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Product Name 5-Bromo-4-chloro-3-indolyl α-D-N-acetylneuraminic acid sodium salt,
≥90%
Product Number B4666
Product Brand SIGMA
CAS Number 160369-85-7
Molecular Weight 559.72
Storage Temp −20°C
TEST SPECIFICATION
APPEARANCE WHITE TO OFF-WHITE POWDER
SOLUBILITY CLEAR COLORLESS TO FAINT YELLOW SOLUTION AT 50 MG PLUS 1 ML OF WATER
WATER CONTENT BY KARL FISCHER < OR = 9.5%
SOLVENT CONTENT BY GAS CHROMATOGRAPHY < OR = 6.0%
ICP-ATOMIC EMISSION 2.5% TO 5.5% *
NITROGEN 4.6% TO 5.4% *
PURITY BY HPLC > OR = 90%
ENZYMATIC SUITABILITY SUITABLE FOR USE AS A CHROMOGENIC SUBSTRATE FOR DETECTION OF BETA-NEURAMINIDASE
* WATER AND SOLVENT-FREE BASIS
DOCUMENT # B4666/04/29/09/1