Cas 91416-32-9,3H-2-Benzopyran-3,3-dicarboxylic acid, 1,4-dihydro-1-oxo-, diethyl ester

91416-32-9

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Basic information

Product Name: 3H-2-Benzopyran-3,3-dicarboxylic acid, 1,4-dihydro-1-oxo-, diethyl ester
Synonyms:
CAS NO:91416-32-9
Molecular Formula: C15H16O6
Molecular Weight: 292.288
EINECS: N/A
Product Categories: N/A
Mol File: 91416-32-9.mol
Article Data: 1

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: 3H-2-Benzopyran-3,3-dicarboxylic acid, 1,4-dihydro-1-oxo-, diethyl ester(CAS DataBase Reference)
NIST Chemistry Reference: 3H-2-Benzopyran-3,3-dicarboxylic acid, 1,4-dihydro-1-oxo-, diethyl ester(91416-32-9)
EPA Substance Registry System: 3H-2-Benzopyran-3,3-dicarboxylic acid, 1,4-dihydro-1-oxo-, diethyl ester(91416-32-9)

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: 91416-32-9(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 91416-32-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,1,4,1 and 6 respectively; the second part has 2 digits, 3 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 91416-32:
(7*9)+(6*1)+(5*4)+(4*1)+(3*6)+(2*3)+(1*2)=119
119 % 10 = 9
So 91416-32-9 is a valid CAS Registry Number.

91416-32-9Upstream product

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91416-32-9Relevant articles and documents

THERMAL ADDITION REACTIONS TO BENZOCYCLOBUTENONES STUDIED BY FLASH PHOTOLYSIS

Schiess, P.,Eberle, M.,Huys-Francotte, M.,Wirz, J.

, p. 2201 - 2204 (2007/10/02)

Ortho-quinoid vinylketenes 2 have been generated thruogh flash photolysis of benzocyclobutenones 1.A kinetic study of intermolecular addition reactions of 2 competing with the recyclization 2 -> 1 reveals strikingly different substituent effects for the addition of methanol and of dienophiles.

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