147991-79-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 147991-79-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,7,9,9 and 1 respectively; the second part has 2 digits, 7 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 147991-79:
(8*1)+(7*4)+(6*7)+(5*9)+(4*9)+(3*1)+(2*7)+(1*9)=185
185 % 10 = 5
So 147991-79-5 is a valid CAS Registry Number.