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4-(4-chloro-phenyl)-5-oxo-2-thioxo-2,5-dihydro-1H-indeno[1,2-b]pyridine-3-carbonitrile is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

311767-72-3

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311767-72-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 311767-72-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,1,1,7,6 and 7 respectively; the second part has 2 digits, 7 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 311767-72:
(8*3)+(7*1)+(6*1)+(5*7)+(4*6)+(3*7)+(2*7)+(1*2)=133
133 % 10 = 3
So 311767-72-3 is a valid CAS Registry Number.

311767-72-3Relevant academic research and scientific papers

Synthesis and reaction of some indenopyridine and thieno[2,3-b]indeno[2,1-e]pyridine derivatives

Hassanein

, p. 3883 - 3895 (2007/10/03)

Synthesis of indenopyridine-2-thione derivatives 6a-e via reaction of compound 1 with thioamides 2a-e in good yields. Several thieno[2,3-b]indeno[2,1-e]pyridine 9a-e have been synthesized. Some of them was used as a key intermediate in synthesis of 10-12. On the other hand, compound 1 reacted with various reagents to yield 16, 19, 21-24.

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