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10563-01-6

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10563-01-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 10563-01-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,0,5,6 and 3 respectively; the second part has 2 digits, 0 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 10563-01:
(7*1)+(6*0)+(5*5)+(4*6)+(3*3)+(2*0)+(1*1)=66
66 % 10 = 6
So 10563-01-6 is a valid CAS Registry Number.
InChI:InChI=1/C5H6/c1-3-5-4-2/h3,5H,1-2H2

10563-01-6SDS

SAFETY DATA SHEETS

According to Globally Harmonized System of Classification and Labelling of Chemicals (GHS) - Sixth revised edition

Version: 1.0

Creation Date: Aug 20, 2017

Revision Date: Aug 20, 2017

1.Identification

1.1 GHS Product identifier

Product name penta-1,2,4-triene

1.2 Other means of identification

Product number -
Other names Penta-1,2,4-trien

1.3 Recommended use of the chemical and restrictions on use

Identified uses For industry use only.
Uses advised against no data available

1.4 Supplier's details

1.5 Emergency phone number

Emergency phone number -
Service hours Monday to Friday, 9am-5pm (Standard time zone: UTC/GMT +8 hours).

More Details:10563-01-6 SDS

10563-01-6Relevant articles and documents

Carbenes and the O-H Bond: 3-Cyclopentenylidene. A Novel Approach to Bis(homocyclopropenyl) Cations

Kirmse, Wolfgang,Chiem, Pham Van,Henning, Paul G.

, p. 1695 - 1696 (1983)

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TRICYCLO1,3>PENTANE

Wiberg, Kenneth B.,McClusky, John V.

, p. 5411 - 5414 (2007/10/02)

The reaction of 1,1-dibromo-2,3-bis(chloromethyl)cyclopropane with methyllithium leads initially to ring closure to 1-bromo-2-chloromethylbicyclobutane.Further reaction leads to an unstable compound which reacts with phenylthiol to give 2-vinyl-1-cyclopropyl phenyl sulfide and undergoes thermal rearrangement at -50 deg C to give cyclopentadiene.Strong evidence is presented which suggests that tricyclo1,3>pentane may be the intermediate.

THE DIAZO ROUTE TO 2-VINYLCYCLOPROPYLIDENES

Krimse, Wolfgang,Chiem, Pham Van,Henning, Paul-Georg

, p. 1441 - 1452 (2007/10/02)

2-Vinylcyclopropylidene (2), 3-methyl-2-vinylcyclopropylidenes (79,80) and 2-(1-propenyl)cyclopropylidenes (95,97) were generated from the corresponding nitrosoureas in methanol at room temperature.The diazo route is initiated by the formation of 2-vinylcyclopropanediazonium ions (e.g. 43) which do not undergo 1,3-carbon shifts.No cyclopentenyl products were found in weakly basic methanol where the diazonium ions prevail.Ring opening of the diazonium ions gives pentadienyl cations and products derived therefrom.Delocalisation of the pentadienyl cations was demonstrated by the distribution of deuterium and methyl labels.In the presence of strong base, 1-diazo-2-vinylcyclopropanes (e.g. 48) arise by deprotonation of the diazonium ions.Rearrangement of 48 was excluded by independent generation of the potential product, 4-diazocyclopentene (103).Substantial quantities of 3-methoxycyclopentene (108) were obtained from 103, but not from 48.The 2-vinylcyclopropylidenes 2, 79 and 95, arising by loss of nitrogen from the corresponding diazo compounds, undergo allene formation and Skatteboel rearrangement competitively.Cis-oriented methyl groups at either C-2 (81) or C-2' (97) prevent the Skattebol rearrangement.The cyclopentenylidenes 3 and 83 yield 4-methoxycyclopentes (52,86) in excess over cyclopentadiens (4,84).In the presence of methyl vinyl ether, cycloaddition of 3 and electrophilic addition of 3-cyclopentenyl cation (51) occured in a 1:14 ratio.Stereospecific formation of 52 indicates protonation of a 'foiled carbene' (3a) to give a bishomocyclopropenyl ion (51a).Our studies confirm that the various routes to 2-vinylcyclopropylidenes converge at the carbene stage.

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