169038-77-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 169038-77-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,6,9,0,3 and 8 respectively; the second part has 2 digits, 7 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 169038-77:
(8*1)+(7*6)+(6*9)+(5*0)+(4*3)+(3*8)+(2*7)+(1*7)=161
161 % 10 = 1
So 169038-77-1 is a valid CAS Registry Number.