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4937-86-4

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4937-86-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 4937-86-4 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 4,9,3 and 7 respectively; the second part has 2 digits, 8 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 4937-86:
(6*4)+(5*9)+(4*3)+(3*7)+(2*8)+(1*6)=124
124 % 10 = 4
So 4937-86-4 is a valid CAS Registry Number.

4937-86-4SDS

SAFETY DATA SHEETS

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

Version: 1.0

Creation Date: Aug 17, 2017

Revision Date: Aug 17, 2017

1.Identification

1.1 GHS Product identifier

Product name 1-Phenyl-1,2-propanedione dioxime

1.2 Other means of identification

Product number -
Other names methyl-phenylglyoxal dihydrazone

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:4937-86-4 SDS

4937-86-4Relevant articles and documents

Synthesis, characterization, and electrochemical properties of dinuclear complexes assembled from asymmetric CoIII bis(dioximates) and boronic acids

Dreos, Renata,Siega, Patrizia,Scagliola, Silvia,Randaccio, Lucio,Nardin, Giorgio,Tavagnacco, Claudio,Bevilacqua, Manuela

, p. 3936 - 3944 (2005)

Bis(methylphenylglyoximate)cobalt(III) complexes exist both as cis and trans isomers due to the asymmetry of the equatorial ligand, and, when the axial ligands are different, the trans isomer is chiral. The reaction of racemic trans-[CH3Co(mpgH)2py] (1) with either 3- or 4-pyridylboronic acid affords dimeric units arranged on a crystallographic symmetry center such that the pyridyl nitrogen of one moiety coordinates to the Co atom of the symmetry-related unit. In principle, three structurally different dimeric species (two homodimers and one heterodimer) can be obtained. Time-resolved 1H NMR spectra of a 1:1 mixture of racemic 1 and either 3- or 4-pyridylboronic acid in CDCl3/CD3OD show that the reaction does not converge toward a unique species in solution. Nevertheless, X-ray structures show that the heterochiral dimers are the only products that crystallize from the reaction mixture. The nature of the dioximate side groups does not affect the geometry of the dimeric arrangements assembled by 4-pyridylboronic acid ("molecular box"). On the contrary, the geometry of the species assembled by 3-pyridyl-boronic acid varies from the "molecular parallelogram" obtained from the bis(dimethylglyoximates) to the highly squeezed "molecular box" obtained from bis(methylphenyl-glyoximates). Cyclic voltammetry studies show that the metal centers in the dimeric species do not interact with each other and undergo a simultaneous redox process. However, depending on the geometry of the systems, the redox process involves a single four-electron reduction for 3 and 5 or two consecutive two-electron reduction steps for 4 and 6. Wiley-VCH Verlag GmbH & Co. KGaA, 2005.

1,2,5-thiadiazole-2 oxide analogue and application thereof

-

Paragraph 0052; 0053-0056; 0071; 0072; 0073; 0075; 0076, (2017/07/31)

The invention belongs to the field of pharmaceutical chemistry and discloses a 1,2,5-thiadiazole-2 oxide analogue and application thereof. The compound blocks a normal redox equilibrium process of schistosoma cells to kill schistosoma. When the drug conce

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