169377-30-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 169377-30-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,6,9,3,7 and 7 respectively; the second part has 2 digits, 3 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 169377-30:
(8*1)+(7*6)+(6*9)+(5*3)+(4*7)+(3*7)+(2*3)+(1*0)=174
174 % 10 = 4
So 169377-30-4 is a valid CAS Registry Number.