29393-21-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 29393-21-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,9,3,9 and 3 respectively; the second part has 2 digits, 2 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 29393-21:
(7*2)+(6*9)+(5*3)+(4*9)+(3*3)+(2*2)+(1*1)=133
133 % 10 = 3
So 29393-21-3 is a valid CAS Registry Number.