904692-31-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 904692-31-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,0,4,6,9 and 2 respectively; the second part has 2 digits, 3 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 904692-31:
(8*9)+(7*0)+(6*4)+(5*6)+(4*9)+(3*2)+(2*3)+(1*1)=175
175 % 10 = 5
So 904692-31-5 is a valid CAS Registry Number.