66883-87-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 66883-87-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,6,8,8 and 3 respectively; the second part has 2 digits, 8 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 66883-87:
(7*6)+(6*6)+(5*8)+(4*8)+(3*3)+(2*8)+(1*7)=182
182 % 10 = 2
So 66883-87-2 is a valid CAS Registry Number.