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1-iodo-2-phenyl-11H-benzo[h]thieno[3,2-c]chromene is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

1264573-34-3

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1264573-34-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1264573-34-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,6,4,5,7 and 3 respectively; the second part has 2 digits, 3 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 1264573-34:
(9*1)+(8*2)+(7*6)+(6*4)+(5*5)+(4*7)+(3*3)+(2*3)+(1*4)=163
163 % 10 = 3
So 1264573-34-3 is a valid CAS Registry Number.

1264573-34-3Upstream product

1264573-34-3Downstream Products

1264573-34-3Relevant academic research and scientific papers

Electrophilic cyclization of 3-alkynyl-4-chalcogen-2-H-chromenes: Synthesis of 3-halo-chalcogenophene[3,2-c]chromene derivatives

Sperana, Adriane,Godoi, Benhur,Costa, Michael Daniel,Menezes, Paulo Henrique,Zeni, Gilson

, p. 388 - 391 (2011)

An efficient synthesis of 3-halo-chalcogenophene[3,2-c]chromene has been accomplished via electrophilic cyclization reaction of 3-alkynyl-4-chalcogen-2H- chromene using I2, PhSeBr, and BuTeBr3 as electrophilic sources. The cyclizatio

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