72152-65-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 72152-65-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,2,1,5 and 2 respectively; the second part has 2 digits, 6 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 72152-65:
(7*7)+(6*2)+(5*1)+(4*5)+(3*2)+(2*6)+(1*5)=109
109 % 10 = 9
So 72152-65-9 is a valid CAS Registry Number.
InChI:InChI=1/C42H29N9O18S6.5Na/c1-20-2-10-28-35(12-20)70-42(43-28)27-9-5-23(15-36(27)73(61,62)63)45-48-30-18-31(34(53)19-33(30)52)49-50-32-17-26(72(58,59)60)13-21-14-38(75(67,68)69)40(41(54)39(21)32)51-46-24-6-11-29(37(16-24)74(64,65)66)47-44-22-3-7-25(8-4-22)71(55,56)57;;;;;/h2-19,45-46,53H,1H3,(H,55,56,57)(H,58,59,60)(H,61,62,63)(H,64,65,66)(H,67,68,69);;;;;/q;5*+1/p-5/b47-44+,48-30-,50-49+,51-40+;;;;;