1227-53-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1227-53-8 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,2,2 and 7 respectively; the second part has 2 digits, 5 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 1227-53:
(6*1)+(5*2)+(4*2)+(3*7)+(2*5)+(1*3)=58
58 % 10 = 8
So 1227-53-8 is a valid CAS Registry Number.