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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

Miconazole

CAS No: 22916-47-8

Formula: C18H14Cl4N2O

Categories: Active Pharmaceutical Ingredients > Inhibitor Drugs

Miconazole (Monistat) is an imidazole antifungal agent.Target: AntifungalMiconazole is an imidazole antifungal agent, developed by Janssen Pharmaceutica, commonly applied topically to the skin or to mucous membranes to cure fungal infections. It works by inhibiting the synthesis of ergosterol, a critical component of fungal cell membranes. It can also be used against certain species of Leishmania protozoa which are a type of unicellular parasite that also contain ergosterol in their cellMore

Enalapril

CAS No: 75847-73-3

Formula: C20H28N2O5

Categories: Active Pharmaceutical Ingredients > Circulatory System Drugs

Enalapril is an angiotensin converting enzyme (ACE) inhibitorTarget: ACEEnalapril belongs to a class of medications called angiotensin converting enzyme inhibitors. Normally angiotensin I is converted to angiotensin II by angiotensin converting enzyme (ACE). Angiotensin II constricts blood vessels, increasing blood pressure. By inhibiting ACE, Enalapril decreases levels of angiotensin II leading to less vasoconstriction and decreased blood pressure. More

TANNIC ACID

CAS No: 5424-20-4

Formula: C76H52O46

Categories: Active Pharmaceutical Ingredients > Feed Additive

Tilmicosin

CAS No: 108050-54-0

Formula: C46H80N2O13

Categories: Active Pharmaceutical Ingredients > Antibiotics

It is white or white powder with humidity: ≤5.0%. White SolidTilmicosin is a relatively novel semi-synthetic macrolide antibiotics derived from tylosin for being applied to livestock and poultry. The chemical name is 4A-O-de (2, 6-dideoxy-methyl-3-C--L-ribose-pyran-hexyl)-20-deoxy-20-(3,5-dimethyl-1-piperidinyl)-[20 (cis: trans)] tylosin. Molecule formula is C46H80N2O13 and the molecular weight of 869.15. More

Oxaliplatin

CAS No: 61825-94-3

Formula: C8H14N2O4Pt

Categories: Active Pharmaceutical Ingredients > Antineoplastic Agents

Oxaliplatin is a DNA synthesis inhibitor. It causes DNA crosslinking damage, prevents DNA replication and transcription and causes cell death.More

Retinoic acid

CAS No: 302-79-4

Formula: C20H28O2

Categories: Active Pharmaceutical Ingredients > Specialty Drugs

Retinoic acid is a metabolite of vitamin A that plays important roles in cell growth, differentiation, and organogenesis. Retinoic acid is a natural agonist of RAR nuclear receptors, with IC50s of 14 nM for RARα/β/γ. Retinoic acid bind to PPARβ/δ with Kd of 17 nM.More

Lamivudine

CAS No: 134678-17-4

Formula: C8H11N3O3S

Categories: Active Pharmaceutical Ingredients > Synthetic Anti-infective Drugs

Lamivudine is a nucleoside reverse transcriptase inhibitors?(NRTIs). Lamivudine can inhibit HIV reverse transcriptase 1/2 and also the reverse transcriptase of hepatitis B virus. More

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Dapoxetine hydrochloride

CAS No: 129938-20-1

Formula: C21H24ClNO

Categories: Active Pharmaceutical Ingredients > Circulatory System Drugs

Off-white CrystPE is the most common form of male sexual dysfunction affecting20-40% of men globally at some point in their lives. Ejaculation is areflex comprising different sensory pathways, motor centers, and nervepathways. This ejaculatory reflex has been shown to be controlledprimarily by serotonin and dopamine. Dapoxetine isa short-acting SSRI. It is differentiated from the existing SSRI treatmentsfor PE by the fact that it can be administered on an as-needed basis. InhealMore

Sodium sulfate

CAS No: 7757-82-6

Formula: H2O4S.2Na

Categories: Active Pharmaceutical Ingredients > Viscosity Controlling

Sodium sulfate, also known by its chemical formula Na2SO4, is an inorganic compound that is commonly encountered in the form of a white crystalline solid or as a fine powder. This substance is renowned for its high solubility in water, meaning it can easily dissolve in liquid to form a clear solution. Additionally, sodium sulfate exhibits a neutral pH level, which indicates that it is neither acidic nor basic when dissolved in water. This neutrality makes it a useful compound in various industrial and laboratory applications.More

Losartan potassium

CAS No: 124750-99-8

Formula: C22H23ClN6O.K

Categories: Active Pharmaceutical Ingredients > Circulatory System Drugs

White to Off-White Crystalline PowderAs a angiotensin II receptor antagonist, Losartan Potassium is the potassium salt of losartan with antihypertensive activity, which is mainly used in the therapy of high blood pressure (hypertension) and diabetic nephropathy. It functions by relaxing blood vessels so that blood can flow more easily. It is also effective to help protect the kidneys from damage caused by diabetes and lower the risks of stroke in patients suffering from hypertensionMore

Adapalene

CAS No: 106685-40-9

Formula: C28H28O3

Categories: Active Pharmaceutical Ingredients > Specialty Drugs

White Crystalline SolidChEBI: A naphthoic acid that is CD437 in which the phenolic hydroxy group has been converted to its methyl ether.Adapalene, a new class of drugs Naphthoic acid derivatives, was developed by France Galdeama Laboratories Company. It first entered into market in June 1996, under the trade name ''Differin'', mainly used for relieving inflammatory skin lesions, adjusting differentiation of hair follicles, gland epithelial cells, and also acne treatment.More

DL-Menthol

CAS No: 1490-04-6

Formula: C10H20O

Categories: Active Pharmaceutical Ingredients > Refreshing

Menthol is a natural analgesic compound. Menthol could cause a feeling of coolness due to stimulation of ‘cold’ receptors by inhibiting Ca++ currents of neuronal membranes[1].More

Voriconazole

CAS No: 137234-62-9

Formula: C16H14F3N5O

Categories: Active Pharmaceutical Ingredients > Synthetic Anti-infective Drugs

Cyrstalline SolidVoriconazole was introduced in the US for the treatment of acute invasive aspergillosis, candidosis and other emerging fungal infections seen in immuno compromised patients. It can be synthesized in 3 steps by reaction of readily available 6-( 1 -bromoethyl)-4-chloro-5 fluoropyrimidine with I-(2,4-difluorophenyl)-2-(1,2,4-triazol-I-yl) ethanone in the presence of zinc metal. The resulting racemic mixture was submitted to a reductive dechlorination step followed by resolutiMore

Aceclofenac

CAS No: 89796-99-6

Formula: C16H13Cl2NO4

Categories: Active Pharmaceutical Ingredients > Antipyretic Analgesics

Aceclofenac is a non-steroidal anti-inflammatory drug (NSAID) analog of Diclofenac.Target: COXAceclofenac is a non-steroidal anti-inflammatory drug (NSAID) analog of Diclofenac. It is used for the relief of pain and inflammation in rheumatoid arthritis, osteoarthritis and ankylosing spondylitis. Aceclofenac has higher anti-inflammatory action than conventional NSAIDs. It is a cytokine inhibitor. Aceclofenac works by blocking the action of a substance in the body called cyclo-oxygenase. CMore

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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