3970-03-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 3970-03-4 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 3,9,7 and 0 respectively; the second part has 2 digits, 0 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 3970-03:
(6*3)+(5*9)+(4*7)+(3*0)+(2*0)+(1*3)=94
94 % 10 = 4
So 3970-03-4 is a valid CAS Registry Number.