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83495-28-7

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83495-28-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 83495-28-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,3,4,9 and 5 respectively; the second part has 2 digits, 2 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 83495-28:
(7*8)+(6*3)+(5*4)+(4*9)+(3*5)+(2*2)+(1*8)=157
157 % 10 = 7
So 83495-28-7 is a valid CAS Registry Number.

83495-28-7Relevant articles and documents

ORGANIC ELECTROLUMINESCENT MATERIALS AND DEVICES

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Paragraph 0118, (2018/11/22)

This invention relates to compounds containing heterocycles or azaheterocycles and phenylene or azaphenylene wherein at least one ring is a five-membered ring. These novel compounds are useful as host materials for phosphorescent electroluminescent device

Modification of organic compounds with Lawesson's reagent

Kayukova,Praliyev,Gut'Yar,Baitursynova

, p. 148 - 160 (2015/04/14)

Application in organic synthesis of Lawesson's reagent, 2,4-bis(4-methoxyphenyl)-1,3,2,4-dithiadiphosphetane-2,4-disulfide, provides a possibility to replace an oxygen atom for a sulfur atom in the carbonyl group of ketones, esters, amides, in ether group, and also either to induce a rearrangement of the initial structure of organic compounds with or without inclusion of sulfur atoms or to lead to the formation of various types of organophosphorus compounds. The formed organosulfur compounds exhibit a wide range of biological action.

UNSYMMETRICAL COUPLING OF 2-ARYLTHIOPHENES BY CATION EXCHANGE RESIN

Sone, Tyo,Kubo, Masaaki,Kanno, Tsutomu

, p. 1195 - 1198 (2007/10/02)

2-Arylthiophenes coupled through the 4,5'-positions of the two thiophene rings by the action of cation exchange resin to afford unsymmetrical 5,5'-diaryl-2,3'-bithienyls as principal products.

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