103461-20-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 103461-20-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,3,4,6 and 1 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 103461-20:
(8*1)+(7*0)+(6*3)+(5*4)+(4*6)+(3*1)+(2*2)+(1*0)=77
77 % 10 = 7
So 103461-20-7 is a valid CAS Registry Number.
InChI:InChI=1/C22H22N2O5.BrH/c1-10-15-8-24(22-21(28)20(27)17(26)9-29-22)6-5-13(15)11(2)19-18(10)14-7-12(25)3-4-16(14)23-19;/h3-8,11,17,20-22,26-28H,9H2,1-2H3;1H/t11?,17-,20-,21+,22+;/m0./s1
103461-20-7Relevant articles and documents
Synthesis and Antitumor Activity of Quaternary Ellipticine Glycosides, a Series of Novel and Highly Active Antitumor Agents
Honda, Tadashi,Kato, Mika,Inoue, Minako,Shimamoto, Tetsuo,Shima, Keiyuu,et al.
, p. 1295 - 1305 (2007/10/02)
A series of ellipticine glycosides were stereoselectively synthesized in good yields by an improved condensation reac