Cas 97181-04-9,[5-(4-Ethoxy-phenyl)-3-oxo-3H-furan-(2Z)-ylidene]-acetic acid ethyl ester

97181-04-9

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Basic information

Product Name: [5-(4-Ethoxy-phenyl)-3-oxo-3H-furan-(2Z)-ylidene]-acetic acid ethyl ester
Synonyms:
CAS NO:97181-04-9
Molecular Formula:
Molecular Weight: 288.3
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: [5-(4-Ethoxy-phenyl)-3-oxo-3H-furan-(2Z)-ylidene]-acetic acid ethyl ester(CAS DataBase Reference)
NIST Chemistry Reference: [5-(4-Ethoxy-phenyl)-3-oxo-3H-furan-(2Z)-ylidene]-acetic acid ethyl ester(97181-04-9)
EPA Substance Registry System: [5-(4-Ethoxy-phenyl)-3-oxo-3H-furan-(2Z)-ylidene]-acetic acid ethyl ester(97181-04-9)

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: 97181-04-9(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 97181-04-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,7,1,8 and 1 respectively; the second part has 2 digits, 0 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 97181-04:
(7*9)+(6*7)+(5*1)+(4*8)+(3*1)+(2*0)+(1*4)=149
149 % 10 = 9
So 97181-04-9 is a valid CAS Registry Number.

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97181-04-9Relevant academic research and scientific papers

CHEMISTRY OF THE OXALYL DERIVATIVES OF ETHYL KETONES. XXXIX. REACTION OF 5-ARYL-2,3-DIHYDROFURAN-2,3-DIONES WITH METHYLENETRIPHENYLPHOSPHORANES

Andreichikov, Yu. S.,Koz'minykh, V. O.,Manelova, E. N.

, p. 363 - 366 (2007/10/02)

5-Aryl-2,3-dihydrofuran-2,3-diones react with alkoxycarbonylmethylene- and cyanomethylenetriphenylphosphoranes at the lactone carbonyl with the formation of 2-methyl-5-aryl-2,3-dihydrofuran-3-ones.

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