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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

Acetic acid

CAS No: 64-19-7

Formula: C2H4O2

Categories: Active Pharmaceutical Ingredients > Buffering

Acetic acid, CH3COOH, is a colorless, volatile liquid at ambient temperatures. The pure compound, glacial acetic acid, owes its name to its ice-like crystalline appearance at 15.6°C. As generally supplied, acetic acid is a 6 N aqueous solution (about 36%) or a 1 N solution (about 6%). These or other dilutions are used in adding appropriate amounts of acetic acid to foods. Acetic acid is the characteristic acid of vinegar, its concentration ranging from 3.5 to 5.6%. Acetic acid and acetates are More

Phenol

CAS No: 108-95-2

Formula: C6H6O

Categories: Active Pharmaceutical Ingredients > Cosmetic Preservative

Colorless to light-pink, crystalline solid with a sweet, acrid odor. [Note: Phenol liquefies by mixing with about 8% water.]More

Glycerol

CAS No: 56-81-5

Formula: C3H8O3

Categories: Active Pharmaceutical Ingredients > Dissolving Agent

Glycerol is a clear, colourless, viscous, sweet-tasting liquid. Glycerol is used in sample preparation and gel formation for polyacrylamide gel electrophoresis. More

Calcium carbonate

CAS No: 471-34-1

Formula: CH2O3.Ca

Categories: Active Pharmaceutical Ingredients > Cosmetic Colorant

Calcium carbonate occurs in two forms—hexagonal crystal known as calcite, and orthorhombic form, aragonite. Calcite decomposes on heating at 825°C, aragonite melts at 1,339°C (at 102.5 atm). Density 2.71 g/cm3 (calcite), 2.83 g/cm3 (aragonite); insoluble in water (15mg/L at 25°C); Ksp 4.8x10–9 ; soluble in dilute mineral acids. Calcium carbonate occurs as an odorless and tasteless white powderor crystals.More

Piperazine

CAS No: 110-85-0

Formula: C4H10N2

Categories: Active Pharmaceutical Ingredients > Antiparasitic Drugs

HYGROSCOPIC COLOURLESS CRYSTALS OR WHITE FLAKES WITH PUNGENT ODOUR.More

Chromium

CAS No: 7440-47-3

Formula: Cr

Categories: Active Pharmaceutical Ingredients > Cosmetic Colorant

Chromium occurs in oxidation states from Cr
-2
through Cr
+6
but exists mainly in the Cr(III) and Cr(VI) states; Cr(III) is the most stable. Hexavalent chromium compounds have varying physical and chemical properties. Most Cr(VI) compounds are solids; chromyl chloride is a liquid. Their properties include corrosion-resistance, durability, and hardness. Sodium dichromate is the most common chromium chemical from which other Cr(VI) compounds are produced. Examples of other Cr(VIMore

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Lactic acid

CAS No: 50-21-5

Formula: C3H6O3

Categories: Active Pharmaceutical Ingredients > Skin Conditioning

Lactic acid consists of a mixture of 2-hydroxypropionic acid, its condensation products, such as lactoyllactic acid and other polylactic acids, and water. It is usually in the form of the racemate, (RS)-lactic acid, but in some cases the (S)-(+)-isomer is predominant.
Lactic acid is a practically odorless, colorless or slightly yellowcolored, viscous, hygroscopic, nonvolatile liquid. Lactic acid, CH3CHOHCOOH, also known as 2-hydroxypropanoic acid, is a hygroscopic liquid that exists in thrMore

FORMYLCIPROFLOXACIN

CAS No: 93594-39-9

Formula: C18H18FN3O4

Categories: Active Pharmaceutical Ingredients > Synthetic Anti-infective Drugs

Pale Yellow SolidMore

Glucose

CAS No: 50-99-7

Formula: C6H12O6

Categories: Active Pharmaceutical Ingredients > Humectant

Dextrose, a simple sugar (monosaccharide), is an important carbohydrate in biology.Target: OthersDextrose(D-glucose), a simple sugar (monosaccharide), is an important carbohydrate in biology. More

Cresol

CAS No: 1319-77-3

Formula: C7H8O

Categories: Active Pharmaceutical Ingredients > Perfuming

Cresol,a clear amber to red liquid, also known as cresylic acid, methylphenol, and tricresol,is a mixture of three isomers of cresol derived from coaltar and is used in making plastics, ore flotation, refining petroleum, and as a strong antiseptic. Orthocresol is a color less solid with a melting point of 30 °C(86 OF) that is soluble in alcohol,but only slightly soluble in water. It is used in making disinfectants and as a plasticizer. Metacresol is a colorless liquid used in the manufacture ofMore

Sodium carbonate

CAS No: 497-19-8

Formula: CH2O3.2Na

Categories: Active Pharmaceutical Ingredients > Bulking

Sodium carbonate, Na2C03, also known as soda or soda ash,is the most important of the industrial alkalis. It is a white or grayish-white, lumpy, water-soluble powder that loses its water of crystallization when heated. It decomposes at a temperature of about 852°C (1560°F). It exists in solution only. It is prepared by the combination of carbon dioxide and water.More

Nicotinamide

CAS No: 98-92-0

Formula: C6H6N2O

Categories: Active Pharmaceutical Ingredients > Smoothing

It is white needle crystal or crystalline powder, no smell or odor slightly, slightly bitter taste. The relative density is 1.4, melting point is 131-132 ℃.1 g of the above the product is soluble in 1 ml of water, 1.5 ml ethanol or 10 ml glycerin, insoluble in ether. The pH of 10% aqueous solution is 6.5-7.5. in dry air to light and heat stability, in alkaline or acidic solution, heating generation to nicotinic acid. Rats by oral LD502.5-3.5g/kg ADI value does not make special provisions (ECC,More

SODIUM CARBONATE, MONOHYDRATE

CAS No: 5968-11-6

Formula: CH2Na2O4

Categories: Active Pharmaceutical Ingredients > Fluid, Electrolyte, and Acid-base Balance

white powder Sodium carbonate is a white, almost white, or colorless inorganic salt, produced as crystalline powder or granules. It is hygroscopic and odorless with an alkaline taste.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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