1270-76-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1270-76-4 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,2,7 and 0 respectively; the second part has 2 digits, 7 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 1270-76:
(6*1)+(5*2)+(4*7)+(3*0)+(2*7)+(1*6)=64
64 % 10 = 4
So 1270-76-4 is a valid CAS Registry Number.