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2-ethyl 3,4-di(4-methylbenzoyl)-4-bromo-4,5-dihydro-2-furoate is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

1134970-91-4

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1134970-91-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1134970-91-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,3,4,9,7 and 0 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1134970-91:
(9*1)+(8*1)+(7*3)+(6*4)+(5*9)+(4*7)+(3*0)+(2*9)+(1*1)=154
154 % 10 = 4
So 1134970-91-4 is a valid CAS Registry Number.

1134970-91-4Relevant articles and documents

Efficient synthesis of 2,3,4-trisubstituted furans from the reaction of activated acetylenes with ethyl bromopyruvate in the presence of enaminones

Yavari, Issa,Hossaini, Zinatossadat,Sabbaghan, Maryam

experimental part, p. 945 - 948 (2009/09/28)

The reaction of dialkyl acetylenedicarboxylates or diaroylacetylenes with ethyl bromopyruvate in the presence of enaminones led to 2-ethyl 3,4-dialkyl 4-bromo-4,5-dihydro-2,3,4-furantricarboxylates or ethyl 3,4-diaroyl-4-bromo-4,5- dihydro-2-furancarboxyl

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