Cas 134682-79-4,3-Methyl-2-((3aS,3bR,7aR)-3-oxo-3bH-2-oxa-cyclopenta[1,3]cyclopropa[1,2]benzen-3a-yl)-but-2-enoic acid benzyl ester

134682-79-4

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Basic information

Product Name: 3-Methyl-2-((3aS,3bR,7aR)-3-oxo-3bH-2-oxa-cyclopenta[1,3]cyclopropa[1,2]benzen-3a-yl)-but-2-enoic acid benzyl ester
Synonyms: 3-Methyl-2-((3aS,3bR,7aR)-3-oxo-3bH-2-oxa-cyclopenta[1,3]cyclopropa[1,2]benzen-3a-yl)-but-2-enoic acid benzyl ester
CAS NO:134682-79-4
Molecular Formula:
Molecular Weight: 336.387
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: 3-Methyl-2-((3aS,3bR,7aR)-3-oxo-3bH-2-oxa-cyclopenta[1,3]cyclopropa[1,2]benzen-3a-yl)-but-2-enoic acid benzyl ester(CAS DataBase Reference)
NIST Chemistry Reference: 3-Methyl-2-((3aS,3bR,7aR)-3-oxo-3bH-2-oxa-cyclopenta[1,3]cyclopropa[1,2]benzen-3a-yl)-but-2-enoic acid benzyl ester(134682-79-4)
EPA Substance Registry System: 3-Methyl-2-((3aS,3bR,7aR)-3-oxo-3bH-2-oxa-cyclopenta[1,3]cyclopropa[1,2]benzen-3a-yl)-but-2-enoic acid benzyl ester(134682-79-4)

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: 134682-79-4(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 134682-79-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,4,6,8 and 2 respectively; the second part has 2 digits, 7 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 134682-79:
(8*1)+(7*3)+(6*4)+(5*6)+(4*8)+(3*2)+(2*7)+(1*9)=144
144 % 10 = 4
So 134682-79-4 is a valid CAS Registry Number.

134682-79-4Upstream product

134682-74-9 3,3-Dimethyl-cycloprop-1-ene-1,2-dicarboxylic acid dibenzyl ester

134682-79-4Downstream Products

134682-88-5 3-Methyl-2-(3-oxo-isochroman-4-yl)-but-2-enoic acid benzyl ester

134682-79-4Relevant academic research and scientific papers

Stabilization of γ-lactam and lactone ring-fused norcaradienes by protonation: DFT calculations of norcaradiene and the corresponding cycloheptatriene structures

Kohmoto, Shigeo,Motomura, Tatsuya,Takahashi, Masahiro,Kishikawa, Keiki

experimental part, p. 47 - 51 (2010/04/28)

Stabilization of norcaradiene structures of γ-lactone and lactam ring-fused 7-vinylnorcaradienes 1a-1e in their norcaradiene - cycloheptatriene valence isomerization was achieved by protonation. Induced 13C NMR chemical shifts caused by protona

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