Cas 188263-58-3,2H-1-Benzopyran-2,2-dicarboxylic acid, 8-[[(3-aminophenyl)sulfonyl]amino]-6-(1,1-dimethylethyl)-3,4-dihydro-, diethyl ester

188263-58-3

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Basic information

Product Name: 2H-1-Benzopyran-2,2-dicarboxylic acid, 8-[[(3-aminophenyl)sulfonyl]amino]-6-(1,1-dimethylethyl)-3,4-dihydro-, diethyl ester
Synonyms:
CAS NO:188263-58-3
Molecular Formula: C25H32N2O7S
Molecular Weight: 504.604
EINECS: N/A
Product Categories: N/A

Chemical Properties

Melting Point: N/A
Boiling Point: N/A
Flash Point: N/A
Appearance: N/A
Density: N/A
Refractive Index: N/A
Storage Temp.: N/A
Solubility: N/A
CAS DataBase Reference: 2H-1-Benzopyran-2,2-dicarboxylic acid, 8-[[(3-aminophenyl)sulfonyl]amino]-6-(1,1-dimethylethyl)-3,4-dihydro-, diethyl ester(CAS DataBase Reference)
NIST Chemistry Reference: 2H-1-Benzopyran-2,2-dicarboxylic acid, 8-[[(3-aminophenyl)sulfonyl]amino]-6-(1,1-dimethylethyl)-3,4-dihydro-, diethyl ester(188263-58-3)
EPA Substance Registry System: 2H-1-Benzopyran-2,2-dicarboxylic acid, 8-[[(3-aminophenyl)sulfonyl]amino]-6-(1,1-dimethylethyl)-3,4-dihydro-, diethyl ester(188263-58-3)

Safety Data

Hazard Codes: N/A
Statements: N/A
Safety Statements: N/A
WGK Germany:
RTECS:
HazardClass: N/A
PackingGroup: N/A
Hazardous Substances Data: 188263-58-3(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 188263-58-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,8,8,2,6 and 3 respectively; the second part has 2 digits, 5 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 188263-58:
(8*1)+(7*8)+(6*8)+(5*2)+(4*6)+(3*3)+(2*5)+(1*8)=173
173 % 10 = 3
So 188263-58-3 is a valid CAS Registry Number.

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188263-58-3Relevant academic research and scientific papers

The effect of chromenone receptors on the selectivity of the reaction between pyrrolidine and 5-hydroxymethyl-2-(5H)-furanone

Raposo, Cesar,Almaraz, Marta,Martin, Mercedes,Alcazar, Victoria,Caballero, M. Cruz,Morán, Joaquin R.

, p. 173 - 174 (2007/10/03)

Several chromenone-based receptors have been prepared. Despite the self-association of these hosts in CDCl3 they are able to bind hydroxymethylfuranones with a Kass of around 1000 M-1. These compounds are able to accelerate the rate of the reaction of butenolide with pyrrolidine together with the increase of the selectivity.

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