867131-83-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 867131-83-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,6,7,1,3 and 1 respectively; the second part has 2 digits, 8 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 867131-83:
(8*8)+(7*6)+(6*7)+(5*1)+(4*3)+(3*1)+(2*8)+(1*3)=187
187 % 10 = 7
So 867131-83-7 is a valid CAS Registry Number.