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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 744 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.
4851 Active Pharmaceutical Ingredients items

Tazarotene

CAS No: 118292-40-3

Formula: C21H21NO2S

Categories: Active Pharmaceutical Ingredients > Skin Conditioning

It is as white-like or pale yellow solid. White SolidChEBI: The ethyl ester of tazarotenic acid. A prodrug for tazarotenic acid, it is used for the treatment of psoriasis, acne, and sun-damaged skin.Tazarotene belongs to a third generation prescription topical retinoid. It is marketed in different forms including cream (brand name: Avage), foam (brand name: Fabuir) and gel (brand name: Tazorac). It is mainly used for the treatment of psoriasis, acne, and sun damaged skin. The detailed mechMore

Hydralazine

CAS No: 86-54-4

Formula: C8H8N4

Categories: Active Pharmaceutical Ingredients > Circulatory System Drugs

Yiellow SolidMore

Sertaconazole nitrate

CAS No: 99592-39-9

Formula: C20H15Cl3N2OS.HNO3

Categories: Active Pharmaceutical Ingredients > Synthetic Anti-infective Drugs

Sertaconazole nitrate is a topical broad-spectrum antifungal that is developed to provide an additional agent for the treatment of superficial cutaneous and mucosal infections.Target: AntifungalSertaconazole nitrate reduces the release of cytokines from activated lymphocytes and mitigated inflammation in animal models of irritant contact dermatitis and neurogenic inflammation in a dose-dependent fashion. Sertaconazole nitrate is found to inhibit the proliferation of stimulated human lympMore

Indinavir

CAS No: 150378-17-9

Formula: C36H47N5O4

Categories: Active Pharmaceutical Ingredients > Synthetic Anti-infective Drugs

Crixivan was launched in Australia, Switzerland, the UK and the US as an orally-bioavailable HIV-1 protease inhibitor. The compound can be prepared by coupling an optically active piperazine derivative with an epoxide derivative (now commercially available). The synthesis of the proteins, reverse transcriptase, integrase, structural proteins and a protease, required by the virus to complete its lifecycle, can be interupted if the protease enzyme is not capable of cleaving a proform polypeMore

Pizotifen

CAS No: 15574-96-6

Formula: C19H21NS

Categories: Active Pharmaceutical Ingredients > Antipyretic Analgesics

White to Off-White SolidChEBI: A benzocycloheptathiophene that is 9,10-dihydro-4H-benzo[4,5]cyclohepta[1,2-b]thiophene 4-ylidene)-1-methylpiperidine which is joined from the 4 position to the 4 position of an N-methylpiperidine moiety b a double bond. It is a sedating antihistamine, with strong serotonin antagonist and weak antimuscarinic activity. It is generally used as the malate salt for the treatment of migraine and the prevention of headache attacks during cluster periods.Pizotyline isMore

Cidofovir

CAS No: 113852-37-2

Formula: C8H14N3O6P

Categories: Active Pharmaceutical Ingredients > Phosphines

Cidofovir launched as a first-line treatment for CMV retinitis in AIDS patients. It is a nucleotide analog with potent activity against a broad spectrum of DNA viruses, e.g., HSVl, HSV2, CMV, adenovirus and papillomavirus. Cidofovir can be synthesized by a number of methods, the most efficient involves ring openning of (R)-glycidol with cytosine. Metabolically, cidofovir does not require intracellular activation by virally-encoded enzymes like similar compounds, e.g., aciclovir or ganciclMore

Guaiazulene

CAS No: 489-84-9

Formula: C15H18

Categories: Active Pharmaceutical Ingredients > Perfuming

Guaiazulene is present in several essential oils of medicinal and aromatic plants, with antioxidant activity. Guaiazulene has in vitro cytotoxic activity against neuron and N2a neuroblastom (N2a-NB) cells[1][2]. More

Sodium carboxymethyl starch

CAS No: 9063-38-1

Formula: C2H4O3.xNa.xUnspecified

Categories: Active Pharmaceutical Ingredients > Film Forming

White or almost white, fine, free-flowing powder, very hygroscopic. Sodium starch glycolate is a white or almost white free-flowing very hygroscopic powder. The PhEur 6.0 states that when examined under a microscope it is seen to consist of: granules, irregularly shaped, ovoid or pear-shaped, 30–100 mm in size, or rounded, 10–35 mm in size; compound granules consisting of 2–4 components occur occasionally; the granules have an eccentric hilum and clearly visible concentric striations. Between cMore

1,8-Dihydroxyanthraquinone

CAS No: 117-10-2

Formula: C14H8O4

Categories: Active Pharmaceutical Ingredients > Digestive System Drugs

orange-brown or brown powder Red-orange to orange crystalline powder or reddish-brown crystalline solid.ChEBI: A dihydroxyanthraquinone that is anthracene-9,10-dione substituted by hydroxy groups at positions 1 and 8.Orange crystalline powder. Almost odorless and tasteless.More

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Pemirolast

CAS No: 69372-19-6

Formula: C10H8N6O

Categories: Active Pharmaceutical Ingredients > Antiallergic Drugs

SolidMore

Amrinone

CAS No: 60719-84-8

Formula: C10H9N3O

Categories: Active Pharmaceutical Ingredients > Amides

Crystalline SolidMore

Mitiglinide calcium dihydrate

CAS No: 207844-01-7

Formula: C38H52CaN2O8

Categories: Active Pharmaceutical Ingredients > Hormones and the Endocrine System

Mitiglinide calcium hydrate is a drug for the treatment of type 2 diabetes; it is a highly selective KATP channel antagonist. IC50 value:Target: KATP channel More

Desipramine

CAS No: 50-47-5

Formula: C18H22N2

Categories: Active Pharmaceutical Ingredients > Nervous System Drugs

ChEBI: A dibenzoazepine consisting of 10,11-dihydro-5H-dibenzo[b,f]azepine substituted on nitrogen with a 3-(methylamino)propyl group.More

Lindane

CAS No: 58-89-9

Formula: C6H6Cl6

Categories: Active Pharmaceutical Ingredients > Other Chemical Drugs

white powder Lindane is a white to yellow, crystalline powder with a slight, musty odor (pure material is odorless). BHC is a white-to-brownish crystalline solidwith a musty, phosgene-like odor.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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