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141119-43-9

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141119-43-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 141119-43-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,1,1,1 and 9 respectively; the second part has 2 digits, 4 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 141119-43:
(8*1)+(7*4)+(6*1)+(5*1)+(4*1)+(3*9)+(2*4)+(1*3)=89
89 % 10 = 9
So 141119-43-9 is a valid CAS Registry Number.

141119-43-9SDS

SAFETY DATA SHEETS

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

Version: 1.0

Creation Date: Aug 14, 2017

Revision Date: Aug 14, 2017

1.Identification

1.1 GHS Product identifier

Product name syn-7-(1-methyl)-2,3-diazabicyclo[2.2.1]hept-2-ene

1.2 Other means of identification

Product number -
Other names -

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:141119-43-9 SDS

141119-43-9Downstream Products

141119-43-9Relevant articles and documents

Comparative study of the pyrolysis, photoinduced electron transfer (PET), and laser-jet and 185-nm photochemistry of alkyl-substituted bicyclic azoalkanes

Adam, Waldmar,Denninger, Uwe,Finzel, Ralf,Kita, Fumio,Platsch, Herbert,Walter, Herbert,Zang, Gerald

, p. 5027 - 5035 (2007/10/02)

The gas-phase pyrolysis, photoinduccd electron transfer (PET), and laser-jet 185-nm photochemistry of 2,3-diazabicyclo[2.2.1]hept-2-ene (1a), syn-7-methyl-2,3-diazabicyclo[2.2.1]hept-2-ene (syn-1b), anti-7-methyl-2,3-diazabicyclo[2.2.1]hept-2-ene (anti-1b), 1,4-dimethyl-2,3-diazabicyclo[2.2.1]hept-2-ene (1c), 7,7-dimethyl-2,3-diazabicyclo[2.2.1]hept-2-ene (1d), syn-7-(1-methylethyl)-2,3-diazabicyclo[2.2.2]hept-2-ene (syn-1e) were investigated and the results of their product studies compared with one another. Pyrolysis and conventional direct and benzophenone-sensitized 350-nm photolysis of the azoalkanes 1 yielded the bicyclo[2.1.0]pentanes 2 and negligible amounts of cyclopentenes 3. PET and benzophenone-sensitized laser-jet and 185-nm photolysis of the azoalkanes 1 led to significant quantities of cyclopentene derivatives 3, a bekavior that is attributed to radical cation-type 1,3-cyclopentadiyl intermediates, which subsequently suffer hydrogen or alkyl migration. The polar character of the radial cation D?+ is clearly demonstrated by the Wagner-Meerwein rearrangement into 2,3-dimethylcyclopentene (3′d) in the PET and 185-nm photolysis of azoalkane 1d. When the corresponding 1,3-cyclopentadiyl D?? was generated in the pyrolysis of 5,5-dimethylbicyclo[2.1.0]pentane (2d), the 3,3-dimethyl-1,4-pentadiene (4d) was obtained as the exclusive reaction product; instead of methyl migration, fragmentation into the 1,4-diene took place. The PET chemistry of the stereochemically labeled azoalkanes syn- and anti-1b revealed that the radical cations D?+ have a puckered geometry, because a stereochemical memory effect was observed for the cyclopentene products 3. Specifically, the pseudoaxial substituent at the stereolabled center migrates with preference, which speaks for a coplanar arrangement for the rearrangement in D?+. The common and distinct mechanistic features of the denitrogenation process of the various thermal and photochemical activation modes will be discussed.

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