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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 740 qualified manufacturers and 369 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.
4829 Active Pharmaceutical Ingredients items

Ticlopidine hydrochloride

CAS No: 53885-35-1

Formula: C14H14ClNS.ClH

Categories: Active Pharmaceutical Ingredients > Blood System Drugs

Ticlopidine hydrochloride is an adenosine diphosphate (ADP) receptor inhibitor against platelet aggregation with IC50 of ~2 μM.Target: Adenosine diphosphate (ADP)Ticlopidine (trade name Ticlid) is an antiplatelet drug in the thienopyridine family. Ticlopidine hydrochloride inhibits platelet aggregation with IC50 of ~2 μM in men. Like clopidogrel, it is an adenosine diphosphate (ADP) receptor inhibitor. It is used in patients in whom aspirin is not tolerated, or in whom dual antiplateletMore

Ceftriaxone sodium

CAS No: 74578-69-1

Formula: C18H18N8O7S3.2Na

Categories: Active Pharmaceutical Ingredients > Antibiotics

Ceftriaxone sodium salt is an antibiotic useful for the treatment of a number of bacterial infections.Target: AntibacterialCeftriaxone inhibits bacterial cell wall synthesis by means of binding to the penicillin-binding proteins (PBPs). Inhibition of PBPs would in turn inhibit the transpeptidation step in peptidoglycan synthesis which is required for bacterial cell walls. Like other cephalosporins, ceftriaxone is bacteriocidal and exhibits time-dependent killing. Ceftriaxone, one of theMore

Kasugamycin

CAS No: 6980-18-3

Formula: C14H25N3O9

Categories: Active Pharmaceutical Ingredients > Antibiotics

ChEBI: An amino cyclitol glycoside that is isolated from Streptomyces kasugaensis and exhibits antibiotic and fungicidal properties.More

Iloperidone

CAS No: 133454-47-4

Formula: C24H27FN2O4

Categories: Active Pharmaceutical Ingredients > Nervous System Drugs

Off-White SolidChEBI: A member of the class of piperidines that is the 4-acetyl-2-methoxyphenyl ether of 3-(piperidin-1-yl)propan-1-ol which is substituted at position 4 of the piperidine ring by a 6-fluoro-1,2-benzoxazol-3-yl group. A member of the group of second generation a tipsychotics (also known as an atypical antipsychotics), it is used for the treatment of schizophrenia.Iloperidone, an atypical antipsychotic drug, is the dual antagonist of the serotonin-2 (5-HT2) and dopamine 2 (D2).More

Sodium thiosulfate pentahydrate

CAS No: 10102-17-7

Formula: H2O3S2.5H2O.2Na

Categories: Active Pharmaceutical Ingredients > Reducing

translucent crystals or white powder Sodium thiosulfate occurs as odorless and colorless crystals, acrystalline powder or granules. It is efflorescent in dry air anddeliquescent in moist air.More

Doxercalciferol

CAS No: 54573-75-0

Formula: C28H44O2

Categories: Active Pharmaceutical Ingredients > Other Chemical Drugs

Doxercalciferol is a Vitamin D2 analog, acts as an activator of Vitamin D receptor, and prevent renal disease. More

Penicillin V potassium

CAS No: 132-98-9

Formula: C16H18N2O5S.K

Categories: Active Pharmaceutical Ingredients > Antibiotics

Penicillin V Potassium is an antibiotic useful for the treatment of a number of bacterial infections, is a penicillin that is orally active, acts by inhibiting the biosynthesis of cell-wall peptidoglycan. More

Sultamicillin

CAS No: 76497-13-7

Formula: C25H30N4O9S2

Categories: Active Pharmaceutical Ingredients > Antibiotics

Sultamicillin is an orally active double prodrug of Ampicillin/Sulbactan. Sulbactam is a semisynthetic beta-lactamase inhibitor which, in combination with Ampicillin, extends the antibacterial activity of the latter to include some beta-lactamase-producing strains of bacteria that would otherwise be resistant[1]. More

Sarpogrelate

CAS No: 125926-17-2

Formula: C24H31NO6

Categories: Active Pharmaceutical Ingredients > Blood System Drugs

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3,5-Pyridinedicarboxylic acid, 4-(2,3-dichlorophenyl)-1,4-dihydro-2,6-dimethyl-, 3-methyl 5-[(1-oxobutoxy)methyl] ester

CAS No: 167221-71-8

Formula: C21H23Cl2NO6

Categories: Active Pharmaceutical Ingredients > Circulatory System Drugs

White to Off-White SolidClevidipine is an ultra-short-acting vasodilator of the dihydropyridine (DHP) class of CCB. It is indicated as an intravenous treatment for the acute management of hypertension when oral therapy is not feasible or not desirable. Clevidipine is the second intravenous CCB to be marketed behind nicardipine for this indication. Both agents are primarily used for urgent treatment of hypertension in cardiac surgical setting, intensive care units, and emergency departmentMore

Asiatic acid

CAS No: 464-92-6

Formula: C30H48O5

Categories: Active Pharmaceutical Ingredients > Light Stabilizer

Asiatic acid, a pentacyclic triterpene found in Centella asiatica, induces apoptosis in melanoma cells. Asiatic acid can be used to treat skin cancer[1]. Asiatic acid also has anti-inflammatory activities[2]. More

Validamycin A

CAS No: 37248-47-8

Formula: C20H35NO13

Categories: Active Pharmaceutical Ingredients > Biopesticides

ChEBI: A member of the class of validamycins that is (1R,2S,3S,4S,6R)-4-amino-6-(hydroxymethyl)cyclohexane-1,2,3-triol in which the hydroxy group at position 1 has been converted to its beta-D-glucoside and in which one of the hydrogens attached to the nitrogen is replaced by a (1R,4R,5R,6S)-4,5,6-trihydroxy-3-(hydroxymethyl)cycloh x-2-en-1-yl group. It is the major validamycin produced by Streptomyces hygroscopicus.More

Phenformin

CAS No: 114-86-3

Formula: C10H15N5

Categories: Active Pharmaceutical Ingredients > Hormones and the Endocrine System

ChEBI: A member of the class of biguanides that is biguanide in which one of the terminal nitrogen atoms is substituted by a 2-phenylethyl group. It was used as an anti-diabetic drug but was later withdrawn from the market due to potential risk of lactic acidoss.More

Aloe vera, ext.

CAS No: 85507-69-3

Formula:

Categories: Active Pharmaceutical Ingredients > Antioxidant Ingredient

aloe vera is an emollient and film-forming gum resin with hydrating, softening, healing, anti-microbial, and anti-inflammatory proper ties. It is most widely recognized for its moisturizing capacity. Aloe vera supplies moisture directly to the skin tissue. other properties include moisture regulation and an apparent ability to absorb uV light. It has a slightly relaxing effect on the skin, making it valuable for sensitive, sunburned, and sun-exposed skins. Aloe vera was popular in traditional meMore

2-Naphthyl N-methyl-N-(3-tolyl)thiocarbamate

CAS No: 2398-96-1

Formula: C19H17NOS

Categories: Active Pharmaceutical Ingredients > Antimicrobials

Tolnaftate is a synthetic thiocarbamate used as an anti-fungal agent. Target: AntifungalTolnaftate blocked sterol biosynthesis in fungal cells and cell extracts, with accumulation of squalene. This point of action was confirmed by the direct inhibition of microsomal squalene epoxidase from Candida albicans [1]. Tolnaftate inhibited sterol biosynthesis, At 100 microM, tolnaftate caused up to a 30% release of intracellular [14C]aminoisobutyric acid [2]. 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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