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54582-33-1

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54582-33-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 54582-33-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,4,5,8 and 2 respectively; the second part has 2 digits, 3 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 54582-33:
(7*5)+(6*4)+(5*5)+(4*8)+(3*2)+(2*3)+(1*3)=131
131 % 10 = 1
So 54582-33-1 is a valid CAS Registry Number.

54582-33-1SDS

SAFETY DATA SHEETS

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

Version: 1.0

Creation Date: Aug 11, 2017

Revision Date: Aug 11, 2017

1.Identification

1.1 GHS Product identifier

Product name Di-1H-pyrrol-1-ylmethanone

1.2 Other means of identification

Product number -
Other names 1,1'-CARBONIMIDOYLBIS-1H-IMIDAZOLE

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:54582-33-1 SDS

54582-33-1Relevant articles and documents

Aluminum(III)-Catalyzed, Formal Homo-Nazarov-Type Ring-Opening Cyclizations toward the Synthesis of Functionalized Tetrahydroindolizines

Cavitt, Marchello A.,France, Stefan

, p. 1910 - 1919 (2016)

A general approach to functionalized 5,6,7,8-tetrahydroindolizines (THIs) is disclosed. The THIs are directly formed from Al(OTf)3-catalyzed, formal homo-Nazarov-type ring-opening cyclizations of N-pyrrolyl cyclopropyl malonamides. The THI products were stable to silica gel chromatography and isolated in up to 97% yield with diastereomeric ratios up to 4.0:1. The cyclization demonstrates good substrate scope as aryl, heteroaryl, gem-dialkyl, heteroatomic, and silylmethyl donor groups on the cyclopropane are tolerated. Moreover, the protocol is both pharmaceutically relevant and environmentally friendly as a cheap, earth-abundant metal catalyst is used along with acetonitrile as a greener solvent.

Tetrakis-(N-pyrrolyl)methane: Structurally Important Member of the C(NR2)4 Family

Sun, Guanxing,Butler, Douglas N.,Warrener, Ronald N.,Margeti?, Davor

, p. 1195 - 1200 (2015/08/06)

The structural motif C(NR2)4 is rare in chemistry. The formation, NMR spectroscopic characteristics, and X-ray structure are reported for a structurally interesting member of this family, namely tetrakis-(N-pyrrolyl)methane.

Carbonic acid diester activation by polymer-bound DBU and its relevance to catalytic N-carbonylation of N-heteroaromatics: Direct evidence for an elusive N-carboxy-substituted amidinium cation intermediate

Quaranta, Eugenio,Angelini, Antonella,Carafa, Marianna,Dibenedetto, Angela,Mele, Valentina

, p. 195 - 202 (2014/01/23)

Polymer-bound DBU (PS-DBU, DBU = 1,8-diazabicyclo[5.4.0]undec-7-ene) is an effective and selective catalyst for solventless N-phenoxycarbonylation of N-heteroaromatics (pyrrole (1), indole (2), and carbazole (3)) with diphenyl carbonate (DPC), used as an

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