pharmaceutical source/animo acid high purity and quality of L-cysteine Hcl Anhyrous.amino acid animo acid L-cysteine HCL Anhydrous CAS NO 52-89-1Chemical Name L-cysteine HCL Anhydrous Molecular formula C3H7NO2S,HCL.H2OMolecular Weight 175.63Characteristics White crystalling Powder ,tasteless ,easily Soluble in water but insoluble in alcohol and ether Packing 25kg/drum,25kg/cartonQuality Standard ...