129779-43-7 Usage
Uses
(3β,20S)-21-Iodo-20-methyl-pregn-3-en-3-ol Acetate is an intermediate in the synthesis of hydroxy derivatives of cholesterol (C432501).
Check Digit Verification of cas no
The CAS Registry Mumber 129779-43-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,9,7,7 and 9 respectively; the second part has 2 digits, 4 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 129779-43:
(8*1)+(7*2)+(6*9)+(5*7)+(4*7)+(3*9)+(2*4)+(1*3)=177
177 % 10 = 7
So 129779-43-7 is a valid CAS Registry Number.