83683-87-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 83683-87-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,3,6,8 and 3 respectively; the second part has 2 digits, 8 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 83683-87:
(7*8)+(6*3)+(5*6)+(4*8)+(3*3)+(2*8)+(1*7)=168
168 % 10 = 8
So 83683-87-8 is a valid CAS Registry Number.