7071-13-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 7071-13-8 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 7,0,7 and 1 respectively; the second part has 2 digits, 1 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 7071-13:
(6*7)+(5*0)+(4*7)+(3*1)+(2*1)+(1*3)=78
78 % 10 = 8
So 7071-13-8 is a valid CAS Registry Number.