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C17H20I2O2 is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

1239720-17-2

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1239720-17-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1239720-17-2 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,3,9,7,2 and 0 respectively; the second part has 2 digits, 1 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 1239720-17:
(9*1)+(8*2)+(7*3)+(6*9)+(5*7)+(4*2)+(3*0)+(2*1)+(1*7)=152
152 % 10 = 2
So 1239720-17-2 is a valid CAS Registry Number.

1239720-17-2Upstream product

1239720-17-2Downstream Products

1239720-17-2Relevant academic research and scientific papers

Molecular iodine mediated intramolecular cyclization: An efficient method for the synthesis of benzoxepine derivatives

Majumdar,Sinha, Biswajit,Ansary, Inul,Chakravorty, Santanu

, p. 1407 - 1411 (2010)

A simple, efficient and cost effective method for a divergent synthesis of benzoxepine derivatives using a hitherto unreported, highly regioselective, tandem iodocyclization procedure is described.

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