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14919-17-6

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14919-17-6 Usage

Uses

Benzene-1,2,4,5-d4 (CAS# 14919-17-6) is a useful isotopically labeled research compound.

Check Digit Verification of cas no

The CAS Registry Mumber 14919-17-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,4,9,1 and 9 respectively; the second part has 2 digits, 1 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 14919-17:
(7*1)+(6*4)+(5*9)+(4*1)+(3*9)+(2*1)+(1*7)=116
116 % 10 = 6
So 14919-17-6 is a valid CAS Registry Number.

14919-17-6SDS

SAFETY DATA SHEETS

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

Version: 1.0

Creation Date: Aug 17, 2017

Revision Date: Aug 17, 2017

1.Identification

1.1 GHS Product identifier

Product name BENZENE-1,2,4,5-D4

1.2 Other means of identification

Product number -
Other names n-Tetradecanvinylaether

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:14919-17-6 SDS

14919-17-6Downstream Products

14919-17-6Relevant articles and documents

-

Best,Wilson

, p. 239,243 (1946)

-

Mechanism of the Cyclopropane "Walk" Rearrangement: Syntheses and Properties of 2-Diazopropane-Arene Adducts; a Regiospecific N2 Elimination

Klaerner, Frank-Gerrit,Glock, Volker,Hemmes, Jan-Luiken

, p. 1869 - 1879 (2007/10/02)

The synthesis and the thermal and photochemical behavior of 2-diazopropane adducts of toluene 1a, m-xylene 1b,c, and Dewar benzene 2a,b are reported.At 60 deg C the thermal N2 elimination of the specifically deuterated compound 1c proceeds regiospecifically leading to 1,7,7-trimethyl-5-(trideuteriomethyl)-1,3,5-cycloheptatriene (12c), whereas the photolysis of 1c sensitized by benzophenone yields both regioisomeric cycloheptatrienes 12c and 13c in a 51:49 ratio.This finding excludes the symmetrical diradical 3c as an intermediate in the thermal N2 elimination of 1c and suggests a novel pericyclic process for it.The formation of both regioisomeric cycloheptatrienes 25b and 25c in a 74:26 ratio in the thermolysis of the diazopropane-tetradeuterio Dewar benzene adduct 2b indicates that in this case a multi-step N2 elimination passing through the diradical intermediate 3e competes with the concerted process.According to force-field calculations the course of the N2 elimination in 1a-e might be controlled by the conformational equilibrium A B.

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