83662-07-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 83662-07-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,3,6,6 and 2 respectively; the second part has 2 digits, 0 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 83662-07:
(7*8)+(6*3)+(5*6)+(4*6)+(3*2)+(2*0)+(1*7)=141
141 % 10 = 1
So 83662-07-1 is a valid CAS Registry Number.