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 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

Fenthion

CAS No: 55-38-9

Formula: C10H15O3PS2

Categories: Active Pharmaceutical Ingredients > Other Chemical Drugs

Fenthion is an organothiophosphate insecticide, avicide, and acaricide. Like most other organophosphates, it acts as a cholinesterase inhibitor
[1, 2]
. It has relatively low toxicity towards humans and mammals and is listed as moderately toxic compound in U.S. Environmental Protection Agency and World Health Organization toxicity class. However, it is highly toxic to birds. It can be used in agriculture and against mosquito larvae in tropical fresh waters
[2, 3]
.
FenthioMore

Pentoxifylline

CAS No: 6493-05-6

Formula: C13H18N4O3

Categories: Active Pharmaceutical Ingredients > Circulatory System Drugs

Pentoxifylline is a competitive nonselective phosphodiesterase inhibitor.Target: PDEPentoxifylline is a competitive nonselective phosphodiesterase inhibitor which raises intracellular cAMP, activates PKA, inhibits TNF and leukotriene synthesis, and reduces inflammation and innate immunity. In addition, pentoxifylline improves red blood cell deformability, reduces blood viscosity and decreases the potential for platelet aggregation and thrombus formation. Pentoxifylline is also an antagonMore

benazepril hydrochloride

CAS No: 215447-90-8

Formula: C24H28N2O5 HCl

Categories: Active Pharmaceutical Ingredients > Circulatory System Drugs

  • buy 2-[(3R)-3-[[(2S)-1-ethoxy-1-oxo-4-phenylbutan-2-yl]amino]-2-oxo-4,5-dihydro-3H-1-benzazepin-1-yl]acetic acid,hydrochloride

    2-[(3R)-3-[[(2S)-1-ethoxy-1-oxo-4-phenylbutan-2-yl]amino]-2-oxo-4,5-dihydro-3H-1-benzazepin-1-yl]acetic acid,hydrochloride

    Inquiry

CLEMASTINE FUMARATE

CAS No: 15686-51-8

Formula: C21H26ClNO

Categories: Active Pharmaceutical Ingredients > Antiallergic Drugs

ChEBI: 2-[(2R)-1-Methylpyrrolidin-2-yl]ethanol in which the hydrogen of the hydroxy group is substituted by a 1-(4-chlorophenyl)-1-phenylethyl group (R configuration). An antihistamine with antimuscarinic and moderate sedative pr perties, it is used as its fumarate salt for the symptomatic relief of allergic conditions such as rhinitis, urticaria, conjunctivitis and in pruritic (severe itching) skin conditions.More

Flunarizine

CAS No: 52468-60-7

Formula: C26H26F2N2

Categories: Active Pharmaceutical Ingredients > Circulatory System Drugs

SolidMore

Phenazopyridine

CAS No: 94-78-0

Formula: C11H11N5

Categories: Active Pharmaceutical Ingredients > Urinary System Drugs

Phenazopyridine is a red crystalline compound. Slightly soluble in water.More

Decoquinate

CAS No: 18507-89-6

Formula: C24H35NO5

Categories: Active Pharmaceutical Ingredients > Veterinary Raw Materials

Off-White to Pale Yellow SolidDecoquinate is a new type highly-efficienct quinolones anti-coccidiosis for livestock and poultry, commonly known as quinoxetine, decanoquinolate, paclitaxel, to quinolate, benzoquinone. The active compound is white or slightly yellow crystalline powder, rarely soluble in chloroform or ether, insoluble in water or ethanol. It has a unique anti-coccidial activity stronger than Maduramicin, nicarbazine + Ethanamidobenzylate, methyl salicin. Studies have shown that deMore

1122 Active Pharmaceutical Ingredients Suppliers

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

Fluvoxamine maleate

CAS No: 61718-82-9

Formula: C15H21F3N2O2.C4H4O4

Categories: Active Pharmaceutical Ingredients > Inhibitor Drugs

Fluvoxamine maleate is an antidepressant which functions pharmacologically as a selective serotonin reuptake inhibitor.Target: SSRIsFluvoxamine (maleate) is the maleate salt form of fluvoxamine, which is effective in inhibiting 5-HT uptake by blood platelets and brain synaptosomes. The antagonism by fluvoxamine of the reserpine-induced lowering of the pentamethylenetetrazole convulsive threshold can be regarded as due to an effect upon 5-HT uptake. In contrast to the effects of desmethylMore

Hexafluoroacetylacetone

CAS No: 1522-22-1

Formula: C5H2F6O2

Categories: Active Pharmaceutical Ingredients > Other Chemical Drugs

clear colorless to slightly yellow liquidHEXAFLUOROACETYLACETONE acts as a chelating ligand. For example, it can forms metal-chelate complexes with Ca(II), Zn (II), Cu(II), Ni(II), Co(II), Nd(III), Rh(III), Fe(III) and Cr(III), making it be useful in extracting related metal ions. It can also be used as liquid crystal intermediate. More

Psoralen

CAS No: 66-97-7

Formula: C11H6O3

Categories: Active Pharmaceutical Ingredients > Specialty Drugs

Psoralen(Furocoumarin) is an active ingredient from Fructus Psoraleae; has anticancer activity.IC50 value:Target:in vitro: Psoralen dosages of 1-10 μM exhibited low cytotoxicity toward chondrocytes. However, a dosage of 100 μM suppressed the proliferation of chondrocytes. Different concentrations of psoralen treatments on chondrocytes revealed that GAG and Type II collagen synthesis increased, especially at 100 μM, by 0.39-fold and 0.48-fold, respectively, on day 3, and by 0.51-fold andMore

Etoricoxib

CAS No: 202409-33-4

Formula: C18H15ClN2O2S

Categories: Active Pharmaceutical Ingredients > Antipyretic Analgesics

Etoricoxib is a non steroidal anti-inflammatory agent, acting as a selective and orally active COX-2 inhibitor, with IC50s of 1.1 μM and 116 μM for COX-2 and COX-1 in human whole blood. More

Tedizolid

CAS No: 856866-72-3

Formula: C17H15FN6O3

Categories: Active Pharmaceutical Ingredients > Antibacterials

Tedizolid is a novel oxazolidinone, acting through inhibition of bacterial protein synthesis by binding to 23S ribosomal RNA (rRNA) of the 50S subunit of the ribosome. More

Vidarabine

CAS No: 5536-17-4

Formula: C10H13N5O4

Categories: Active Pharmaceutical Ingredients > Synthetic Anti-infective Drugs

Vidarabine is an antiviral drug which is active against herpes simplex and varicella zoster viruses.Target: DNA/RNA SynthesisVidarabine is a nucleoside antibiotic isolated from Streptomyces antibioticus. It has some antineoplastic properties and has broad spectrum activity against DNA viruses in cell cultures and significant antiviral activity against infections caused by a variety of viruses such as the herpes viruses, the vaccinia VIRUS and varicella zoster virus [1]. 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)

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.