787631-74-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 787631-74-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 7,8,7,6,3 and 1 respectively; the second part has 2 digits, 7 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 787631-74:
(8*7)+(7*8)+(6*7)+(5*6)+(4*3)+(3*1)+(2*7)+(1*4)=217
217 % 10 = 7
So 787631-74-7 is a valid CAS Registry Number.