37228-81-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 37228-81-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,7,2,2 and 8 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 37228-81:
(7*3)+(6*7)+(5*2)+(4*2)+(3*8)+(2*8)+(1*1)=122
122 % 10 = 2
So 37228-81-2 is a valid CAS Registry Number.