53611-17-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 53611-17-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,3,6,1 and 1 respectively; the second part has 2 digits, 1 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 53611-17:
(7*5)+(6*3)+(5*6)+(4*1)+(3*1)+(2*1)+(1*7)=99
99 % 10 = 9
So 53611-17-9 is a valid CAS Registry Number.
InChI:InChI=1/C19H13N3O7S2.2Na/c23-19-15(10-17(31(27,28)29)13-6-3-9-20-18(13)19)22-21-14-7-8-16(30(24,25)26)12-5-2-1-4-11(12)14;;/h1-10,21H,(H,24,25,26)(H,27,28,29);;/q;2*+1/p-2/b22-15+;;