1-Methyl-2-pyrrolidineethanol Clemastine fumarate 2-(2-Hydroxyethyl)-1-methylpyrrolidine
Appearance: Colorless to pale yellow viscous liquid
Identification IR: IR spectrum of the sample corresponds to that of reference standard
Specific rotation [α]D20 -3.0°~ +1.0°(C=2, in methanol)
pH: 11.0 ~ 12.0
Water: ≤1.0%
TLC Purity: Single spot
Purity (GC): ≥99.0%
Appearance: Colorless to pale yellow viscous liquid
Identification IR: IR spectrum of the sample corresponds to that of reference standard
Specific rotation [α]D20 -3.0°~ +1.0°(C=2, in methanol)
pH: 11.0 ~ 12.0
Water: ≤1.0%
TLC Purity: Single spot
Purity (GC): ≥99.0%
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