83683-89-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 83683-89-0 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 9 respectively.
Calculate Digit Verification of CAS Registry Number 83683-89:
(7*8)+(6*3)+(5*6)+(4*8)+(3*3)+(2*8)+(1*9)=170
170 % 10 = 0
So 83683-89-0 is a valid CAS Registry Number.