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Merck
CN

Specification Sheet

Product Name
Kynurenic acid analytical standard

Product Number
94539

Product Brand
supelco

CAS Number
492-27-3

Molecular Weight
189.17

Test

Specification

APPEARANCE (COLOR)White to Yellow
APPEARANCE (FORM)Powder to Crystals
CARBON CONTENT62.2 - 65.8% (anhydrous basis)
NITROGEN CONTENT7.1 - 7.7% (anhydrous basis)
PROTON NMR SPECTRUMCONFORMS TO STRUCTURE
PURITY (HPLC AREA %)≥ 98.0 %
WATER≤ 10.0 %
EXPIRY PERIOD36 MONTHS