42588-72-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 42588-72-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 4,2,5,8 and 8 respectively; the second part has 2 digits, 7 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 42588-72:
(7*4)+(6*2)+(5*5)+(4*8)+(3*8)+(2*7)+(1*2)=137
137 % 10 = 7
So 42588-72-7 is a valid CAS Registry Number.