388-13-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 388-13-6 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 3,8 and 8 respectively; the second part has 2 digits, 1 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 388-13:
(5*3)+(4*8)+(3*8)+(2*1)+(1*3)=76
76 % 10 = 6
So 388-13-6 is a valid CAS Registry Number.