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2121-66-6

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2121-66-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 2121-66-6 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 2,1,2 and 1 respectively; the second part has 2 digits, 6 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 2121-66:
(6*2)+(5*1)+(4*2)+(3*1)+(2*6)+(1*6)=46
46 % 10 = 6
So 2121-66-6 is a valid CAS Registry Number.

2121-66-6SDS

SAFETY DATA SHEETS

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

Version: 1.0

Creation Date: Aug 14, 2017

Revision Date: Aug 14, 2017

1.Identification

1.1 GHS Product identifier

Product name tetraethyl propane-1,1,3,3-tetracarboxylate

1.2 Other means of identification

Product number -
Other names propane-1,1,3,3-tetracarboxylic acid tetraethyl ester

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:2121-66-6 SDS

2121-66-6Relevant articles and documents

Reaktionen mit Aziridinen (Aziranen), XXVI. Aminkatalysierte Amidoethylierungen von β-Dicarbonylverbindungen Eine einfache Synthese von 2-Methylpyrrol-1,3-dicarbonester

Stamm, Helmut,Gailius, Viktor

, p. 3599 - 3608 (2007/10/02)

Esters of nonsubstituted and monosubstituted malonic, cyanoacetic, and β-keto acids are easily C-amidoethylated by N-acylaziridines in the presence of triethylamine.In this amine catalyzed reaction the acylaziridines show different degrees of reactivity.Often the products cannot be obtained by the known amidoethylation procedure or but in smaller yields.The new products 3g may smoothly be converted to the pyrroline 9 and further to the 2-methylpyrrole-1,3-dicarboxylate 10. - Divergent from earlier results, the primary amidoethylation product can be isolated from the known sodium salt reaction of tert-butyl acetoacetate with nonbulky acylaziridines.This product is cleaved by trifluoroacetic acid with remarkable easiness to yield the corresponding amidoethyl derivate of acetone.

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