72496-91-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 72496-91-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,2,4,9 and 6 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 72496-91:
(7*7)+(6*2)+(5*4)+(4*9)+(3*6)+(2*9)+(1*1)=154
154 % 10 = 4
So 72496-91-4 is a valid CAS Registry Number.
InChI:InChI=1/C27H20BrClN6O8S2.2Na/c1-13(28)27(37)31-16-8-10-21(44(38,39)40)20(12-16)32-33-24-22(45(41,42)43)11-15-7-9-19-25(23(15)26(24)36)35(14(2)30-19)34-18-6-4-3-5-17(18)29;;/h3-12,32,34H,1H2,2H3,(H,31,37)(H,38,39,40)(H,41,42,43);;/q;2*+1/p-2/b33-24+;;