21726-36-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 21726-36-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,1,7,2 and 6 respectively; the second part has 2 digits, 3 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 21726-36:
(7*2)+(6*1)+(5*7)+(4*2)+(3*6)+(2*3)+(1*6)=93
93 % 10 = 3
So 21726-36-3 is a valid CAS Registry Number.