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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

Gemfibrozil

CAS No: 25812-30-0

Formula: C15H22O3

Categories: Active Pharmaceutical Ingredients > Inhibitor Drugs

Gemfibrozil is an activator of PPAR-α, used as a lipid-lowering drug; Gemfibrozil is also a nonselective inhibitor of several P450 isoforms, with Ki values for CYP2C9, 2C19, 2C8, and 1A2 of 5.8, 24, 69, and 82 μM, respectively. More

Oseltamivir

CAS No: 196618-13-0

Formula: C16H28N2O4

Categories: Active Pharmaceutical Ingredients > Synthetic Anti-infective Drugs

ChEBI: A cyclohexenecarboxylate ester that is the ethyl ester of oseltamivir acid. An antiviral prodrug (it is hydrolysed to the active free carboxylic acid in the liver), it is used to slow the spread of influenza.Oseltamivir is a drug that suppresses the action of influenza A, influenza B, and H1N1 influenza viruses in children and adults. Oseltamivir is administered for the treatment of influenza (flu) for people who are above the age of 2 weeks and have been experiencing flu-like symptoms fMore

Calcipotriol

CAS No: 112965-21-6

Formula: C27H40O3

Categories: Active Pharmaceutical Ingredients > Specialty Drugs

White Crystalline SolidCalcipotriol is a topical vitaminD3 derivative effective in the treatment of psoriasis vulgaris. The drug acts by binding to vitamin D3 receptors in the skin keratinocytes, producing an elevation in cell differentiation and a reduction in cell proliferation. Although its efficacy is comparable to calcitriol, calcipotriol exhibits at least 100 times less effect on calcium metabolism in rats.More

Megestrol

CAS No: 3562-63-8

Formula: C22H30O3

Categories: Active Pharmaceutical Ingredients > Hormones and the Endocrine System

Megestrol is a synthetic progestin and used for the treatment of anorexia, cachexia, or an unexplained significant weight loss in patients with an acquired immunodeficiency syndrome diagnosis[1]. More

Pyrrole-3-carboxylic acid

CAS No: 931-03-3

Formula: C5H5NO2

Categories: Active Pharmaceutical Ingredients > Other Chemical Drugs

white to light yellow crystal powdeMore

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Pyridoxal 5′-phosphate

CAS No: 54-47-7

Formula: C8H10NO6P

Categories: Active Pharmaceutical Ingredients > Skin Conditioning

Pyridoxal phosphate is the active form of vitamin B6, acts as an inhibitor of reverse transcriptases, and is used for the treatment of tardive dyskinesia. More

Amprolium hydrochloride

CAS No: 137-88-2

Formula: C14H19N4.ClH.Cl

Categories: Active Pharmaceutical Ingredients > Antiparasitic Drugs

Amprolium hydrochloride is a coccidiostat used in poultry, is a thiamine analogue and blocks the thiamine transporter of Eimeria species by blocking thiamine uptake it prevents carbohydrate synthesis. More

1,1,1,2-Tetrafluoroethane

CAS No: 811-97-2

Formula:

Categories: Active Pharmaceutical Ingredients > Propellant

colourless gas or cryogenic liquid with an ether-like odour Tetrafluoroethane is a liquefied gas and exists as a liquid at room temperature when contained under its own vapor pressure, or as a gas when exposed to room temperature and atmospheric pressure. The liquid is practically odorless and colorless. The gas in high concentrations has a slight etherlike odor. Tetrafluoroethane is noncorrosive, nonirritating, and nonflammable.More

7-Ethyl-10-hydroxycamptothecin

CAS No: 86639-52-3

Formula: C22H20N2O5

Categories: Active Pharmaceutical Ingredients > Antineoplastic Agents

SN-38 is an active metabolite of the Topoisomerase I inhibitor Irinotecan. SN-38 inhibits DNA and RNA synthesis with IC50s of 0.077 and 1.3 μM, respectively. More

Vitamin K1

CAS No: 84-80-0

Formula: C31H46O2

Categories: Active Pharmaceutical Ingredients > Skin Conditioning

It appears as yellow to orange transparent viscous liquid and is odorless with the relative density being 0.967 and the refractive index being nD251.525~1.528. It is easily soluble in chloroform, ether and vegetable oil, slightly soluble in ethanol and insoluble in water. It is easily to be decomposed when exposed to light and with being decomposed upon being heated to 120 ℃. Yellow Oil Phylloquinone is an odorless yellow viscous oil or crystals.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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