289676-19-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 289676-19-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,8,9,6,7 and 6 respectively; the second part has 2 digits, 1 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 289676-19:
(8*2)+(7*8)+(6*9)+(5*6)+(4*7)+(3*6)+(2*1)+(1*9)=213
213 % 10 = 3
So 289676-19-3 is a valid CAS Registry Number.