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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 742 qualified manufacturers and 371 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.
4830 Active Pharmaceutical Ingredients items

Diosmin

CAS No: 520-27-4

Formula: C28H32O15

Categories: Active Pharmaceutical Ingredients > Antioxidant Ingredient

Diosmin is a flavonoid found in a variety of citrus fruits and also an agonist of the aryl hydrocarbon receptor (AhR). More

Luteolin

CAS No: 491-70-3

Formula: C15H10O6

Categories: Active Pharmaceutical Ingredients > Skin Conditioning

Luteolin is a falconoid compound, which exhibits anticancer properties.IC50 value:Target: A natural for anticancer.In vitro: Luteolin exerted an anticancer effect against NCI-H460 cells through Sirt1-mediated apoptosis and the inhibition of cell migration [1]. The treatment of luteolin upregulated the expression levels of transforming growth factor β1 (TGF-β1), p21WAF1/CIP1, p27KIP1, Smad4, and Fas in HCC cells. Luteolin induced apoptotic cell death in Hep3B cells while caused G1 arrestMore

Pregabalin

CAS No: 148553-50-8

Formula: C8H17NO2

Categories: Active Pharmaceutical Ingredients > Nervous System Drugs

Off-White SolidPregabalin is a second- generation antiepileptic drug (AED) known with the proprietary brand name of Lyrica (Pfizer, Tadworth) in the UK and USA (Pfizer, New York, NY). As a follow-up to its g-aminobutyric acid (GABA) agonist gabapentin, Pfizer hasdeveloped and launched pregabalin for the treatment of epilepsy and neuropathicpain. Although pregabalin is a structural analog of GABA, it does not interact withGABA-A or GABA-B receptors or influence GABA uptake. The exact mecMore

Sodium nitrite

CAS No: 7632-00-0

Formula: HNO2.Na

Categories: Active Pharmaceutical Ingredients > Anticorrosive

Sodium nitrite, NaN02, is a fire-hazardous, air-sensitive, yellowish white powder that is soluble in water and decomposes at temperatures above 320°C (608 °F). Sodium nitrite is used as an intermediate for dye stuffs and for pickling of meat, in dyeing of textiles, in rustproofing, in medicine, and as a reagent in organic chemistry. More

Ibudilast

CAS No: 50847-11-5

Formula: C14H18N2O

Categories: Active Pharmaceutical Ingredients > Antiallergic Drugs

Ibudilast(KC-404;AV-411;MN-166) is a relatively nonselective phosphodiesterase inhibitor which has been marketed for treating asthma.Target: PDEIbudilast (3-isobutyryl-2-isopropylpyrazolo[1,5-a]pyridine) is a nonselective inhibitor of cyclic nucleotide phosphodiesterase (PDE). The inhibition of platelet aggregation and vasodilatation by ibudilast may be due to synergistic elevation of intracellular cyclic nucleotides and release of nitric oxide (NO) or prostacyclin from endothelium, rathMore

Benzocaine

CAS No: 94-09-7

Formula: C9H11NO2

Categories: Active Pharmaceutical Ingredients > Oral Care

Benzocaine shares a common receptor with all other local anesthetics (LAs) in the voltage-gated Na+ channel, with an IC50 of 0.8 mM tested with a potential of +30 mV. More

Benzoic acid

CAS No: 65-85-0

Formula: C7H6O2

Categories: Active Pharmaceutical Ingredients > Cosmetic Preservative

Benzoic Acid is an aromatic alcohol existing naturally in many plants and is a common additive to food, drinks, cosmetics and other products. It acts as preservatives through inhibiting both bacteria and fungi.More

Potassium carbonate

CAS No: 584-08-7

Formula: CH2O3.2K

Categories: Active Pharmaceutical Ingredients > Buffering

It belongs to monoclinic, and is white powder or granular crystal. It is easily soluble in water but insoluble in alcohol and ether. Potassium carbonate, potash, pearl ash, K2CO3, white solid, soluble, formed (1) in the ash when plant materials are burned, (2) by reaction of potassium hydroxide solution and the requisite amount of CO2. Potassium carbonate is a white, crystalline, salt that forms basic aqueous solutions used in the production of fertilizer, glass, ceramics, explosives, soaps, chMore

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Ferrous sulfate

CAS No: 7720-78-7

Formula: Fe.H2O4S

Categories: Active Pharmaceutical Ingredients > Flocculant

Greenish or yellow-brown crystals orgranules; odorless. Soluble in water with salinetaste; insoluble in alcohol. hygroscopic. Ferrous sulfate is a greenish or yellowish solidin fine or lumpy crystals.More

Sorbitol

CAS No: 50-70-4

Formula: C6H14O6

Categories: Active Pharmaceutical Ingredients > Perfuming

It is white and odorless crystalline powder with sweet taste and being hygroscopic. It can be dissolved in water (235g/100g water, 25 °C), glycerin, and propylene glycol; and is slightly soluble in methanol, ethanol, acetic acid, and phenol and acetamide solution but almost insoluble in most other organic solvents. d-Sorbitol has a sweet taste. In comparison to sucrose, the relative sweetness of sorbitol is approximately 50%. Sorbitol can exist in any of several crystalline forms with meltingMore

Vitamin B12

CAS No: 68-19-9

Formula: C63H88CoN14O14P

Categories: Active Pharmaceutical Ingredients > Skin Conditioning

Vitamin B12 is a water soluble vitamin with a key role in the normal functioning of the brain and nervous system, and for the formation of blood.Target: OthersVitamin B12 is a water-soluble vitamin with a key role in the normal functioning of the brain and nervous system, and for the formation of blood. It is one of the eight B vitamins. It is normally involved in the metabolism of every cell of the human body, especially affecting DNA synthesis and regulation, but also fatty acid syntheMore

Lithium carbonate (Li2CO3)

CAS No: 554-13-2

Formula: CH2O3.2Li

Categories: Active Pharmaceutical Ingredients > Buffering

Lithium carbonate is a white monoclinic crystalline solid. Typically for carbonates, lithium carbonate reacts with acids stronger than carbon dioxide or carbonic acid to yield the lithium salt of the acid and carbon dioxide. The reactions may be carried out in a solution, as an aqueous slurry, or, less effectively, with solid lithium carbonate.
Lithium carbonate exhibits a low water solubility for an alkali metal carbonate. The solubility decreases with increasing temperature. It is not hMore

Ethylenediaminetetraacetic acid

CAS No: 60-00-4

Formula: C10H16N2O8

Categories: Active Pharmaceutical Ingredients > Chelating

Edetic acid occurs as a white crystalline powder. Ethylenediaminetetraacetic acid is a solid. white crystals or powder EDTA is a white, odorless, crystalline material or white powderMore

Tetrachloroethylene

CAS No: 127-18-4

Formula: C2Cl4

Categories: Active Pharmaceutical Ingredients > Antiparasitic Drugs

Tetrachloroethylene is a clear, colorless, volatile, nonflammable liquid with an ethereal odor. Insoluble in water. Vapors heavier than air. Density approximately 13.5 lb/gal. Used as dry cleaning solvent, a degreasing solvent, a drying agent for metals, and in the manufacture of other chemicals. Tetrachloroethylene is a clear, colorless, nonflammable liquid with a characteristic odor. The odor is noticeable @ 47 ppm, though after a short period it may become inconspicuous, thereby becoming anMore

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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