Specification Sheet
Product Name Casein from bovine milk,
suitable for substrate for protein kinase (after dephosphorylation), purified powder
Product Number C5890
Product Brand SIGMA
CAS Number 9000-71-9
 
TEST SPECIFICATION
Appearance (Color) White to Off-White
Appearance (Form) Powder
Solubility (Color) Yellow
Solubility (Turbidity) Slightly Hazy to Turbid
  50 mg/mL, 1N NaOH
Nitrogen 13.0 - 15.0 %
Suitability Suitable
  Suitable for dephosphorylating into substrate for
  protein kinase assays
Recommended Retest Period ------------------------------
  2 Years