791787-74-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 791787-74-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 7,9,1,7,8 and 7 respectively; the second part has 2 digits, 7 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 791787-74:
(8*7)+(7*9)+(6*1)+(5*7)+(4*8)+(3*7)+(2*7)+(1*4)=231
231 % 10 = 1
So 791787-74-1 is a valid CAS Registry Number.