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Merck
CN

Specification Sheet

Product Name
Dexamethasone 21-acetate VETRANAL®, analytical standard

Product Number
46166

Product Brand
sial

CAS Number
1177-87-3

Molecular Weight
434.50

Test

Specification

APPEARANCE (COLOR)White to Light Yellow to Light Beige
APPEARANCE (FORM)Powder or Crystals
PURITY (HPLC AREA %)≥ 98.0 %
SPECIFIC ROTATION (20/D)75.0 - 83.0 Degrees
CONCENTRATIONC= 1 in TRICHLOROMETHANE
MELTING POINT227 - 235 C
WATER≤ 1.0 %
PROTON NMR SPECTRUMCONFORMS TO STRUCTURE
EXPIRY PERIOD60 MONTHS