Cas 87443-18-3,(E)-5-(4-Chloro-phenyl)-5-hydroxy-4-oxo-pent-2-enoic acid methyl ester

87443-18-3

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Basic information

Product Name: (E)-5-(4-Chloro-phenyl)-5-hydroxy-4-oxo-pent-2-enoic acid methyl ester
Synonyms: (E)-5-(4-Chloro-phenyl)-5-hydroxy-4-oxo-pent-2-enoic acid methyl ester
CAS NO:87443-18-3
Molecular Formula:
Molecular Weight: 254.67
EINECS: N/A
Product Categories: N/A
Mol File: 87443-18-3.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: (E)-5-(4-Chloro-phenyl)-5-hydroxy-4-oxo-pent-2-enoic acid methyl ester(CAS DataBase Reference)
NIST Chemistry Reference: (E)-5-(4-Chloro-phenyl)-5-hydroxy-4-oxo-pent-2-enoic acid methyl ester(87443-18-3)
EPA Substance Registry System: (E)-5-(4-Chloro-phenyl)-5-hydroxy-4-oxo-pent-2-enoic acid methyl ester(87443-18-3)

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: 87443-18-3(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 87443-18-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,7,4,4 and 3 respectively; the second part has 2 digits, 1 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 87443-18:
(7*8)+(6*7)+(5*4)+(4*4)+(3*3)+(2*1)+(1*8)=153
153 % 10 = 3
So 87443-18-3 is a valid CAS Registry Number.

87443-18-3Upstream product

87443-11-6 5-[(4-Chloro-phenyl)-hydroxy-methyl]-furan-2-carboxylic acid

87443-18-3Downstream Products

87443-18-3Relevant articles and documents

A NOVEL AND DIRECT PRODUCTION OF HYDROXYPYRONES FROM FUROIC ACID DERIVATIVES.

Pelter, Andrew,Ward, Robert S.,James, D. Clive,Kamakshi, C.

, p. 3133 - 3136 (1983)

Alkaline bromine-methanol oxidation of 5-(α-hydroxybenzyl)furoic acids gives 6-aryl-5-hydroxy-2H-pyran-2-ones by a unique multistep oxidative decarboxylation-ring expansion sequence.Some studies into the reaction sequence are given.

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