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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

Povidone iodine

CAS No: 25655-41-8

Formula: C6H9I2NO

Categories: Active Pharmaceutical Ingredients > Biocide & Algicide

Povidone iodine displays excellent antibacterial activity which can against MRSA and MSSA strains with MICs of 31.25 mg/L and 7.82 mg/L, respectively. More

Econazole

CAS No: 27220-47-9

Formula: C18H15Cl3N2O

Categories: Active Pharmaceutical Ingredients > Inhibitor Drugs

Econazole is an antifungal compound of the imidazole class. More

Olivetol

CAS No: 500-66-3

Formula: C11H16O2

Categories: Active Pharmaceutical Ingredients > Other Chemical Drugs

Olivetol is a naturally phenol found in lichens and produced by certain insects, acting as a competitive inhibitor of the cannabinoid receptors CB1 and CB2[3]. Olivetol also inhibits CYP2C19 and CYP2D6 activity, with IC50s of 15.3 μM, 7.21 μM and Kis of 2.71 μM, 2.87 μM, respectively[1][2]. More

Tiamulin fumarate

CAS No: 55297-96-6

Formula: C28H47NO4S.C4H4O4

Categories: Active Pharmaceutical Ingredients > Antibiotics

Tiamulin is a diterpenic veterinary drug widely used in swine for the control of infectious diseases, including swine dysentery and enzootic pneumonia.More

D-GLUCURONO-3,6-LACTONE

CAS No: 32499-92-6

Formula: C6H8O6

Categories: Active Pharmaceutical Ingredients > Digestive System Drugs

The main role is to enhance the detoxification function of the liver, restore or improve brain function, and regulate immune functionMore

Diclofenac potassium

CAS No: 15307-81-0

Formula: C14H11Cl2NO2.K

Categories: Active Pharmaceutical Ingredients > Antipyretic Analgesics

White or slightly yellowish, slightly hygroscopic, crystalline powder.ChEBI: The potassium salt of diclofenac.Dichlofenac potassium is the potassium salt of dichlofenac. It is a nonsteroidal anti-inflammatory agent that can be used to reduce inflammation and as an analgesic to reduce pain in certain conditions. It can also used to treat dysmenorrhea. It can treat inflammatory disorders such as musculoskeletal complaints, dental pain, arthritis, actinic keratosis, joint pain, acute pain and chroMore

1122 Active Pharmaceutical Ingredients Suppliers

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Calcifediol

CAS No: 63283-36-3

Formula: C27H44O2

Categories: Active Pharmaceutical Ingredients > Vitamins and Minerals Medicines

Calcifediol (monohydrate) is a major circulating metabolite of vitamin D3, acting as a competitive inhibitor with an apparent Ki of 3.9 μM, suppresses PTH secretion and mRNA (ED50=2 nM). More

Aliskiren

CAS No: 173334-57-1

Formula: C30H53N3O6

Categories: Active Pharmaceutical Ingredients > Circulatory System Drugs

ChEBI: A monomethoxybenzene compound having a 3-methoxypropoxy group at the 2-position and a multi-substituted branched alkyl substituent at the 4-position.Aliskiren is a first-in-class antihypertensive drug that acts by direct inhibition of renin. It is indicated for oral administration either as monotherapy or in combination with other antihypertensive agents. Renin catalyzes the cleavage of angiotensin to form angiotensin I, the first and the rate-limiting step of the RAAS. The inhibitioMore

Benazepril

CAS No: 86541-75-5

Formula: C24H28N2O5

Categories: Active Pharmaceutical Ingredients > Circulatory System Drugs

Benazepril, an angiotensin converting enzyme inhibitor, which is a medication used to treat high blood pressure.Target: angiotensin converting enzyme (ACE)Benazepril is a medication used to treat high blood pressure (hypertension), congestive heart failure, and chronic renal failure. Upon cleavage of its ester group by the liver, benazepril is converted into its active form benazeprilat, a non-sulfhydryl angiotensin-converting enzyme (ACE) inhibitor [1].Animals were randomly divided intoMore

Nateglinide

CAS No: 105816-04-4

Formula: C19H27NO3

Categories: Active Pharmaceutical Ingredients > Hormones and the Endocrine System

The above information is edited by the chemicalbook of Tian Ye.Nateglinide and mitiglinide, repaglinide are three commonly used non-sulfonylurea oral hypoglycemic agents for insulin secretion,it is successfully developed for the first time by the Japanese company Ajomoto , its chemical structure belongs to carbamoylmethyl-benzoic acid (CMBA), it belongs to D-phenylalanine derivatives, it is a new generation of antidiabetic drugs having amino acid structure ,it is an amino acid derivatiMore

Barbaloin

CAS No: 1415-73-2

Formula: C21H22O9

Categories: Active Pharmaceutical Ingredients > Digestive System Drugs

lemon yellow crystalline powderChEBI: A C-glycosyl compound that is beta-D-glucopyranose in which the anomeric hydroxy group is replaced by a 4,5-dihydroxy-2-(hydroxymethyl)-10-oxo-9,10-dihydroanthracen-9-yl moiety (the 9S d astereoisomer).More

Erythromycin estolate

CAS No: 3521-62-8

Formula: C40H71NO14.C12H26O4S

Categories: Active Pharmaceutical Ingredients > Antibiotics

Erythromycin estolate, erythromycin derivative[1], is a macrolide antibiotic used in the treatment of a wide variety of bacterial infections. Erythromycin estolate causes several cases of liver injury which mostly include cholestatic hepatitis. Erythromycin estolate toxicity is related to its inhibitory effect on bile acid transport[2]. More

Chloral hydrate

CAS No: 302-17-0

Formula: C2H3Cl3O2

Categories: Active Pharmaceutical Ingredients > Nervous System Drugs

colourless crystals with a pentrating odour Chloral is a combustible, oily liquid with a pungent irritating odor.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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