Specification Sheet
Product Name Colchicine,
plant cell culture tested, ≥95% (HPLC)
Product Number C3915
Product Brand SIGMA
CAS Number 64-86-8
Molecular Weight 399.44
 
TEST SPECIFICATION
APPEARANCE WHITE TO YELLOW POWDER
SOLUBILITY CLEAR TO SLIGHTLY HAZY YELLOW TO YELLOW-GREEN SOLUTION AT 200MG PLUS 4ML OF ETHANOL
CARBON 62.8-67.5%
NITROGEN 3.2-3.8%
H-NMR SPECTRUM CONSISTENT WITH STRUCTURE
PURITY BY HPLC > OR = 95%
IMPURITIES < OR = 10% ETHYL ACETATE
PERFORMANCE TEST PASS
DOCUMENT # C3915/01/26/09/4