L-TRYPTOPHAN extrapure CHR for biochemistry

Product Code

204831

Product Name

L-TRYPTOPHAN extrapure CHR
for biochemistry

CAS Number

73-22-3

Classification

L-TRYPTOPHAN extrapure CHR

Specifications

C11H12N2O2 M.W. 204.23
DESCRIPTION ........... white crystalline powder
SOLUBILITY ........... 10% aq soln in 2N HCl is clear & colourless
ASSAY(NT) ............. min 99%
SPECIFIC ROTATION ..... -33?? to -30??; c=1, H2O
LOSS ON DRYING ........ max 0.5%
SULPHATED ASH ......... max 0.1%
CHLORIDE(Cl) .......... max 0.01%
SULPHATE(SO4) ......... max 0.01%
IRON(Fe) .............. max 0.001%
HEAVY METALS(Pb) ...... max 0.001%
AMMONIUM(NH4) ......... max 0.01%
Homogeneity(TLC) ...... passes test

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