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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

Amoxicillin trihydrate

CAS No: 61336-70-7

Formula: C16H19N3O5S.3H2O

Categories: Active Pharmaceutical Ingredients > Antibiotics

Amoxicillin Trihydrate 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 degradaMore

Glutaraldehyde

CAS No: 111-30-8

Formula: C5H8O2

Categories: Active Pharmaceutical Ingredients > Cosmetic Preservative

Glutaraldehyde is a colorless liquid with a pungent odor, which readily changes to a glossy polymer. The Odor Threshold is 0.04 ppm (NY) and 0.2 ppm (NJ). It is miscible in water and organic solvents. Glutaraldehyde may be incompatible with strong oxidizers and strong bases. It should be noted that alkaline solutions containing glutaraldehyde may react with alcohol, ketones, amines, hydrazines, and proteins.More

Propofol

CAS No: 2078-54-8

Formula: C12H18O

Categories: Active Pharmaceutical Ingredients > Anesthetic Agents

Propofol potently and directly activates GABAA receptor and inhibits glutamate receptor mediated excitatory synaptic transmission. Propofol has antinociceptive properties and is used for sedation and hypnotic[1].More

Glabridin

CAS No: 59870-68-7

Formula: C20H20O4

Categories: Active Pharmaceutical Ingredients > Bleaching Agent

Glabridin is a natural isoflavan from Glycyrrhiza glabra, binds to and activates PPARγ, with an EC50 of 6115 nM. Glabridin exhibits antioxidant, anti-bacterial, anti-nephritic, anti-diabetic, anti-fungal, antitumor, anti-inflammatory, antiosteoporotic, cardiovascular protective, neuroprotective and radical scavenging activities[1][2]. More

Geraniol

CAS No: 106-24-1

Formula: C10H18O

Categories: Active Pharmaceutical Ingredients > Perfuming

Geraniol has a characteristic rose-like odor The physical constants vary for the various commercial products, depending on the total geraniol content; specifc gravity and refractive index may be indicative of the purity of the product Commercial geraniol cannot be classifed according to its alcohol content, as most of the recurring impurities are alcoholic in nature (nerol, citronellol, tetrahydrogeraniol) Gas chromatography techniques may be usefully employed to determine the gera- niol conteMore

Iopamidol

CAS No: 60166-93-0

Formula: C17H22I3N3O8

Categories: Active Pharmaceutical Ingredients > Diagnostic Agents

Iopamidol (B-15000; SQ-13396) is a nonionic, low-osmolar iodinated contrast agent.More

Iophendylate

CAS No: 99-79-6

Formula: C19H29IO2

Categories: Active Pharmaceutical Ingredients > Diagnostic Agents

It is suitable for spinal cord subarachnoid angiography to diagnose spinal cord compression, spinal cord cavity obstruction, spinal cord tumors, spinal arthropathy, intervertebral disc displacement, etc. It can also be used for ventriculography, amnography, lymphangiography. Emulsion injection can be used for fistula angiography and postoperative "T" tube cholangiography.More

Meloxicam

CAS No: 71125-38-7

Formula: C14H13N3O4S2

Categories: Active Pharmaceutical Ingredients > Antipyretic Analgesics

Meloxicam is a non-steroidal antiinflammatory agent, inhibits COX activity, with IC50s of 0.49 µM and 36.6 µM for COX-2 and COX-1, respectively. More

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Matrine

CAS No: 519-02-8

Formula: C15H24N2O

Categories: Active Pharmaceutical Ingredients > Antioxidant Ingredient

Matrine(Sophocarpidine; α-Matrine) is an alkaloid found in plants from the Sophora genus. It has a variety of pharmacological effects, including anti-cancer effects, and action as a kappa opioid receptor and u-receptor agonist.IC50 Value: 540 μg/ml (inhibit gastric cancer cell line MNK45, MTT) [1]Target: u-receptor/kappa opioid in vitro: MTT assay showed that the matrine was able to inhibit gastric cancer cell line MNK45 in a dose-dependent manner. The concentration required for 50% inhiMore

