67883-17-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 67883-17-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,7,8,8 and 3 respectively; the second part has 2 digits, 1 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 67883-17:
(7*6)+(6*7)+(5*8)+(4*8)+(3*3)+(2*1)+(1*7)=174
174 % 10 = 4
So 67883-17-4 is a valid CAS Registry Number.