Product
Supplier
Encyclopedia
Inquiry
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 740 qualified manufacturers and 369 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.
4829 Active Pharmaceutical Ingredients items

Tizanidine hydrochloride

CAS No: 64461-82-1

Formula: C9H8ClN5S.ClH

Categories: Active Pharmaceutical Ingredients > Digestive System Drugs

Tizanidine hydrochloride is an α2-adrenergic receptor agonist and inhibits neurotransmitter release from CNS noradrenergic neurons.Target: α2-adrenergic receptorTizanidine is a drug that is used as a muscle relaxant. It is a centrally acting α2 adrenergic agonist. It is used to treat the spasms, cramping, and tightness of muscles caused by medical problems such as multiple sclerosis, ALS, spastic diplegia, back pain, or certain other injuries to the spine or central nervous system. It isMore

3-Nitrobenzenesulfonamide

CAS No: 121-52-8

Formula: C6H6N2O4S

Categories: Active Pharmaceutical Ingredients > Synthetic Anti-infective Drugs

light brown powderMore

Eicosapentaenoic acid

CAS No: 25378-27-2

Formula: C20H30O2

Categories: Active Pharmaceutical Ingredients > Other Chemical Drugs

eicosapentaenoic acid is also known as ePA. With emollient and skin-conditioning properties, this omega-3 fatty acid helps repair and maintain the skin barrier functions. It is said to improve the structure and function of the skin cell membrane. In addition, it may also have anti-irritant and anti-inflammatory properties.More

Halofuginone

CAS No: 55837-20-2

Formula: C16H17BrClN3O3

Categories: Active Pharmaceutical Ingredients > Antiparasitic Drugs

Halofuginone (RU-19110) is a less-toxic form of Febrifugine, which is isolated from the plant Dichroa febrifuga[1]. Halofuginone inhibits prolyl-tRNA synthetase in an ATP-dependent manner with a Ki of 18.3 nM[2]. Halofuginone attenuates osteoarthritis (OA) by inhibition of TGF-β activity[3]. More

Norgestrel

CAS No: 6533-00-2

Formula: C21H28O2

Categories: Active Pharmaceutical Ingredients > Hormones and the Endocrine System

Norgestrel is a synthetic analog of progesterone, a compound commonly found in oral contraceptive pill, and a powerful neuroprotective antioxidant, preventing light-induced ROS in photoreceptor cells, and cell death[1][2]. More

Esomeprazole sodium

CAS No: 161796-78-7

Formula: C17H19N3O3S.Na

Categories: Active Pharmaceutical Ingredients > Digestive System Drugs

Esomeprazole sodium is a proton pump inhibitor which reduces acid secretion through inhibition of the H+ / K+ ATPase in gastric parietal cells.IC50 value:Target: proton pumpEsomeprazole sodium (Nexium) is the S-isomer of omeprazole and acts as a proton pump inhibitor and gastric antisecretory agent indicated for the short-term treatment of gastroesophageal reflux disease in patients with a history of erosive esophagitis. Esomeprazole 0.4 and 0.8 mg/mL as the sodium salt in the infusion sMore

1109 Active Pharmaceutical Ingredients Suppliers

Short on time? Let Active Pharmaceutical Ingredients sellers contact you.

Bendazac

CAS No: 20187-55-7

Formula: C16H14N2O3

Categories: Active Pharmaceutical Ingredients > Antipyretic Analgesics

White SolidMore

Sparfloxacin

CAS No: 110871-86-8

Formula: C19H22F2N4O3

Categories: Active Pharmaceutical Ingredients > Synthetic Anti-infective Drugs

Light yellow powderSparfloxacin is the most potent fluoroquinolone antibiotic introduced for the treatment of community acquired infections. It has superior and broad in vitro activity against members of family Enterobacferiaceae and anaerobic bacteria, some of which are resistant toβ-lactam antibiotics or to aminoglycosides. In patients with surgical infections, sparfloxacin shows excellent activity against resistant pathogens. It is effective in treating patients with bladder irritabilitMore

Benzidamine hydrochloride

CAS No: 132-69-4

Formula: C19H23N3O.ClH

Categories: Active Pharmaceutical Ingredients > Antipyretic Analgesics

Benzydamine Hcl is a locally-acting nonsteroidal anti-inflammatory drug with local anaesthetic and analgesic properties; selectively binds to prostaglandin synthetase and has notable in vitro antibacterial activity. More

Danofloxacin

CAS No: 112398-08-0

Formula: C19H20FN3O3

Categories: Active Pharmaceutical Ingredients > Synthetic Anti-infective Drugs

Antibacterial (veterinary).More

Cholestyramine

CAS No: 11041-12-6

Formula:

Categories: Active Pharmaceutical Ingredients > Absorbent

White or almost white, fine powder, hygroscopic.A synthetic, strongly basic anion exchange resin that contains functional quaternary ammonium groups linked to a styrene-divinylbenzene copolymer.White to buff-colored fine powder. Odorless or a slight amine odor. Insoluble in water. A synthetic strongly basic anion exchange resin in which quaternary ammonium groups are attached to a styrene/divinylbenzene copolymer chain. Cholestyramine (Cuemid,Questran) is the chloride form of a strongly baMore

Oxybutynin hydrochloride

CAS No: 1508-65-2

Formula: C22H31NO3.ClH

Categories: Active Pharmaceutical Ingredients > Urinary System Drugs

Oxybutynin is an anticholinergic medication used to relieve urinary and bladder difficulties.Target: mAChROxybutynin is an anticholinergic medication used to relieve urinary and bladder difficulties, including frequent urination and inability to control urination (urge incontinence), by decreasing muscle spasms of the bladder. Oxybutynin competitively antagonizes the M1, M2, and M3 subtypes of the muscarinic acetylcholine receptor. It also has direct spasmolytic effects on bladder smoothMore

Canagliflozin heMihydrate

CAS No: 928672-86-0

Formula: 2(C24H25FO5S).H2O

Categories: Active Pharmaceutical Ingredients > Other Chemical Drugs

Canagliflozin 0.5 H2O(JNJ 28431754; TA 7284) is a highly potent and selective SGLT2 inhibitor for hSGLT2 with IC50 of 2.2 nM, exhibits 413-fold selectivity over hSGLT1.IC50 value: 2.2 nMTarget: SGLT2Canagliflozin(JNJ 24831754ZAE; JNJ 28431754; JNJ 28431754AAA; TA 7284) is an experimental drug being developed by Johnson & Johnson for the treatment of type 2 diabetes.Canagliflozin(JNJ 24831754ZAE; JNJ 28431754; JNJ 28431754AAA; TA 7284) is an inhibitor of subtype 2 sodium-glucose transportMore

Telbivudine

CAS No: 3424-98-4

Formula: C10H14N2O5

Categories: Active Pharmaceutical Ingredients > Saccharides

Telbivudine, a specific inhibitor of hepatitis B virus (HBV) replication, is an antiviral drug used in the treatment of hepatitis B infection.Target: HBVTelbivudine is an antiviral drug used in the treatment of hepatitis B infection. It is marketed by Swiss pharmaceutical company Novartis under the trade names Sebivo (Europe) and Tyzeka (United States). Clinical trials have shown it to be significantly more effective than lamivudine or adefovir, and less likely to cause resistance. TelbiMore

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)

Feedback & Suggestions
Send Message

Thank you for your feedback. If you require further assistance, please contact us by email at info@echemi.com or call us at +86-532-55729510.