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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

Amlodipine

CAS No: 88150-42-9

Formula: C20H25ClN2O5

Categories: Active Pharmaceutical Ingredients > Circulatory System Drugs

Amlodipine is a long-acting calcium channel blocker.Target: Calcium ChannelAmlodipine is a dihydropyridine calcium antagonist (calcium ion antagonist or slow-channel blocker) that inhibits the movement of calcium ions into vascular smooth muscle cells and cardiac muscle cells. Experimental data suggest amlodipine binds to both dihydropyridine and nondihydropyridine binding sites. The contractile processes of cardiac muscle and vascular smooth muscle are dependent upon the movement of extMore

(±)-Lipoic acid

CAS No: 1077-28-7

Formula: C8H14O2S2

Categories: Active Pharmaceutical Ingredients > Antioxidant Ingredient

α-Lipoic Acid is an antioxidant, which is an essential cofactor of mitochondrial enzyme complexes. α-Lipoic Acid inhibits NF-κB-dependent HIV-1 LTR activation. More

Mannitol

CAS No: 69-65-8

Formula: C6H14O6

Categories: Active Pharmaceutical Ingredients > Skin Conditioning

Mannitol, white powder to crystals, has a molecular weight of 182.17 and a melting point of 166.0 to 170.0 °C. It is soluble in water, slightly soluble in alcohol, and almost insoluble in most other common organic solvents, such as ether. Mannitol is found in a variety of foods, such as olives, beets, and celery, as well as in the exudates of certain trees.More

(-)-Omeprazole

CAS No: 119141-88-7

Formula: C17H19N3O3S

Categories: Active Pharmaceutical Ingredients > Digestive System Drugs

ChEBI: A 5-methoxy-2-{[(4-methoxy-3,5-dimethylpyridin-2-yl)methyl]sulfinyl}-1H-benzimidazole that has S configuration at the sulfur atom. An inhibitor of gastric acid secretion, it is used (generally as its sodium or magnesium alt) for the treatment of gastro-oesophageal reflux disease, dyspepsia, peptic ulcer disease, and Zollinger-Ellison syndrome.Esomeprazole, formulated as a magnesium salt, reached the market as a treatment for acid-related diseases such as gastro-esophageal reflux (GERDMore

Amoxicillin

CAS No: 26787-78-0

Formula: C16H19N3O5S

Categories: Active Pharmaceutical Ingredients > Antibiotics

Amoxicillin is a moderate- spectrum, bacteriolytic, β-lactam antibiotic.Target: AntibacterialAmoxicillin is a moderate-spectrum, bacteriolytic, β-lactam antibiotic in the aminopenicillin family used to treat bacterial infections caused by susceptible Gram-positive and Gram-negative microorganisms. It is usually the drug of choice within the class because it is better-absorbed, following oral administration, than other β-lactam antibiotics. Amoxicillin is susceptible to degradation by β-lMore

(+)-Amlodipine

CAS No: 103129-81-3

Formula: C20H25ClN2O5

Categories: Active Pharmaceutical Ingredients > Circulatory System Drugs

White SolidMore

Riboflavin

CAS No: 83-88-5

Formula: C17H20N4O6

Categories: Active Pharmaceutical Ingredients > Cosmetic Colorant

Yellow to orange/yellow crystalline powd VITAMIN B2 (Riboflavin). Some earlier designations for this substance included vitamin G, lactoflavin, hepatoflavin, ovoflavin, verdoflavin. The chemical name is 6,7-dimethyl-9-d-l’ribityl isolloxazine. Riboflavin is a complex pigment with a green fluorescence.More

1122 Active Pharmaceutical Ingredients Suppliers

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Potassium acetate

CAS No: 127-08-2

Formula: C2H4O2.K

Categories: Active Pharmaceutical Ingredients > Film Forming

Potassium acetate, a chemical compound that serves as the salt derived from acetic acid and potassium, manifests itself in the form of a white, crystalline powder. This particular substance exhibits hygroscopic properties, meaning it has the ability to absorb moisture from its surrounding environment. Additionally, potassium acetate demonstrates a high level of solubility in water, allowing it to dissolve readily in this liquid medium.More

Ammonia

CAS No: 7664-41-7

Formula: H3N

Categories: Active Pharmaceutical Ingredients > Buffering

At atmospheric pressure, ammonia is a colorless gas with a characteristic pungent odor, which is extremely irritating to the eyes and upper respiratory tract. It is approximately half as dense as air and thus rises readily. With pressurization, 13 cubic feet of ammonia vapor can be condensed into 1 cubic foot.
Ammonia is a common chemical of production, holding a third place in world production (Makarovsky et al., 2008). The large-scale use of ammonia is facilitated by large-scale storageMore

Gemcitabine

CAS No: 95058-81-4

Formula: C9H11F2N3O4

Categories: Active Pharmaceutical Ingredients > Antineoplastics

Gemcitabine (NSC 613327;LY188011) is a DNA synthesis inhibitor which inhibits the growth of BxPC-3, Mia Paca-2, PANC-1, PL-45 and AsPC-1 cells with IC50s of 37.6, 42.9, 92.7, 89.3 and 131.4 nM, respectively.More

Imatinib

CAS No: 152459-95-5

Formula: C29H31N7O

Categories: Active Pharmaceutical Ingredients > Antineoplastic Agents

Orange SolidImatinib is a kind of oral drugs used for the treatment of the chronic myelogenous leukemia (abbreviated CML) of positive symptoms of Philadelphia chromosome (Ber-Abl). It is suitable for being applied to adult patients in acute transformation phase, accelerated phase, and chronic phase with treatment failure with interferon. CML is a kind of hematopoietic stem cell disease caused by the DNA abnormalities in the bone marrow stem cells. DNA abnormalities will produce abnormal proteMore

Fluconazole

CAS No: 86386-73-4

Formula: C13H12F2N6O

Categories: Active Pharmaceutical Ingredients > Inhibitor Drugs

Fluconazole is a triazole antifungal drug used in the treatment and prevention of superficial and systemic fungal infections.Target: AntifungalFluconazole is a triazole antifungal intended for oral treatment of superficial and systemic mycoses. In tests done in standard mycological media, the compound had minimal inhibitory concentrations against pathogenic Candida species that were usually in excess of 100 mg/l. Fluconazole inhibited branching and hyphal development in C. albicans at coMore

Collagens

CAS No: 9007-34-5

Formula:

Categories: Active Pharmaceutical Ingredients > Hair Conditioning

Yellowish flakes freeze-dried substance; It is the main component of skin, connective tissue, bone and teeth. Different sources of collagen have different types, but they all contain three α chain, and are arranged into three-helical conformation. The slight difference in primary structure results in the formation of different types of collagen. The denatured collagen is referred as gelatin. More

Dipicrylamine

CAS No: 131-73-7

Formula: C12H5N7O12

Categories: Active Pharmaceutical Ingredients > Antiallergic Drugs

Yellow solid.decomposes violently at higher temperatures. Insoluble in water and alcohol; soluble in alkalies and warm acetic or nitric acid.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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