Entecavir monohydrate

CAS No: 209216-23-9

Formula: C12H15N5O3.H2O

Categories: Active Pharmaceutical Ingredients > Synthetic Anti-infective Drugs

Entecavir monohydrate (SQ 34676; BMS 200475) is a potent and selective inhibitor of HBV, with an EC50 of 3.75 nM in HepG2 cell. More

(±)-Menthol

CAS No: 89-78-1

Formula: C10H20O

Categories: Active Pharmaceutical Ingredients > Refreshing

(±)-Menthol, also known as racemic menthol, is an organic compound with a unique chemical structure. Its chemical formula is C10H20O, indicating it is composed of ten carbon atoms, twenty hydrogen atoms, and one oxygen atom. This compound exists in the form of a white crystalline solid and has a very strong minty aroma, providing a cooling and refreshing sensation. (±)-Menthol is solid at room temperature and has a certain melting point, typically stable under ambient conditions. It is highly soluble, especially in alcohols and ethers, allowing it to easily dissolve in these solvents and exert its unique fragrance and cooling effect in various applications. Due to its distinct minty aroma and cooling sensation, (±)-Menthol is widely used in a variety of products, such as mint candies, chewing gum, toothpaste, mouthwash, and other personal care products. Additionally, it exhibits certain antibacterial and analgesic properties, making it applicable in some pharmaceutical formulations. With its wide range of uses and unique properties, (±)-Menthol has become a very important compound in the chemical and fragrance industries.More

Trimethoprim

CAS No: 738-70-5

Formula: C14H18N4O3

Categories: Active Pharmaceutical Ingredients > Inhibitor Drugs

Trimethoprim is a bacteriostatic antibiotic used mainly in the prophylaxis and treatment of urinary tract infections.Target: DHFRTrimethoprim (TMP), an inhibitor of dihydrofolate reductase, decreases the level of tetrahydrofolate supplying one-carbon units for biosynthesis of nucleotides, proteins, and panthotenate. TMP caused induction of DnaK, DnaJ, GroEL, ClpB, and IbpA/B Hsps. Among these Hsps, IbpA/B were most efficiently induced by TMP and coaggregated with the insoluble proteins [More

xylazole

CAS No: 123941-49-1

Formula: C11H12N2S.ClH

Categories: Active Pharmaceutical Ingredients > Anesthetic Agents

Calcium

CAS No: 7440-70-2

Formula: Ca

Categories: Active Pharmaceutical Ingredients > Nervous System Drugs

Calcium is a silvery-white metal when freshly cut, which tarnishes to a blue-gray color in air. It can also be found as a powder.

Calcium cations (Ca2+ ) and calcium salts are among the most commonly encountered substances in water, arising mostly from dissolution of minerals. Calcium often is the most abundant cation in river water. Among the most common calcium minerals are the two crystalline forms of calcium carbonate-calcite and aragonite (CaCO 3 , limestone is primarily calciMore

Acetate ion

CAS No: 71-50-1

Formula: C2H3O2

Categories: Active Pharmaceutical Ingredients > Synthetic Anti-infective Drugs

ChEBI: A monocarboxylic acid anion resulting from the removal of a proton from the carboxy group of acetic acid.More

Ethanol

CAS No: 64-17-5

Formula: C2H6O

Categories: Active Pharmaceutical Ingredients > Dissolving Agent

Ethanol, which is also commonly referred to as ethyl alcohol, is a colorless and volatile liquid substance that possesses the chemical formula C2H6O. This particular compound is widely recognized and utilized for its intoxicating properties, which are famously harnessed in the production and consumption of alcoholic beverages.More

Sodium chloride

CAS No: 7647-14-5

Formula: ClNa

Categories: Active Pharmaceutical Ingredients > Viscosity Controlling

Sodium chloride, NaCl, also known as common salt and halite, is a white crystalline solid.It is soluble in water,slightly soluble in alcohol, and melts at 804 °C (1480 °F). Sodium chloride is the most important sodium mineral and occurs naturally in seawater, underground deposits, and brine wells.Sodiumchlorideis a basic raw material for the production of chlorine,sodium hypochlorite, sodium bisulfate,soda ash, and hydrogen chloride. Sodium chloride is also used in food preparation, fertilizersMore

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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