289906-23-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 289906-23-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,8,9,9,0 and 6 respectively; the second part has 2 digits, 2 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 289906-23:
(8*2)+(7*8)+(6*9)+(5*9)+(4*0)+(3*6)+(2*2)+(1*3)=196
196 % 10 = 6
So 289906-23-6 is a valid CAS Registry Number.