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87282-21-1

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87282-21-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 87282-21-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,7,2,8 and 2 respectively; the second part has 2 digits, 2 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 87282-21:
(7*8)+(6*7)+(5*2)+(4*8)+(3*2)+(2*2)+(1*1)=151
151 % 10 = 1
So 87282-21-1 is a valid CAS Registry Number.

87282-21-1Relevant articles and documents

Chlorofluorocarbene: First UV observation of a dihalocarbene in solution

Moss, Robert A.,Tian, Jingzhi,Sauers, Ronald R.,Skalit, Christopher,Krogh-Jespersen, Karsten

, p. 4053 - 4056 (2007)

Chlorofluorocarbene (CICF), generated by laser flash photolysis of chlorofluorodiazirine, absorbs at 368 nm in pentane. Absolute rate constants are reported for CICF additions to several alkenes and pyridine. CICF is less reactive toward alkenes than CCI

The Philicity of Fluorophenoxycarbene

Moss, Robert A.,Kmiecik-Lawrynowicz, Grazyna,Krogh-Jespersen, Karsten

, p. 2168 - 2172 (2007/10/02)

Fluorophenoxycarbene (FCOPh) was generated by thermolysis (50 deg C) of 3-fluoro-3-phenoxydiazirine and added to six alkenes, affording the corresponding cyclopropanes.The substrates and relative reactivities were the following: tetramethylethylene (7.14), trimethylethylene (17.9), isobutene (14.3), 1-hexene (1.00), methyl acrylate (18.7), and acrylonitrile (33.6).The ambiphilic reactivity pattern of FCOPh resembles those of ClCOPh and ClCOMe.An ab anitio study of FCOPh afforded geometries and frontier orbital energies of the cis and trans conformers of the carbene.Both conformers are predicted to be ambiphiles in alkene addition reactions, on the basis of simple frontier molecular orbital considerations

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