272123-64-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 272123-64-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,7,2,1,2 and 3 respectively; the second part has 2 digits, 6 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 272123-64:
(8*2)+(7*7)+(6*2)+(5*1)+(4*2)+(3*3)+(2*6)+(1*4)=115
115 % 10 = 5
So 272123-64-5 is a valid CAS Registry Number.