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441-38-3 Usage

Chemical Properties

white crystalline powder

Safety Profile

Poison by intraperitoneal route.Mildly toxic by ingestion. An eye irritant. When heated todecomposition it emits toxic fumes of NOx.

Purification Methods

Crystallise the oxime from diethyl ether. It is used for the spectroscopic determination of Cu2+, Pd2+, Pt4+, Rh3+ and V5+ [Singh et al. Talanta 26 425 1979, Beilstein 8 IV 1282.]

Check Digit Verification of cas no

The CAS Registry Mumber 441-38-3 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 4,4 and 1 respectively; the second part has 2 digits, 3 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 441-38:
53 % 10 = 3
So 441-38-3 is a valid CAS Registry Number.

441-38-3 Well-known Company Product Price

  • Brand
  • (Code)Product description
  • CAS number
  • Packaging
  • Price
  • Detail
  • Alfa Aesar

  • (A10630)  alpha-Benzoin oxime, 98+%   

  • 441-38-3

  • 25g

  • 293.0CNY

  • Detail
  • Alfa Aesar

  • (A10630)  alpha-Benzoin oxime, 98+%   

  • 441-38-3

  • 100g

  • 923.0CNY

  • Detail
  • Alfa Aesar

  • (A10630)  alpha-Benzoin oxime, 98+%   

  • 441-38-3

  • 500g

  • 3686.0CNY

  • Detail
  • Aldrich

  • (B8908)  α-Benzoinoxime  98%

  • 441-38-3

  • B8908-25G

  • 428.22CNY

  • Detail



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


1.1 GHS Product identifier


1.2 Other means of identification

Product number -
Other names α-Benzoin Oxime

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:441-38-3 SDS

441-38-3Relevant articles and documents

Co (II) and Zn (II) metal complexes of heterocyclic Schiff bases: A synthesis, spectral and antimicrobial study

Joshi, Sachin R.,Habib, Seema I.

, p. 1343 - 1348 (2014)

The Schiff bases have been synthesised by the reaction of Benzoinoxime primary ligand with heterocyclic compounds such as 2-aminothiazole (SL1) and 8-hydroxyquinoline (SL2) to form the secondary ligand, which than react with the metal halides to form complexes of Co (II) and Zn (II). The elemental analysis data shows that the metal to ligand ratio in all Co (II) simple is 1:2 for simple complexes and 1:2:2 for metal complex with oxime as a primary ligand and SL1as a secondary ligand while it is 1:2:1 for metal complex with oxime as a primary ligand and SL3 as a secondary ligand whereas Zn (II) complexes of mixed ligand exhibit the stoichiometry 1:2:2. The structural features have been determined from IR, UV-Vis, and XRD data. All the complex shows a distorted octahedral geometry to mononuclear Co (II) complexes of mixed ligands, while square planner geometry to mononuclear Co (II) complexes of oximes. Zn (II) complexes of mixed ligands shows a distorted octahedral geometry, while square planner geometry to mononuclear Zn (II) complexes of oximes. All the synthesised compounds were screened for antimicrobial activity.

Readily available ruthenium complex for efficient dynamic kinetic resolution of aromatic α-hydroxy ketones

Agrawal, Santosh,Martinez-Castro, Elisa,Marcos, Rocio,Martin-Matute, Belen

, p. 2256 - 2259 (2014/05/06)

A ruthenium complex formed from commercially available [Ru(p-cymene)Cl 2]2 and 1,4-bis(diphenylphosphino)butane catalyzes the racemization of aromatic α-hydroxy ketones very efficiently at room temperature. The racemization is fully compatible with a kinetic resolution catalyzed by a lipase from Pseudomonas stutzeri. This is the first example of dynamic kinetic resolution of α-hydroxy ketones at ambient temperature in which the metal and enzyme catalysts work in concert in one pot at room temperature to give quantitative yields of esters of α-hydroxy ketones with very high enantioselectivity.

Lipase TL-mediated kinetic resolution of benzoin: Facile synthesis of (1R,2S)-erythro-2-amino-1,2-diphenylethanol

Aoyagi, Yutaka,Agata, Naoki,Shibata, Noriko,Horiguchi, Mai,Williams, Robert M.

, p. 10159 - 10162 (2007/10/03)

The lipase TL-mediated kinetic resolution of (±)-benzoin (1) proceeded to give the corresponding optically pure benzoin (R)-1. On the other hand, (S)-benzoin-O-acetate (5) could be hydrolyzed without epimerization to give (S)-benzoin (S)-1, under alkaline conditions. Further, (R)-1 was converted to (1R,2S)-2-amino-1,2-diphenylethanol (99:1 er) according to the procedure reported previously. (C) 2000 Elsevier Science Ltd.

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