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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.
4852 Active Pharmaceutical Ingredients items

Gabexate mesilate

CAS No: 56974-61-9

Formula: C16H23N3O4.CH4O3S

Categories: Active Pharmaceutical Ingredients > Digestive System Drugs

Gabexate Mesylate is a Factor X inhibitor; serine protease inhibitor .Target: Factor XGabexate mesylate is a non-antigenic synthetic inhibitor of trypsin-like serine proteinases that is therapeutically used in the treatment of pancreatitis and disseminated intravascular coagulation and as a regional anticoagulant for hemodialysis. Values of the inhibition constant (K(i)) for gabexate mesylate binding to human and bovine tryptase were 3.4 x 10(-9) M and 1.8 x 10(-7) M (at pH 7.4 and 37.0More

Salicylsalicylic acid

CAS No: 552-94-3

Formula: C14H10O5

Categories: Active Pharmaceutical Ingredients > Antipyretic Analgesics

Salsalate is a nonsteroidal anti-inflammatory drug (NSAID).Target:Salsalate is a medication that belongs to the salicylate and non-steroidal anti-inflammatory drug (NSAID) classes. Relative to other NSAIDs, Salsalate has a weak inhibitory effect on the cyclooxygenase enzyme and decreases the production of several pro inflammatory chemical signals such as interleukin-6, TNF-alpha, and C-reactive protein. Common conditions in which Salsalate may be indicated include inflammatory disordersMore

Teprenone

CAS No: 6809-52-5

Formula: C23H38O

Categories: Active Pharmaceutical Ingredients > Skin Conditioning

Teprenone is a anti-ulcer drug, and works as an inducer of heat shock proteins (HSPs). More

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

Temephos

CAS No: 3383-96-8

Formula: C16H20O6P2S3

Categories: Active Pharmaceutical Ingredients > Other Chemical Drugs

Abate is the trade name for Temephos, the known organophosphate larvicide. Abate is used to treat water infested with disease-carrying fl eas, to control mosquito, midge, and black fl y larvae. Abate quickly controls mosquito and other insect populations because it kills insect larvae before they mature, and the residual activity of abate prevents further insect populations. On decomposition, abate produces oxides of carbon, phosphorous, and sulfur. Temephos is a solid at roMore

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

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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

Gliquidone

CAS No: 33342-05-1

Formula: C27H33N3O6S

Categories: Active Pharmaceutical Ingredients > Hormones and the Endocrine System

Gliquidone (AR-DF 26) is an anti-diabetic drug in the sulfonylurea class, used in the treatment of diabetes mellitus type 2. 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

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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