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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

Spectinomycin hydrochloride

CAS No: 21736-83-4

Formula: C14H24N2O7.2ClH

Categories: Active Pharmaceutical Ingredients > Antibiotics

Spectinomycin Dihydrochloride is a new parenteral antibiotic prepared from Streptomyces spectabilis.Target: AntibacterialSpectinomycin is an antibiotic produced by Streptomyces spectabilis. It is active against gram-negative bacteria and used for the treatment of gonorrhea. Spectinomycin binds to the 30S subunit of the bacterial ribosome and interrupts protein synthesis. One form of resistance has emerged in the 16S ribosomal RNA in Pasteurella multocida [1]. It is given by injection toMore

Verapamil hydrochloride

CAS No: 23313-68-0

Formula: C27H39ClN2O4

Categories: Active Pharmaceutical Ingredients > Circulatory System Drugs

White PowderMore

Pancuronium bromide

CAS No: 15500-66-0

Formula: C35H60N2O4.2Br

Categories: Active Pharmaceutical Ingredients > Anesthetic Agents

Light Beige SolidChEBI: A bromide salt consisting of two bromide ions and one pancuronium dication.Although pancuronium bromide,2 ,16 -dipiperidino-5 -androstane-3 ,17 -diol diacetatedimethobromide (Pavulon), is a synthetic product, it isbased on the naturally occurring alkaloid malouetine, found inarrow poisons used by primitive Africans. Pancuronium bromideacts on the nicotinic receptor and in the ion channel,inhibiting normal ion fluxes.More

Mitotane

CAS No: 53-19-0

Formula: C14H10Cl4

Categories: Active Pharmaceutical Ingredients > Antineoplastic Agents

Mitotane(2,4′-DDD), an isomer of DDD and derivative of DDT, is an antineoplastic medication used in the treatment of adrenocortical carcinoma.IC50 value: Target: Mitotane alters steroid peripheral metabolism, directly suppresses the adrenal cortex and alters cortisone metabolism leading to hypocortisolism. Side effects as reported by Schteinberg et al. include anorexia and nausea (88%), diarrhea (38%), vomiting (23%), decreased memory and ability to concentrate (50%), rash (23%), gynecomMore

2,6-Diamino-3-phenylazopyridine hydrochloride

CAS No: 136-40-3

Formula: C11H11N5.ClH

Categories: Active Pharmaceutical Ingredients > Urinary System Drugs

Phenazopyridine Hcl is a chemical, which has a local analgesic effect, often used to alleviate the pain, irritation, discomfort, or urgency caused by urinary tract infections, surgery, or injury to the urinary tract.More

Fenticonazole nitrate

CAS No: 73151-29-8

Formula: C24H20Cl2N2OS.HNO3

Categories: Active Pharmaceutical Ingredients > Synthetic Anti-infective Drugs

Fenticonazole Nitrate is an azole antifungal agent.Target: AntifungalFenticonazole is an azole antifungal drug, used locally as the nitrate in the treatment of vulvovaginal candidiasis. It is active against a range of organisms including dermatophyte pathogens, Malassezia furfur, and Candida albicans. Application of fenticonazole nitrate 1 g intravaginal ovules on 2 alternate days is a suitable first-line treatment of vulvovaginitis with acceptable broad-spectrum efficacy against the mosMore

Calcium levofolinate

CAS No: 80433-71-2

Formula: C20H23N7O7.Ca

Categories: Active Pharmaceutical Ingredients > Vitamins and Minerals Medicines

Levoleucovorin calcium is the calcium salt of Levoleucovorin, which is the enantiomerically active form of folinic acid.IC50 value: Target: Levoleucovorin is used to treat or prevent toxic effects of methotrexate in people who have received methotrexate to treat bone cancer. Levoleucovorin is also used in combination chemotherapy with fluorouracil (5-FU) to treat colorectal cancer that has spread to other parts of the body. This medicine only treats the symptoms of colorectal cancer andMore

Pravastatin

CAS No: 81093-37-0

Formula: C23H36O7

Categories: Active Pharmaceutical Ingredients > Circulatory System Drugs

Pravastatin is an HMG-CoA reductase inhibitor against sterol synthesis with IC50 of 5.6 μM.Target: HMG-CoA reductasePravastatin (marketed as Pravachol or Selektine) is a member of the drug class of statins, used in combination with diet, exercise, and weight-loss for lowering cholesterol and preventing cardiovascular disease.Pravastatin is primarily used for the treatment of dyslipidemia and the prevention of cardiovascular disease. It is recommended to be used only after other measuresMore

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Benidipine

CAS No: 105979-17-7

Formula: C28H31N3O6

Categories: Active Pharmaceutical Ingredients > Circulatory System Drugs

This oral, once-daily antihypertensive agent (FW = 505.57 g/mol; CAS 105979-17-7), also known by its code name KW-3049, trade name Coniel, and systematic name O -methyl,O -[(3R)-1-(phenylmethyl)piperidin-3-yl] 2,6-dimethyl-4-(3-nitrophenyl)-1,4-dihydropyridine-3,5-dicarboxylate, is a dihydropyridine-class calcium ion blocker that is effective against L-, N-, and T-channels, with potent and selective inhibitory action on cardiac slow calcium channels. Benidipine bound stereospecifically to nMore

Calcium titanate

CAS No: 12049-50-2

Formula: Ca.O.Ti

Categories: Active Pharmaceutical Ingredients > Skin Protecting

-150, +325 mesh 99% pure; occurs naturally as the mineral perovskite; can be made by heating CaO and TiO2 to 1350°C; used as an additive to BaTiO3 [KIR83] [CER91]More

Tirofiban hydrochloride monohydrate

CAS No: 150915-40-5

Formula: C22H36N2O5S.ClH.H2O

Categories: Active Pharmaceutical Ingredients > Circulatory System Drugs

White SolidTirofiban is an anti-angina drug, it is successfully developed by the United States Merck company , Patent Number is EP 478363, and in 1998 it was sold in the United States, the trade name is Aggrastat,it is clinically used in treating acute coronary syndromes, including unstable angina or non-Q-wave myocardial infarction, and percutaneous transluminal coronary angioplasty (PTCA) or atherosclerotic plaque excision patients with in combination with heparin. More

(±)-Pheniramine

CAS No: 86-21-5

Formula: C16H20N2

Categories: Active Pharmaceutical Ingredients > Antiallergic Drugs

SolidMore

Canertinib

CAS No: 267243-28-7

Formula: C24H25ClFN5O3

Categories: Active Pharmaceutical Ingredients > Antineoplastic Agents

Canertinib (CI-1033;PD-183805) is a potent and irreversible EGFR inhibitor; inhibits cellular EGFR and ErbB2 autophosphorylation with IC50s of 7.4 and 9 nM. More

Alosetron

CAS No: 122852-42-0

Formula: C17H18N4O

Categories: Active Pharmaceutical Ingredients > Digestive System Drugs

crystalline powderChEBI: A pyrido[4,3-b]indole compound having a 5-methyl-1H-imidazol-4-ylmethyl group at the 2-position.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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