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18233-20-0

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18233-20-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 18233-20-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,8,2,3 and 3 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 18233-20:
(7*1)+(6*8)+(5*2)+(4*3)+(3*3)+(2*2)+(1*0)=90
90 % 10 = 0
So 18233-20-0 is a valid CAS Registry Number.

18233-20-0Downstream Products

18233-20-0Relevant articles and documents

Synthesis and spectral luminescence properties of 2-aryl-5-methyl-1,3,4-oxadiazoles and zinc(ii) 2-(2-hydroxyphenyl)-5-methyl-1,3,4-oxadiazole complex

Artyushkina, Yu. M.,Dushenko, G. A.,Mikhailov, I. E.,Minkina, V. I.

, p. 176 - 178 (2020)

2-Aryl-5-methyl-1,3,4-oxadiazoles were synthesized by reflux of equimolar amounts of acyl hydrazides with triethyl orthoacetate in o-xylene. The obtained oxadiazoles, except for 2-(2-hydroxyphenyl)-5-methyl-1,3,4-oxadiazole, luminesce with a high quantum

Novel procedure for the synthesis of 1,3,4-oxadiazoles from 1,2- diacylhydrazines using polymer-supported Burgess reagent under microwave conditions

Brain, Christopher T.,Paul, Jane M.,Loong, Yvonne,Oakley, Paul J.

, p. 3275 - 3278 (2007/10/03)

A novel and efficient means of effecting the cyclodehydration of 1,2- diacylhydrazines to provide 1,3,4-oxadiazoles is reported. Polymer supported Burgess reagent was utilised in combination with single-mode microwave heating.

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