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N-Methoxysuccinimide (NMOS) is an organic compound with the chemical formula C4H5NO3. It is a colorless, crystalline solid that is widely used as a reagent in organic synthesis, particularly in the activation of carboxylic acids for coupling reactions. NMOS is a derivative of N-hydroxysuccinimide (NHS), with a methoxy group replacing the hydrogen atom on the nitrogen. This modification enhances the reactivity and solubility of the compound in organic solvents. In chemical reactions, NMOS acts as a coupling agent, facilitating the formation of amide and ester bonds by converting carboxylic acids into more reactive intermediates. It is commonly used in peptide synthesis, pharmaceuticals, and the preparation of various bioconjugates. Due to its reactivity, NMOS should be handled with care, as it can cause irritation to the skin, eyes, and respiratory system.

5904-50-7

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5904-50-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 5904-50-7 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 5,9,0 and 4 respectively; the second part has 2 digits, 5 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 5904-50:
(6*5)+(5*9)+(4*0)+(3*4)+(2*5)+(1*0)=97
97 % 10 = 7
So 5904-50-7 is a valid CAS Registry Number.

5904-50-7SDS

SAFETY DATA SHEETS

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

Version: 1.0

Creation Date: Aug 13, 2017

Revision Date: Aug 13, 2017

1.Identification

1.1 GHS Product identifier

Product name N-methoxysuccinimide

1.2 Other means of identification

Product number -
Other names N-Methoxy-succinimid

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:5904-50-7 SDS

5904-50-7Downstream Products

5904-50-7Relevant academic research and scientific papers

Synthesis and stereoisomerization of 2-(1-alkoxyimino-2,2,2-trifluoroethyl) -5-trimethylsilylfurans

Melnik,Vorona,Veinberg,Popelis,Ignatovich,Lukevics

, p. 718 - 721 (2007/10/03)

2-(1-Alkoxyimino-2,2,2-trifluoroethyl)-5-trimethylsilylfurans were synthesized by the condensation of 2-(trifluoroacetyl)-5-trimethylsilylfuran with alkoxyamines. According to 1H and 19F NMR spectroscopic data, the alkoxyimino group in the E-isomers descreens the H-3 and H-4 protons of the furan ring more strongly than in the Z-isomers, shifting their signals downfield. The fluorine atoms of the α-trifluoromethyl group in the Z-isomer are characterized by a downfield shift in relation to the E-isomer. 2005 Springer Science+Business Media, Inc.

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