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Home > Active Pharmaceutical Ingredients
In the chemical industry, API is Active Pharmaceutical Ingredients, meaning the active ingredients in pharmaceutical products. It is the core substance for producing the intended therapeutic effect. The quality of Active Pharmaceutical Ingredients is critical to the safety and efficacy of the final pharmaceutical product. Therefore, the production of API chemicals involves strict regulatory guidelines and standards, such as GMP (Good Manufacturing Practices) and GLP (Good Laboratory Practices). On ECHEMI, you can select API chemical products on your demand from various active pharmaceutical ingredient manufacturers and distributors.

Active Pharmaceutical Ingredients Suppliers

Buying Active Pharmaceutical Ingredients (APIs) can still be challenging, especially when quality, compliance, and supply stability matter most. On ECHEMI, you can access 743 qualified manufacturers and 379 verified distributors across China, India, the USA, Europe, and other regions. Compare API specifications, review compliance standards, and connect directly with reliable suppliers to support your pharmaceutical production and research needs.
Explore active pharmaceutical ingredients for your specific needs now.
4831 Active Pharmaceutical Ingredients items

Gossypol

CAS No: 303-45-7

Formula: C30H30O8

Categories: Active Pharmaceutical Ingredients > Hormones and the Endocrine System

Gossypol, a natural product isolated from cottonseeds and roots, binds to Bcl-xL protein and Bcl-2 protein with Kis of 0.5-0.6 μM and 0.2-0.3 mM, respectively. More

Oxibendazole

CAS No: 20559-55-1

Formula: C12H15N3O3

Categories: Active Pharmaceutical Ingredients > Antiparasitic Drugs

Oxibendazole is a broad-spectrum anthelmintic Target: AntiparasiticOxibendazole is a benzimidazole drug that is used to protect against roundworms, strongyles, threadworms, pinworms and lungworm infestations in horses and some domestic pets. It is usually white to yellowish in appearance, and may take the form of a powder or a tablet. From Wikipedia. More

(±)-Trihexyphenidyl

CAS No: 144-11-6

Formula: C20H31NO

Categories: Active Pharmaceutical Ingredients > Nervous System Drugs

SolidMore

Lacidipine

CAS No: 103890-78-4

Formula: C26H33NO6

Categories: Active Pharmaceutical Ingredients > Circulatory System Drugs

White-to-Off-White Crystalline SolidLacidipine is a new second-generation dihydropyridine calcium antagonist introduced as a once a day treatment for mild to moderate hypertension. It is reported to have high selectivity for vascular smooth muscle and also a long duration of action. The use of lacidipine as an antiatherosclerotic agent is currently under investigation.More

1122 Active Pharmaceutical Ingredients Suppliers

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Cefditoren

CAS No: 104145-95-1

Formula: C19H18N6O5S3

Categories: Active Pharmaceutical Ingredients > Antibiotics

ChEBI: A broad spectrum, third-generation cephalosporin antibiotic with (Z)-2-(4-methyl-1,3-thiazol-5-yl)ethenyl and (2Z)-2-(2-amino-1,3-thiazol-4-yl)-2-(methoxyimino)acetamido groups at positions 3 and 7, respectively, of the ce hem skeleton. Generally administered as its orally absorbed pivaloyloxymethyl ester prodrug, it is used for the treatment of mild to moderate infections caused by susceptible strains of microorganisms in acute bacterial exacerbation of chronic bronchitis, ommunity-aMore

Moxonidine

CAS No: 75438-57-2

Formula: C9H12ClN5O

Categories: Active Pharmaceutical Ingredients > Circulatory System Drugs

Moxonidine(BDF5895) is a selective agonist at the imidazoline receptor subtype 1, used as antihypertensive agent.Target: I1-RMoxonidine is a centrally acting antihypertensive agent. Mixed Nischarin (I1 imidazoline receptor) and α2-AR (adrenergic) agonist; displays 40-fold higher affinity for I1 receptors versus α2-adrenoceptors. Moxonidine reduced stimulated NE overflow (log EC50: -6.15 +/- 0.14). AGN192403, a selective ligand at I1-R, had no influence on the dose-response curve of moxonMore

