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4098-70-8

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4098-70-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 4098-70-8 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 4,0,9 and 8 respectively; the second part has 2 digits, 7 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 4098-70:
(6*4)+(5*0)+(4*9)+(3*8)+(2*7)+(1*0)=98
98 % 10 = 8
So 4098-70-8 is a valid CAS Registry Number.

4098-70-8Downstream Products

4098-70-8Relevant articles and documents

CHROMIUM(II) PROMOTED ADDITION OF N-CHLOROCARBAMATES TO ALKENES

Gerber, J. P.,Goosen, A.,McCleland, C. W.

, p. 3037 - 3051 (2007/10/02)

Ethyl N-chloro-N-methylcarbamate has been shown to produce adducts with some alkenes.The role of the chromium(II) species in the reaction is discussed.

THE ELECTROCHEMICAL REDUCTION OF N-FLUOROETHANS IN ACETONITRILE. THE GENERATION OF CARBETHOXYNITRENE

Lessard, Jean,Berube, Denis

, p. 768 - 777 (2007/10/02)

The electrochemical reduction of N-fluoro-N-methylurethan (1a) and N-fluorourethan (2a) in acetonitrile generates the amide anion and fluoride ion.Both the fluoride and the amide react with the starting N-fluoroamide either as bases or as nucleophiles.Many products are formed and the coulometric results are low (0.5 to 0.7 F/mol).In the case of NFU (2a), abstraction of the proton on nitrogen both by the urethan anion and the fluoride anion generates the conjugate base EtOCOF (7) which immediately undergoes α-elimination of the fluoride ion to give carbethoxynitrene (11).This nitrene was generated also by treating NFU (2a) with a base such as triethylamine of lithium hydride.The α-elimination of F1- from EtOCOF is much easier than α-elimination of Cl1- from EtOCOCl.

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