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2-O-Methyl-6-deoxy-D-allose is a monosaccharide, a type of sugar molecule, with the chemical formula C7H14O5. It is a derivative of D-allose, a rare sugar found in nature, where the 6th carbon atom lacks an oxygen atom (deoxy) and the 2nd carbon atom has a methyl group (-CH3) attached to the oxygen (O-methyl). This modification alters the molecule's properties, potentially affecting its reactivity and interactions with other compounds. It is used in organic synthesis and as a building block in the creation of complex carbohydrates and related compounds, playing a role in research and development in the fields of chemistry and biochemistry.

921-90-4

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921-90-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 921-90-4 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 9,2 and 1 respectively; the second part has 2 digits, 9 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 921-90:
(5*9)+(4*2)+(3*1)+(2*9)+(1*0)=74
74 % 10 = 4
So 921-90-4 is a valid CAS Registry Number.

921-90-4SDS

SAFETY DATA SHEETS

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

Version: 1.0

Creation Date: Aug 18, 2017

Revision Date: Aug 18, 2017

1.Identification

1.1 GHS Product identifier

Product name O2-methyl-D-6-deoxy-allose

1.2 Other means of identification

Product number -
Other names (2R,3R,4R,5R)-3,4,5-Trihydroxy-2-methoxy-hexanal

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:921-90-4 SDS

921-90-4Downstream Products

921-90-4Relevant academic research and scientific papers

O-Alkylated heavy atom carbohydrate probes for protein X-ray crystallography: Studies towards the synthesis of methyl 2-O-methyl-L-selenofucopyranoside

Sommer, Roman,Hauck, Dirk,Varrot, Annabelle,Imberty, Anne,Künzler, Markus,Titz, Alexander

, p. 2828 - 2833 (2017/01/09)

Selenoglycosides are used as reactive glycosyl donors in the syntheses of oligosaccharides. In addition, such heavy atom analogs of natural glycosides are useful tools for structure determination of their lectin receptors using X-ray crystallography. Some

Structural analysis of the O-polysaccharide of the lipopolysaccharide from Azospirillum brasilense Jm6B2 containing 3-O-methyl-D-rhamnose (D-acofriose)

Boyko, Alevtina S.,Dmitrenok, Andrey S.,Fedonenko, Yuliya P.,Zdorovenko, Evelina L.,Konnova, Svetlana A.,Knirel, Yuriy A.,Ignatov, Vladimir V.

experimental part, p. 92 - 95 (2012/09/07)

Two types of neutral O-polysaccharides were obtained by mild acid degradation of the lipopolysaccharide isolated by phenol-water extraction from the asymbiotic diazotrophic rhizobacterium Azospirillum brasilense Jm6B2. The following structure of the major O-polysaccharide was established by composition and methylation (ethylation) analyses, Smith degradation, and 1D and 2D 1H and 13C NMR spectroscopy: α-D-Rhap3OMe 1↓3→4)-α-L-Fucp-(1→4)-β-D-Xylp-(1→ where a non-stoichiometric (~60%) 3-O-methylation of D-rhamnose is indicated by italics.

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