17263-59-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 17263-59-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,7,2,6 and 3 respectively; the second part has 2 digits, 5 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 17263-59:
(7*1)+(6*7)+(5*2)+(4*6)+(3*3)+(2*5)+(1*9)=111
111 % 10 = 1
So 17263-59-1 is a valid CAS Registry Number.
InChI:InChI=1/C20H16N8O6S2.2Na/c29-35(30,31)17-7-15(27-19-23-9-21-10-24-19)5-3-13(17)1-2-14-4-6-16(8-18(14)36(32,33)34)28-20-25-11-22-12-26-20;;/h1-12H,(H,29,30,31)(H,32,33,34)(H,21,23,24,27)(H,22,25,26,28);;/q;2*+1/p-2/b2-1+;;