139182-77-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 139182-77-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,9,1,8 and 2 respectively; the second part has 2 digits, 7 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 139182-77:
(8*1)+(7*3)+(6*9)+(5*1)+(4*8)+(3*2)+(2*7)+(1*7)=147
147 % 10 = 7
So 139182-77-7 is a valid CAS Registry Number.
InChI:InChI=1/C28H50O6/c1-9-23(29)20(6)27(32)22(8)28(33)21(7)25-11-10-16(2)12-17(3)13-18(4)14-19(5)24(30)15-26(31)34-25/h10,17-23,25,27-29,32-33H,9,11-15H2,1-8H3/b16-10-
139182-77-7Relevant articles and documents
Total synthesis and structural revision of sekothrixide
Terayama, Naoki,Yasui, Eiko,Mizukami, Megumi,Miyashita, Masaaki,Nagumo, Shinji
, p. 2794 - 2797 (2014)
The first total synthesis of 14-membered macrolide sekothrixide and the originally proposed structure are reported. Seven contiguous asymmetric centers in the side chain were constructed using ring-openings of several kinds of epoxide. Assembly of the lef