167390-66-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 167390-66-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,6,7,3,9 and 0 respectively; the second part has 2 digits, 6 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 167390-66:
(8*1)+(7*6)+(6*7)+(5*3)+(4*9)+(3*0)+(2*6)+(1*6)=161
161 % 10 = 1
So 167390-66-1 is a valid CAS Registry Number.