Cas 54857-49-7,3-oxo-(4at,7at)-1,3,4,4a,7,7a-hexahydro-1r,4c-etheno-cyclopenta[c]pyran-9-carboxylic acid methyl ester

54857-49-7

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Basic information

Product Name: 3-oxo-(4at,7at)-1,3,4,4a,7,7a-hexahydro-1r,4c-etheno-cyclopenta[c]pyran-9-carboxylic acid methyl ester
Synonyms: 3-oxo-(4at,7at)-1,3,4,4a,7,7a-hexahydro-1r,4c-etheno-cyclopenta[c]pyran-9-carboxylic acid methyl ester
CAS NO:54857-49-7
Molecular Formula:
Molecular Weight: 220.225
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-oxo-(4at,7at)-1,3,4,4a,7,7a-hexahydro-1r,4c-etheno-cyclopenta[c]pyran-9-carboxylic acid methyl ester(CAS DataBase Reference)
NIST Chemistry Reference: 3-oxo-(4at,7at)-1,3,4,4a,7,7a-hexahydro-1r,4c-etheno-cyclopenta[c]pyran-9-carboxylic acid methyl ester(54857-49-7)
EPA Substance Registry System: 3-oxo-(4at,7at)-1,3,4,4a,7,7a-hexahydro-1r,4c-etheno-cyclopenta[c]pyran-9-carboxylic acid methyl ester(54857-49-7)

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: 54857-49-7(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 54857-49-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,4,8,5 and 7 respectively; the second part has 2 digits, 4 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 54857-49:
(7*5)+(6*4)+(5*8)+(4*5)+(3*7)+(2*4)+(1*9)=157
157 % 10 = 7
So 54857-49-7 is a valid CAS Registry Number.

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54857-49-7Relevant academic research and scientific papers

Properties and Cage Lactone Synthesis of Diels-Alder Adducts from 2-Pyrones

Shimo, Tetsuro,Nagahama, Hideki,Yorozu, Kiyotaka,Somekawa, Kenichi

, p. 801 - 802 (2007/10/02)

New cage lactones were synthesized by the photocyclization of the tricyclodienolactones 1a, 1b, 2 which were available from the Diels-Alder reactions of 2-pyrones with p-benzoquinones or norbornadiene.Retro-Diels-Alder reactions of cross-adducts between 2-pyrone-mono-adducts and p-benzoquinone were also described.

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