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4537-22-8

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4537-22-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 4537-22-8 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 4,5,3 and 7 respectively; the second part has 2 digits, 2 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 4537-22:
(6*4)+(5*5)+(4*3)+(3*7)+(2*2)+(1*2)=88
88 % 10 = 8
So 4537-22-8 is a valid CAS Registry Number.

4537-22-8SDS

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 bis(1-naphthyl) telluride

1.2 Other means of identification

Product number -
Other names di-(1-naphthyl) telluride

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:4537-22-8 SDS

4537-22-8Relevant articles and documents

New and Facile Synthesis of Symmetrical and Unsymmetrical Diaryl Chalcogenides Using Trivalent Organobismuth Derivatives

Arnauld, Thomas,Barton, Derek H. R.,Normant, Jean-Francois

, p. 3722 - 3725 (1999)

-

SYNTHESIS AND REACTIONS OF 2-NAPHTHYLTELLURIUM TRICHLORIDE

Bergman, Jan,Engman, Lars

, p. 1275 - 1276 (2007/10/02)

TeCl4 and naphtalene, when heated to 110 deg C in the abscence of a solvent, yielded 2-naphtyltellurium trichloride (2), which on treatment with degassed Raney Ni afforded 2,2'-binaphthyl in excellent yield.Reaction of 2 with propene and cis-2-butene produced the corresponding 1:1 adducts, which however could not be coupled to 2-(2-chloroalkyl)naphthalenes with this reagent.

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