as a more stable API form in topical antibacterial nasal…

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Hormone APIs

Nandrolone Decanoate

CAS No. 360-70-3

A long-acting injectable anabolic-androgenic steroid ester used in formulations for conditions involving muscle wasting and certain…

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Hormone APIs

Norethisterone/Norethindrone

CAS No. 68-22-4

A synthetic progestin used in oral contraceptive and hormone replacement therapy formulations.

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Antifungal

Nystatin

CAS No. 1400-61-9

A polyene antifungal antibiotic used in oral, topical, and vaginal formulations for candidal infections.

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Antibiotic

Ofloxacin

CAS No. 82419-36-1

A broad-spectrum fluoroquinolone antibiotic used in oral, injectable, ophthalmic, and otic formulations for bacterial infections.

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Anti-cancer

Olaparib

CAS No. 763113-22-0

A PARP inhibitor used in oral oncology formulations for BRCA-mutated ovarian, breast, pancreatic, and prostate cancers.

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Anti-cancer

Paclitaxel

CAS No. 33069-62-4

A microtubule-stabilizing taxane derived from Taxus species, used in injectable oncology formulations for ovarian, breast, and…

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Insecticide/Vet

Permethrin

A synthetic pyrethroid used as an active ingredient in topical antiparasitic (scabicide/pediculicide) formulations and veterinary/agricultural insecticide…

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Anti-inflammatory

Piroxicam

CAS No. 36322-90-4

An oxicam-class NSAID used in oral and topical formulations for pain and inflammation associated with arthritic…

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Antacid APIs

Potassium Bicarbonate

CAS No. 298-14-6

An alkalizing potassium salt used as an API in antacid and electrolyte-replacement formulations.

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Steroid APIs

Prednisolone & Salts

CAS No. 50-24-8

A synthetic glucocorticoid used in oral, injectable, and ophthalmic anti-inflammatory and immunosuppressive formulations.

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Local Anaesthetic

Prilocaine Base

CAS No. 721-50-6

The free-base form of the amide local anaesthetic prilocaine, used in topical anaesthetic formulations, often in…

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Local Anaesthetic

Prilocaine HCl

CAS No. 1786-81-8

An amide-type local anaesthetic salt used in injectable and topical formulations for local and regional anaesthesia.

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Local Anaesthetic

Procaine HCl

CAS No. 51-05-8

An ester-type local anaesthetic salt used in injectable formulations for local and regional anaesthesia.

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Hormone APIs

Progesterone

CAS No. 57-83-0

An endogenous progestogen hormone used as an API in formulations for hormone replacement therapy, fertility support,…

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Steroid APIs

Resorcinol

CAS No. 108-46-3

A dihydroxybenzene compound used as an active ingredient and intermediate in topical antiseptic, keratolytic, and dermatological…

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Local Anaesthetic

Ropivacaine HCl

CAS No. 132112-35-7

An amide-type local anaesthetic used in injectable formulations for surgical anaesthesia and regional/epidural pain management.

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Cardiovascular

Rosuvastatin Calcium

CAS No. 147098-20-2

An HMG-CoA reductase inhibitor (statin) used in oral formulations to lower LDL cholesterol and reduce cardiovascular…

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Anti-cancer

Ruxolitinib

CAS No. 941678-49-5

A JAK1/JAK2 inhibitor used in oral formulations for myelofibrosis, polycythemia vera, and graft-versus-host disease.

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Peptide APIs

Semaglutide

CAS No. 910463-68-2

A long-acting GLP-1 receptor agonist peptide used in injectable and oral formulations for type 2 diabetes…

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Erectile Dysfunction

Sildenafil Citrate

CAS No. 171599-83-0

A PDE5 inhibitor citrate salt used in oral formulations for erectile dysfunction and pulmonary arterial hypertension.

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Antacid APIs

Sodium Bicarbonate

CAS No. 144-55-8

An alkalizing agent used as an API in antacid formulations and as a buffering/effervescent excipient in…

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Antacid APIs

Sodium Citrate (Anhydrous)

CAS No. 68-04-2

A buffering and alkalizing agent used as an API and excipient in antacid, urinary alkalinizing, and…

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Antacid APIs

Sodium Citrate Dihydrate

CAS No. 6132-04-3

The dihydrate form of sodium citrate, used as a buffering and alkalizing agent in antacid, oral…

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Steroid APIs

Spironolactone

CAS No. 52-01-7

A synthetic aldosterone antagonist (potassium-sparing diuretic) used in formulations for hypertension, edema, and hyperaldosteronism.

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Immunosuppressant

Tacrolimus

CAS No. 104987-11-3

A macrolide calcineurin inhibitor used as an immunosuppressant API in formulations to prevent organ transplant rejection…

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Erectile Dysfunction

Tadalafil

CAS No. 171596-29-5

A long-acting PDE5 inhibitor used in oral formulations for erectile dysfunction, benign prostatic hyperplasia, and pulmonary…

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Prostatic Hyperplasia

Tamsulosin HCl

CAS No. 106463-17-6

A selective alpha-1 adrenergic receptor blocker used in oral formulations for benign prostatic hyperplasia.

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Opioid

Tapentadol HCl

CAS No. 175591-09-0

A centrally-acting analgesic with combined opioid and noradrenergic mechanisms, used in oral formulations for moderate to…

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Hormone APIs

Testosterone Base

CAS No. 58-22-0

The principal endogenous androgen, used as an API in formulations for testosterone replacement therapy and hypogonadism.

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Hormone APIs

Testosterone Cypionate

CAS No. 58-20-8

A long-acting injectable ester of testosterone used in formulations for testosterone replacement therapy.

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Hormone APIs

Testosterone Decanoate

CAS No. 5721-91-5

A long-acting injectable ester of testosterone, typically used as one component of blended testosterone ester formulations…

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Hormone APIs

Testosterone Enanthate

CAS No. 315-37-7

A long-acting injectable ester of testosterone used in formulations for testosterone replacement therapy.

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Hormone APIs

Testosterone Propionate

CAS No. 57-85-2

A short-acting injectable ester of testosterone used in formulations for androgen replacement therapy.

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Local Anaesthetic

Tetracaine Base

CAS No. 94-24-6

The free-base form of the ester-type local anaesthetic tetracaine, used in topical anaesthetic formulations.

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Local Anaesthetic

Tetracaine HCl

CAS No. 136-47-0

An ester-type local anaesthetic salt used in topical, ophthalmic, and spinal anaesthesia formulations.

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CNS Stimulant

Theophylline

CAS No. 58-55-9

A methylxanthine bronchodilator used in oral and injectable formulations for asthma and chronic obstructive pulmonary disease.

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Vitamins

Tretinoin

CAS No. 302-79-4

A retinoic acid derivative (Vitamin A metabolite) used as an API in topical formulations for acne…

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Steroid APIs

Triamcinolone Acetonide

CAS No. 76-25-5

A fluorinated corticosteroid used in topical, intra-articular, and inhaled formulations for inflammatory and allergic conditions.

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Peptide APIs

Triptorelin

CAS No. 140194-24-7

A synthetic GnRH agonist peptide used in injectable and depot formulations for prostate cancer, endometriosis, and…

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Vitamins

Vitamin B2

CAS No. 83-88-5

An essential water-soluble B-vitamin used as an API in nutritional supplements, fortified foods, and formulations addressing…

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