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aldehydo-D-galacturonic acid

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Origin: China

Cas No: 685-73-4

Specification: 99%min

Min order Quantity: 1 /kg

Supply Ability: 100 mt/month

Lead time: 7 days for OEM, 3 days for ready goods

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Product Description

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CAS No.: 685-73-4 Formula: C6H10O7 Molecular Weight: 194.13900

Description

D-Galacturonic acid is a sugar acid, an oxidized form of D-galactose. It is the main component of pectin, in which it exists as the polymer polygalacturonic acid. In its open form, it has an aldehyde group at C1 and a carboxylic acid group at C6. Other oxidized forms of D-galactose are D-galactonic acid (carboxylic group at C1) and meso-galactaric acid (mucic acid) (carboxylic groups at C1 and C6). It is also a uronic acid or hexuronic acid. Naturally occurring uronic acids are D-glucuronic acid, D-galacturonic acid, L-iduronic acid and D-mannuronic acid.

Basic Info

Chemical Name	aldehydo-D-galacturonic acid
Synonyms	galactouronic acid; A-D-GALACTURONIC ACID; GALACTURONATE; D-Galacturonic acid; galaturonate; D-GALACTURONATE; D-galaturonate; D-Galactopyranuronic acid; GALACTURONIC ACID,D;
CAS No.	685-73-4
Molecular Formula	C6H10O7
Molecular Weight	194.13900
PSA	135.29000
LogP	-3.28650

Properties

Density	1.748g/cm3
Boiling Point	553.4ºC at 760 mmHg
Flash Point	302.6ºC
Refractive Index	1.591

Safety Info

HS Code	2918990090

Synthesis Route

α-D-GalpA-(1->2)-Glycerol→aldehydo-D-galacturonic acid+glycerol
(2S,3R,4S,5R,6S)-5-acetoxy-3-(formyloxy)-4-(((2R,3R,4S,5R,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)tetrahydro-2H-pyran-2-yl)oxy)-6-(((3S,4R,5R,6S)-2,3,5-trihydroxy-6-methyltetrahydro-2H-pyran-4-yl)oxy)tetrahydro-2H-pyran-2-carboxylic acid→aldehydo-D-galacturonic acid
(2S,3R,4S)-2,3,4,6-tetrahydroxy-5-oxohexanoic acid+Water→aldehydo-D-galacturonic acid

Precursor

(2S,3R,4S)-2,3,4,6-tetrahydroxy-5-oxohexanoic acid
Water
α-D-GalpA-(1->2)-Glycerol
(2S,3R,4S,5R,6S)-5-acetoxy-3-(formyloxy)-4-(((2R,3R,4S,5R,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)tetrahydro-2H-pyran-2-yl)oxy)-6-(((3S,4R,5R,6S)-2,3,5-trihydroxy-6-methyltetrahydro-2H-pyran-4-yl)oxy)tetrahydro-2H-pyran-2-carboxylic acid

Downstream Product

aldehydo-L-arabinose
furfural
4-oxopyran-2-carboxylic acid
(3aR,5S,5aR,8aS,8bR)-2,2,7,7-tetramethyl-5,5a,8a,8b-tetrahydro-3aH-di[1,3]dioxolo[5,4-a:5',4'-d]pyran-5-carboxylic acid

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