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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 380 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

2-Ethyl-1,3-hexanediol

CAS No: 94-96-2

Formula: C8H18O2

Categories: Active Pharmaceutical Ingredients > Dissolving Agent

clear liquid 2-Ethyl-1,3-hexanediol is an oily, colorless, slightly viscousliquid, that is soluble in alcohol and ether but poorly solublein water (4.2% at 20°C).More

6,9-DIAMINO-2-ETHOXYACRIDINE LACTATE

CAS No: 1837-57-6

Formula: C18H21N3O4

Categories: Active Pharmaceutical Ingredients > Synthetic Anti-infective Drugs

Pale-yellow crystals. Slowly soluble in 15 parts water; soluble in 9 parts boiling water; soluble in 110 parts alcohol (22C). Solutions are yellow, fluorescent, and stable to boiling.More

Gossypol acetic acid

CAS No: 12542-36-8

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

Bromovalerylurea

CAS No: 496-67-3

Formula: C6H11BrN2O2

Categories: Active Pharmaceutical Ingredients > Nervous System Drugs

Bromisoval has anti-inflammatory effects and has been used as an old sedative and hypnotic. More

Netilmicin

CAS No: 56391-56-1

Formula: C21H41N5O7

Categories: Active Pharmaceutical Ingredients > Antibiotics

It is a derivative of the aminoglycoside antibiotic Sisostromycin. The antibacterial spectrum is similar to gentamicin, tobramycin, ciltinomycin, and amikacin, but it is more effective against Staphylococcus aureus and intestinal bacteria, and inhibits Pseudomonas aeruginosa and Provistan Is slightly worse. Its biggest advantage is that it is less toxic to the auditory nerves and kidneys than aminoglycoside antibiotics commonly used in clinics, and is highly effective against gentamicin-resistanMore

Clioquinol

CAS No: 130-26-7

Formula: C9H5ClINO

Categories: Active Pharmaceutical Ingredients > Antiparasitic Drugs

Almost white, light yellow, brownish-yellow or yellowish-grey powder.ChEBI: A monohydroxyquinoline that is quinolin-8-ol in which the hydrogens at positions 5 and 7 are replaced by chlorine and iodine, respectively. It has antibacterial and atifungal properties, and is used in creams for the treatment of skin infections. It has al o been investigated as a chelator of copper and zinc ions for the possible treatment of Alzheimer's disease.Cream-colored to brownish-yellow powder. Practically odoMore

Acipimox

CAS No: 51037-30-0

Formula: C6H6N2O3

Categories: Active Pharmaceutical Ingredients > Circulatory System Drugs

Acipimox is a niacin derivative used as a hypolipidemic agent.Target: Acipimox is a niacin derivative used as a hypolipidemic agent. It is used in low doses and may have less marked adverse effects, although it is unclear whether the recommended dose is as effective as are standard doses of nicotinic acid. Acipimox inhibits the production of triglycerides by the liver and the secretion of VLDL, which leads indirectly to a modest reduction in LDL and increase in HDL. Long-term administratMore

1123 Active Pharmaceutical Ingredients Suppliers

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Cytarabine hydrochloride

CAS No: 69-74-9

Formula: C9H13N3O5.ClH

Categories: Active Pharmaceutical Ingredients > Antineoplastic Agents

Cytarabine hydrochloride is an antimetabolic agent and DNA synthesis inhibitor with IC50 of 16 nM. More

Pelitinib

CAS No: 326894-84-2

Formula: C24H23ClFN5O2

Categories: Active Pharmaceutical Ingredients > Antineoplastic Agents

Mafenide acetate

CAS No: 13009-99-9

Formula: C7H10N2O2S.C2H4O2

Categories: Active Pharmaceutical Ingredients > Synthetic Anti-infective Drugs

Crystalline Solid4-(Aminomethyl)benzenesulfonamide acetate (Sulfamylon)is a homologue of the sulfanilamide molecule. It is not atrue sulfanilamide-type compound, as it is not inhibited byPABA. Its antibacterial action involves a mechanism thatdiffers from that of true sulfanilamide-type compounds. This compound is particularly effective against Clostridiumwelchii in topical application and was used duringWorld War II by the German army for prophylaxis ofwounds. It is not effective orally. More

Cefeprime dihydrochloride

CAS No: 107648-80-6

Formula: C19H25ClN6O5S2

Categories: Active Pharmaceutical Ingredients > Antibiotics

Used to treat a variety of bacterial infections including severe infectionsMore

Picoxystrobin

CAS No: 117428-22-5

Formula: C18H16F3NO4

Categories: Active Pharmaceutical Ingredients > Antibiotics

ChEBI: An enoate ester that is the methyl ester of (2E)-3-methoxy-2-[2-({[6-(trifluoromethyl)pyridin-2-yl]oxy}methyl)phenyl]prop-2-enoic acid. A cereal fungicide used to control a wide range of diseases including brown rust, tan spot, powdery mi dew and net blotch.Picoxystrobin, as a kind of Strobilurin analogues, is a kind of fungicide. It can be used for control of many kinds of fungal diseases such as yellow, brown, crown rusts, powdery mildew, and sooty mold, net and leaf blotch as well aMore

Hematoporphyrin

CAS No: 14459-29-1

Formula: C34H38N4O6

Categories: Active Pharmaceutical Ingredients > Pigment

ChEBI: A dicarboxylic acid that is protoporphyrin in which the vinyl groups at positions 7 and 12 are replaced by 1-hydroxyethyl groups.More

Cyclopentylamine

CAS No: 1003-03-8

Formula: C5H11N

Categories: Active Pharmaceutical Ingredients > Antiparasitic Drugs

clear liquidMore

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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