117751-59-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 117751-59-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,7,7,5 and 1 respectively; the second part has 2 digits, 5 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 117751-59:
(8*1)+(7*1)+(6*7)+(5*7)+(4*5)+(3*1)+(2*5)+(1*9)=134
134 % 10 = 4
So 117751-59-4 is a valid CAS Registry Number.
InChI:InChI=1/C42H55IN4O11/c1-24-38(58-35(50)7-6-34(49)45-17-12-25-4-5-32(46-47-44)31(43)18-25)33(54-3)20-37(56-24)57-27-8-14-40(23-48)29-9-13-39(2)28(26-19-36(51)55-22-26)11-16-42(39,53)30(29)10-15-41(40,52)21-27/h4-5,18-19,23-24,27-30,33,37-38,52-53H,6-17,20-22H2,1-3H3,(H,45,49)