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m,m'-selenodiphenol is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

98040-20-1

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98040-20-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 98040-20-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,8,0,4 and 0 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 98040-20:
(7*9)+(6*8)+(5*0)+(4*4)+(3*0)+(2*2)+(1*0)=131
131 % 10 = 1
So 98040-20-1 is a valid CAS Registry Number.

98040-20-1Downstream Products

98040-20-1Relevant academic research and scientific papers

Novel Photosensitizers for the E/Z-Isomerization of Trienes. Part 1. Synthesis and Application

Pfoertner, Karl-Heinz

, p. 523 - 526 (2007/10/02)

Uranine and its thioxanthene and selenoxanthene analogues, as well as the disodium salts of o-(6-hydroxy-3-oxo-3H-xanthen-9-yl)benzenesulphonic acid and its thioxanthene and selenoxanthene analogues, show different photosensitizer properties in the E/Z-isomerization of trienes.This has been verified by applying them to the technically useful conversion of tachysterol into previtamin D.The synthesis of the novel photosensitizers with thioxanthene and selenoxanthene moieties are also described.

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