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4-Hexen-2-ynoic acid, 6,6-diethoxy-, methyl ester, (E)- is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

143365-98-4

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143365-98-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 143365-98-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,3,3,6 and 5 respectively; the second part has 2 digits, 9 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 143365-98:
(8*1)+(7*4)+(6*3)+(5*3)+(4*6)+(3*5)+(2*9)+(1*8)=134
134 % 10 = 4
So 143365-98-4 is a valid CAS Registry Number.

143365-98-4Downstream Products

143365-98-4Relevant academic research and scientific papers

A convenient synthesis of protected E-enynals via cross-coupling of vinyltin acetals with bromoalkynes

Beaudet,Parrain,Quintard

, p. 3647 - 3650 (1992)

E-conjugated enynes bearing an acetal function on the allylic or the homoallylic position or/and on the propargylic or the homopropargylic position were conveniently obtained at room temperature in DMF via cross-coupling of the corresponding vinyltins with 1-bromoalk-1-ynes in the presence of Pd(II) catalysts.

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