31136-80-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 31136-80-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,1,1,3 and 6 respectively; the second part has 2 digits, 8 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 31136-80:
(7*3)+(6*1)+(5*1)+(4*3)+(3*6)+(2*8)+(1*0)=78
78 % 10 = 8
So 31136-80-8 is a valid CAS Registry Number.