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Merck
CN

Specification Sheet

Product Name
5-Hydroxyindole-2-carboxylic acid ≥96.5%

Product Number
143510

Product Brand
aldrich

CAS Number
21598-06-1

Molecular Weight
177.16

Test

Specification

APPEARANCE (COLOR)WHITE TO YELLOW TO TAN
APPEARANCE (FORM)Powder
TITRATION (T) NAOH 0.1M96.5 - 103.5 %
PURITY (HPLC AREA %)≥ 97.5 %
SOLUBILITY (COLOR)Yellow to Very Dark Yellow to Very Dark Brown
SOLUBILITY (TURBIDITY)Clear to Slightly Hazy
SOLUBILITY (METHOD)50MG/ML IN CHLOROFORM:ETHANOL (1:1)
INFRARED SPECTRUMCONFORMS TO STRUCTURE