4780-24-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 4780-24-9 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 4,7,8 and 0 respectively; the second part has 2 digits, 2 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 4780-24:
(6*4)+(5*7)+(4*8)+(3*0)+(2*2)+(1*4)=99
99 % 10 = 9
So 4780-24-9 is a valid CAS Registry Number.
InChI:InChI=1/C18H22N2O5S/c1-17(2,25-10-8-6-5-7-9-10)16(24)19-11-13(21)20-12(15(22)23)18(3,4)26-14(11)20/h5-9,11-12,14H,1-4H3,(H,19,24)(H,22,23)/t11-,12+,14-/m1/s1