Ribitol structure
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Common Name | Ribitol | ||
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CAS Number | 488-81-3 | Molecular Weight | 152.146 | |
Density | 1.5±0.1 g/cm3 | Boiling Point | 494.5±40.0 °C at 760 mmHg | |
Molecular Formula | C5H12O5 | Melting Point | 101-104ºC | |
MSDS | Chinese USA | Flash Point | 261.9±21.9 °C |
Use of RibitolRibitol is a crystalline pentose alcohol formed by the reduction of ribose. Enhancing the flux of D-glucose to the pentose phosphate pathway in Saccharomyces cerevisiae for the production of D-ribose and ribitol. |
Name | D-ribitol |
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Synonym | More Synonyms |
Description | Ribitol is a crystalline pentose alcohol formed by the reduction of ribose. Enhancing the flux of D-glucose to the pentose phosphate pathway in Saccharomyces cerevisiae for the production of D-ribose and ribitol. |
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Related Catalog | |
Target |
Human Endogenous Metabolite |
In Vitro | Ribitol is a reduced sugar[1]. Phosphoglucose isomerase-deficient (pgi1) strains of Saccharomyces cerevisiae are studied for the production of D-ribose and Ribitol from D-glucose via the intermediates of the pentose phosphate pathway. Overexpression of the gene encoding sugar phosphate phosphatase (DOG1) of S. cerevisiae is needed for the production of D-ribose and Ribitol. The engineered strains are compared for their ability to produce the PPP-derived 5-carbon compounds Ribitol and D-ribose from D-glucose[2]. |
Kinase Assay | The high-performance liquid chromatography (HPLC) analyses are carried out using a Fast Acid Column (100×7.8 mm) and a HPX-87H Ion Exclusion Column (300 mm×7.8 mm) in series with 2.5 mM H2SO4 in water as the mobile phase at a flow rate of 0.3 mL/min, at 55°C. This method enabled quantification of D-glucose, ethanol, glycerol, D-xylulose, Ribitol, and xylitol. D-ribose, D-ribulose, and D-arabitol coeluted on the Aminex HPX-87H column. The CarboPac MA-1 column of Dionex ICS-3000 is used to analyze representative culture supernatant samples for the presence of arabitol and xylitol. Samples are run at column temperature of 30°C with 480 mM NaOH at flow rate 0.4 mL/min. The CarboPac MA-1 column separated D-arabitol from D-ribose and D-ribulose, but the alkaline conditions degraded D-ribulose interfering with the quantification of D-ribose.Yeast cells are disrupted with glass beads in 100 mM sodium phosphate buffer pH 7.0 containing phenylmethylsulfonyl fluoride and pepstatin A in final concentrations of 0.17 mg/mL and 0.01 mg/mL, respectively.The activity of NAD+-dependent Gdh2p is measured in a reaction buffer of 0.5 M triethanol amine pH 7.7 and 2 mM NADH. After addition of the cell lysate, the reaction is started by adding a mixture of α-ketoglutarate (100 mM) and NH4Cl (200 mM) to a final concentration of 2.4 mM and 4.9 mM, respectively. The GapB activity is measured. Shortly, the reaction mixture is 500 mM triethanol amine pH 7.8, 1 mM ATP, 2 mM MgCl2, 200 μM NADPH, and 10 μg/mL of phosphoglycerate kinase. 3-phosphoglycerate is added to a final concentration of 5 mM to start the reaction. Activity measurements are performed with a Cobas Mira Plus automated analyzer[2]. |
References |
Density | 1.5±0.1 g/cm3 |
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Boiling Point | 494.5±40.0 °C at 760 mmHg |
Melting Point | 101-104ºC |
Molecular Formula | C5H12O5 |
Molecular Weight | 152.146 |
Flash Point | 261.9±21.9 °C |
Exact Mass | 152.068466 |
PSA | 101.15000 |
LogP | -3.77 |
Vapour Pressure | 0.0±2.9 mmHg at 25°C |
Index of Refraction | 1.571 |
Storage condition | Store at RT. |
Stability | Stable. Combustible. Incompatible with strong oxidizing agents. |
CHEMICAL IDENTIFICATION
HEALTH HAZARD DATAACUTE TOXICITY DATA
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Precursor 5 | |
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DownStream 10 | |
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(2R,3s,4S)-1,2,3,4,5-Pentanpentol |
adonitol |
ADONIT |
ADONITE |
ADONITOL(RG) |
(2R,3s,4S)-pentane-1,2,3,4,5-pentol |
RIBITO |
Adonito |
D-erythro-Pentitol |
MFCD00064291 |
D-Ribitol |
meso ribitol |
Ribitol |
(2R,3s,4S)-1,2,3,4,5-Pentanepentol |
Adonite Ribitol |
EINECS 207-685-7 |
Adonite,Ribitol |
meso-ribitol |
D-(+)-Arabitol |
Adonitrol |