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3-carbethoxy-2-(N-cyclohexylcarbamoyl)-5,5-dimethyl-4,5-dihydro-7H-thieno[2,3-c]pyran is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

263402-82-0

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263402-82-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 263402-82-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,6,3,4,0 and 2 respectively; the second part has 2 digits, 8 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 263402-82:
(8*2)+(7*6)+(6*3)+(5*4)+(4*0)+(3*2)+(2*8)+(1*2)=120
120 % 10 = 0
So 263402-82-0 is a valid CAS Registry Number.

263402-82-0Relevant academic research and scientific papers

Synthesis of condensed derivatives of 2-substituted thieno[2,3-d]pyrimidin-4-ones

Kazaryan,Noravyan,Gevorkyan

, p. 825 - 828 (1999)

A preparative method of synthesis of 2-substituted thieno[2,3-d]pyrimidin-4-ones involving deamination of the corresponding 3-amino derivatives by sodium nitrite in acidic medium is proposed. A possible reaction mechanism is considered. 1999 KluwerAcademic/Plenum Publishers.

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