C2505 Sigma
Corticosterone ≥92%
Synonym: 11β,21-Dihydroxy-4-pregnene-3,20-dione 11β,21-Dihydroxyprogesterone 4-Pregnene-11β,21-diol-3,20-dione Kendall’s Compound B Reichstein’s Substance H
Product Name Corticosterone,
≥92%
Product Number C2505
Product Brand SIGMA
CAS Number 50-22-6
Molecular Weight 346.46
TEST SPECIFICATION
Appearance (Color) White to Off-White
Appearance (Form) Powder
Solubility (Color) Colorless to Faint Yellow
Solubility (Turbidity) Clear
  50 mg/mL, CHCl3
Infrared spectrum Conforms to Structure
Specific Rotation 219 - 226 °
  (C=1.1 in EtOH at 20 DEG C)
EMM 15.8 - 16.7
  in EtOH
Wavelength 241 - 242 nm
Purity (HPLC) ≥92 %