311787-79-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 311787-79-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,1,1,7,8 and 7 respectively; the second part has 2 digits, 7 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 311787-79:
(8*3)+(7*1)+(6*1)+(5*7)+(4*8)+(3*7)+(2*7)+(1*9)=148
148 % 10 = 8
So 311787-79-8 is a valid CAS Registry Number.