CAS 25253-46-7

a-D-Galactopyranuronic acid,1,2:3,4-bis-O-(1-methylethylidene)-

Description:

α-D-Galactopyranuronic acid, 1,2:3,4-bis-O-(1-methylethylidene)-, is a derivative of galacturonic acid, which is a uronic acid commonly found in pectin. This compound features a pyranose ring structure, indicating that it exists predominantly in a six-membered cyclic form. The presence of methylethylidene groups suggests that it has protective groups that can influence its reactivity and solubility. Typically, such modifications can enhance stability and alter the compound's interaction with other molecules. The CAS number 25253-46-7 identifies this specific chemical, which is used in various biochemical applications, including studies related to polysaccharides and their derivatives. The compound's characteristics, such as its molecular weight, solubility, and reactivity, are influenced by its functional groups and stereochemistry. Overall, α-D-Galactopyranuronic acid derivatives play a significant role in the structure and function of plant cell walls and have potential applications in food science and biochemistry.

Formula: C₁₂H₁₈O₇

Synonyms:

• Galactopyranuronicacid, 1,2:3,4-di-O-isopropylidene-, a-D- (6CI,8CI)
• 5H-Bis[1,3]dioxolo[4,5-b:4',5'-d]pyran,a-D-galactopyranuronic acid deriv.(9CI)

1,2:3,4-Di-O-isopropylidene-a-D-galacturonide

CAS: 25253-46-7

Formula: C₁₂H₁₈O₇

Purity: 95%

Color and Shape: Solid

Molecular weight: 274.2671

Ref: IN-DA007NVB

(3aR,5S,5aR,8aS,8bR)-2,2,7,7-Tetramethyltetrahydro-5H-bis([1,3]dioxolo)[4,5-b:4',5'-d]pyran-5-carboxylic acid

CAS: 25253-46-7

(3aR,5S,5aR,8aS,8bR)-2,2,7,7-Tetramethyltetrahydro-5H-bis([1,3]dioxolo)[4,5-b:4',5'-d]pyran-5-carboxylic acid

Purity: 95%

Molecular weight: 274.27g/mol

Ref: 54-OR1046096

1,2:3,4-Di-O-isopropylidene-a-D-galacturonide

CAS: 25253-46-7

Ref: 7W-GC7303

1,2:3,4-Di-O-isopropylidene-a-D-galacturonide

CAS: 25253-46-7

1,2:3,4-Di-O-isopropylidene-a-D-galacturonide is an intermediate in the synthesis of D-galactosamine. It is a white crystalline solid with a melting point of 217°C. The compound has been shown to have biological properties including antiviral and immuno-stimulatory activities. This chemical is synthesized by the stepwise addition of chlorides to the hydroxyls of 1,2:3,4-di-O-isopropylideneacetone.

Formula: C₁₂H₁₈O₇

Purity: Min. 95%

Color and Shape: Powder

Molecular weight: 274.27 g/mol

Ref: 3D-MD04990