423137-76-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 423137-76-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,2,3,1,3 and 7 respectively; the second part has 2 digits, 7 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 423137-76:
(8*4)+(7*2)+(6*3)+(5*1)+(4*3)+(3*7)+(2*7)+(1*6)=122
122 % 10 = 2
So 423137-76-2 is a valid CAS Registry Number.