424-37-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 424-37-3 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 4,2 and 4 respectively; the second part has 2 digits, 3 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 424-37:
(5*4)+(4*2)+(3*4)+(2*3)+(1*7)=53
53 % 10 = 3
So 424-37-3 is a valid CAS Registry Number.
InChI:InChI=1/C7H3F9O2/c1-2-18-3(17)4(8,9)5(10,11)6(12,13)7(14,15)16/h2H,1H2