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2,3-di-(4-methoxyphenyl)-1-methyl-5-phenyl-pyrrole is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

21757-04-0

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21757-04-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 21757-04-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,1,7,5 and 7 respectively; the second part has 2 digits, 0 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 21757-04:
(7*2)+(6*1)+(5*7)+(4*5)+(3*7)+(2*0)+(1*4)=100
100 % 10 = 0
So 21757-04-0 is a valid CAS Registry Number.

21757-04-0Downstream Products

21757-04-0Relevant academic research and scientific papers

Isothiazoles. Part IV. Cycloaddition reactions of diaryl-oxazolones and munchnones to 3-diethylamino-4-(4-methoxyphenyl)-isothiazole 1,1-dioxide: A new synthesis of triarylpyrroles

Baggi,Clerici,Gelmi,Mottadelli

, p. 2455 - 2466 (2007/10/02)

3-Diethylamino-4-(4-methoxyphenyl)-isothiazole 1,1-dioxide (3) readily reacts with oxazolones 2 and munchnones 7 affording with satisfactory yield 3-diethylamino-4,6-diaryl-3a,4-dihydro-3a-(4-methoxyphenyl)-6aH-pyrrol o[3,4-d]isothiazole 1,1-dioxides 4 an

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