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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

Moxidectin

CAS No: 113507-06-5

Formula: C37H53NO8

Categories: Active Pharmaceutical Ingredients > Antiparasitic Drugs

Moxidectin(ProHeart 6; CL301423; Cydectin) is an anthelmintic drug which kills parasitic worms (helminths), and is used for the prevention and control of heartworm and intestinal worms.IC50 value:Target: Anti-parasiticMoxidectin is a semisynthetic derivative of nemadectin, which is produced by fermentation by Streptomyces cyano-griseus. Moxidectin treats and controls some of the most common internal and external parasites by selectively binding to a parasite's glutamate-gated chloride ioMore

Travoprost

CAS No: 157283-68-6

Formula: C26H35F3O6

Categories: Active Pharmaceutical Ingredients > Hormones and the Endocrine System

Colorless OilChEBI: The isopropyl ester of prostaglandin F2alpha in which the pentyl group is replaced by a 3-(trifluoromethyl)phenoxymethyl group. A synthetic analogue of prostaglandin F2alpha, ophth lmic solutions of travoprost are used as a topical medication for controlling the progression of open-angle glaucoma and ocular hypertension, by reducing intraocular pressure. It is a pro-drug; the isopropyl ester group is hydrolysed by esterases in the co nea to the biologically active free aciMore

Pefloxacin

CAS No: 70458-92-3

Formula: C17H20FN3O3

Categories: Active Pharmaceutical Ingredients > Inhibitor Drugs

ChEBI: A quinolone that is 4-oxo-1,4-dihydroquinoline which is substituted at positions 1, 3, 6 and 7 by ethyl, carboxy, fluorine, and 4-methylpiperazin-1-yl groups, respectively.More

Quinapril

CAS No: 85441-61-8

Formula: C25H30N2O5

Categories: Active Pharmaceutical Ingredients > Circulatory System Drugs

SolidMore

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

Epirubicin hydrochloride

CAS No: 56390-09-1

Formula: C27H29NO11.ClH

Categories: Active Pharmaceutical Ingredients > Antineoplastic Agents

Epirubicin (hydrochloride) is a semisynthetic L-arabino derivative of doxorubicin, and an antineoplastic agent by inhibiting Topoisomerase. More

Phenyl salicylate

CAS No: 118-55-8

Formula: C13H10O3

Categories: Active Pharmaceutical Ingredients > Perfuming

white crystalline solid with an aromatic odour Phenyl salicylate has a distinctive aromatic odor and taste.ChEBI: A benzoate ester that is the phenyl ester of salicylic acid. Also known as salol, it can be formed by heating salicylic acid with phenol and is used in the manufacture of some polymers, lacquers, adhesives, waxes and polishes.Phenyl salicylate (chemical formula: C13H10O3) belongs to the family of hydroxybenzoic acid which are compound containing a hydroxybenzoic acid or its deriMore

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Corticotropin

CAS No: 9002-60-2

Formula:

Categories: Active Pharmaceutical Ingredients > Hormones and the Endocrine System

ChEBI: A polypeptide hormone produced and secreted by the pituitary gland comprising 39 amino acid residues coupled in a linear sequence. The N-terminal 24-amino acid segment is identical in all species and contains the adrenocorticotrophic act vity. Corticotropin stimulates the cortex of the adrenal gland and boosts the synthesis of corticosteroids, mainly glucocorticoids but also sex steroids (androgens). It is used in the treatment of certain neurological disorders such as infantile spasms More

Galactitol

CAS No: 608-66-2

Formula: C6H14O6

Categories: Active Pharmaceutical Ingredients > Antipyretic Analgesics

Dulcite is a sugar alcohol with a slightly sweet taste which is a metabolic breakdown product of galactose. More

Verapamil

CAS No: 52-53-9

Formula: C27H38N2O4

Categories: Active Pharmaceutical Ingredients > Amides

ChEBI: A tertiary amino compound that is 3,4-dimethoxyphenylethylamine in which the hydrogens attached to the nitrogen are replaced by a methyl group and a 4-cyano-4-(3,4-dimethoxyphenyl)-5-methylhexyl group.More

Mepivacaine

CAS No: 22801-44-1

Formula: C15H22N2O

Categories: Active Pharmaceutical Ingredients > Anesthetic Agents

SolidMore

(+)-Ethambutol

CAS No: 74-55-5

Formula: C10H24N2O2

Categories: Active Pharmaceutical Ingredients > Amides

Ethambutol is a bacteriostatic antimycobacterial agent, which obstructs the formation of cell wall by inhibiting arabinosyl transferases.Target: AntibacterialEthambutol directly affects two polymers, arabinogalactan (AG) and lipoarabinomannan (LAM) in Mycobacterium smegmatis. In M. smegmatis, Ethambutol inhibits synthesis of arabinan completely and inhibits AG synthesis most likely as a consequence of this; more than 50% of the cell arabinan is released from the bacteria following EthambMore

Apramycin

CAS No: 37321-09-8

Formula: C21H41N5O11

Categories: Active Pharmaceutical Ingredients > Antibiotics

Apramycin(Nebramycin II) is an aminoglycoside antibiotic used in veterinary medicine. IC50 value:Target: Apramycin stands out among aminoglycosides for its mechanism of action which is based on blocking translocation and its ability to bind also to the eukaryotic decoding site despite differences in key residues required for apramycin recognition by the bacterial target. The drug binds in the deep groove of the RNA which forms a continuously stacked helix comprising non-canonical C.A andMore

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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