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E4250 SIGMA
(−)-Epinephrine
Synonym: (−)-Adrenalin, (R)-(−)-3,4-Dihydroxy-α-(methylaminomethyl)benzyl alcohol, L-Adrenaline, L-Epinephrine
CAS Number 51-43-4
Linear Formula (HO)2C6H3CH(OH)CH2NHCH3
Molecular Weight 183.20
Appearance (Color) White to Off-White
Appearance (Form) Powder
Solubility (Color) Colorless to Faint Yellow-Brown
Solubility (Turbidity) Clear
at 50 mg/ml in 0.5 M HCl
Specific Rotation -52.0 - -50.0 °
(c = 2 in 0.5 M HCl at 25 deg C)
Infrared spectrum Conforms to Structure
Titration by HCLO4 > 99 % _
Purity (HPLC) > 99 % |