Specification Sheet

Product Name
Retinol ≥95.0% (HPLC), ~2700 U/mg

Product Number
17772

Product Brand
SIGMA

CAS Number
68-26-8

Molecular Weight
286.45

Test

Specification

APPEARANCE (COLOR)Faint Yellow to Very Dark Yellow
APPEARANCE (FORM)Powder or Crystals
PURITY (HPLC AREA %)≥ 95.0 %
MELTING POINT56 - 61 C
SOLUBILITY (COLOR)Yellow to Very Dark Yellow and Green-Yellow to Very Dark Green-Yellow
SOLUBILITY (TURBIDITY)Clear to Hazy
SOLUBILITY (METHOD)0.25G IN 5ML DIOXANE
WATER≤ 1.0 %
WAVELENGTH (1) (UV)320 - 330 nm
ASSAY (1) (UV)≥ 81.3 % (corresponds to 2700 U/mg)
RECOMMENDED RETEST PERIOD10 MONTHS

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