Supplier Directory

50,000+ verified chemical and pharmaceutical manufacturers and distributors across 200+ countries.

Sigma-Aldrich

GermanyManufacturerEst. 1935

Global leader in life science and high technology. Provides chemical, biochemical, and other essential products for research and manufacturing.

ReagentsSolventsAPIsFine Chemicals
ISO 9001GMPcGMP

12,400+

compounds

TCI Chemicals

JapanManufacturerEst. 1946

Leading manufacturer of organic chemicals for research and development, with a catalogue of over 28,000 products.

Organic ChemicalsReagentsIntermediates
ISO 9001ISO 14001

8,200+

compounds

Alfa Aesar

USAManufacturerEst. 1963

A leading manufacturer and supplier of research chemicals, metals and materials for a wide span of applications.

MetalsCatalystsOrganicsInorganics
ISO 9001GMP

9,800+

compounds

Merck KGaA

GermanyManufacturerEst. 1668

Science and technology company with a portfolio spanning healthcare, life science, and electronics.

APIsExcipientsSolventsSpecialty Chemicals
ISO 9001GMPcGMPISO 14001

15,600+

compounds

Fisher Scientific

USADistributorEst. 1902

Global distributor of laboratory equipment, chemicals, and supplies serving science, education, and industry.

Laboratory ChemicalsSolventsReagents
ISO 9001

6,700+

compounds

Honeywell Fluka

SwitzerlandManufacturerEst. 1950

Manufacturer of high-purity analytical standards and reagents for chromatography, spectroscopy, and other analytical techniques.

Analytical StandardsSolventsInorganics
ISO 9001ISO/IEC 17025

5,400+

compounds