Cas 21958-21-4,3,4-dibromo-5-(2,4,6-trimethoxy-phenyl)-5<i>H</i>-furan-2-one

21958-21-4

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Basic information

Product Name: 3,4-dibromo-5-(2,4,6-trimethoxy-phenyl)-5H-furan-2-one
Synonyms: 3,4-dibromo-5-(2,4,6-trimethoxy-phenyl)-5H-furan-2-one
CAS NO:21958-21-4
Molecular Formula:
Molecular Weight: 408.043
EINECS: N/A
Product Categories: N/A
Mol File: 21958-21-4.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: 3,4-dibromo-5-(2,4,6-trimethoxy-phenyl)-5H-furan-2-one(CAS DataBase Reference)
NIST Chemistry Reference: 3,4-dibromo-5-(2,4,6-trimethoxy-phenyl)-5H-furan-2-one(21958-21-4)
EPA Substance Registry System: 3,4-dibromo-5-(2,4,6-trimethoxy-phenyl)-5H-furan-2-one(21958-21-4)

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: 21958-21-4(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 21958-21-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,1,9,5 and 8 respectively; the second part has 2 digits, 2 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 21958-21:
(7*2)+(6*1)+(5*9)+(4*5)+(3*8)+(2*2)+(1*1)=114
114 % 10 = 4
So 21958-21-4 is a valid CAS Registry Number.

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21958-21-4Relevant articles and documents

Lewis and Br?nsted acid catalyzed Friedel-Crafts hydroxyalkylation of mucohalic acids: a facile synthesis of functionalized γ-aryl γ-butenolides

Zhang, Ji,Blazecka, Peter G.,Curran, Timothy T.

, p. 2611 - 2615 (2007/10/03)

A catalytic, green and practical method for Friedel-Crafts hydroxyalkylation of mucohalic acid has been accomplished. Reaction of mucohalic acids with various electron-rich aromatic compounds in the presence of catalytic (1 mol % to 10 mol %) In(OTf)

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