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Cyclobutene, 3,4-dichloro-, (3R,4R)-rel- is a chemical compound with the molecular formula C4H4Cl2. It is a chiral molecule, meaning it has a non-superimposable mirror image, and the specific configuration of the chlorine atoms at the 3 and 4 positions is (3R,4R). Cyclobutene, 3,4-dichloro-, (3R,4R)-rel- is a cyclic diene, which means it has a four-membered ring structure with two double bonds. The presence of two chlorine atoms at the 3 and 4 positions provides it with unique chemical properties and reactivity. It is an important intermediate in the synthesis of various organic compounds and can be used in the production of pharmaceuticals, agrochemicals, and other specialty chemicals. Due to its reactive nature, it is typically handled with care in controlled laboratory settings.

1192-02-5

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1192-02-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1192-02-5 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,1,9 and 2 respectively; the second part has 2 digits, 0 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 1192-02:
(6*1)+(5*1)+(4*9)+(3*2)+(2*0)+(1*2)=55
55 % 10 = 5
So 1192-02-5 is a valid CAS Registry Number.

1192-02-5SDS

SAFETY DATA SHEETS

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

Version: 1.0

Creation Date: Aug 18, 2017

Revision Date: Aug 18, 2017

1.Identification

1.1 GHS Product identifier

Product name trans-3,4-dichlorocyclobutene

1.2 Other means of identification

Product number -
Other names (3R,4R)-3,4-Dichloro-cyclobutene

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:1192-02-5 SDS

1192-02-5Relevant academic research and scientific papers

Vibrational spectra and assignment for trans-3,4-dichlorocyclobutene. Revised assignment for the cis isomer

Craig, Norman C.,Hawley, Susan E.,Perry, Catherine L.

, p. 881 - 891 (1991)

A complete assignment of the vibrational fundamentals of trans-3,4-dichlorocyclobutene has been derived from infrared and Raman spectra.These frequencies are: (a) 3107, 2985, 1555, 1283, 1248, 1163, 1126, 1010, 920, 821, 452, 228 and 134 cm-1; (b) 3087, 2998, 1291, 1220, 1171, 956, 889, 782, 606, 327 and 246 cm-1.A long-path, gas-phase infrared spectrum is reported for the cis isomer.After some revisions in the previous assignment of the fundamentals of the cis isomer, notably lowering the ring puckering frequency from 381 to 145 cm-1, good correlations exist between the frequencies for the two isomers and with pertinent modes in cyclobutene itself.

Stereochemistry of Dehydrogenation of 1,4-cyclohexadiene with 2,3-dichloro-5,6-dicyano-p-benzoquinone

Mueller, Paul,Joly, Daniel,Mermoud, Francois

, p. 105 - 112 (2007/10/02)

cis- and trans-(3,6-D2)-1,4-cyclohexadienes 1a and 1b have been synthesized from cis-3,4-dichlorocyclobutene (5).Aromatization to benzene with DDQ is cis-stereospecific with an uncertainty of 5percent.This results is discussed in relation to concerted or stepwise mechanisms for aromatization of 1,4-dihydroaromatics with 2,3-dichloro-5,6-dicyano-p-benzoquinone (DDQ).

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