D-(−)-Arabinose

SIAL/10850 - suitable for microbiology, ≥99.0%

CAS Number: 10323-20-3
Empirical Formula (Hill Notation): C₅H₁₀O₅
Molecular Weight: 150.13
EC Number: 233-708-5
MDL Number: MFCD00064361
Linear Formula: C₅H₁₀O₅
Product Type: Chemical

Catalog Number	PKG Qty.	Price


45-10850-25G	25 g	$66.80 1/EA	Add To Favorites
45-10850-100G	100 g	$217.00 1/EA	Add To Favorites

This picture is provided solely for illustration purposes. Optical properties of the actual product may deviate. Relevant product information is printed on labeled products and other accompanying or available information material. This image depicts SKU: 10850-100G

Properties
Descriptions
Safety Info.
Basic Data

anion traces	chloride (Cl^-): ≤50 mg/kg
	sulfate (SO₄^2-): ≤50 mg/kg
application(s)	microbiology
assay	≥99.0%
	≥99.0% (sum of enantiomers, HPLC)
cation traces	As: ≤0.1 mg/kg
	Ca: ≤500 mg/kg
	Cd: ≤5 mg/kg
	Co: ≤5 mg/kg
	Cr: ≤5 mg/kg
	Cu: ≤25 mg/kg
	Fe: ≤17 mg/kg
	K: ≤50 mg/kg
	Mg: ≤10 mg/kg
	Mn: ≤5 mg/kg
	Na: ≤50 mg/kg
	Ni: ≤5 mg/kg
	Pb: ≤5 mg/kg
	Zn: ≤15 mg/kg
form	powder
ign. residue	≤0.1% (as SO₄)
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-ZRMNMSDTSA-N
loss	≤0.1% loss on drying, 20 °C (HV)
mp	162-164 °C (lit.)
optical activity	[α]20/D −104±2.0°, 24 hr, c = 10% in H₂O
Quality Level	200
SMILES string	O[C@@H]1COC(O)[C@@H](O)[C@@H]1O

Application:	D-(-)-Arabinose has been used as an inducer of λ-RED recombinant gene expression.
Biochem/physiol Actions:	D-Arabinose is a reducing sugar. It is a pentose analog of D-ribose that is a constituent of mycobacterial cell wall arabinogalactans. It is also a substrate for D-erythroascorbic acid synthesis in yeast.
General description:	D-Arabinose is a rare aldopentose, and is rarely utilized by enteric bacteria as a source of carbon and energy. It is also found in the aloins of the plant genus Aloe and as a constituent of the polysaccharide of the bacterial genus Mycobacterium. Some of the enteric bacteria like Escherichia coli K-12 can mutate to utilize D-arabinose.

RIDADR	NONH for all modes of transport
WGK Germany	WGK 3
Flash Point(F)	Not applicable
Flash Point(C)	Not applicable

Purity	≥99.0% (sum of enantiomers, HPLC); ≥99.0%
mp	162-164 °C (lit.)
UNSPSC	41106212

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