1431555-99-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1431555-99-5 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,4,3,1,5,5 and 5 respectively; the second part has 2 digits, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1431555-99:
(9*1)+(8*4)+(7*3)+(6*1)+(5*5)+(4*5)+(3*5)+(2*9)+(1*9)=155
155 % 10 = 5
So 1431555-99-5 is a valid CAS Registry Number.