Specification Sheet
Product Name (R)-(−)-2-Oxothiazolidine-4-carboxylic acid,
≥97% (TLC), ≥98% (titration)
Product Number O6254
Product Brand SIGMA
CAS Number 19771-63-2
Molecular Weight 147.15
 
TEST SPECIFICATION
APPEARANCE (COLOR) White to Off White
APPEARANCE (FORM) Powder
TITRATION (T) NAOH 0.1M ≥ 98%
PURITY (TLC AREA %) ≥ 97 %
SPECIFIC ROTATION (20/D) -66 to -61 Degrees
CONCENTRATION c = 1% in water at 20 DegC
SOLUBILITY (COLOR) Colorless to Faint Yellow
SOLUBILITY (TURBIDITY) Clear to Slightly Hazy
SOLUBILITY (METHOD) 50MG/ML IN WATER
PROTON NMR SPECTRUM CONFORMS TO STRUCTURE