21862-29-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 21862-29-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,1,8,6 and 2 respectively; the second part has 2 digits, 2 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 21862-29:
(7*2)+(6*1)+(5*8)+(4*6)+(3*2)+(2*2)+(1*9)=103
103 % 10 = 3
So 21862-29-3 is a valid CAS Registry Number.