1272-29-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1272-29-3 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 2 respectively; the second part has 2 digits, 2 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1272-29:
(6*1)+(5*2)+(4*7)+(3*2)+(2*2)+(1*9)=63
63 % 10 = 3
So 1272-29-3 is a valid CAS Registry Number.