72117-58-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 72117-58-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,2,1,1 and 7 respectively; the second part has 2 digits, 5 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 72117-58:
(7*7)+(6*2)+(5*1)+(4*1)+(3*7)+(2*5)+(1*8)=109
109 % 10 = 9
So 72117-58-9 is a valid CAS Registry Number.
InChI:InChI=1/C15H12N4O8S/c20-13(16-12-4-2-1-3-11(12)15(22)23)14(21)17-18-28(26,27)10-7-5-9(6-8-10)19(24)25/h1-8,18H,(H,16,20)(H,17,21)(H,22,23)