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2-(4-bromophenyl)-5,6-dimethyl-2,3-dihydrothieno[2,3-d]pyrimidin-4(1H)-one is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

499981-96-3

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499981-96-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 499981-96-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,9,9,9,8 and 1 respectively; the second part has 2 digits, 9 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 499981-96:
(8*4)+(7*9)+(6*9)+(5*9)+(4*8)+(3*1)+(2*9)+(1*6)=253
253 % 10 = 3
So 499981-96-3 is a valid CAS Registry Number.

499981-96-3Relevant academic research and scientific papers

New route to 2-arylthieno[2,3-d]pyrimidin-4(3H)-ones and isolation of the unoxidized intermediates

Davoodnia, Abolghasem,Bakavoli, Mehdi,Soleimany, Mehdi,Tavakoli-Hoseini, Niloofar

experimental part, p. 355 - 358 (2010/06/12)

A new route to the synthesis of 2-arylthieno[2,3-d]pyrimidin-4(3H)-ones has been developed through heterocyclization of 2-amino-4,5-dimethylthiophene-3- carboxamide with aromatic aldehydes in boiling glacial acetic acid followed by air oxidation. The unox

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