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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 380 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

(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

Evening primrose, Oenotherabiennis, ext.

CAS No: 90028-66-3

Categories: Active Pharmaceutical Ingredients > Antioxidant Ingredient

The therapeutic botanical properties of evening primrose oil (Oenothera biennis) are described as astringent and helpful for skin irritations. Incorporated into certain preparations at a 10 percent concentration, it appears to improve cases of pruritis and xerosis. evening primrose oil improves the skin’s hydration and its ability to develop normal barrier functions. evening primrose oil contains a high amount of gamma linoleic acid, which is one of the essential fatty acids vital for maintaininMore

endo-Borneol

CAS No: 507-70-0

Formula: C10H18O

Categories: Active Pharmaceutical Ingredients > Perfuming

solid Borneol is a bicyclic terpene alcohol. Borneol is an endo isomer; the corresponding exo isomer is isoborneol:
Borneol occurs abundantly in nature as a single enantiomer or, less frequently, as the racemate. (1S,2R,4S)-(?)-Borneol occurs particularly in oils from Pinaceae species and in citronella oil. (1R,2S,4R)-(+)-Borneol is found, for example, in camphor oil (Ho-Sho oil), rosemary, lavender, and olibanum oils. Borneol is a colorless, crystalline solid. (+)-Borneol has a camphoraceMore

1,8-Dihydroxyanthraquinone

CAS No: 117-10-2

Formula: C14H8O4

Categories: Active Pharmaceutical Ingredients > Digestive System Drugs

orange-brown or brown powder Red-orange to orange crystalline powder or reddish-brown crystalline solid.ChEBI: A dihydroxyanthraquinone that is anthracene-9,10-dione substituted by hydroxy groups at positions 1 and 8.Orange crystalline powder. Almost odorless and tasteless.More

Cefditoren pivoxil

CAS No: 117467-28-4

Formula: C25H28N6O7S3

Categories: Active Pharmaceutical Ingredients > Antibiotics

Off-White PowderChEBI: The pivaloyloxymethyl ester prodrug of cefditoren.Cefditoren pivoxil is an orally active third generation cephalosporin introduced in Japan as a treatment for a broad range of bacterial infections including dermatological and other community acquired infections. Cefditoren pivoxil is reported to have a broad spectrum of activity against both Gram-positive and Gramnegative bacteria, more potent than many other existing agents of its class. In particular, it shows theMore

Oxybutynin hydrochloride

CAS No: 1508-65-2

Formula: C22H31NO3.ClH

Categories: Active Pharmaceutical Ingredients > Urinary System Drugs

Oxybutynin is an anticholinergic medication used to relieve urinary and bladder difficulties.Target: mAChROxybutynin is an anticholinergic medication used to relieve urinary and bladder difficulties, including frequent urination and inability to control urination (urge incontinence), by decreasing muscle spasms of the bladder. Oxybutynin competitively antagonizes the M1, M2, and M3 subtypes of the muscarinic acetylcholine receptor. It also has direct spasmolytic effects on bladder smoothMore

Luliconazole

CAS No: 187164-19-8

Formula: C14H9Cl2N3S2

Categories: Active Pharmaceutical Ingredients > Synthetic Anti-infective Drugs

Luliconazole is a member of the imidazole class of antifungal agents, with specific utility as a dermatological antimycotic drug. It was launched in Japan as a topical agent for the treatment of athlete’s foot. Luliconazole is an optically active drug with (R)-configuration at its chiral center. It is structurally related to lanoconazole, which has been marketed as a racemic mixture since 1994. As with other azole antifungal drugs, the mechanism of action of luliconazole is the inhibitionMore

Astemizole

CAS No: 68844-77-9

Formula: C28H31FN4O

Categories: Active Pharmaceutical Ingredients > Antiallergic Drugs

Astemizole, a second-generation antihistamine drug to diminish allergic symptoms with a long duration of action, is a histamine H1-receptor antagonist, with an IC50 of 4 nM. Astemizole also shows potent hERG K+ channel blocking activity with an IC50 of 0.9 nM. Astemizole has anticholinergic and antipruritic effects[1][2]. More

Sineptina

CAS No: 1392-21-8

Formula: C35H59NO13

Categories: Active Pharmaceutical Ingredients > Antibiotics

Leucomycin complex (kitasamycin) is a family of closely related macrocyclic lactone antibiotics produced by Streptomyces kitasatoensis, discovered in 1953. The complex contained over 14 components with analogues A1, A4, A5, and A13 being the most abundant analogues. Leucomycin complex is used as an animal health product for control of Gram positive bacteria, Gram negative cocci, leptospira and mycoplasma.More

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Ancitabine

CAS No: 31698-14-3

Formula: C9H11N3O4

Categories: Active Pharmaceutical Ingredients > Antineoplastic Agents

ChEBI: An organic heterotricyclic compound resulting from the formal condensation of the oxo group of cytidine to the 2' position with loss of water to give the corresponding cyclic ether. A prodrug, it is metabolised to the antineoplastic agent cytarabine, so is used to maintain a more constant antineoplastic action.More

Phenformin hydrochloride

CAS No: 834-28-6

Formula: C10H15N5.ClH

Categories: Active Pharmaceutical Ingredients > Hormones and the Endocrine System

Phenformin (hydrochloride) is a hydrochloride salt of phenformin that is an anti-diabetic drug from the biguanide class, can activate AMPK activity. More

3,3,3-Trifluoropropene

CAS No: 677-21-4

Formula: C3H3F3

Categories: Active Pharmaceutical Ingredients > Other Chemical Drugs

Brivaracetam

CAS No: 357336-20-0

Formula: C11H20N2O2

Categories: Active Pharmaceutical Ingredients > Nervous System Drugs

ChEBI: A non-proteinogenic amino acid derivative that is butanamide in which the pro-S hydrogen at position 2 is replaced by a (4R)-2-oxo-4-propylpyrrolidin-1-yl. Used for treatment of partial onset seizures related to epilepsy.More

Helicid

CAS No: 80154-34-3

Formula: C13H16O7

Categories: Active Pharmaceutical Ingredients > Nervous System Drugs

Helicid (Helicide, Helicidum, 4-Formylphenyl-β-D-allopyranoside) is a major constituent of Helicia nilgirica Bedd. Helicid has been used to treat psychoneurosis for its sedative-hypnotic and analgesic properties[1]. 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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