72509-89-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 72509-89-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,2,5,0 and 9 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 72509-89:
(7*7)+(6*2)+(5*5)+(4*0)+(3*9)+(2*8)+(1*9)=138
138 % 10 = 8
So 72509-89-8 is a valid CAS Registry Number.
InChI:InChI=1/C56H92N14O18S/c1-29(2)16-13-11-10-12-14-17-38(73)23-44(75)65-42(26-89(85,86)87)53(81)66-39(20-30(3)4)50(78)59-19-15-18-43(74)64-40(21-36-24-57-27-60-36)51(79)62-32(6)49(77)70-47-35(9)88-56(84)46(34(8)72)69-48(76)31(5)63-52(80)41(22-37-25-58-28-61-37)67-54(82)45(33(7)71)68-55(47)83/h24-25,27-35,38-42,45-47,71-73H,10-23,26H2,1-9H3,(H,57,60)(H,58,61)(H,59,78)(H,62,79)(H,63,80)(H,64,74)(H,65,75)(H,66,81)(H,67,82)(H,68,83)(H,69,76)(H,70,77)(H,85,86,87)