Cas 143948-99-6,Benzoic acid 2-oxo-5-((1E,3Z)-penta-1,3-dienyl)-cyclohex-(E)-ylidenemethyl ester

143948-99-6

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Basic information

Product Name: Benzoic acid 2-oxo-5-((1E,3Z)-penta-1,3-dienyl)-cyclohex-(E)-ylidenemethyl ester
Synonyms:
CAS NO:143948-99-6
Molecular Formula:
Molecular Weight: 296.366
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: Benzoic acid 2-oxo-5-((1E,3Z)-penta-1,3-dienyl)-cyclohex-(E)-ylidenemethyl ester(CAS DataBase Reference)
NIST Chemistry Reference: Benzoic acid 2-oxo-5-((1E,3Z)-penta-1,3-dienyl)-cyclohex-(E)-ylidenemethyl ester(143948-99-6)
EPA Substance Registry System: Benzoic acid 2-oxo-5-((1E,3Z)-penta-1,3-dienyl)-cyclohex-(E)-ylidenemethyl ester(143948-99-6)

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: 143948-99-6(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 143948-99-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,3,9,4 and 8 respectively; the second part has 2 digits, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 143948-99:
(8*1)+(7*4)+(6*3)+(5*9)+(4*4)+(3*8)+(2*9)+(1*9)=166
166 % 10 = 6
So 143948-99-6 is a valid CAS Registry Number.

143948-99-6Upstream product

143948-96-3 Benzoic acid 2-oxo-5-((E)-penta-2,4-dienyl)-cyclohex-(E)-ylidenemethyl ester

143948-99-6Downstream Products

143948-99-6Relevant academic research and scientific papers

Synthetic approach to stemodin-A novel stereocontrolled construction of the stemodane system by the successive intramolecular Diels-Alder reactions

Toyota, Masahiro,Seishi, Takashi,Yokoyama, Masaharu,Fukumoto, Keiichiro,Kabuto, Chizuko

, p. 4581 - 4584 (1992)

The tetracyclic compound 18, possessing the stemodane skeleton, was synthesized from 1,4-cyclohexanedione monoethylene ketal 7. The key steps, 6→5 and 16→18, involve intramolecular Diels-Alder reaction.

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