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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

2,5-DIMETHOXY-BETA-NITROSTYRENE

CAS No: 40276-11-7

Formula: C10H11NO4

Categories: Active Pharmaceutical Ingredients > Other Chemical Drugs

2, 5-dimethoxy-β-nitrobenzene is an organic compound belonging to the β-nitroso alkenes in the form C₁₁H₁₃N₃O₄. Because of its unique molecular structure and chemical properties, this compound has wide application value in the field of organic synthesis and drug research. Specifically, 2, 5-dimethoxy-β-Nitrostyrene is a styrene derivative whose molecular structure contains two methoxy (-Och-₃) substituents and one nitroso (-NO₂) substituents. This specific arrangement of substituents makes the compound extremely reactive in chemical reactions. Especially in nucleophilic reactions and reduction reactions, 2, 5-dimethoxy-β-nitrostyrene has shown excellent reaction performance, making it one of the important reagents in organic synthesis. As a yellow solid, 2, 5-Dimethoxy-β-nitrostyrene has high thermal stability, which means that it can remain stable at higher temperatures and is not easily decomposed. In addition, the compound also has good solubility and can be smoothly dissolved in a variety of organic solvents, so it is suitable for a variety of organic reactions. These characteristics make 2, 5-dimethoxy-β-nitrostyrene widely used in organic synthesis and drug research.More

Tobramycin sulphate

CAS No: 49842-07-1

Formula: C18H39N5O13S

Categories: Active Pharmaceutical Ingredients > Antibiotics

Tobramycin sulfate (Nebramycin Factor 6 sulfate) is a parenterally administered, broad spectrum aminoglycoside antibiotic that is widely used in the treatment of moderate to severe bacterial infections due to sensitive organisms[1]. More

Tilorone hydrochloride

CAS No: 27591-69-1

Formula: C25H34N2O3.2ClH

Categories: Active Pharmaceutical Ingredients > Synthetic Anti-infective Drugs

Tilorone dihydrochloride is the first recognized synthetic, small molecular weight compound that is an orally active interferon inducer, used as an antiviral drug. More

Dirithromycin

CAS No: 62013-04-1

Formula: C42H78N2O14

Categories: Active Pharmaceutical Ingredients > Antibiotics

Dirithromycin(LY 237216) is a macrolide glycopeptide antibiotic by binding to the 50S subunit of the 70S bacterial ribosome to inhibit the translocation of peptides.Target: AntibacterialDirithromycin is a new macrolide with a spectrum and degree of in vitro antimicrobial activity similar to that of erythromycin. Compared with erythromycin, dirithromycin has a long elimination half-life enabling once-daily administration, and it also achieves a greater cellular:extracellular concentrationMore

Argatroban monohydrate

CAS No: 141396-28-3

Formula: C23H36N6O5S.H2O

Categories: Active Pharmaceutical Ingredients > Blood System Drugs

Argatroban monohydrate is a direct, selective thrombin inhibitor.Target: ThrombinArgatroban may have a complementary effect for preventing thrombus formation without aggravating bleeding tendency because of its monotarget specificity to thrombin. Administration (0.5 to 2 micrograms/kg/min) of argatroban is a safe anticoagulant for left heart bypass in repairs of traumatic aortic rupture associated with multiple organ injuries [1]. Argatroban, as compared with heparin, appears to enhanceMore

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Benorylate

CAS No: 5003-48-5

Formula: C17H15NO5

Categories: Active Pharmaceutical Ingredients > Amides

Benorylate (Benoral) is the esterification product of paracetamol and acetylsalicylic acid. It has anti-inflammatory, analgesic and antipyretic properties. Benorylate could also inhibit prostaglandin (PG) synthesis. More

Thyrotropin

CAS No: 9002-71-5

Formula:

Categories: Active Pharmaceutical Ingredients > Hormones and the Endocrine System

A hormone secreted by the anterior lobe of the pituitary gland. It increases the rate of removal of iodine from the blood by the thyroid gland, synthesis of the thyroid hormone, and its release into the bloodstream. The thyrotropic hormone is a protein with a low molecular weight (about 10,000) that contains some carbohydrate. More

3-Fluorobenzylamine

CAS No: 100-82-3

Formula: C7H8FN

Categories: Active Pharmaceutical Ingredients > Antibiotics

clear colorless liquidMore

Protamines

CAS No: 9012-00-4

Formula:

Categories: Active Pharmaceutical Ingredients > Blood System Drugs

Water soluble, producing basic solu- tions. More

Puromycin

CAS No: 53-79-2

Formula: C22H29N7O5

Categories: Active Pharmaceutical Ingredients > Antibiotics

Puromycin dihydrochloride is the dihydrochloride salt of puromycin. Puromycin is an aminoglycoside antibiotic that inhibits protein synthesis. More

Iloprost

CAS No: 78919-13-8

Formula: C22H32O4

Categories: Active Pharmaceutical Ingredients > Hormones and the Endocrine System

Iloprost (ZK 36374) is a synthetic analogue of prostacyclin PGI2.Target: Iloprost is a stable prostacyclin analog commonly employed in the treatment of peripheral vascular disease and also indicated in the treatment of patients affected by systemic sclerosis (SSc) in the presence of severe Raynaud's phenomenon (RP). [1] Iloprost dilates systemic and pulmonary arterial vascularbeds. Iloprost also affects platelet aggregation but the relevance of this effect to the treatment of pulmonary hMore

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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