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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

Tigecycline

CAS No: 220620-09-7

Formula: C29H39N5O8

Categories: Active Pharmaceutical Ingredients > Antibiotics

Tigecycline is a first-in-class, broad spectrum antibiotic with activity against antibiotic-resistant organisms.Target: AntibacterialTigecycline is active against a broad range of gram-negative and gram-positive bacterial species including clinically important multidrug-resistant nosocomial and community-acquired bacterial pathogens. Tigecycline has been shown to inhibit the translation elongation step by binding to the ribosome 30S subunit and preventing aminoacylated tRNAs to accommodaMore

Mitiglinide calcium

CAS No: 145525-41-3

Formula: C19H25NO3.1/2Ca

Categories: Active Pharmaceutical Ingredients > Hormones and the Endocrine System

Mitiglinide is the calcium salt form of Mitiglinide, which is a drug for the treatment of type II diabetes. It belongs to the meglitinide class blood glucose-lowering drug. Its mechanism of action is through stimulating the insulin secretion through closing the ATP-sensitive potassium channels in the pancreatic beta-cells. This process leads to depolarization, further stimulating the influx of calcium through the voltage-gated calcium channels. The high intracellular calcium level results in thMore

Rabeprazole

CAS No: 117976-89-3

Formula: C18H21N3O3S

Categories: Active Pharmaceutical Ingredients > Gastrointestinal Agents

Rabeprazole is an antiulcer drug in the class of proton pump inhibitors.Target: Proton PumpRabeprazole belongs to a class of antisecretory compounds (substituted benzimidazole proton-pump inhibitors) that do not exhibit anticholinergic or histamine H2-receptor antagonist properties, but suppress gastric acid secretion by inhibiting the gastric H+/K+ATPase (hydrogen-potassium adenosine triphosphatase) at the secretory surface of the gastric parietal cell. Because this enzyme is regarded aMore

Cyproheptadine

CAS No: 129-03-3

Formula: C21H21N

Categories: Active Pharmaceutical Ingredients > Other Chemical Drugs

ChEBI: The product resulting from the formal oxidative coupling of position 5 of 5H-dibenzo[a,d]cycloheptene with position 4 of 1-methylpiperidine resulting in the formation of a double bond between the two fragments. t is a sedating antihistamine with antimuscarinic and calcium-channel blocking actions. It is used (particularly as the hydrochloride sesquihydrate) for the relief of allergic conditions including rhinitis, conjunctivitis due to inhalant allergens and food , urticaria and angioMore

Rimantadine

CAS No: 13392-28-4

Formula: C12H21N

Categories: Active Pharmaceutical Ingredients > Synthetic Anti-infective Drugs

Rimantadine (Brand name: Flumadine) is a kind of RNA synthesis inhibitor that used as an orally administrated antiviral drug in the prophylaxis and for the treatment of influenza. It is capable of shortening the duration and alleviated the symptoms of influenza. However, it is now not recommended for the treatment of influenza any longer due to the emergence of resistance problem since 2009. Its mechanism of action is not fully understood. It is indicated that it take effects through inhibitingMore

Racecadotril

CAS No: 81110-73-8

Formula: C21H23NO4S

Categories: Active Pharmaceutical Ingredients > Digestive System Drugs

Racecadotril (acetorphan), a potent enkephalinase inhibitor (IC50= 4.5 uM), protects endogenous enkephalins from degradation. IC50 value: 4.5 uMTarget: EnkephalinaseRacecadotril is a peripherally acting enkephalinase inhibitor with an IC50 of 4.5 uM. Unlike other medications used to treat diarrhea, which reduce intestinal motility, Racecadotril has an antisecretory effect-it reduces the secretion of water and electrolytes into the intestine. A small randomized controlled trial found RaceMore

Primidone

CAS No: 125-33-7

Formula: C12H14N2O2

Categories: Active Pharmaceutical Ingredients > Nervous System Drugs

Crystalline SolidChEBI: A pyrimidone that is dihydropyrimidine-4,6(1H,5H)-dione substituted by an ethyl and a phenyl group at position 5. It is used as an anticonvulsant for treatment of various types of seizures.Odorless white crystalline powder. Slightly bitter taste. No acidic properties.More

Cefpirome

CAS No: 84957-29-9

Formula: C22H22N6O5S2

Categories: Active Pharmaceutical Ingredients > Antibiotics

Cephalosporin antibiotic ClaforanMore

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Naphazoline

CAS No: 835-31-4

Formula: C14H14N2

Categories: Active Pharmaceutical Ingredients > Nervous System Drugs

SolidMore

Marbofloxacin

CAS No: 115550-35-1

Formula: C17H19FN4O4

Categories: Active Pharmaceutical Ingredients > Synthetic Anti-infective Drugs

Crystalline SolidChEBI: A fluoroquinolone antibiotic that is 7-oxo-2,3-dihydro-7H-[1,3,4]oxadiazino[6,5,4-ij]quinoline substituted at positions 6, 9 and 10 by carboxy, fluoro and 4-methylpiperazin-1-yl groups, respectively. A synthetic, broad spect um bactericidal agent, it is used in veterinary medicine, although its mechanism of action is not thoroughly understood.More

Tiopronin

CAS No: 1953-02-2

Formula: C5H9NO3S

Categories: Active Pharmaceutical Ingredients > Digestive System Drugs

Tiopronin is a prescription thiol drug used to control the rate of cystine precipitation and excretion in the disease cystinuria.Target: OthersTiopronin is used primarily for cystinuria and is well known in the cystinuric community. Depending on the severity of a person's cystinuria, tiopronin may be taken for life, possibly starting in early childhood. It may also be used for Wilson's disease (an overload of copper in the body), and certain types of rare arthritis, though tiopronin is nMore

Torasemide

CAS No: 56211-40-6

Formula: C16H20N4O3S

Categories: Active Pharmaceutical Ingredients > Circulatory System Drugs

Torsemide is a pyridine-sulfonyl urea type loop diuretic.Target: OthersTorasemide is a pyridine-sulfonylurea type loop diuretic mainly used in the management of edema associated with congestive heart failure. It is also used at low doses for the management of hypertension. Torsemide significantly reduced total HF readmissions (relative risk [RR]: 0.41, 95% CI: 0.28-0.61, p < 0.0001) and HF readmissions (RR: 0.53, 95% CI: 0.33-0.84, p = 0.008) as well as CV readmissions (RR: 0.77, 95% CI:More

BEZAFIBRATE

CAS No: 63927-29-7

Formula: C19H20ClNO4

Categories: Active Pharmaceutical Ingredients > Circulatory System Drugs

Tetraethylthiuram disulfide

CAS No: 97-77-8

Formula: C10H20N2S4

Categories: Active Pharmaceutical Ingredients > Specialty Drugs

Disulfiram is a specific inhibitor of?aldehyde-dehydrogenase (ALDH1), used for the treatment of chronic alcoholism by producing an acute sensitivity to alcohol. 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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