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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

Meclizine

CAS No: 569-65-3

Formula: C25H27ClN2

Categories: Active Pharmaceutical Ingredients > Antiallergic Drugs

SolidMore

(±)-Homatropine

CAS No: 87-00-3

Formula: C16H21NO3

Categories: Active Pharmaceutical Ingredients > Nervous System Drugs

White crystals.Slightly soluble in water.More

Tranilast

CAS No: 53902-12-8

Formula: C18H17NO5

Categories: Active Pharmaceutical Ingredients > Antiallergic Drugs

Tranilast is an antiallergic agent.Target: Angiotensin ReceptorTranilast has been approved in Japan and South Korea, since 1982, for the treatment of bronchial asthma, with indications for keloids and hypertrophic scar added in 1993. Tranilast is also used to treat asthma, autoimmune diseases, atopic and fibrotic pathologies, and can also inhibit angiogenesis. The antiproliferative properties of tranilast were found that tranilast elicited an inhibitory effect on fibroblast proliferationMore

Hydroquinidine

CAS No: 1435-55-8

Formula: C20H26N2O2

Categories: Active Pharmaceutical Ingredients > Circulatory System Drugs

SolidMore

Acepromazine

CAS No: 61-00-7

Formula: C19H22N2OS

Categories: Active Pharmaceutical Ingredients > Nervous System Drugs

SolidMore

Atorvastatin lactone

CAS No: 125995-03-1

Formula: C33H33FN2O4

Categories: Active Pharmaceutical Ingredients > Antineoplastic Agents

Slightly Yellow SolidMore

Midodrine

CAS No: 42794-76-3

Formula: C12H18N2O4

Categories: Active Pharmaceutical Ingredients > Amides

Midodrine is an α1-receptor agonist, for the treatment of dysautonomia and orthostatic hypotension. More

Maprotiline

CAS No: 10262-69-8

Formula: C20H23N

Categories: Active Pharmaceutical Ingredients > Nervous System Drugs

SolidMore

1122 Active Pharmaceutical Ingredients Suppliers

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2-(Trifluoromethyl)oxirane

CAS No: 359-41-1

Formula: C3H3F3O

Categories: Active Pharmaceutical Ingredients > Other Chemical Drugs

Enalaprilat

CAS No: 76420-72-9

Formula: C18H24N2O5

Categories: Active Pharmaceutical Ingredients > Circulatory System Drugs

White Crystalline SolidMore

Pentaerythritol, tetranitrate

CAS No: 78-11-5

Formula: C5H8N4O12

Categories: Active Pharmaceutical Ingredients > Circulatory System Drugs

white crystalline powder Pentaerythrite tetranitrate (PETN) is a high explosive, especially when dry. PETN is a sand-like, white crystalline solid. Piratically odorless.More
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Gestonorone

CAS No: 2137-18-0

Formula: C20H28O3

Categories: Active Pharmaceutical Ingredients > Hormones and the Endocrine System

Mezlocillin

CAS No: 51481-65-3

Formula: C21H25N5O8S2

Categories: Active Pharmaceutical Ingredients > Antibiotics

ChEBI: A penicillin in which the substituent at position 6 of the penam ring is a (2R)-2-[3-(methanesulfonyl)-2-oxoimidazolidine-1-carboxamido]-2-phenylacetamido group.More

1,4-Dichlorophthalazine

CAS No: 4752-10-7

Formula: C8H4Cl2N2

Categories: Active Pharmaceutical Ingredients > Drug Metabolism

1,4-Dichlorophthalazine Oftens used building block in medicinal chemistry synthesis.1,2 More

Temocapril

CAS No: 111902-57-9

Formula: C23H28N2O5S2

Categories: Active Pharmaceutical Ingredients > Circulatory System Drugs

Crystalline PowderMore

Mizoribine

CAS No: 50924-49-7

Formula: C9H13N3O6

Categories: Active Pharmaceutical Ingredients > Drugs Influencing Immune Function

Mizoribine(NSC 289637; HE 69; β-Bredinin) is an immunosuppressive agents (IC50=100 uM) that inhibit the proliferation of lymphocytes selectively, via inhibition of IMPDH.IC50 Value:Target: IMPDHin vitro: Unlike azathioprine, Mizoribine is not taken up by nucleic acids in the cell. Instead, after phosphorylation MZR-5 -monophosphate inhibits GMP synthesis by the antagonistic blocking of IMPDH (Ki = 10(-8)M) and GMP- synthetase (Ki =10(-5) M) [1]. Pretreatment of cells with MZR partially,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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