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2-Butynoic acid, 4-[[(1,1-dimethylethyl)diphenylsilyl]oxy]-, methyl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

403805-83-4

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403805-83-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 403805-83-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,0,3,8,0 and 5 respectively; the second part has 2 digits, 8 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 403805-83:
(8*4)+(7*0)+(6*3)+(5*8)+(4*0)+(3*5)+(2*8)+(1*3)=124
124 % 10 = 4
So 403805-83-4 is a valid CAS Registry Number.

403805-83-4Downstream Products

403805-83-4Relevant academic research and scientific papers

Effect of amines on the selective bromination of some β-substituted-2- butenoic esters

Nakada, Masahisa,Kojima, Ei-Ichi,Ichinose, Hidehiro

, p. 863 - 868 (2000)

The effect of amines on the selective bromination of some β- substituted-2-butenoic esters is described. The bromination of methyl (Z)4-t- butyldiphenylsilyloxy-3-methylbutenoate 2 in the presence of DIPEA (N, N- diisopropylethylamine) and the successive

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