67888-38-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 67888-38-4 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 8 respectively; the second part has 2 digits, 3 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 67888-38:
(7*6)+(6*7)+(5*8)+(4*8)+(3*8)+(2*3)+(1*8)=194
194 % 10 = 4
So 67888-38-4 is a valid CAS Registry Number.