83023-42-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 83023-42-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,3,0,2 and 3 respectively; the second part has 2 digits, 4 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 83023-42:
(7*8)+(6*3)+(5*0)+(4*2)+(3*3)+(2*4)+(1*2)=101
101 % 10 = 1
So 83023-42-1 is a valid CAS Registry Number.