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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 382 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.
4835 Active Pharmaceutical Ingredients items

Vidarabine

CAS No: 5536-17-4

Formula: C10H13N5O4

Categories: Active Pharmaceutical Ingredients > Synthetic Anti-infective Drugs

Vidarabine is an antiviral drug which is active against herpes simplex and varicella zoster viruses.Target: DNA/RNA SynthesisVidarabine is a nucleoside antibiotic isolated from Streptomyces antibioticus. It has some antineoplastic properties and has broad spectrum activity against DNA viruses in cell cultures and significant antiviral activity against infections caused by a variety of viruses such as the herpes viruses, the vaccinia VIRUS and varicella zoster virus [1]. More

Sodium thiosulfate pentahydrate

CAS No: 10102-17-7

Formula: H2O3S2.5H2O.2Na

Categories: Active Pharmaceutical Ingredients > Reducing

translucent crystals or white powder Sodium thiosulfate occurs as odorless and colorless crystals, acrystalline powder or granules. It is efflorescent in dry air anddeliquescent in moist air.More

Cyclopropaneacetic acid, 1-[[[(1R)-1-[3-[(1E)-2-(7-chloro-2-quinolinyl)ethenyl]phenyl]-3-[2-(1-hydroxy-1-methylethyl)phenyl]propyl]thio]methyl]-, sodium salt (1:1)

CAS No: 151767-02-1

Formula: C35H36ClNO3S.Na

Categories: Active Pharmaceutical Ingredients > Respiratory Drugs

White or almost white, hygroscopic powder.Montelukast was launched as Singulair in Mexico and Finland for the management of mild to moderate asthma inadequately controlled by inhaled corticosteroids and short-acting beta2-agonists. Montelukast can be obtained by an seven-step synthesis from 3-[2(E)-(7-chloroquinolin-2-yl)vinyl] benzaldehyde. Montelukast is a potent, selective and orally active antagonist of the CysLT1 (formerly called LTD4) Montelukast has been studied extensively in placMore

benazepril hydrochloride

CAS No: 215447-90-8

Formula: C24H28N2O5 HCl

Categories: Active Pharmaceutical Ingredients > Circulatory System Drugs

  • buy 2-[(3R)-3-[[(2S)-1-ethoxy-1-oxo-4-phenylbutan-2-yl]amino]-2-oxo-4,5-dihydro-3H-1-benzazepin-1-yl]acetic acid,hydrochloride

    2-[(3R)-3-[[(2S)-1-ethoxy-1-oxo-4-phenylbutan-2-yl]amino]-2-oxo-4,5-dihydro-3H-1-benzazepin-1-yl]acetic acid,hydrochloride

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Itopride

CAS No: 122898-67-3

Formula: C20H26N2O4

Categories: Active Pharmaceutical Ingredients > Digestive System Drugs

dyspepsia therapyMore

Quinine hydrochloride dihydrate

CAS No: 6119-47-7

Formula: C20H24N2O2.ClH.2H2O

Categories: Active Pharmaceutical Ingredients > Antibiotics

Quinine Hydrochloride Dihydrate is a natural white crystalline alkaloid having antipyretic (fever-reducing), antimalarial, analgesic (painkilling), anti-inflammatory properties and a bitter taste.Target: AntiparasiticQuinine is a natural white crystalline alkaloid having antipyretic (fever-reducing), antimalarial, analgesic (painkilling), and anti-inflammatory properties and a bitter taste. It is a stereoisomer of quinidine, which, unlike quinine, is an antiarrhythmic. Quinine contains tMore

Mitoxantrone hydrochloride

CAS No: 70476-82-3

Formula: C22H28N4O6.2ClH

Categories: Active Pharmaceutical Ingredients > Antineoplastic Agents

Mitoxantrone dihydrochloride is a topoisomerase II inhibitor; also inhibits protein kinase C (PKC) activity with an IC50 of 8.5 μM. More

