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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

Ammonium bromide

CAS No: 12124-97-9

Formula: BrH4N

Categories: Active Pharmaceutical Ingredients > Amides

manufacture of photographic films, plates, and papers; in process engraving and lithography; fireproofing of wood; in corrosion inhibitors. Used as a medical tranquilizer, photographic emulsion, wood preservative, etc.; used as an analytical reagent, and also used in the pharmaceutical industry; used in the manufacture of photographic film emulsions and developers, used as a wood preservative, water treatment and fire retardant additives ; Used as a sedative in medicine, it is an oral medicine More

Titanium oxide

CAS No: 51745-87-0

Formula: O.Ti

Categories: Active Pharmaceutical Ingredients > Feed Additive

Acyclovir

CAS No: 59277-89-3

Formula: C8H11N5O3

Categories: Active Pharmaceutical Ingredients > Antivirals

Acyclovir, a molecule tailored to inactivate the thymidine kinase of the herpesvirus, is a guanosine analogue antiviral drug. It is a drug for HSV infection by GlaxoSmithKline.IC50 Value: 0.53-0.75 uM [3]Target: HSVin vitro: Acyclovir sensitivity was determined in a plaque-reduction assay in Vero cells. IC50 Values were consistently 2-3 fold lower in B2 compared with the H strain of Vero cells. HSV Type 2 strains were 2-10-fold less sensitive than Type 1 strains [2]. in vivo: two patientMore

Clopidogrel

CAS No: 113665-84-2

Formula: C16H16ClNO2S

Categories: Active Pharmaceutical Ingredients > Blood System Drugs

Clopidogrel was launched in the US as a potent inhibitor of platelet aggregation for the preventive management of secondary ischemic events, including MI, stroke and vascular deaths. Clopidogrel can be synthesized in 4 steps (including an optical resolution to the S active enantiomer) from 2-(2- ch1orophenyl)-glycine, the key step being the cyclization to thienopyridine with formaldehyde and acetic acid. Clopidogrel belongs to the original chemical class of Ticlopidine, but shows fewer siMore

Vitamin B1

CAS No: 59-43-8

Formula: C12H17N4OS.Cl

Categories: Active Pharmaceutical Ingredients > Vitamins and Minerals Medicines

It is suitable for vitamin B1 deficiency, has the function of maintaining normal glucose metabolism and nerve conduction, and is also used for auxiliary treatment of indigestion, neuritis, etc.More

Melatonin

CAS No: 73-31-4

Formula: C13H16N2O2

Categories: Active Pharmaceutical Ingredients > Antioxidant Ingredient

Melatonin is a hormone made by the pineal gland that can activates melatonin receptor. Melatonin plays a role in sleep and possesses important antioxidative and anti-inflammatory properties. More

Calcium phosphate dibasic

CAS No: 7757-93-9

Formula: CaHO4P

Categories: Active Pharmaceutical Ingredients > Phosphorus Compounds

Dibasic Calcium Phosphate is anhydrous or contains two molecules of water of hydration. It occurs as a white, odorless, tasteless powder that is stable in air. It is practically insoluble in water, but is readily soluble in dilute hydrochloric and nitric acids. It is insoluble in alcohol.

Dibasic calcium phosphate is produced by the reaction of phosphoric acid, calcium chloride, and sodium hydroxide. Calcium carbonate can be used in place of the calcium chloride and sodium hydroxidMore

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Atorvastatin

CAS No: 134523-00-5

Formula: C33H35FN2O5

Categories: Active Pharmaceutical Ingredients > Circulatory System Drugs

Atorvastatin is an inhibitor of HMG-CoA reductase used as a cholesterol-lowering medication that blocks the production of cholesterol. Target: HMG-CoA reductaseAtorvastatin is an inhibitor of HMG-CoA reductase used as a cholesterol-lowering medication that blocks the production of cholesterol. 81 patients were randomly assigned to receive either placebo or 2.5, 5, 10, 20, 40, or 80 mg atorvastatin once daily for 6 weeks. Plasma LDL cholesterol reductions from baseline were dose related,More

Sorbic acid

CAS No: 22500-92-1

Formula: C6H8O2

Categories: Active Pharmaceutical Ingredients > Synthetic Anti-infective Drugs

White or almost white, crystalline powder. Sorbic acid is a tasteless, white to yellow-white crystalline powder with a faint characteristic odor.More

Tris(hydroxymethyl)aminomethane

CAS No: 77-86-1

Formula: C4H11NO3

Categories: Active Pharmaceutical Ingredients > Corrosion Inhibitor

Trometamol is a biologically inert amino alcohol of low toxicity, which buffers carbon dioxide and acids in vitro and in vivo. Trometamol is an effective amine compound for pH control in the physiological range[1]. More

Atorvastatin

CAS No: 110862-48-1

Formula: C33H35FN2O5

Categories: Active Pharmaceutical Ingredients > Circulatory System Drugs

Molybdenum

CAS No: 7439-98-7

Formula: Mo

Categories: Active Pharmaceutical Ingredients > Vitamins and Minerals Medicines

Molybdenum is a silvery-white metal or dark gray or black powder with a metallic luster.More

(-)-Chloramphenicol

CAS No: 56-75-7

Formula: C11H12Cl2N2O5

Categories: Active Pharmaceutical Ingredients > Antibiotics

Chloramphenicol is a broad-spectrum antibiotic.Target: AntibacterialChloramphenicol is a bacteriostatic drug that stops bacterial growth by inhibiting protein synthesis. Chloramphenicol prevents protein chain elongation by inhibiting the peptidyl transferase activity of the bacterial ribosome. It specifically binds to A2451 and A2452 residues in the 23S rRNA of the 50S ribosomal subunit, preventing peptide bond formation. While chloramphenicol and the macrolide class of antibiotics bothMore

Resorcinol

CAS No: 108-46-3

Formula: C6H6O2

Categories: Active Pharmaceutical Ingredients > Antioxidant Ingredient

It is white needle-like crystal. It will become pink upon exposure to light and air or contact with iron. It has a sweet taste. It is soluble in water, ethanol, amyl alcohol, easily soluble in ether, glycerol, slightly soluble in chloroform, carbon disulfide as well as in benzene. Resorcinol is odorless. crystals or powder Resorcinol is a white crystalline solid with acharacteristic odor and a sweetish taste. Turns pink on expo-sure to air or light, or contact with iron.ChEBI: A benzenedMore

Chlorhexidine

CAS No: 55-56-1

Formula: C22H30Cl2N10

Categories: Active Pharmaceutical Ingredients > Cosmetic Preservative

Chlorhexidine is an antibacterial used as an antiseptic and for other applications.Target: AntibacterialChlorhexidine belongs to a group of medicines called antiseptic antibacterial agents. It is used to clean the skin after an injury, before surgery, or before an injection. Chlorhexidine is also used to clean the hands before a procedure. It works by killing or preventing the growth of bacteria on the skin. 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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