Cas 161690-57-9,5,8-Dimethoxy-3-phenyl-3a,9a-dihydro-naphtho[2,3-d]isoxazole-4,9-dione

161690-57-9

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Basic information

Product Name: 5,8-Dimethoxy-3-phenyl-3a,9a-dihydro-naphtho[2,3-d]isoxazole-4,9-dione
Synonyms: 5,8-Dimethoxy-3-phenyl-3a,9a-dihydro-naphtho[2,3-d]isoxazole-4,9-dione
CAS NO:161690-57-9
Molecular Formula:
Molecular Weight: 337.332
EINECS: N/A
Product Categories: N/A
Mol File: 161690-57-9.mol
Article Data: 1

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: 5,8-Dimethoxy-3-phenyl-3a,9a-dihydro-naphtho[2,3-d]isoxazole-4,9-dione(CAS DataBase Reference)
NIST Chemistry Reference: 5,8-Dimethoxy-3-phenyl-3a,9a-dihydro-naphtho[2,3-d]isoxazole-4,9-dione(161690-57-9)
EPA Substance Registry System: 5,8-Dimethoxy-3-phenyl-3a,9a-dihydro-naphtho[2,3-d]isoxazole-4,9-dione(161690-57-9)

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: 161690-57-9(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 161690-57-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,6,1,6,9 and 0 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 161690-57:
(8*1)+(7*6)+(6*1)+(5*6)+(4*9)+(3*0)+(2*5)+(1*7)=139
139 % 10 = 9
So 161690-57-9 is a valid CAS Registry Number.

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161690-57-9Relevant articles and documents

1,3-DIPOLAR CYCLOADDITION OF NITRILE OXIDES TO 1,4-NAPHTHOQUINONE DERIVATIVES

Farina, Francisco,Martin, M. Victoria,Munoz, Marta,Paredes, M. Carmen,Rodriguez, Raquel

, p. 413 - 424 (2007/10/02)

The 1,3-dipolar cycloadditions of benzonitrile and bromoformonitrile oxides (4 and 5 ) to naphthoquinone derivatives (3) proceed across the C=C double bond to afford naphthoisoxazolinediones.In the reaction with benzonitrile oxide (4) the initial cycloadd

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