55969-57-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 55969-57-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,5,9,6 and 9 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 55969-57:
(7*5)+(6*5)+(5*9)+(4*6)+(3*9)+(2*5)+(1*7)=178
178 % 10 = 8
So 55969-57-8 is a valid CAS Registry Number.
InChI:InChI=1/C17H14O4/c1-10-13(20-2)9-15-16(17(10)19)12(18)8-14(21-15)11-6-4-3-5-7-11/h3-9,19H,1-2H3
55969-57-8Relevant articles and documents
Anti-AIDS agents 68. The first total synthesis of a unique potent anti-HIV chalcone from genus Desmos
Nakagawa-Goto, Kyoko,Lee, Kuo-Hsiung
, p. 8263 - 8266 (2007/10/03)
The first total synthesis of a unique highly functionalized and potent anti-HIV chalcone 1, isolated from genus Desmos, was achieved from commercially available 2,4,6-trihydroxytoluene (3) or 2,4,6-trihydroxybenzaldehyde (2) in five (from 3) or six steps (from 2).