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32272-18-7

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32272-18-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 32272-18-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,2,2,7 and 2 respectively; the second part has 2 digits, 1 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 32272-18:
(7*3)+(6*2)+(5*2)+(4*7)+(3*2)+(2*1)+(1*8)=87
87 % 10 = 7
So 32272-18-7 is a valid CAS Registry Number.

32272-18-7Relevant articles and documents

Synthesis and Screening of Human Monoamine Oxidase-A Inhibitor Effect of New 2-Pyrazoline and Hydrazone Derivatives

Evranos-Aks?z, Begüm,Baysal, Ipek,Yabano?lu-?ift?i, Samiye,Djikic, Teodora,Yelek?i, Kemal,U?ar, Gülberk,Ertan, Rahmiye

, p. 743 - 756 (2015)

A group of 3,5-diaryl-2-pyrazoline and hydrazone derivatives was prepared via the reaction of various chalcones with hydrazide compounds in ethanol. Twenty original compounds were synthesized. Ten of these original compounds have a pyrazoline structure, n

Synthesis and complete assignment of NMR data of 20 chalcones

Hwang, Doseok,Hyun, Jiye,Jo, Geunhyeong,Koh, Dongsoo,Lim, Yoongho

scheme or table, p. 41 - 45 (2011/09/14)

Chalcones, intermediates in flavonoid biosynthesis, can exhibit antibacterial, antiproliferative, and anti-inflammatory properties. Chalcones contain two benzene rings and both hydroxylated and methoxylated analogs are frequently produced by hydroxylases and O-methyltransferases in plant biosynthetic pathways. Assignments of NMR peaks in the spectra of hydroxylated and/or methoxylated chalcones can help in identifying novel chalcone derivatives isolated from natural sources by referencing these data against NMR spectra obtained from known chalcones. We report here the syntheses of 20 chalcones and complete assignments of 1H and 13C NMR spectra. Copyright

Two Syntheses of 7,2'-Dimethoxyisoflavone

Rani, Indu

, p. 361 - 362 (2007/10/02)

7,2'-Dimethoxyisoflavone (V) has been synthesised by two routes: (i) by direct oxidative rearrangement of 2'-hydroxy-2,4'-dimethoxychalkone; and (ii) by treatment of 2'-benzyloxy-2,4'-dimethoxychalkone epoxide (III) derivable from I, with BF3-etherate to

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