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634-89-9

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634-89-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 634-89-9 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 6,3 and 4 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 634-89:
(5*6)+(4*3)+(3*4)+(2*8)+(1*9)=79
79 % 10 = 9
So 634-89-9 is a valid CAS Registry Number.

634-89-9SDS

SAFETY DATA SHEETS

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

Version: 1.0

Creation Date: Aug 15, 2017

Revision Date: Aug 15, 2017

1.Identification

1.1 GHS Product identifier

Product name 1,2,3,5-tetrabromobenzene

1.2 Other means of identification

Product number -
Other names 1,2,3,5-Tetrabromobenzol

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:634-89-9 SDS

634-89-9Relevant articles and documents

Regioselectivity of reductive debromination of substituted pentabromobenzenes with sodium tert-butoxide in DMSO

Shishkin,Tarasova,Butin

, p. 2379 - 2383 (2007/10/03)

The regioselectivity of reductive debromination of substituted pentabromobenzenes C6Br5X (X = NH2, OMe, Me, H, Cl, F, and NO2) under the action of ButONa in DMSO containing ButOH has been studied. The reaction followed the halophilic mechanism via carbanions.

Aprotic diazotization in the presence of cuprous cyanide

Giumanini, Angelo G.,Verardo, Giancarlo,Geatti, Paola,Strazzolini, Paolo

, p. 7137 - 7148 (2007/10/03)

In a procedure of extreme simplicity and rapidity a mixture of an aromatic primary amine, copper (I) cyanide and an alkyl nitrite in dimethyl sulphoxide yielded fair to moderate yields of the corresponding nitriles. Side processes observed were reduction (NH2&[H), nitration (NH2←NO2) and hydroxylation (NH2&[OH). In the case of polyhaloanilines halogen dance products could be detected.

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