12326-21-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 12326-21-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,2,3,2 and 6 respectively; the second part has 2 digits, 2 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 12326-21:
(7*1)+(6*2)+(5*3)+(4*2)+(3*6)+(2*2)+(1*1)=65
65 % 10 = 5
So 12326-21-5 is a valid CAS Registry Number.