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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

(-)-Carnitine

CAS No: 541-15-1

Formula: C7H15NO3

Categories: Active Pharmaceutical Ingredients > Antistatic

L-carnitine is constituent of striated muscle and liver. It is used therapeutically to stimulate gastric and pancreatic secretions and in the treatment of hyperlipoproteinemias.Target: OthersL-Carnitine is an endogenous molecule involved in fatty acid metabolism, biosynthesized within the human body using amino acids: L-lysine and L-methionine, as substrates. L-Carnitine can also be found in many foods, but red meats, such as beef and lamb, are the best choices for adding carnitine intoMore

2-(Bromomethyl)pyridine

CAS No: 55401-97-3

Formula: C6 H6 Br N

Categories: Active Pharmaceutical Ingredients > Other Chemical Drugs

1,3-Propanediol

CAS No: 504-63-2

Formula: C3H8O2

Categories: Active Pharmaceutical Ingredients > Dissolving Agent

Colorless oil liquid; odorless. Soluble in water, alcohol, and ether. Combustible. 1,3-Propanediol, an isomer of propylene glycol, is a viscous, colorless, odorless, hygroscopic liquid that has a brackish irritating taste .More

Choline

CAS No: 62-49-7

Formula: C5H14NO

Categories: Active Pharmaceutical Ingredients > Amides

Viscous, alkaline liquid. Soluble in water and alcohol. Amounts are expressed in milligrams of choline.More

Nicotinic acid

CAS No: 59-67-6

Formula: C6H5NO2

Categories: Active Pharmaceutical Ingredients > Antistatic

White crystal or crystalline powder, odorless or has a slight odor, slight sour taste. Melting point is 234-237℃. Easily soluble in hot water, hot ethanol, alkaline water, propylene glycol, and chloroform. Slightly soluble in water and ethanol; 100ml room temperature water can dissolve 1.6g. Insoluble in ether and ester solutions. The PH of 1% aqueous solution is 3.0-4.0. Stable in heat, acidity and alkalinity. NIACIN is sometimes referred to as nicotinic acid or nicotinamide and earlier callMore

Calcium hypochlorite

CAS No: 7778-54-3

Formula: Ca.2ClHO

Categories: Active Pharmaceutical Ingredients > Biocide & Algicide

Calcium hypochlorite, Ca(OCl)2.4H20, also known as calcium oxychloride, chlorinated lime, and bleach, is a deliquescent white powder used as a bleaching agent in the textile and pulp industries and as a disinfectant. It contains 60 to 65% available chlorine, Calcium hypochlorite is a white powder, granule, or pellets with a strong chlorine-like odor.More

Glutathione

CAS No: 70-18-8

Formula: C10H17N3O6S

Categories: Active Pharmaceutical Ingredients > Reducing

L-Glutathione reduced (GSH; γ-L-Glutamyl-L-cysteinyl-glycine) is an endogenous antioxidant and is capable of scavenging oxygen-derived free radicals. More

Aluminum hydroxide

CAS No: 21645-51-2

Formula: AlH3O3

Categories: Active Pharmaceutical Ingredients > Cosmetic Colorant

Aluminum hydroxide, white solid, is a typical amphoteric hydroxide that is insoluble in water but soluble in acid or alkali. It can be transformed into alumina after heated in the air for dehydration, which is important for alumina production. Aluminum hydroxide is a widely used chemical product, and it is mainly used as plastic and polymer fillers, blanket flame retardant and binder, epoxy resin filler, toothpaste fillers, glass ingredients as well as paper color fillers and coatings. It can bMore

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Glucosamine

CAS No: 3416-24-8

Formula: C6H13NO5

Categories: Active Pharmaceutical Ingredients > Antistatic

Glucosamine is an amino sugar and a prominent precursor in the biochemical synthesis of glycosylated proteins and lipids, is used as a dietary supplement. More

SILVER

CAS No: 9015-51-4

Formula: Ag

Categories: Active Pharmaceutical Ingredients > Synthetic Anti-infective Drugs

very dark brown shiny crystalsMore

Ferric Chloride

CAS No: 7705-08-0

Formula: Cl3Fe

Categories: Active Pharmaceutical Ingredients > Astringent

Ferric chloride,FeCl3, is a brown crystalline solid and is soluble in water,alcohol,and glycerol. It is also known as anhydrous ferric chloride,ferric trichloride, Flores martis,and iron chloride. Ferric chloride is used as a coagulant for sewage and industrial wastes, as an oxidizing and chlorinating agent,as a disinfectant, in copper etching, and as amordant. In addition, this compound is employed in the ferric chloride test,which is used to assess the relative corrosion resistance of stainleMore

Inositol

CAS No: 87-89-8

Formula: C6H12O6

Categories: Active Pharmaceutical Ingredients > Antistatic

i-Inositol is a chemical compound, associated lipids are found in many foods, in particular fruit, especially cantaloupe and oranges. More

Magnesium sulfate heptahydrate

CAS No: 10034-99-8

Formula: H2O4S.7H2O.Mg

Categories: Active Pharmaceutical Ingredients > Viscosity Controlling

Used in tanning, fertilizer, porcelain, matches, explosives, printing and dyeing, medicine and other industries; used in steelmaking and ironmaking; magnesium sulfate is a nutrient enhancer for feed. Used as a laxative, choleretic, used for catharsis and duodenal drainage; used as analytical reagent and mordantMore

Magnesium hydroxide

CAS No: 1309-42-8

Formula: H2MgO2

Categories: Active Pharmaceutical Ingredients > Absorbent

Magnesium hydroxide is an excellent flame retardant for plastic and rubber products. As a flue gas desulfurizer in terms of environmental protection, it can replace caustic soda and lime as a neutralizer for acid-containing wastewater and an adsorbent for heavy metals. In addition, it can also be used in the electronics industry, medicine, sugar refining, heat preservation materials and other magnesium salt products.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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