290809-76-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 290809-76-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,9,0,8,0 and 9 respectively; the second part has 2 digits, 7 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 290809-76:
(8*2)+(7*9)+(6*0)+(5*8)+(4*0)+(3*9)+(2*7)+(1*6)=166
166 % 10 = 6
So 290809-76-6 is a valid CAS Registry Number.