Cas 21690-30-2,(E)-3-(1-(4-methoxyphenyl)ethylidene)dihydro-2(3H)-furanone

21690-30-2

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Basic information

Product Name: (E)-3-(1-(4-methoxyphenyl)ethylidene)dihydro-2(3H)-furanone
Synonyms: (E)-3-(1-(4-methoxyphenyl)ethylidene)dihydro-2(3H)-furanone
CAS NO:21690-30-2
Molecular Formula:
Molecular Weight: 218.252
EINECS: N/A
Product Categories: N/A
Mol File: 21690-30-2.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)-3-(1-(4-methoxyphenyl)ethylidene)dihydro-2(3H)-furanone(CAS DataBase Reference)
NIST Chemistry Reference: (E)-3-(1-(4-methoxyphenyl)ethylidene)dihydro-2(3H)-furanone(21690-30-2)
EPA Substance Registry System: (E)-3-(1-(4-methoxyphenyl)ethylidene)dihydro-2(3H)-furanone(21690-30-2)

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: 21690-30-2(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 21690-30-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,1,6,9 and 0 respectively; the second part has 2 digits, 3 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 21690-30:
(7*2)+(6*1)+(5*6)+(4*9)+(3*0)+(2*3)+(1*0)=92
92 % 10 = 2
So 21690-30-2 is a valid CAS Registry Number.

21690-30-2Upstream product

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21690-30-2Relevant articles and documents

Highly selective nickel-catalyzed methyl-carboxylation of homopropargylic alcohols for α-alkylidene-γ;-butyrolactones

Li, Suhua,Ma, Shengming

supporting information; experimental part, p. 6046 - 6049 (2012/01/06)

A first practical Ni(0)-catalyzed highly stereoselective methyl-carboxylation of homopropargylic alcohols with ZnMe2 and CO2 for the efficient synthesis of α-alkylidene-γ;- butyrolactones is described. The reaction may be applied to

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