CAS：305-03-3 Chlorambucil 99％

クロランブシル

CAS：305-03-3

純度：99％

CHLORAMBUCIL

chloroambucil

4-(p-N,N-Di-(beta-chloroethyl)aminophenyl)butyric acid

CHLOCAMBUCIL Items Specifications Results Appearance White or off-white crystalline powder off-white crystalline powder   Water ≤0.5% 0.09% Identification A IR B dissolve 50mg in 5ml of acetone and dilute with water to 10ml. Add 1 drop of 2 N sulfuric acid, then add 4 drops of silver nitrate TS: no opalescence is observed immediately( absence of chloride ion) warm the solution on a steam bath opalescence develops(presence of ionizable chlorine) Conforms Solubility Color: colorless or faint brown Turbidity: clear Method:100mg/ml in ethanol Clear and colorless  Melting point 65-69°c 65.4-65.5°c Assay 98.0-101% 100.8% Particle size 100% ≤ 15µm Conforms HPLC Purity ≥99.0% 99.9% Residual solvent Ethyl acetate≤5000ppm 1100ppm Sopropanol≤5000ppm 1000ppm Toluene≤890ppm 450ppm N-hexane≤290ppm 160ppm Storage Condition Preserve in tight, light-resistant containers, and long term storage 2-8℃ Conclusion The product conforms to the usp42 specifications

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