67170-02-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 67170-02-9 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 0 respectively; the second part has 2 digits, 0 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 67170-02:
(7*6)+(6*7)+(5*1)+(4*7)+(3*0)+(2*0)+(1*2)=119
119 % 10 = 9
So 67170-02-9 is a valid CAS Registry Number.