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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 393 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.
4850 Active Pharmaceutical Ingredients items

(+)-2-Heptanol

CAS No: 6033-23-4

Formula: C7H16O

Categories: Active Pharmaceutical Ingredients > Other Chemical Drugs

Colorless to light yellow liquiMore

Valsartan

CAS No: 137863-60-6

Formula: C24H29N5O3

Categories: Active Pharmaceutical Ingredients > Circulatory System Drugs

Used to treat high blood pressureMore

Edoxaban

CAS No: 480449-70-5

Formula: C24H30ClN7O4S

Categories: Active Pharmaceutical Ingredients > Other Chemical Drugs

Edoxaban(DU-176) is an oral factor Xa (FXa) inhibitor in clinical development for stroke preventionIC50 Value:Target: factor XaEdoxaban is an oral factor Xa (FXa) inhibitor in clinical development for stroke prevention in patients with atrial fibrillation, an elderly population that frequently receives aspirin (ASA) and/or nonsteroidal anti-inflammatory drugs for concurrent illnesses[1].in vitro: Edoxaban PK was not affected by concomitant low-dose ASA or naproxen, but high-dose ASA incrMore

Oxybutynin

CAS No: 5633-20-5

Formula: C22H31NO3

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

Thalidomide

CAS No: 50-35-1

Formula: C13H10N2O4

Categories: Active Pharmaceutical Ingredients > Synthetic Anti-infective Drugs

Thalidomide is initially promoted as a sedative, inhibits ereblon (CRBN), a part of the cullin-4 E3 ubiquitin ligase complex CUL4-RBX1-DDB1, with a Kd of ∼250 nM, and has immunomodulatory, anti-inflammatory and anti-angiogenic cancer properties. More

Pazufloxacin

CAS No: 127045-41-4

Formula: C16H15FN2O4

Categories: Active Pharmaceutical Ingredients > Synthetic Anti-infective Drugs

Pazufloxacin is a fluoroquinolone with a 1-aminocyclopropyl substituent at C10 position. The presence of aminoacyl group at C-10 is a unique feature of the molecule imparting potent broad spectrum activity against gram-positive and gram-negative bacteria. This activity is based on the inhibition of bacterial DNA gyrase.More

Ertapenem

CAS No: 153832-46-3

Formula: C22H25N3O7S

Categories: Active Pharmaceutical Ingredients > Antibiotics

ChEBI: Meropenem in which the one of the two methyl groups attached to the amide nitrogen is replaced by hydrogen while the other is replaced by a 3-carboxyphenyl group. The sodium salt is used for the treatment of moderate to severe susceptible infections includ ng intra-abdominal and acute gynaecological infections, pneumonia, and infections of the skin and of the urinary tract.Ertapenem (Invanz, for injection) is a synthetic 1-β-methylcarbapenem that is structurally related to β-lactam antMore

1138 Active Pharmaceutical Ingredients Suppliers

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Tylosin phosphate

CAS No: 1405-53-4

Formula: C46H77NO17.xH3O4P

Categories: Active Pharmaceutical Ingredients > Antibiotics

Tylosin phosphate (TS) is a light yellow to yellow liquid substance with a characteristic odor. Tylosin phosphate has an antibacterial effect mainly on Gram-positive bacteria and partly on Gramnegative bacteria and mycoplasma, and has a growth-promoting effect on pigs.More

Alfuzosin hydrochloride

CAS No: 81403-68-1

Formula: C19H27N5O4.ClH

Categories: Active Pharmaceutical Ingredients > Circulatory System Drugs

Alfuzosin hydrochloride is an α1 adrenergic receptor antagonist used to treat benign prostatic hyperplasia (BPH).Target: α1 adrenergic receptorAlfuzosin, a new quinazoline derivative, acts as a selective and competitive antagonist of alpha 1-adrenoceptor-mediated contraction of prostatic, prostatic capsule, bladder base and proximal urethral smooth muscle, thereby reducing the tone of these structures. Consequently, urethral pressure and resistance, bladder outlet resistance, bladder insMore

Chlorpromazine hydrochloride

CAS No: 69-09-0

Formula: C17H19ClN2S.ClH

Categories: Active Pharmaceutical Ingredients > Nervous System Drugs

Chlorpromazine Hydrochloride is an antagonist of the dopamine D2, 5HT2A, potassium channel andsodium channel. Chlorpromazine binds with D2 and 5HT2A with Kis of 363 nM and 8.3 nM, respectively. More

Cilnidipine

CAS No: 132203-70-4

Formula: C27H28N2O7

Categories: Active Pharmaceutical Ingredients > Circulatory System Drugs

Yellow Crystalline SolidChEBI: A diesterified 1,4-dihydropyridine-3,5-dicarboxylic acid. A calcium channel blocker, it is used as an antihypertensive.Clinidipine is a kind of calcium channel blocker. It is a kind of novel calcium antagonist with the blocking effect on both L-type and N-type calcium channels. It is mainly used for the treatment of hypertension. Based on its effect on both N-type and L-type calcium channel, it can dilate both arterioles and venules, further reducing the pressureMore

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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