Specification Sheet
Product Name Oxaloacetic acid,
≥98%
Product Number O4126
Product Brand SIGMA
CAS Number 328-42-7
Molecular Weight 132.07
Storage Temp −20°C
 
TEST SPECIFICATION
APPEARANCE WHITE TO OFF-WHITE POWDER
SOLUBILITY CLEAR TO SLIGHTLY HAZY COLORLESS TO LIGHT YELLOW SOLUTION AT 100MG/ML IN WATER
NMR SPECTRUM CONSISTENT WITH STRUCTURE
PURITY BY NAOH TITRATION > OR = 98%
PURITY BY ENZYMATIC ASSAY > OR = 98%
RECOMMENDED RETEST 6 YEARS
DOCUMENT # O4126/01/30/09/6