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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

Allylestrenol

CAS No: 432-60-0

Formula: C21H32O

Categories: Active Pharmaceutical Ingredients > Hormones and the Endocrine System

Allylestrenol, a synthetic sexualsteroid, is used worldwide in case of endangered pregnancies. More

Rifamycin

CAS No: 6998-60-3

Formula: C37H47NO12

Categories: Active Pharmaceutical Ingredients > Antibiotics

ChEBI: A member of the class of rifamycins that exhibits antibiotic and antitubercular properties.More

Edoxaban

CAS No: 480449-70-5

Formula: C24H30ClN7O4S

Categories: Active Pharmaceutical Ingredients > Other Chemical Drugs

Edoxaban(DU-176) is an oral factor Xa (FXa) inhibitor in clinical development for stroke preventionIC50 Value:Target: factor XaEdoxaban is an oral factor Xa (FXa) inhibitor in clinical development for stroke prevention in patients with atrial fibrillation, an elderly population that frequently receives aspirin (ASA) and/or nonsteroidal anti-inflammatory drugs for concurrent illnesses[1].in vitro: Edoxaban PK was not affected by concomitant low-dose ASA or naproxen, but high-dose ASA incrMore

Cefazolin

CAS No: 25953-19-9

Formula: C14H14N8O4S3

Categories: Active Pharmaceutical Ingredients > Antibiotics

needlesMore

Velpatasvir

CAS No: 1377049-84-7

Formula: C49H54N8O8

Categories: Active Pharmaceutical Ingredients > Other Chemical Drugs

ChEBI: A complex organic heteropentacyclic compound that is a hepatitis C virus nonstructural protein 5A inhibitor used in combination with sofosbuvir (under the brand name Epclusa) for treatment of patients with chronic hepatitis C of all six major genotypes.More

Mosapride

CAS No: 112885-41-3

Formula: C21H25ClFN3O3

Categories: Active Pharmaceutical Ingredients > Digestive System Drugs

Mosapride is a gastroprokinetic agent that acts as a selective 5HT4 agonist.Target: 5HT4 Mosapride is a gastroprokinetic agent that acts as a selective 5HT4 agonist. The major active metabolite of mosapride, known as M1, additionally acts as a 5HT3 antagonist, which accelerates gastric emptying throughout the whole of the gastrointestinal tract in humans, and is used for the treatment of gastritis, gastro-oesophageal reflux disease, functional dyspepsia and irritable bowel syndrome. It iMore

Tizanidine

CAS No: 51322-75-9

Formula: C9H8ClN5S

Categories: Active Pharmaceutical Ingredients > Digestive System Drugs

Tizanidine is an α2-adrenergic receptor agonist and inhibits neurotransmitter release from CNS noradrenergic neurons.Target: α2-adrenergic receptorTizanidine is a drug that is used as a muscle relaxant. It is a centrally acting α2 adrenergic agonist. It is used to treat the spasms, cramping, and tightness of muscles caused by medical problems such as multiple sclerosis, ALS, spastic diplegia, back pain, or certain other injuries to the spine or central nervous system. It is also prescribMore

Bambuterol

CAS No: 81732-65-2

Formula: C18H29N3O5

Categories: Active Pharmaceutical Ingredients > Amides

Bambuterol is a long acting beta-adrenoceptor agonist (LABA) used in the treatment of asthma; it also is a prodrug of terbutaline.IC50 value:Target: beta-adrenoceptor agonistBambuterol is contraindicated in pregnancy and in people with seriously impaired liver function. It can be used by people with renal impairment, but dose adjustments are necessary. The adverse effect profile of bambuterol is similar to that of salbutamol, and may include fatigue, nausea, palpitations, headache, dizziMore

1122 Active Pharmaceutical Ingredients Suppliers

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Dideoxyinosine

CAS No: 69655-05-6

Formula: C10H12N4O3

Categories: Active Pharmaceutical Ingredients > Saccharides

Didanosine(Videx) is a reverse transcriptase inhibitor with an IC50 of 0.49 μM.Target: NRTIs; HIVDidanosine is a dideoxynucleoside compound in which the 3'-hydroxy group on the sugar moiety has been replaced by a hydrogen. This modification prevents the formation of phosphodiester linkages which are needed for the completion of nucleic acid chains. Didanosine is a potent inhibitor of HIV replication, acting as a chain-terminator of viral DNA by binding to reverse transcriptase. DidanosinMore

9-Chloro-2-methyl-5H-pyrazolo[1,5-d][1,4]benzodiazepin-6(7H)-one

CAS No: 84661-23-4

Formula: C12H10ClN3O

Categories: Active Pharmaceutical Ingredients > Respiratory Drugs

Bismuth subsalicylate

CAS No: 14882-18-9

Formula: C7H5BiO4

Categories: Active Pharmaceutical Ingredients > Synthetic Anti-infective Drugs

White or almost white powder.White crystalline powder or fluffy white solid.Bismuth subsalicylate, an active ingredient in the popular medication Pepto-Bismol, is used for the treatment of nausea, heartburn, indigestion, upset stomach, diarrhea, and other temporary discomforts of the stomach and gastrointestinal tract (including duodenal and peptic ulcers, ulcerative colitis, and diarrhea[1–5]. It is also the main ingredient of Kaopectate. More

Alibendol

CAS No: 26750-81-2

Formula: C13H17NO4

Categories: Active Pharmaceutical Ingredients > Digestive System Drugs

Alibendol is an antispasmodic,choleretic, and cholekinetic. Target: Othersadministration of alibendol in beagle dogs, observed retention times were approximately 5.0 min for alibendol. The within-run precision showed RSD values between 5.83 and 16.96 %. The between-run RSD values varied from 6.73 to 17.99 % at the LLOQ [1].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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