Carbestein

English name: S-Carboxymethyl-L-Cysteine; 3-Carboxymethylthio-L-alanine; Carbocysteine
Other names: Carboxetine; S-Carboxymethylcysteine
CAS number: 638-23-3
C5H9NO4S = 179.19

Level: BR
Content: ≥99.0%
Specific rotation: -33.5 ° ～ -36.5 °
PH: 2.0 ～ 3.5

Chloride: ≤0.04%

Ammonium salt: ≤0.02%

Heavy metals: ≤10ppm

Iron salt: ≤10ppm

Arsenic salt: ≤1ppm

Sulfate: ≤0.02%

Loss on drying: ≤0.30%

Burning residue: ≤0.10%
Properties: white crystal or crystalline powder, odorless, slightly sour taste. This product is slightly soluble in hot water, slightly soluble in water, insoluble in ethanol, glacial acetic acid and acetone, easily soluble in acid or alkali solutions. Use: Biochemical research Storage: RT

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