814923-72-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 814923-72-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,1,4,9,2 and 3 respectively; the second part has 2 digits, 7 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 814923-72:
(8*8)+(7*1)+(6*4)+(5*9)+(4*2)+(3*3)+(2*7)+(1*2)=173
173 % 10 = 3
So 814923-72-3 is a valid CAS Registry Number.