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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 745 qualified manufacturers and 386 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.
4847 Active Pharmaceutical Ingredients items

D-GLUCURONO-3,6-LACTONE

CAS No: 32499-92-6

Formula: C6H8O6

Categories: Active Pharmaceutical Ingredients > Digestive System Drugs

The main role is to enhance the detoxification function of the liver, restore or improve brain function, and regulate immune functionMore

Sulbactam

CAS No: 68373-14-8

Formula: C8H11NO5S

Categories: Active Pharmaceutical Ingredients > Antibiotics

Sulbactam(Betamaze) is an irreversible β-lactamase inhibitor.Target: β-lactamase; AntibacterialSulbactam is a mechanism-based inhibitor of beta-lactamase enzymes used in clinical practice. sulbactam was the antimicrobial agent responsible for the killing of these organisms [1]. sulbactam may prove effective for non-life-threatening A. baumannii infections. Its role in the treatment of severe infections is unknown. However, the current formulation of sulbactam alone may allow its use at hMore

Econazole

CAS No: 27220-47-9

Formula: C18H15Cl3N2O

Categories: Active Pharmaceutical Ingredients > Inhibitor Drugs

Econazole is an antifungal compound of the imidazole class. More

Nateglinide

CAS No: 105816-04-4

Formula: C19H27NO3

Categories: Active Pharmaceutical Ingredients > Hormones and the Endocrine System

The above information is edited by the chemicalbook of Tian Ye.Nateglinide and mitiglinide, repaglinide are three commonly used non-sulfonylurea oral hypoglycemic agents for insulin secretion,it is successfully developed for the first time by the Japanese company Ajomoto , its chemical structure belongs to carbamoylmethyl-benzoic acid (CMBA), it belongs to D-phenylalanine derivatives, it is a new generation of antidiabetic drugs having amino acid structure ,it is an amino acid derivatiMore

Sulfadoxine

CAS No: 2447-57-6

Formula: C12H14N4O4S

Categories: Active Pharmaceutical Ingredients > Antibiotics

Sulfadoxine(Sulphadoxine) is a long acting sulfonamide that is used, usually in combination with other drugs, for respiratory, urinary tract and malarial infections.Target: AntiparasiticSulfadoxine(Sulphadoxine) is an ultra-long-lasting sulfonamide. Sulfadoxine is often used in combination with pyrimethamine to treat or prevent malaria. Both drugs are antifolates; they inhibit the production of enzymes involved in the synthesis of folic acid within the parasites. Either drug by itself isMore

Nexavar

CAS No: 475207-59-1

Formula: C21H16ClF3N4O3.C7H8O3S

Categories: Active Pharmaceutical Ingredients > Circulatory System Drugs

Sorafenib tosylate is a potent multikinase inhibitor, with IC50s of 6 nM, 20 nM, and 22 nM for Raf-1, B-Raf, and VEGFR-3, respectively. More

Erythromycin estolate

CAS No: 3521-62-8

Formula: C40H71NO14.C12H26O4S

Categories: Active Pharmaceutical Ingredients > Antibiotics

Erythromycin estolate, erythromycin derivative[1], is a macrolide antibiotic used in the treatment of a wide variety of bacterial infections. Erythromycin estolate causes several cases of liver injury which mostly include cholestatic hepatitis. Erythromycin estolate toxicity is related to its inhibitory effect on bile acid transport[2]. More

1131 Active Pharmaceutical Ingredients Suppliers

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Fluocinolone 16,17-acetonide

CAS No: 67-73-2

Formula: C24H30F2O6

Categories: Active Pharmaceutical Ingredients > Hormones and the Endocrine System

Fluocinolone Acetonide is a glucocorticoid derivative used topically in the treatment of various skin disorders.Target: Glucocorticoid ReceptorFluocinolone acetonide is a corticosteroid primarily used in dermatology to reduce skin inflammation and relieve itching. It is a synthetic hydrocortisone derivative. The fluorine substitution at position 9 in the steroid nucleus greatly enhances its activity. A typical dosage strength used in dermatology is 0.01-0.025%. One such cream is sold undMore

