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95729

Sigma-Aldrich

D-(+)-Xylose

BioUltra, ≥99.0% (sum of enantiomers, HPLC)

Empirical Formula (Hill Notation):
C5H10O5
CAS Number:
Molecular Weight:
150.13
Beilstein:
1562108
EC Number:
MDL number:
PubChem Substance ID:
NACRES:
NA.25

product line

BioUltra

Quality Level

assay

≥99.0% (sum of enantiomers, HPLC)

optical activity

[α]20/D +20.0±1°, 10 hr, c = 10% in H2O

impurities

insoluble matter, passes filter test

ign. residue

≤0.2% (as SO4)

loss

≤0.2% loss on drying, 110 °C

pH

4.0-6.0 (25 °C, 1 M in H2O)

mp

154-158 °C (lit.)

solubility

H2O: 1 M at 20 °C, clear, colorless

anion traces

chloride (Cl-): ≤50 mg/kg
sulfate (SO42-): ≤50 mg/kg

cation traces

Al: ≤5 mg/kg
As: ≤0.1 mg/kg
Ba: ≤5 mg/kg
Bi: ≤5 mg/kg
Ca: ≤10 mg/kg
Cd: ≤5 mg/kg
Co: ≤5 mg/kg
Cr: ≤5 mg/kg
Cu: ≤5 mg/kg
Fe: ≤5 mg/kg
K: ≤50 mg/kg
Li: ≤5 mg/kg
Mg: ≤5 mg/kg
Mn: ≤5 mg/kg
Mo: ≤5 mg/kg
Na: ≤50 mg/kg
Ni: ≤5 mg/kg
Pb: ≤5 mg/kg
Sr: ≤5 mg/kg
Zn: ≤5 mg/kg

λ

1 M in H2O

UV absorption

λ: 260 nm Amax: 0.05
λ: 280 nm Amax: 0.05

SMILES string

O[C@@H]1COC(O)[C@H](O)[C@H]1O

InChI

1S/C5H10O5/c6-2-1-10-5(9)4(8)3(2)7/h2-9H,1H2/t2-,3+,4-,5?/m1/s1

InChI key

SRBFZHDQGSBBOR-IOVATXLUSA-N

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Application

D-Xylose, an aldopentose, is used as a feed stock to produce the non-caloric sweetener, xylitol and commercially valuable ethanol. D-Xylose may be used in intestinal function research to test for small intestinal malabsorption.

Biochem/physiol Actions

D-Xylose, a principle hemicellulosic sugar in plants and hardwoods, is a main building block for xylan.

Storage Class Code

13 - Non Combustible Solids

WGK Germany

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US),Eyeshields,Gloves

Certificate of Analysis

Certificate of Origin

Tania Chroumpi et al.
Frontiers in bioengineering and biotechnology, 9, 644216-644216 (2021-03-26)
The filamentous ascomycete Aspergillus niger has received increasing interest as a cell factory, being able to efficiently degrade plant cell wall polysaccharides as well as having an extensive metabolism to convert the released monosaccharides into value added compounds. The pentoses...
Agustina Llanos et al.
Microbial cell factories, 18(1), 14-14 (2019-01-30)
Research on filamentous fungi emphasized the remarkable redundancy in genes encoding hydrolytic enzymes, the similarities but also the large differences in their expression, especially through the role of the XlnR/XYR1 transcriptional activator. The purpose of this study was to evaluate...
Thu V Vuong et al.
PloS one, 9(4), e95170-e95170 (2014-04-17)
The xylan-binding module Clostridium thermocellum CBM22A was successfully fused to a gluco-oligosaccharide oxidase, GOOX-VN, from Sarocladium strictum via a short TP linker, allowing the fused protein to effectively bind different xylans. The presence of the CtCBM22A at the N-terminal of...
Heather A Feaga et al.
mBio, 5(6), e01916-e01916 (2014-11-13)
Bacterial ribosomes frequently translate to the 3' end of an mRNA without terminating at a stop codon. Almost all bacteria use the transfer-messenger RNA (tmRNA)-based trans-translation pathway to release these "nonstop" ribosomes and maintain protein synthesis capacity. trans-translation is essential...
Jose Serate et al.
Biotechnology for biofuels, 8, 180-180 (2015-11-20)
Microbial conversion of lignocellulosic feedstocks into biofuels remains an attractive means to produce sustainable energy. It is essential to produce lignocellulosic hydrolysates in a consistent manner in order to study microbial performance in different feedstock hydrolysates. Because of the potential...

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