289697-76-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 289697-76-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,8,9,6,9 and 7 respectively; the second part has 2 digits, 7 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 289697-76:
(8*2)+(7*8)+(6*9)+(5*6)+(4*9)+(3*7)+(2*7)+(1*6)=233
233 % 10 = 3
So 289697-76-3 is a valid CAS Registry Number.