chemical-categories

?-Glu-Cys

Name gamma-L-Glutamyl-L-cysteineSynonyms L-gamma-Glutamyl-L-cysteine; gamma-Glu-CysMolecular Structure  Molecular Formula C₈H₁₄N₂O₅SMolecular Weight 250.27CAS Registry Number 636-58-8

5-Nitroisatin

5-Nitroisatin is used as an intermediate for agrochemicals or medicines.

Dicyandiamide

High purity Dicyandiamide. White crystal. Assay 99.7% min.

salicylic acid

Medical Salicylic Acid (GYZZH20046737)

Annual output: 4000 MT

Chemical name: Benzoic acid,-2hydroxcy

Molecular formula: C7H6O3

CAS: 69-72-7

Structure formula:

Standard: BP/USP/EP/CP/JP

Physical and Chemical Properties:White crystal or crystal powders,and sweets first and then hot,no chemical changes in the air.Atmospherically sublimation temperature over 76oC.Easily to decarboxylate and change into phenol and dioxide when heated atmospherically,and its aqueous solution appears acid reaction,becomes purple with FeCL3.Slightly dissolves in water but dissolves in boiling water easily.Dissolves in the ethanol or ether and slightly soluble in chloroform.

Specification:

Appearance: White crystal or crystal powders

Clarity and color of solution: Meet the requirement.

Loss of drying: ≤0.5%

Sulfate ash: ≤0.1%

Assay: 99.0-100.5%

Moisture: ≤0.40%

Heavy metals: ≤20ppm

Sulfate: ≤200ppm

M.P.: ≥158oC

Phenol: ≤0.10%

Usage: Medicine of disinfection and antiseptic for dissolving skin cutin hyperplasia and skin mould infection.

Packing: To abroad market, 25kg in fiberboard-made pail attached with paper or polyethylene bag inside; to domestic sale, in polypropylene bag attached with polyethylene bag inside 25kg each.

Storage: Dry place in sealed container.

Our company may produce and pack according to customer's requirement.

Sodium Tungstate

Sodium Tungstate a tungstate of sodium, is useful as a source of tungsten. It is prepared from tungsten ores used to manufacture tungsten by reducing.It is used as catalyst for epoxidation of alkenes and oxidation of alcohols into aldehydes or ketones.It is also used for treatment of diabetes in animal. It is also used in the dye and textile industry,intermediate in preparation of tungsten compounds, fire proofing fabrics & cellulose, alkaloid precipitant.

Valeryl Chloride

Valeryl Chloride is a C-5 acyl halide.It is widely used in agrochemicals and pharmaceuticals manufacturing. It is also used as an intermediate for dyes, textile auxiliaries, peroxide compounds.

3-Indoleacetamide

3-Indoleacetamide is used in medical intermediate.

7-Ethyltryptophol

7-Ethyltryptophol is used as intermediate of etodolac drugs.

Benzophenone Imine

Benzophenone Imine used as pharmaceutical intermediate,and for stains ,dyes.

DOLASTATIN 10 99