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391678-46-9

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391678-46-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 391678-46-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,9,1,6,7 and 8 respectively; the second part has 2 digits, 4 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 391678-46:
(8*3)+(7*9)+(6*1)+(5*6)+(4*7)+(3*8)+(2*4)+(1*6)=189
189 % 10 = 9
So 391678-46-9 is a valid CAS Registry Number.

391678-46-9SDS

SAFETY DATA SHEETS

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

Version: 1.0

Creation Date: Aug 19, 2017

Revision Date: Aug 19, 2017

1.Identification

1.1 GHS Product identifier

Product name 1-but-3-ynoxy-4-methylbenzene

1.2 Other means of identification

Product number -
Other names Benzene,1-(3-butyn-1-yloxy)-4-methyl

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:391678-46-9 SDS

391678-46-9Relevant articles and documents

Improved Synthesis of C2 and C6 Monoderivatives of α- And β-Cyclodextrin via the Click Chemistry Approach

Chmurski, Kazimierz,Stepniak, Pawel,Jurczak, Janusz

supporting information, p. 1838 - 1843 (2015/06/30)

An efficient multigram-scale azide-alkyne coupling of cyclodextrin derivatives mono-6-azido-6-deoxy-β-cyclodextrin, mono-2-O-propargyl-β-cyclodextrin, and mono-2-O-propargyl-α-cyclodextrin with terminal alkynyl aryl ethers or azides, mediated by copper(I) is reported. This process uses a stoichiometric ratio of substrates and 5 mol% of the copper catalyst to give the products with full conversion; thus, no chromatographic purification is necessary. The yields of both α- and β-cyclodextrin derivatives are in the range of 80 to 99%.

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