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ABACAVIR SULFATE

CAS No: 136777-48-5

Formula: C28H38N12O6S

Categories: Active Pharmaceutical Ingredients > Synthetic Anti-infective Drugs

Anti-AIDS adjuvant drugsMore

Abacavir sulfate

CAS No: 188062-50-2

Formula: C14H18N6O.1/2H2O4S

Categories: Active Pharmaceutical Ingredients > Saccharides

White SolidChEBI: An azaheterocycle sulfate salt that is the sulfate salt of the HIV-1 reverse transcriptase inhibitor abacavir.Abacavir sulfate was first launched as Ziagen in the US for the treatment of human immunodeficiency virus (HIV) infection, in combination with other antiretroviral drugs. Abacavir is a carbocyclic nucleoside reverse transcriptase inhibitor (nRTI); it is one of the most potent anti-HIV agents to date. The compound can be prepared by an enantioselective synthesis invMore

Trazodone hydrochloride

CAS No: 25332-39-2

Formula: C19H22ClN5O.ClH

Categories: Active Pharmaceutical Ingredients > Nervous System Drugs

Trazodone HCl is an antidepressant belonging to the class of serotonin receptor antagonists and reuptake inhibitors for treatment of anxiety disorders.Target: 5-HT ReceptorTrazodone is a triazolopyridine derivative, chemically and pharmacologically unrelated to other currently available antidepressants. Trazodone has been successfully used in a small number of patients with depression and pre-existing cardiovascular disease. trazodone has also been used as a hypnotic for psychotropic-indMore

3,4-Dichlorophenylboronic acid

CAS No: 151169-75-4

Formula: C6H5BCl2O2

Categories: Active Pharmaceutical Ingredients > Feed Additive

white to off-white powderMore

Ancitabine hydrochloride

CAS No: 10212-25-6

Formula: C9H11N3O4.ClH

Categories: Active Pharmaceutical Ingredients > Antineoplastic Agents

white fine crystalline powderChEBI: A hydrochloride salt resulting from the reaction of equimolar amounts of ancitabine and hydrogen chloride.More

Flavoxate hydrochloride

CAS No: 3717-88-2

Formula: C24H25NO4.ClH

Categories: Active Pharmaceutical Ingredients > Urinary System Drugs

Flavoxate Hydrochloride(DW-61 Hydrochloride) is a muscarinic AChR antagonist used in various urinary syndromes and as an antispasmodic.Target: mAChRFlavoxate displaces [3H]nitrendipine on the Ca2+ channels binding sites with IC50 of 254 μM [1]. Flavoxate (>10 μM) suppresses carbachol-induced contractions in isolated rat detrusor strips with pD value of 4.55. Flavoxate (>10 μM) suppresses Ca2+-induced contractions in isolated rat detrusor strips with pIC50 value of 4.92 [2]. Flavoxate (0.More

Butoconazole nitrate

CAS No: 64872-77-1

Formula: C19H17Cl3N2S.HNO3

Categories: Active Pharmaceutical Ingredients > Synthetic Anti-infective Drugs

Butoconazole nitrate is an anti-fungal agent.Target: Antifungalbutoconazole 1-BSR is an effective and safe alternative to longer-term therapy with miconazole nitrate (seven days) for vulvovaginal candidiasis [1]. A sustained-release (SR) bioadhesive vaginal cream (2% butoconazole nitrate) has incorporated VagiSite technology, a topical drug delivery system that allows SR of the drug [2]. More

Propafenone

CAS No: 54063-53-5

Formula: C21H27NO3

Categories: Active Pharmaceutical Ingredients > Circulatory System Drugs

ChEBI: An aromatic ketone that is 3-(propylamino)propane-1,2-diol in which the hydrogen of the primary hydroxy group is replaced by a 2-(3-phenylpropanoyl)phenyl group. It is a class 1C antiarrhythmic drug with local anesthetic effects, and is used as the hydroch oride salt in the management of supraventricular and ventricular arrhythmias.More

Sodium lactate

CAS No: 72-17-3

Formula: C3H6O3.Na

Categories: Active Pharmaceutical Ingredients > Keratolytic

colourless liquid Sodium lactate occurs as a clear, colorless, slightly syrupy liquid. Itis odorless, or has a slight odor with a characteristic saline taste. It ishygroscopic.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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