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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 392 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.
4848 Active Pharmaceutical Ingredients items

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

Zinc undecylenate

CAS No: 557-08-4

Formula: C11H20O2.1/2Zn

Categories: Active Pharmaceutical Ingredients > Opacifying

10-Undecenoic acid zinc salt is a natural or synthetic fungistatic fatty acid, is used topically in creams against fungal infections, eczemas, ringworm, and other cutaneous conditions. The zinc provides an astringent action. More

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

Swertiamarin

CAS No: 17388-39-5

Formula: C16H22O10

Categories: Active Pharmaceutical Ingredients > Digestive System Drugs

Swertiamarin, a secoiridoid glycoside found in genera of Enicostemma Species, confers anti-hyperglycemic and anti-hyperlipidemic effects[1]. More

Isoconazole nitrate

CAS No: 24168-96-5

Formula: C18H14Cl4N2O.HNO3

Categories: Active Pharmaceutical Ingredients > Antibiotics

Isoconazole nitrate is a broad-spectrum antimicrobial agent with a highly effective antimycotic and gram-positive antibacterial activity, a rapid rate of absorption and low systemic exposure potential. Isoconazole nitrate is effective against pathogens involved in dermatomycoses, with minimum inhibitory concentrations well below the concentration of ISN in skin and hair follicles. More

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

1137 Active Pharmaceutical Ingredients Suppliers

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4-Ethyl-4,9-dihydroxy-1H-pyrano[3′,4′:6,7]indolizino[1,2-b]quinoline-3,14(4H,12H)-dione

CAS No: 64439-81-2

Formula: C20H16N2O5

Categories: Active Pharmaceutical Ingredients > Antineoplastic Agents

(±)-10-Hydroxycamptothecin, an indole alkaloid isolated from Camptotheca acuminate, inhibits the activity of topoisomerase I and has a broad spectrum of anticancer activity. More

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

2-Methyl-1,4-naphthalenediol

CAS No: 481-85-6

Formula: C11H10O2

Categories: Active Pharmaceutical Ingredients > Vitamins and Minerals Medicines

ChEBI: A naphthalene-1,4-diol having a methyl substituent at the 2-position.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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