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1131849-72-3

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1131849-72-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1131849-72-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,3,1,8,4 and 9 respectively; the second part has 2 digits, 7 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 1131849-72:
(9*1)+(8*1)+(7*3)+(6*1)+(5*8)+(4*4)+(3*9)+(2*7)+(1*2)=143
143 % 10 = 3
So 1131849-72-3 is a valid CAS Registry Number.

1131849-72-3Relevant academic research and scientific papers

Synthesis of chemical-biology tools enabling in vivo imaging and analysis of epigallocatechin gallate

Asakawa, Tomohiro,Yoshida, Atsushi,Hirooka, Yasuo,Suzuki, Takashi,Itoh, Kunihiko,Shimizu, Kosuke,Oku, Naoto,Furuta, Takumi,Wakimoto, Toshiyuki,Inai, Makoto,Kan, Toshiyuki

, p. 218 - 242 (2017/03/14)

(-)-Epigallocatechin gallate (EGCg) has multiple bioactivities, and imaging/analytical tools are required for drug development studies. Here we present full details of our synthetic studies aimed at providing building blocks for development of such tools,

Efficient synthesis of optically active gallocatechin-3-gallate derivatives via 6-endo-cyclization

Hirooka, Yasuo,Nitta, Mariko,Furuta, Takumi,Kan, Toshiyuki

scheme or table, p. 3234 - 3238 (2009/06/18)

Optically active dihydrobenzopyran derivatives are synthesized by 6-endo cyclization of corresponding epoxy-phenol, which is readily derived from the enantioselective epoxidation of 1,3-diarylpropene. Synthetic dihydrobenzopyrans are converted into (-)-5,7-dideoxy-gallocatechin gallate as well as (-)-5,7-dideoxy-epigallocatechin derivative. Georg Thieme Verlag Stuttgart.

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