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73931-44-9

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73931-44-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 73931-44-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,3,9,3 and 1 respectively; the second part has 2 digits, 4 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 73931-44:
(7*7)+(6*3)+(5*9)+(4*3)+(3*1)+(2*4)+(1*4)=139
139 % 10 = 9
So 73931-44-9 is a valid CAS Registry Number.

73931-44-9SDS

SAFETY DATA SHEETS

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

Version: 1.0

Creation Date: Aug 13, 2017

Revision Date: Aug 13, 2017

1.Identification

1.1 GHS Product identifier

Product name 1,2,5-tribromo-3-methoxybenzene

1.2 Other means of identification

Product number -
Other names Benzene,1,2,5-tribromo-3-methoxy

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:73931-44-9 SDS

73931-44-9Relevant articles and documents

A study on the metalation of alkoxydibromobenzenes

Da?browski, Marek,Kubicka, Joanna,Luliński, Sergiusz,Serwatowski, Janusz

, p. 4175 - 4178 (2007/10/03)

The metalation of (quasi)alkoxy-substituted dibromobenzenes C 6H3(OR)Br2 with lithium diisopropylamide (LDA) has been investigated. For 1-(quasi)alkoxy-3,5-dibromobenzenes (R = Me, TMS), different selectivities were observ

POLYBROMINATED AROMATIC COMPOUNDS. III. SYNTHESIS OF BROMINE-SUBSTITUTED ANISOLES

Shishkin, V. N.,Tanaseichuk, B. S.,Lapin, K. K.,Ivkina, A. A.,Butin, K. P.

, p. 2357 - 2366 (2007/10/02)

Reliable methods were developed for the synthesis of di-, tri-, and tetrabromoanisoles, and all the possible individual isomers were synthesized.The structures of the isomers were proved by alternative synthesis and spectral methods (PMR, IR).It was shown that the published data are incorrect in a number of cases; either the final product was assigned the incorrect structure, or the published methods led to mixture of the various isomers.

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