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3-benzalimino-2-benzoyl-7-hydroxy-8-oxo-9-phenylthieno<2,3:6',5'>pyrido<4,3-d>pyrimidine is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

143208-41-7

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143208-41-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 143208-41-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,3,2,0 and 8 respectively; the second part has 2 digits, 4 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 143208-41:
(8*1)+(7*4)+(6*3)+(5*2)+(4*0)+(3*8)+(2*4)+(1*1)=97
97 % 10 = 7
So 143208-41-7 is a valid CAS Registry Number.

143208-41-7Downstream Products

143208-41-7Relevant academic research and scientific papers

ONE-POT SYNTHESIS OF POLYFUNCTIONALLY SUBSTITUTED THIOPHENES: THIENOPYRIDINE AND THIENOPYRIDAZINE DERIVATIVES

Mohareb, Rafat Milad

, p. 147 - 150 (2007/10/02)

The enaminonitriles 1 and 2 and 3-iminobutyronitrile 3 reacted with phenyl isothiocyanate followed by cyclization with phenacyl bromide to afford the thiophene 6, the thienopyridine 12 and the thiophene 18, respectively.The reactivity of the reacti

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