69490-18-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 69490-18-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,9,4,9 and 0 respectively; the second part has 2 digits, 1 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 69490-18:
(7*6)+(6*9)+(5*4)+(4*9)+(3*0)+(2*1)+(1*8)=162
162 % 10 = 2
So 69490-18-2 is a valid CAS Registry Number.