Cas 291505-92-5,4,5-dimethoxy-2-(phenylethynyl)-2-(trimethylsilyloxy)-3,5-cyclohexadienone

291505-92-5

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Basic information

Product Name: 4,5-dimethoxy-2-(phenylethynyl)-2-(trimethylsilyloxy)-3,5-cyclohexadienone
Synonyms: 4,5-dimethoxy-2-(phenylethynyl)-2-(trimethylsilyloxy)-3,5-cyclohexadienone
CAS NO:291505-92-5
Molecular Formula:
Molecular Weight: 342.467
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: 4,5-dimethoxy-2-(phenylethynyl)-2-(trimethylsilyloxy)-3,5-cyclohexadienone(CAS DataBase Reference)
NIST Chemistry Reference: 4,5-dimethoxy-2-(phenylethynyl)-2-(trimethylsilyloxy)-3,5-cyclohexadienone(291505-92-5)
EPA Substance Registry System: 4,5-dimethoxy-2-(phenylethynyl)-2-(trimethylsilyloxy)-3,5-cyclohexadienone(291505-92-5)

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: 291505-92-5(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 291505-92-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,9,1,5,0 and 5 respectively; the second part has 2 digits, 9 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 291505-92:
(8*2)+(7*9)+(6*1)+(5*5)+(4*0)+(3*5)+(2*9)+(1*2)=145
145 % 10 = 5
So 291505-92-5 is a valid CAS Registry Number.

291505-92-5Upstream product

291505-92-5Downstream Products

291505-92-5Relevant academic research and scientific papers

Cyclic Allenes or Diradicals in the Cyclization Reactions of Dienynes Generated by Photolysis of Alkynylcyclohexadienones

Fernandez-Zertuche, Mario,Hernandez-Lamoneda, Ramon,Ramirez-Solis, Alejandro

, p. 5207 - 5211 (2000)

Reported here are some rearrangements involving the electrocyclic ring closure of dieneynes 7. Such ring closures are envisaged to possibly give strained substituted cyclic allenes 8 which could also behave as diradicals 8a. The results show that compound

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