437614-21-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 437614-21-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,3,7,6,1 and 4 respectively; the second part has 2 digits, 2 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 437614-21:
(8*4)+(7*3)+(6*7)+(5*6)+(4*1)+(3*4)+(2*2)+(1*1)=146
146 % 10 = 6
So 437614-21-6 is a valid CAS Registry Number.