42599-97-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 42599-97-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 4,2,5,9 and 9 respectively; the second part has 2 digits, 9 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 42599-97:
(7*4)+(6*2)+(5*5)+(4*9)+(3*9)+(2*9)+(1*7)=153
153 % 10 = 3
So 42599-97-3 is a valid CAS Registry Number.