Topotecan hydrochloride

CAS No: 119413-54-6

Formula: C23H23N3O5.ClH

Categories: Active Pharmaceutical Ingredients > Antineoplastic Agents

Topotecan hydrochloride can enter the blood brain barrier. It has the same effect of oral and intravenous injection. The drug has low toxicity predictable bone marrow suppression, and other minor non-hematologic toxicity. Currently there are manufacturers, for clinical treatment of small cell lung cancer, ovarian cancer and other tumors.Topotecan hydrochloride inhibits the activity of topoisomerase I, which is required for DNA replication.More

Montelukast

CAS No: 158966-92-8

Formula: C35H36ClNO3S

Categories: Active Pharmaceutical Ingredients > Respiratory Drugs

SolidMore

Chlorphenesin

CAS No: 104-29-0

Formula: C9H11ClO3

Categories: Active Pharmaceutical Ingredients > Cosmetic Preservative

White to Off-White SolidChEBI: Glycerol in which the hydrogen of one of the primary hydroxy groups is substituted by a 4-chlorophenyl group. It has antifungal and antibacterial properties, and is used for treatment of cutaneous and vaginal infections. Its 1-carbamate is used as a skelet l muscle relaxant for the treatment of painful muscle spasm.More

Dabigatran etexilate mesylate

CAS No: 872728-81-9

Formula: C34H41N7O5.CH4O3S

Categories: Active Pharmaceutical Ingredients > Blood System Drugs

Dabigatran etexilate mesylate (BIBR 1048MS) is the orally active prodrug of dabigatran. Dabigatran is a reversible and selective, direct thrombin inhibitor (DTI) with Ki value of 4.5 nM.IC50 Value: 4.5 nM (Ki); 10 nM(Thrombin-induced platelet aggregation) [1]in vitro: Dabigatran selectively and reversibly inhibited human thrombin(Ki: 4.5 nM) as well as thrombin-induced platelet aggregation (IC(50): 10 nM), while showing no inhibitory effect on other platelet-stimulating agents.Thrombin gMore

Tazobactam

CAS No: 89786-04-9

Formula: C10H12N4O5S

Categories: Active Pharmaceutical Ingredients > Antibiotics

Tazobactam is a beta Lactamase Inhibitor with antibacterial activityTarget: AntibacterialTazobactam is a pharmaceutical drug that inhibits the action of bacterial β-lactamases, especially those belonging to the SHV-1 and TEM groups. It is commonly used as its sodium salt, Tazobactam sodium.Tazobactam is combined with the extended spectrum β-lactam antibiotic piperacillin in the drug piperacillin/Tazobactam, one of the preferred antibiotic treatments for nosocomial pneumonia caused by PseMore

Ciclopirox

CAS No: 29342-05-0

Formula: C12H17NO2

Categories: Active Pharmaceutical Ingredients > Synthetic Anti-infective Drugs

Ciclopirox (Penlac) is a synthetic antifungal agent.Target: AntifungalCiclopirox is a synthetic antifungal agent for topical dermatologic treatment of superficial mycoses. It is most useful against Tinea versicolor. The mechanism of action of ciclopirox is poorly understood [1]. However, loss of function of certain catalase and peroxidase enzymes has been implicated as the mechanism of action, as well as various other components of cellular metabolism. In a study conducted to further eluMore

Doripenem

CAS No: 148016-81-3

Formula: C15H24N4O6S2

Categories: Active Pharmaceutical Ingredients > Antibiotics

White to Off-White PowderDoripenem is a parenteral carbapenem antibiotic launched in Japan for the treatment of bacterial respiratory and urinary tract infections. It is a 1β-methyl carbapenem derivative, and it is the fourth analog to be marketed in this series following the launch of meropenem, biapenem, and ertapenem in previous years. The introduction of a 1β-methyl group to the carbapenem skeleton enhances metabolic stability to renal dehydropeptidase-1 (DHP-1) and leads to improved More

Lacosamide

CAS No: 175481-36-4

Formula: C13H18N2O3

Categories: Active Pharmaceutical Ingredients > Nervous System Drugs

White to Off-White SolidLacosamide (LCM), (SPM 927, (R)-2-acetamido-N-benzyl-3-methoxypropionamide, previously referred to as harkoseride or ADD 234037) is a member of a series of functionalized amino acids that were specifically synthesized as anticonvulsant or antiepileptic drug. It reduces the spread of seizure activity in the brain. Lacosamide appears to have a dual mode of action: selective enhancement of sodium channel inactivation and modulation of collapsin response mediator protein-2. 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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