67171-02-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 67171-02-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,7,1,7 and 1 respectively; the second part has 2 digits, 0 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 67171-02:
(7*6)+(6*7)+(5*1)+(4*7)+(3*1)+(2*0)+(1*2)=122
122 % 10 = 2
So 67171-02-2 is a valid CAS Registry Number.