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exo-3,6-endo-epoxy-4,5-epoxyhexahydrophthalic anhydride is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

82660-86-4

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82660-86-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 82660-86-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,2,6,6 and 0 respectively; the second part has 2 digits, 8 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 82660-86:
(7*8)+(6*2)+(5*6)+(4*6)+(3*0)+(2*8)+(1*6)=144
144 % 10 = 4
So 82660-86-4 is a valid CAS Registry Number.
InChI:InChI=1/C8H6O5/c9-7-1-2(8(10)13-7)4-6-5(12-6)3(1)11-4/h1-6H/t1-,2+,3-,4+,5-,6+

82660-86-4Downstream Products

82660-86-4Relevant academic research and scientific papers

Cyclohexanedicarboxylic acid derivative with bridge ring and pharmaceutical composition and application thereof

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Paragraph 0081-0083; 0096-0097, (2021/11/10)

The invention discloses a cyclohexane dicarboxylic acid derivative with a bridged ring represented by general formula (I). The application of the stereoisomers and the pharmaceutically acceptable salts in the preparation of antitumor drugs has obvious inhibition effects on leukemia, liver cancer, lung cancer, gastric cancer and ovarian cancer. The compound disclosed by the invention has high anti-tumor activity, wide anti-tumor spectrum and low toxicity, and is suitable for preparing anti-cancer drugs.

CHEMICAL REPERCUSSIONS OF ORBITAL INTERACTIONS THROUGH BOND AND THROUGH SPACE. EFFECT OF REMOTE SUBSTITUENTS ON THE ADDITION OF NITRENES TO BICYCLIC OLEFINS

Aitken, R. Alan,Gosney, Ian,Farries, Hugh,Palmer, Michael H.,Simpson, Isobel,et. al.

, p. 1329 - 1346 (2007/10/02)

The reactivity of a series of bicyclic olefins with nitrenes is profoundly influenced by the nature of remote functional groups.There is a marked lack of reactivity for reactions with carboethoxynitrene as compared to phthalimidonitrene which is distinctly nucleophilic in character.An explanation for the reluctance to form aziridines is offered in terms of orbital interactions between the distant groups and the olefinic bond, making the latter remarkably electron deficient as evidenced by UV-photoelectron spectroscopy.Because of the complexity of the spectra, identification of the Ip associated with the reactive ?-centre was made by recourse to ab initio configuration interaction calculations for key members of the series.

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