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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 745 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.
4847 Active Pharmaceutical Ingredients items

Thioridazine

CAS No: 50-52-2

Formula: C21H26N2S2

Categories: Active Pharmaceutical Ingredients > Nervous System Drugs

Colorless crystals. Soluble in water and alcohol.More

Nelfinavir

CAS No: 159989-64-7

Formula: C32H45N3O4S

Categories: Active Pharmaceutical Ingredients > Synthetic Anti-infective Drugs

ChEBI: An aryl sulfide that is used (as its mesylate salt) for treatment of HIV and also exhibits some anticancer properties.More

Cefadroxil monohydrate

CAS No: 66592-87-8

Formula: C16H17N3O5S.H2O

Categories: Active Pharmaceutical Ingredients > Antibiotics

Cefadroxil hydrate (BL-S 578 hydrate) is an orally active and first-generation cephalosporin with a broad spectrum antibacterial activity. Cefadroxil hydrate (BL-S 578 hydrate) also acts as a substrate of the peptide transporter PEPT1 and PEPT2[1][2]. More

Cefoselis

CAS No: 122841-10-5

Formula: C19H22N8O6S2

Categories: Active Pharmaceutical Ingredients > Antibiotics

Cefoselis is a widely used beta-lactam antibiotic.Target: AntibacterialCefoselis, a new parenteral cephalosporin, was active against clinical isolates of both gram-positive and gram-negative aerobic bacteria. The activity of Cefoselis was similar to that of cefpirome and cefepime and generally superior to that of ceftazidime. Cefoselis showed potent antibacterial activity against Hemophilus influenzae and Moraxella catarrhalis.Cefoselis was highly active against MSSA and MSCNS. CefoselisMore

1137 Active Pharmaceutical Ingredients Suppliers

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Tilorone

CAS No: 27591-97-5

Formula: C25H34N2O3

Categories: Active Pharmaceutical Ingredients > Synthetic Anti-infective Drugs

Mefloquine

CAS No: 53230-10-7

Formula: C17H16F6N2O

Categories: Active Pharmaceutical Ingredients > Antiparasitic Drugs

Off-White SolidMore

Ceftezole

CAS No: 26973-24-0

Formula: C13H12N8O4S3

Categories: Active Pharmaceutical Ingredients > Antibiotics

Ceftezole (CTZ) is a broad-spectrum cephem antibiotic against many species of gram-positive and gram-negative bacteria. Ceftezole (CTZ) is an alpha-glucosidase inhibitor with in vivo anti-diabetic activity[1][2]. More

6,9-DIAMINO-2-ETHOXYACRIDINE LACTATE

CAS No: 1837-57-6

Formula: C18H21N3O4

Categories: Active Pharmaceutical Ingredients > Synthetic Anti-infective Drugs

Pale-yellow crystals. Slowly soluble in 15 parts water; soluble in 9 parts boiling water; soluble in 110 parts alcohol (22C). Solutions are yellow, fluorescent, and stable to boiling.More

Gossypol acetic acid

CAS No: 12542-36-8

Formula:

Categories: Active Pharmaceutical Ingredients > Hormones and the Endocrine System

Gossypol, a natural product isolated from cottonseeds and roots, binds to Bcl-xL protein and Bcl-2 protein with Kis of 0.5-0.6 μM and 0.2-0.3 mM, respectively. More

Bromovalerylurea

CAS No: 496-67-3

Formula: C6H11BrN2O2

Categories: Active Pharmaceutical Ingredients > Nervous System Drugs

Bromisoval has anti-inflammatory effects and has been used as an old sedative and hypnotic. More

Netilmicin

CAS No: 56391-56-1

Formula: C21H41N5O7

Categories: Active Pharmaceutical Ingredients > Antibiotics

It is a derivative of the aminoglycoside antibiotic Sisostromycin. The antibacterial spectrum is similar to gentamicin, tobramycin, ciltinomycin, and amikacin, but it is more effective against Staphylococcus aureus and intestinal bacteria, and inhibits Pseudomonas aeruginosa and Provistan Is slightly worse. Its biggest advantage is that it is less toxic to the auditory nerves and kidneys than aminoglycoside antibiotics commonly used in clinics, and is highly effective against gentamicin-resistanMore

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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