Certificate Of Analysis
Product Name Taurine,
suitable for cell culture, meets USP testing specifications
Product Number T8691
Product Brand SIGMA
CAS Number 107-35-7
Molecular Formula NH2CH2CH2SO3H
Molecular Weight 125.15
 
TEST SPECIFICATION LOT 068K0012 RESULTS
ORIGIN MUST BE NON-ANIMAL SOURCE CONFORMS **
APPEARANCE WHITE CRYSTALLINE POWDER PASS **
SOLUBILITY CLEAR COLORLESS SOLUTION AT 0.25G TO 10ML OF WATER PASS **
NINHYDRIN-POSITIVE SUBSTANCES (OTHER AMINO ACIDS) CONFORMS CONFORMS **
IR SPECTRUM CONSISTENT WITH STRUCTURE CONFORMS
IRON < OR = 0.003% PASS **
CHLORIDE < OR = 0.010% PASS **
AMMONIUM < OR = 0.02% PASS **
SULFATE < OR = 0.010% PASS **
HEAVY METALS < OR = 10 PPM PASS **
ARSENIC < OR = 2 PPM PASS **
LOSS ON DRYING < OR = 0.20% 0.01%**
RESIDUE ON IGNITION < OR = 0.10% 0.01%**
ASSAY (DRY BASIS) 98.5 TO 101.0% 99.7%**
RESIDUAL SOLVENTS MEETS THE REQUIREMENTS CONFORMS (NO SOLVENTS USED) **
ENDOTOXIN ASSAY < OR = 1 EU/MG <0.1 EU/MG
CELL CULTURE TEST PASS PASS
CELL LINE 3T3, L929, CHO
**SUPPLIER'S INFORMATION
RECOMMENDED RETEST 4 YEARS NOVEMBER 2012
QC RELEASE DATE NOVEMBER 2008