283585-42-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 283585-42-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,8,3,5,8 and 5 respectively; the second part has 2 digits, 4 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 283585-42:
(8*2)+(7*8)+(6*3)+(5*5)+(4*8)+(3*5)+(2*4)+(1*2)=172
172 % 10 = 2
So 283585-42-2 is a valid CAS Registry Number.