L-xylulose
- Product Name
- L-xylulose
- CAS No.
- 527-50-4
- Chemical Name
- L-xylulose
- Synonyms
- L-XYLULOSE;laevo-xylulose;L-Xylulose ,98%;L-THREO-PENTULOSE;threo-2-pentulose;L-Threo-2-pentulose;Xanthone Impurity 18;L-threo-2-Pentulose (9CI);L-Xylulose (1.0 M in water);L-Xylulose - Aqueous solution
- CBNumber
- CB9144310
- Molecular Formula
- C5H10O5
- Formula Weight
- 150.13
- MOL File
- 527-50-4.mol
L-xylulose Property
- Melting point:
- Not Applicable
- Boiling point:
- 469.1±45.0 °C(Predicted)
- Density
- 1.516±0.06 g/cm3(Predicted)
- Flash point:
- >230 °F
- storage temp.
- 2-8°C
- solubility
- Methanol (Slightly), Water (Soluble)
- form
- syrup
- pka
- 11.90±0.20(Predicted)
- color
- light yellow
- optical activity
- +33
- LogP
- -1.200 (est)
Safety
- WGK Germany
- 3
- HS Code
- 29400090
N-Bromosuccinimide Price
- Product number
- 295097
- Product name
- L-Xylulose
- Packaging
- 5mg
- Price
- $333
- Updated
- 2021/12/16
- Product number
- X750800
- Product name
- L-Xylulose(1.0Minwater)
- Packaging
- 25mg
- Price
- $1100
- Updated
- 2021/12/16
- Product number
- MX07932
- Product name
- L-Xylulose - 1.0 M aqueous solution
- Packaging
- 100mg
- Price
- $500
- Updated
- 2021/12/16
- Product number
- AAA0006197
- Product name
- L-THREO-PENTULOSE
- Purity
- 95.00%
- Packaging
- 250MG
- Price
- $638.62
- Updated
- 2021/12/16
- Product number
- AAA0006197
- Product name
- L-THREO-PENTULOSE
- Purity
- 95.00%
- Packaging
- 1G
- Price
- $702.66
- Updated
- 2021/12/16
L-xylulose Chemical Properties,Usage,Production
Chemical Properties
L-xylulose is a clear liquid. It is a ketopentose, meaning that it has five carbon atoms and a ketogroup at carbon C-2. It has a molecular formula of C5H10O5 and a molar mass of 150.13 g/mol. Xylulose is almost colorless and it forms syrup. The formation of crystals has not been reported (Budavari, 1996). Both D- and L - enantiomers of xylulose are found as intermediates in metabolic pathways of prokaryotes as well as eukaryotes. Both forms are rare in nature (Doten and Mortlock, 1985b).
Uses
L-Xylulose is used in studies relating to potential inhibitors of glycosidases and has been proven to inhibit oligosaccharide processing to a degree.
Definition
ChEBI: L-xylulose is a xylulose. It has a role as a human metabolite, an Escherichia coli metabolite and a mouse metabolite. It is an enantiomer of a D-xylulose.
Application
L-Xylulose has been shown to be a specific inhibitor of certain α-glucosidases,while having virtually no effect on other glycosidases such as β-glucosidase or α- and β-mannosidases. Furthermore,it is a specific inhibitor of the N-linked glycoproteinprocessing enzyme，glucosidase I, but does not inhibit glucosidase I or otherglycoprotein processing mannosidases. Thus it could prove to be a useful inhibitor forstudying glycoprotein processing, especially as it has been proven to be non-toxic andto also be effective in cell cultures (Muniruzzaman et al., 1996). L-Xylulose has been shown to have a strong inhibitory effect on the a-glucosidases，sucrase and maltase, present in the small intestine. Thus, an L-xylulose containing drug preparation for reducing blood sugar levels in humans and animals has been patented (Heinz et al.,1998).
Preparation
In 1933 a synthetic procedure for producing small amounts of D- and L -xylulose was introduced. In this method D- or L-xylose is epimerized to the corresponding diastereomer. The isomerization of xylose in pyridine leads to the production of xylulose (Touster, 1962). This enzyme catalyzes the production of L-xylulose from xylitol using either PQQ (pyrroloquinoline quinone) or FAD (flavin adenine dinucleotide) as prosthetic group, and L-xylulose is accumulated in the medium (Adachi et al., 1999; Adachi et al., 2001).
L-xylulose Preparation Products And Raw materials
Raw materials
Preparation Products
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View Lastest Price from L-xylulose manufacturers
- Product
- L-xylulose 527-50-4
- Price
- US $0.00/G
- Min. Order
- 10G
- Purity
- 98%min
- Supply Ability
- 30kg/month
- Release date
- 2023-02-14