29947-25-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 29947-25-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,9,9,4 and 7 respectively; the second part has 2 digits, 2 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 29947-25:
(7*2)+(6*9)+(5*9)+(4*4)+(3*7)+(2*2)+(1*5)=159
159 % 10 = 9
So 29947-25-9 is a valid CAS Registry Number.