Maraviroc

CAS No: 376348-65-1

Formula: C29H41F2N5O

Categories: Active Pharmaceutical Ingredients > Synthetic Anti-infective Drugs

Maraviroc is a selective CCR5 antagonist with activity against human HIV. More

Tazarotene

CAS No: 118292-40-3

Formula: C21H21NO2S

Categories: Active Pharmaceutical Ingredients > Skin Conditioning

It is as white-like or pale yellow solid. White SolidChEBI: The ethyl ester of tazarotenic acid. A prodrug for tazarotenic acid, it is used for the treatment of psoriasis, acne, and sun-damaged skin.Tazarotene belongs to a third generation prescription topical retinoid. It is marketed in different forms including cream (brand name: Avage), foam (brand name: Fabuir) and gel (brand name: Tazorac). It is mainly used for the treatment of psoriasis, acne, and sun damaged skin. The detailed mechMore

Dibucaine hydrochloride

CAS No: 61-12-1

Formula: C20H30ClN3O2

Categories: Active Pharmaceutical Ingredients > Anesthetic Agents

Dibucaine Hydrochloride is a local anesthetic of the amide type now generally used for surface anesthesia.Target: Sodium ChannelDibucaine is an amide local anesthetic. Dibucaine reduced the degradation of BSA-gold complex in the reservosomes, which was not caused either by an inhibition of the whole proteolytic activity of the parasite or by a reduction on the expression levels of cruzipain [1].Dibucaine, a quaternary ammonium compound, inhibited SChE to a minimum within 2 min in a reverMore

Benzathine penicillin

CAS No: 1538-09-6

Formula: C16H20N2.2C16H18N2O4S

Categories: Active Pharmaceutical Ingredients > Antibiotics

White or almost white powder.Benzathine penicillin and procaine penicillin is an antibiotic that fights bacteria in your body. Benzathine penicillin and procaine penicillin is used to treat many different types of severe infections, including strep and staph infections, diphtheria, meningitis, gonorrhea, and syphilis. It is also used to prevent rheumatic fever. It is given by injection into a muscle. Belonging to a penicillin-class drug, its mechanism of action is inhibiting the cell wall synthMore

Angiotensin acetate

CAS No: 58-49-1

Formula: C49H69N13O12

Categories: Active Pharmaceutical Ingredients > Circulatory System Drugs

Angiotensin II 5-valine is an agonist of angiotensin receptor. More

Active Pharmaceutical Ingredients Market

Market report will help you efficiently source API chemicals! ECHEMI can provide export and import data of API products you need to monitor and analyze the API market!
  • Phytosterol:

    40.0Yuan/kg -

Frequently Asked Questions

Are APIs safe to store and transport?

APIs must be handled according to regulatory and safety guidelines. Proper storage conditions, protective equipment, and transportation protocols are required to maintain stability and prevent contamination or hazards.

What industries use APIs?

APIs are widely used in pharmaceutical, veterinary, nutraceutical, and chemical research industries. They are essential for manufacturing medications, supplements, and experimental formulations.

How can I buy active pharmaceutical ingredients in bulk?

You can find certified API manufacturers and traders on ECHEMI. They provide detailed product information, CAS numbers, and safety data sheets (SDS) to ensure safe and reliable bulk purchases.

What are the top selling APIs on ECHEMI?

The top selling APIs on ECHEMI include Veterinary Raw Materials, Anesthetic Agents, Antiallergic Drugs, Feed Additives, Hormones and Endocrine Drugs, Digestive System Drugs, Vitamins and Minerals, Synthetic Anti-infective Drugs, Respiratory Drugs, and other chemical drugs.

What are active pharmaceutical ingredients?

Active Pharmaceutical Ingredients, also known as APIs, are the main active ingredients in a pharmaceutical drug to provide the intended therapeutic effect. APIs can be chemically synthesized or obtained from natural sources like plants and animals. After identifying the API, it is combined with other inactive ingredients to create a drug product that can be taken in different forms, such as tablets, capsules or injections.

What are the most common active pharmaceutical ingredients?

Here are some examples of common API chemicals.

1) Paracetamol (Acetaminophen) - a pain reliever and fever reducer

2) Ibuprofen - a nonsteroidal anti-inflammatory drug (NSAID) used to treat pain, fever, and inflammation

3) Aspirin - a medication used to reduce pain, fever, and inflammation and also used as a blood thinner

4) Amoxicillin - an antibiotic used to treat bacterial infections

5) Metformin - an oral medication for type 2 diabetes that lowers blood sugar levels

6) Omeprazole - a proton-pump inhibitor (PPI) used to reduce stomach acid production

7) Atorvastatin - a medication used to lower cholesterol levels in the blood

8) Sertraline - an antidepressant medication belonging to the class of selective serotonin reuptake inhibitors (SSRIs)

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