Specification Sheet
Product Name DL-Homocysteine,
≥95% (titration)
Product Number H4628
Product Brand SIGMA
CAS Number 454-29-5
Molecular Weight 135.18
Storage Temp −20°C
 
TEST SPECIFICATION
APPEARANCE WHITE TO OFF-WHITE TO LIGHT PINK POWDER
SOLUBILITY CLEAR TO SLIGHTLY HAZY COLORLESS TO FAINT YELLOW SOLUTION AT 50MG/ML IN 1M HYDROCHLORIC ACID
IDENTITY CONSISTENT WITH STRUCTURE BY IR OR NMR
SPECIFIC ROTATION ZERO DEG (C=1 IN WATER)
PURITY BY IODINE TITRATION MINIMUM 95%
RECOMMENDED RETEST 3 YEARS
DOCUMENT # H4628/08/12/99/1