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729-65-7

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729-65-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 729-65-7 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 7,2 and 9 respectively; the second part has 2 digits, 6 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 729-65:
(5*7)+(4*2)+(3*9)+(2*6)+(1*5)=87
87 % 10 = 7
So 729-65-7 is a valid CAS Registry Number.

729-65-7SDS

SAFETY DATA SHEETS

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

Version: 1.0

Creation Date: Aug 19, 2017

Revision Date: Aug 19, 2017

1.Identification

1.1 GHS Product identifier

Product name 2-[(3,5-dimethylphenyl)methyl]-1,3,5-trimethylbenzene

1.2 Other means of identification

Product number -
Other names 2,4,6,3',5'-pentamethyldiphenylmethane

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:729-65-7 SDS

729-65-7Relevant articles and documents

Strategy for Selective Csp2-F and Csp2-Csp2Formations from Organoplatinum Complexes

Sarkissian, Elin,Golbon Haghighi, Mohsen

supporting information, p. 1016 - 1020 (2021/02/05)

By changing the parameters of fluorination reaction of bisaryl-platinum(II) complexes, each possible competitive pathway of Ar-Ar and Ar-F formation can be selectively controlled. It was discovered that steric hindrance, type of fluorinating reagent, and

A Simple Preparation of Diarylmethanes by Oxidative Friedel-Crafts Reaction of Methyl-Substituted Benzenes with o-Chloranil

Kobayashi, Tomoshige,Rahman, Sheikh Maksudur

, p. 3997 - 4003 (2007/10/03)

The reaction of o-chloranil with some methyl-substituted benzenes at elevated temperature was found to be a simple and selective route toward diarylmethanes without need for prior preparation of benzyl halides.

The 1,2,4-triazolyl cation: Thermolytic and photolytic studies

Abramovitch,Beckert,Gibson Jr.,Belcher,Hundt,Sierra,Olivella,Pennington,Sole

, p. 1242 - 1251 (2007/10/03)

The generation of the 1,2,4-triazolyl cation (1) has been attempted by the thermolysis and photolysis of 1-(1,2,4-triazol-4-yl)-2,4,6-trimethylpyridinium tetrafluoroborate (2) and the thermolysis of 1- and 4-diazonium-1,2,4-triazoles, using mainly mesitylene as the trapping agent. Thermolysis of 2 gave mostly 1,2,4-triazole, together with 3-(1,2,4-triazol-4-yl)-2,4,6-trimethylpyridine, 4-(1,2,4-triazol-4-ylmethyl)-2,6-dimethylpyridine, and 4-(2,4,6-trimethylbenzyl)-2,6-dimethylpyridine. Thermolysis, of each of the diazonium salts in the presence of mesitylene again gave mainly triazole together with very low yields of 1-(1,2,4-triazol-1-yl)-2,4,6-trimethylbenzene and the corresponding -4-yl isomer in about the same ratio. On the other hand, photolysis of 2 in mesitylene gave mainly 1-(1,2,4-triazol-1-yl)-2,4,6-trimethylbenzene. A photoinduced electron transfer from mesitylene to 2 has been observed and preliminary laser flash photolyses of 2 and the corresponding 2,4,6-triphenylpyridinium salt have been carried out. The observed transients are explained as arising from the first excited states of the pyridinium salts rather than from 1. Ab initio MO calculations are reported and indicate that the predicted electronic ground-state of the triazolyl cation is a triplet state of B1 symmetry with five π electrons, which corresponds to a diradical cation (1c). Possible mechanisms for the formation of the various products are proposed.

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