83837-83-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 83837-83-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,3,8,3 and 7 respectively; the second part has 2 digits, 8 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 83837-83:
(7*8)+(6*3)+(5*8)+(4*3)+(3*7)+(2*8)+(1*3)=166
166 % 10 = 6
So 83837-83-6 is a valid CAS Registry Number.