Specification Sheet
Product Name (1R,2S)-(−)-Norephedrine,
99%
Product Number 282553
Product Brand ALDRICH
CAS Number 492-41-1
Molecular Weight 151.21
 
TEST SPECIFICATION
Appearance (Color) White to Off-White
Appearance (Form) Conforms to Requirements
  Crystals, Granules and/or Powder
Infrared spectrum Conforms to Structure
Purity (Titration by HClO4) 98.5 - 101.5 %
Optical Rotation -42.0 - -38.0 deg
  c = 6% - 8%; 1N HCL
Purity (TLC) ≥99 %
Solubility (Turbidity) Clear
  c = 50 mg/ml (5%); Water
Solubility (Color) Colorless to Light Yellow