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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 376 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

Eribulin

CAS No: 253128-41-5

Formula: C40H59NO11

Categories: Active Pharmaceutical Ingredients > Other Chemical Drugs

Eribulin (E7389; ER-086526), a synthetic analogue of halichondrin B in phase III clinical trials for breast cancer, binds to tubulin and microtubules.Target: Microtubule/TubulinEribulin suppressed centromere dynamics at concentrations that arrest mitosis. At 60 nmol/L eribulin (2 x mitotic IC(50)), the relaxation rate was suppressed 21%, the time spent paused increased 67%, and dynamicity decreased 35% (but without reduction in mean centromere separation), indicating that eribulin decreaMore

Tosufloxacin

CAS No: 108138-46-1

Formula: C19H15F3N4O3

Categories: Active Pharmaceutical Ingredients > Synthetic Anti-infective Drugs

It is active against a wide range of Gram-positive and Gram-negative bacteria, including Acinetobacter spp., L. pneumophila and Campylobacter spp. Unlike many quinolones it is moderately active against L. monocytogenes. C. trachomatis is also moderately susceptible. It is active against some anaerobes, including the B. fragilis group. Activity against Mycobacterium spp. is limited. It is well absorbed by the oral route, achieving a plasma concentration of c. 1 mg/L 4 h after a 300 mg dose. ArouMore

Antazoline

CAS No: 91-75-8

Formula: C17H19N3

Categories: Active Pharmaceutical Ingredients > Circulatory System Drugs

White, odorless crystalline powder with bitter taste. Sparingly soluble in alcohol and water; practically insoluble in benzene and ether.More

Capreomycin

CAS No: 11003-38-6

Categories: Active Pharmaceutical Ingredients > Antibiotics

Capreomycin is a kind of antibiotics for the treatment of tuberculosis. It should be noted that it is for second line treatment, being used for targeting active drug resistant tuberculosis. It is mainly used for the treatment of mycobacterium tuberculosis. It is a cyclic peptide antibiotic similar to viomycin, being produced by Streptomyces capreolus. It belongs to the aminoglycoside family of antibiotics. The exact mechanism of action of capreomycin is largely unknown. It is indicated that itMore

Propafenone Hydrochloride

CAS No: 34183-22-7

Formula: C21H28ClNO3

Categories: Active Pharmaceutical Ingredients > Circulatory System Drugs

Propafenone Hydrochloride is a class of anti-arrhythmic medication, which treats illnesses associated with rapid heart beats such as atrial and ventricular arrhythmias.Target: Sodium ChannelPropafenone Hydrochloride is a classic anti-arrhythmic medication, which treats illnesses associated with rapid heartbeats such as atrial and ventricular arrhythmias. According to the Allergic Rhinitis and its Impact on Asthma (ARIA) treatment guidelines, intranasal anti-histamines are recommended forMore

1119 Active Pharmaceutical Ingredients Suppliers

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Mafenide

CAS No: 138-39-6

Formula: C7H10N2O2S

Categories: Active Pharmaceutical Ingredients > Synthetic Anti-infective Drugs

Mafenide is a sulfonamide-type medication.Target: AntibacterialMafenide is a sulfonamide-type medication. Mafenide works by reducing the bacterial population present in the avascular tissues of burns and permits spontaneous healing of deep partial-thickness burns. It is used to treat severe burns. It is used topically as an adjunctive therapy for second- and third-degree burns. It is bacteriostatic against many gram-positive and gram-negative organisms, including Pseudomonas aeruginosa.More

Indirubin

CAS No: 479-41-4

Formula: C16H10N2O2

Categories: Active Pharmaceutical Ingredients > Skin Humectant

Indirubin(Couroupitine B) is a purple 3,2- bisindole and a stable isomer of indigo isolated from Indigo naturalis (Apiaceae); anti-inflammatory and anticancer activities.IC50 value:Target:in vitro: The activation of EGF receptor, known to be highly expressed in psoriatic lesions, was inhibited by indigo naturalis or indirubin. The cell proliferation and CDC25B expression of epidermal keratinocytes were induced by EGF alone and confirmed to be inhibited by indigo naturalis or indirubin [2More

Carbetapentane

CAS No: 77-23-6

Formula: C20H31NO3

Categories: Active Pharmaceutical Ingredients > Respiratory Drugs

It is a non-narcotic central antitussive. This product and pentovirine citrate, also known as cough biqing. This is a non-addictive antitussive drug. The antitussive effect is inferior to codeine. Duohe is used to treat acute, mild cough and whooping cough caused by upper respiratory tract infection, which can reduce bronchial secretion. The product has low toxicity.More

Zofenopril

CAS No: 81872-10-8

Formula: C22H23NO4S2

Categories: Active Pharmaceutical Ingredients > Circulatory System Drugs

Zofenopril is an angiotensin-converting enzyme (ACE) inhibitor with an IC50 of 81 μM. More

Cefcapene pivoxil

CAS No: 105889-45-0

Formula: C23H29N5O8S2

Categories: Active Pharmaceutical Ingredients > Antibiotics

Off-White SolidFlomox was launched in Japan as an orally active cephalosporin for respiratory and urinary tract infections, heptatic infections, ophthalmological and otorhinolarynological infections, skinkoft tissue infections, and for use in gynacology, dentistry and oral surgery. It can be prepared by condesation of 2(Z)-(2-(t-butoxycarbonylamino) thiazol-4-yl)-2-pentenoic acid with 7-amino-3-(carbanoyloxymethyl)- 3-cephem-4-carboxylic acid pivaloyl methyl ester followed by deprotection.More

Cefpiramide

CAS No: 70797-11-4

Formula: C25H24N8O7S2

Categories: Active Pharmaceutical Ingredients > Antibiotics

ChEBI: A third-generation cephalosporin antibiotic with [(1-methyl-1H-tetrazol-5-yl)sulfanyl]methyl and (R)-2-{[(4-hydroxy-6-methylpyridin-3-yl)carbonyl]amino}-2-(4-hydroxyphenyl)acetamido groups at positions 3 and 7, respectiv ly, of the cephem skeleton. It has a broad spectrum of antibacterial activity.More

(R)-7-(3-Aminohexahydro-1H-azepin-1-yl)-8-chloro-1-cyclopropyl-6-fluoro-1,4-dihydro-4-oxo-3-quinolinecarboxylic acid

CAS No: 141388-76-3

Formula: C19H21ClFN3O3

Categories: Active Pharmaceutical Ingredients > Synthetic Anti-infective Drugs

Yellow to slightly yellow crystalline powderMore

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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