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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 745 qualified manufacturers and 393 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.
4850 Active Pharmaceutical Ingredients items

Epalrestat

CAS No: 82159-09-9

Formula: C15H13NO3S2

Categories: Active Pharmaceutical Ingredients > Hormones and the Endocrine System

Epalrestat is an aldose reductase inhibitor for the treatment of diabetic neuropathy.Target: Aldose ReductaseEpalrestat may affect or delay progression of the underlying disease process. Data from six clinical trials were evaluated, and it was determined that epalrestat 50 mg 3 times/day may improve motor and sensory nerve conduction velocity and subjective neuropathy symptoms as compared with baseline and placebo. Epalrestat may serve as a new therapeutic option to prevent or slow the pMore

Nitrofurazone

CAS No: 59-87-0

Formula: C6H6N4O4

Categories: Active Pharmaceutical Ingredients > Antimicrobials

Nitrofural is a bactericidal compound used as an antibiotic most commonly in the form of ointments.Target: AntibacterialNitrofurazone, a nitroaromatic drug, is a broad spectrum antibiotic which has until now been considered as activated in bacteria by nitroreductases. Its use in medicine has become less frequent as safer and more effective products have become available, and it has been discontinued in the US.Nitrofurazone (NF) and its derivative, hydroxymethylnitrofurazone (NFOH), haveMore

Erythromycin ethyl succinate

CAS No: 1264-62-6

Formula: C43H75NO16

Categories: Active Pharmaceutical Ingredients > Antibiotics

ERYTHROMYCIN ETHYLSUCCINATE is crystals Erythromycin ethylsuccinate (EES, Pediamycin, EryPed) isthe ethylsuccinate mixed ester of erythromycin in which the2'-hydroxyl group of the desosamine is esterified. It isabsorbed as the ester and hydrolyzed slowly in the body toform erythromycin. It is somewhat acid labile, and itsabsorption is enhanced by the presence of food. The ester isinsoluble in water but soluble in alcohol and ether.More

P-[1-(Butylamino)-1-methylethyl]phosphinic acid

CAS No: 17316-67-5

Formula: C7H18NO2P

Categories: Active Pharmaceutical Ingredients > Veterinary Raw Materials

Butafosfan is an organic phosphorus supplement that is given, most commonly with cyanocobalamin, to cattle, swine, horses, and poultry for the prevention or treatment of deficiencies. When given with cyanocobalamin, butafosfan alters lipid metabolism, serving to decrease the prevalence of subclinical ketosis.More

15-28-Somatostatin-28

CAS No: 38916-34-6

Formula: C76H104N18O19S2

Categories: Active Pharmaceutical Ingredients > Hormones and the Endocrine System

Cyclic somatostatin is a growth hormone-release inhibiting factor used in the treatment of severe, acute hemorrhages of gastroduodenal ulcers. Sequence: H-Ala-Gly-Cys-Lys-Asn-Phe-Phe-Trp-Lys-Thr-Phe-Thr-Ser-Cys-OH (Disulfide bridge: Cys3-Cys14). More

1138 Active Pharmaceutical Ingredients Suppliers

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Atazanavir

CAS No: 198904-31-3

Formula: C38H52N6O7

Categories: Active Pharmaceutical Ingredients > Antibiotics

Crystalline SolidChEBI: A heavily substituted carbohydrazide that is an antiretroviral drug of the protease inhibitor (PI) class used to treat infection of human immunodeficiency virus (HIV).Atazanavir is an inhibitor of human immunodeficiency virus type 1 (HIV-1) protease, an enzyme that is essential for the processing of Gag and Gag-Pol polyproteins into structural and enzymatic proteins required for viral replication. It has a similar pharmacophore motif to the other six widely marketed HMore

Epinastine

CAS No: 80012-43-7

Formula: C16H15N3

Categories: Active Pharmaceutical Ingredients > Antiallergic Drugs

Epinastine(WAL801) is an antihistamine and mast cell stabilizer that is used in eye drops to treat allergic conjunctivitis.Target: Histamine ReceptorEpinastine shows a high affinity to H1-receptors in receptor binding studies in the guinea pig ileum. Epinastine inhibits histamine-induced reactions in the skin or the lung of rats, dogs and guinea pigs [1]. Epinastine is able to displace specific [3H]NC-5Z binding at low concentrations in the locust nervous tissue. Epinastine binds to theMore

Ozagrel

CAS No: 82571-53-7

Formula: C13H12N2O2

Categories: Active Pharmaceutical Ingredients > Blood System Drugs

Ozagrel(OKY-046) is an antiplatelet agent working as a thromboxane A2 synthesis inhibitor.Target: Thromboxane A2 SynthaseOzagrel was selected as the best compound of highly selective inhibitors of TXA2 synthase. The inhibition of TXA2 synthase by ozagrel was more effective on human and rabbit enzymes than those of other species. Ozagrel increased 6-keto-PGF1 alpha, one of stable metabolites of PGI2, in various isolated cells and tissues perhaps via accumulated PG endoperoxides resulted bMore

Rasagiline

CAS No: 136236-51-6

Formula: C12H13N

Categories: Active Pharmaceutical Ingredients > Digestive System Drugs

Rasagiline(AGN1135;TVP1012) is a new MAO-B inhibitor for the treatment of idiopathic Parkinson's disease. Target: Monoamine Oxidase (MAO)-BRasagiline (N-propargyl-1-(R)-aminoindan) is a novel, highly potent irreversible monoamine oxidase (MAO)-B inhibitor, anti-Parkinsonian drug. Rasagiline is effective as monotherapy or adjunct to L-Dopa for patients with early and late Parkinson's disease (PD) [1]. Rasagiline inhibits MAO-B more potently than selegiline and has the advantage of once-daMore

Chlormadinone acetate

CAS No: 302-22-7

Formula: C23H29ClO4

Categories: Active Pharmaceutical Ingredients > Hormones and the Endocrine System

Chlormadinone acetate is a steroidal progestin, with antiandrogen and antiestrogenic effects. More

Phentolamine

CAS No: 50-60-2

Formula: C17H19N3O

Categories: Active Pharmaceutical Ingredients > Circulatory System Drugs

ChEBI: A substituted aniline that is 3-aminophenol in which the hydrogens of the amino group are replaced by 4-methylphenyl and 4,5-dihydro-1H-imidazol-2-ylmethyl groups respectively. An alpha-adrenergic antagonist, it is used fo the treatment of hypertension.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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