82423-67-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 82423-67-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,2,4,2 and 3 respectively; the second part has 2 digits, 6 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 82423-67:
(7*8)+(6*2)+(5*4)+(4*2)+(3*3)+(2*6)+(1*7)=124
124 % 10 = 4
So 82423-67-4 is a valid CAS Registry Number.