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pubchem.ncbi.nlm.nih.gov

PubChem is the world's largest collection of freely accessible chemical information. Search chemicals by name, molecular formula, structure, and other identifiers. Find chemical and physical properties, biological activities, safety and toxicity information, patents, literature citations and more.

chemspider.com

a free chemical structure database providing fast text and structure search access to over 130 million structures from hundreds of data sources.

guidechem.com

Tetrahydrofuran prices with latest price data, historical trends, price sources, and market analysis. Track global Tetrahydrofuran prices and insights on GuideTrends.

tcichemicals.com

tci is a global manufacturer of chemicals for research and development, with reagents for chemistry, life science, materials science, and analytical chemistry.

chemsrc.com

【L-精氨酸】化源网提供L-精氨酸CAS号74-79-3，L-精氨酸MSDS及其说明、性质、英文名、生产厂家、作用/用途、分子量、密度、沸点、熔点、结构式等。CAS号查询L-精氨酸上化源网，专业又轻松。

echemi.com

ECHEMI is a global chemical industry B2B website. You can find leading manufacturing companies, top suppliers & quality chemical products here. We help you complete chemical business in the world.

scbt.com

Santa Cruz Biotechnology Support Products includes a broad range of lysates, proteins, purification reagents, and more for research applications.

bldpharm.com

bldpharm provides a catalog over 600,000+ products, including building blocks, advanced intermediates, amino acids and peptides, catalysts and ligands, natural products, nucleotides, etc. over 1,000 novel chemicals are continually added into bld's product list on a monthly basis.

alfa-chemistry.com

provide the chemical, particularly the pharmaceutical industry,custom made intermediates, carbohydrates, heterocyclic, chiral compounds and fine chemicals,environmental remediation products.