α-Me-D-Cys-OH•HCl Product Catalog # Size Price (USD) Quantity α-Me-D-Cys-OH•HCl180309-1G1 g$2,000.00 - α-Me-D-Cys-OH•HCl-1g quantity + α-Me-D-Cys-OH•HCl180309-5G5 g$6,000.00 - α-Me-D-Cys-OH•HCl-5g quantity + Add to cart Description Synonym: (S)-D-alpha-Methylcysteine•HCl CAS #: 151062-55-4 Molecular Formula: C4H9NO2S•HCl Molecular Weight: 171.6