Product
Supplier
Encyclopedia
Inquiry
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.
4848 Active Pharmaceutical Ingredients items

Epirubicin hydrochloride

CAS No: 56390-09-1

Formula: C27H29NO11.ClH

Categories: Active Pharmaceutical Ingredients > Antineoplastic Agents

Epirubicin (hydrochloride) is a semisynthetic L-arabino derivative of doxorubicin, and an antineoplastic agent by inhibiting Topoisomerase. More

Azelnidipine

CAS No: 123524-52-7

Formula: C33H34N4O6

Categories: Active Pharmaceutical Ingredients > Circulatory System Drugs

Yellow SolidAzelnidipine, a member of the 1,4-dihydropyridine class of L-type calcium channel blockers with a slow onset profile, was marketed in Japan for the treatment of hypertension. Azelnidipine is synthesized via the condensation of iso-propyl 2-(3- nitrobenzylidene)acetoacetate with (1-diphenylmethylazetidin-3-yl)-3,3-diamino acrylate. The diamino acrylate intermediate is prepared from the cyanoacetic ester by sequential treatment with HCl and ammonia. In receptor binding studies usiMore

Galactitol

CAS No: 608-66-2

Formula: C6H14O6

Categories: Active Pharmaceutical Ingredients > Antipyretic Analgesics

Dulcite is a sugar alcohol with a slightly sweet taste which is a metabolic breakdown product of galactose. More

Verapamil

CAS No: 52-53-9

Formula: C27H38N2O4

Categories: Active Pharmaceutical Ingredients > Amides

ChEBI: A tertiary amino compound that is 3,4-dimethoxyphenylethylamine in which the hydrogens attached to the nitrogen are replaced by a methyl group and a 4-cyano-4-(3,4-dimethoxyphenyl)-5-methylhexyl group.More

Cefadroxil

CAS No: 50370-12-2

Formula: C16H17N3O5S

Categories: Active Pharmaceutical Ingredients > Antibiotics

Cefadroxil is a broad-spectrum antibiotic of the cephalosporin type, effective in Gram-positive and Gram-negative bacterial infections. More

Trazodone

CAS No: 19794-93-5

Formula: C19H22ClN5O

Categories: Active Pharmaceutical Ingredients > Nervous System Drugs

Brown OilChEBI: An N-arylpiperazine in which one nitrogen is substituted by a 3-chlorophenyl group, while the other is substituted by a 3-(3-oxo[1,2,4]triazolo[4,3-a]pyridin-2(3H)-yl)propyl group.More

Apramycin

CAS No: 37321-09-8

Formula: C21H41N5O11

Categories: Active Pharmaceutical Ingredients > Antibiotics

Apramycin(Nebramycin II) is an aminoglycoside antibiotic used in veterinary medicine. IC50 value:Target: Apramycin stands out among aminoglycosides for its mechanism of action which is based on blocking translocation and its ability to bind also to the eukaryotic decoding site despite differences in key residues required for apramycin recognition by the bacterial target. The drug binds in the deep groove of the RNA which forms a continuously stacked helix comprising non-canonical C.A andMore

1137 Active Pharmaceutical Ingredients Suppliers

Short on time? Let Active Pharmaceutical Ingredients sellers contact you.

7H-Pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylic acid, 9-fluoro-2,3-dihydro-3-methyl-10-(4-methyl-1-piperazinyl)-7-oxo-, hydrate (2:1), (3S)-

CAS No: 138199-71-0

Formula: C18H20FN3O4.1/2H2O

Categories: Active Pharmaceutical Ingredients > Synthetic Anti-infective Drugs

Levofloxacin hydrate is an antibacterial agent that inhibits the supercoiling activity of bacterial DNA gyrase, halting DNA replication.Target: AntibacterialLevofloxacin reduced bacterial load compared with placebo by 4.9-fold (95% confidence interval, 1.4-25.7; P=0.02) at day 7 but had no effect at any point on any marker of neutrophilic airway inflammation. In patients with a baseline bacterial load of more than 10(6) cfu/mL, levofloxacin treatment was associated with a 26.5% (95% confMore

Nicergoline

CAS No: 27848-84-6

Formula: C24H26BrN3O3

Categories: Active Pharmaceutical Ingredients > Circulatory System Drugs

Nicergoline is an ergot derivative used to treat senile dementia and other disorders with vascular origins.Target: Alpha-1A adrenergic receptorNicergoline acts by inhibiting the postsynaptic alpha(1)-adrenoceptors on vascular smooth muscle. This inhibits the vasoconstrictor effect of circulating and locally released catecholamines (epinephrine and norepinephrine), resulting in peripheral vasodilation. Nicergoline displaced [3H]-prazosin bound to rat forebrain membranes pretreated with chMore

Desogestrel

CAS No: 54024-22-5

Formula: C22H30O

Categories: Active Pharmaceutical Ingredients > Hormones and the Endocrine System

Desogestrel(Org-2969) is a third-generation 19-nortestosterone derivative progestogen; is contained in many oral contraceptive preparations, both combined (COCs) to ethinyl-estradiol (EE) or alone in a progestin-only pill (POP). More

4,10-Dihydro-3,7,8-trihydroxy-3-methyl-10-oxo-1H,3H-pyrano[4,3-b][1]benzopyran-9-carboxylic acid

CAS No: 479-66-3

Formula: C14H12O8

Categories: Active Pharmaceutical Ingredients > Skin Conditioning

Fulvic acids refer to collectively of a set of organic acids, natural compounds, and components of the humus [which is a fraction of soil organic matter].
[1]
They share similar structure with humic acids, with differences being the carbon and oxygen contents, acidity, and degree of polymerization, molecular weight, and color.
[2]
Fulvic acid remains in solution after removal of humic acid from humin by acidification
[3, 4]
. Humic and fulvic acids are mainly produced More

Hydroxyprogesterone caproate

CAS No: 630-56-8

Formula: C27H40O4

Categories: Active Pharmaceutical Ingredients > Hormones and the Endocrine System

Hydroxyprogesterone caproate is a synthetic, steroidal progestin; an ester derivative of 17α-hydroxyprogesterone formed from caproic acid. 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)

Feedback & Suggestions
Send Message

Thank you for your feedback. If you require further assistance, please contact us by email at info@echemi.com or call us at +86-532-55729510.