289499-94-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 289499-94-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,8,9,4,9 and 9 respectively; the second part has 2 digits, 9 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 289499-94:
(8*2)+(7*8)+(6*9)+(5*4)+(4*9)+(3*9)+(2*9)+(1*4)=231
231 % 10 = 1
So 289499-94-1 is a valid CAS Registry Number.