3515-02-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 3515-02-4 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 3,5,1 and 5 respectively; the second part has 2 digits, 0 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 3515-02:
(6*3)+(5*5)+(4*1)+(3*5)+(2*0)+(1*2)=64
64 % 10 = 4
So 3515-02-4 is a valid CAS Registry Number.