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2-BIPHENYL-2'-Iodo-CARBOXYLIC ACID is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

38399-49-4

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38399-49-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 38399-49-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,8,3,9 and 9 respectively; the second part has 2 digits, 4 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 38399-49:
(7*3)+(6*8)+(5*3)+(4*9)+(3*9)+(2*4)+(1*9)=164
164 % 10 = 4
So 38399-49-4 is a valid CAS Registry Number.

38399-49-4Relevant academic research and scientific papers

Syntheses of Diphenic Anhydride-Mercury Compounds and Their Reaction with Nucleophilic Reagents

Takahashi, Teruo,Togashi, Shigeo,Morishita, Muneo,Takeda, Shiro

, p. 3020 - 3023 (2007/10/02)

Diphenic acid anhydride (1) is decarbonylated by prolonged heating with mercuric oxide (HgO) in acetic acid to give a diphenic anhydride-mercury compound (3).Since its infrared spectrum showed a shift of carbonyl adsorption to a very low wave number, the O-Hg linkage was considered to be in an ionic form (3'), with the carbon bonded to mercury becoming a carbonium ion.If this is the case, the compound would be expected to react with nucleophilic reagents and indeed 3 is reactive to KI, H2S and KCN.Keywords-diphenic anhydride-mercury compound; mercuration; carbon-mercury bond; carbonyl adsorptions; nucleophilic; the reaction mechanism; protonation

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