1423875-16-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1423875-16-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,4,2,3,8,7 and 5 respectively; the second part has 2 digits, 1 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 1423875-16:
(9*1)+(8*4)+(7*2)+(6*3)+(5*8)+(4*7)+(3*5)+(2*1)+(1*6)=164
164 % 10 = 4
So 1423875-16-4 is a valid CAS Registry Number.