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80634-49-7

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80634-49-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 80634-49-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,0,6,3 and 4 respectively; the second part has 2 digits, 4 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 80634-49:
(7*8)+(6*0)+(5*6)+(4*3)+(3*4)+(2*4)+(1*9)=127
127 % 10 = 7
So 80634-49-7 is a valid CAS Registry Number.

80634-49-7SDS

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 1,4-dimethoxy-1,3-diphenylbutane

1.2 Other means of identification

Product number -
Other names 1,4-dimethoxy-2,4-diphenylbutane

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:80634-49-7 SDS

80634-49-7Downstream Products

80634-49-7Relevant articles and documents

Regioselectivity of the ring opening in the reaction of phenyloxirane, (phenylmethyl)oxirane and (2-phenylethyl)oxirane with K-, K+(15-crown-5)2

Grobelny, Zbigniew,Stolarzewicz, Andrzej,Morejko-Buz, Barbara,Maercker, Adalbert,Krompiec, Stanis?aw,Bieg, Tadeusz

, p. 43 - 51 (2007/10/03)

The electron from potassium anion of K-, K+ (15-crown-5)2 (1) is initially transferred to the aromatic ring of phenyloxirane and (phenylmethyl)oxirane. The oxirane ring is then opened exclusively in the α-position. Two dimeric products, i.e. dipotassium 2,3-diphenylbutane-1,4-dioxide and dipotassium 1,3-diphenylbutane-1,4-dioxide are formed in the case of phenyloxirane. A mixture of several potassium alkoxides involving 3-phenylpropoxide, 3-phenylallyloxide, tetraethylene glycoxide vinyl ether, and appropriate alcohols, i.e. 3-phenyl-1-propanol, 3-phenylallyl alcohol, and tetraethylene glycol vinyl ether, is obtained in the reaction of 1 with (phenylmethyl)oxirane. However, introduction of the second CH2 group into the substituent results in the β-opening of the oxirane ring in (2-phenylethyl)oxirane. Potassium 4-phenylbutane-2-oxide, and potassium tetraethylene glycoxide vinyl ether are the main reaction products in this case. Organometallic intermediates take part in all these processes.

Photochemical Electron-transfer Reaction between Aromatic Olefins and Metal Ions. Dependence of the Reaction Course on the Structure of the Olefins

Kojima, Masanobu,Sakuragi, Hirochika,Tokumaru, Katsumi

, p. 521 - 524 (2007/10/02)

To investigate the photochemical electron transfer from aromatic olefins to copper(II) or iron(III) ions, a series of substituted styrenes (1) was irradiated in the presence of copper(II) or iron(II) salts in methanol, which gave dimethoxylated monomers (2) and one or more of three types of dimethoxylated dimers .The formation of these products are reasonably attributed to the participation of hte cation radicals of the olefins generated by electron transfer from excited olefins to the methal ions.Substituents on the substrates are found to govern the reaction products.

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