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3-(4-chlorophenyl)-4-iodo-1H-isochromen-1-one is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

118520-81-3

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118520-81-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 118520-81-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,8,5,2 and 0 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 118520-81:
(8*1)+(7*1)+(6*8)+(5*5)+(4*2)+(3*0)+(2*8)+(1*1)=113
113 % 10 = 3
So 118520-81-3 is a valid CAS Registry Number.

118520-81-3Downstream Products

118520-81-3Relevant articles and documents

Generation of 4-iodoisocoumarins through a TBAI-mediated oxidative cyclization of 2-alkynoates

Luo, Jin,He,Chen,Li

, p. 1786 - 1792 (2018)

A tetra-butylammonium iodide (TBAI)-mediated oxidative iodocyclization of 2-alkynoates for the synthesis of various 4-iodoisocoumarin is described herein, and the reaction is highly efficient and shows broad functional group tolerance. This newly develope

Organomercury Mediated Synthesis of Isocoumarins

Nagarajan, A.,Balasubramanian, Tiruvenkat R.

, p. 917 - 919 (2007/10/02)

A facile and convenient synthesis of isocoumarins via an organomercurial route is reported.The synthesis involves reaction of methyl 2-alkynbenzoates with mercuric acetate to give the corresponding isocoumarin mercurials which serve as intermediates to afford the appropriate isocoumarins having substituents as Cl,I,Br,COCH3 etc.

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