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L-Arginine|L-Arginine Hcl|L-Arginine Acetate|L-Histidine|L-Histidine Hcl Mono|L-Cystine|L-Cysteine Hcl Mono|L-Cysteine Hcl Anhy|L-Leucine|L-Tyrosine|L-Citrulline|L-Ornithine Hcl|S-Carboxymethyl-L-Cysteine|N-Acetyl-L-Cysteine|N-Acetyl-L-Tyrosine|3,5-Diodine-L-Tyrosine|D-Glucosamine Hcl|D-Glucosamine Sulfate 2KCL|D-Glucosamine Sulfate 2NaCL|Compound Amino Acid Powder--Shine Star (Hubei) Biological Engineering Co., Ltd.


L-Cystine Product Name: L-Cystine CAS NO.: 56-89-3 Standard: Export Standard Test Items Standard Specific rotation Appearance of solution Ammonium Sulfate Iron Heavy metals Arsenic Other amino acids Loss on drying Sulphated ash Assay PH -215° to -225° Clarity clear, color not more intensely coloured than reference solution Y 7 Max 200ppm. Max 200ppm. Max 20ppm Max 10ppm. Max 1ppm Not detectable. Max 0.2%. Max 0.1% 98.5% to 101.0% 5.0 to 6.5

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