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Cas Database

Name	L-(-)-Xylose	EINECS	210-174-1
CAS No.	609-06-3	Density	1.508 g/cm³
PSA	97.99000	LogP	-2.73970
Solubility	within almost transparency	Melting Point	150-152 °C(lit.)
Formula	C₅H₁₀O₅	Boiling Point	415.5 °C at 760 mmHg
Molecular Weight	150.131	Flash Point	219.2 °C
Transport Information	N/A	Appearance	fine crystalline powder
Safety	24/25-36-26	Risk Codes	36/37/38
Molecular Structure		Hazard Symbols	Xi
Synonyms	Xylose, L-(8CI);NSC 26213;L(+)-Xylose;	Article Data	48

L-(-)-Xylose Synthetic route

: 124244-64-0
(2S,3R,4S)-5,5-Diethoxy-pentane-1,2,3,4-tetraol

: 609-06-3
L-xylose

Conditions

Conditions	Yield
With hydrogenchloride In tetrahydrofuran	95%

: 1195193-89-5
Tetra-O-acetyl-aldehydo-L-xylose

: 609-06-3
L-xylose

Conditions

Conditions	Yield
With sodium ethanolate at 20 - 30℃;	92%

: 5328-37-0
L-arabinose

A: 609-06-3
L-xylose

B: 1949-78-6
L-lyxose

C: 24259-59-4
L-ribose

Conditions

Conditions	Yield
With molybdenum(VI) oxide In water at 90℃; for 9h; Bilik reaction;	A n/a B n/a C 19%

: 139404-79-8
(2S,3S,4R)-5-hexene-1,2,3,4-tetrol

: 609-06-3
L-xylose

Conditions

Conditions	Yield
With ozone; sodium sulfite 1.) MeOH, -78 deg C, 2. a) -78 deg C, 1 h, b) r.t., 15 h; Yield given. Multistep reaction;

: 137491-74-8
3,4,5,6-tetra-O-acetyl-1,2-dideoxy-L-xylo-hex-1-enitol

: 609-06-3
L-xylose

Conditions

Conditions	Yield
Yield given. Multistep reaction;

: 7732-18-5
water

: 50-81-7
ascorbic acid

A: 98-01-1
furfural

B: 609-06-3
L-xylose

C: 124-38-9
carbon dioxide

O1,O3;O2,O4-diethylidene-D-glucitol: O1,O3;O2,O4-diethylidene-D-glucitol

: 609-06-3
L-xylose

Conditions

Conditions	Yield
With lead(IV) acetate; acetic acid anschliessendes Erwaermen mit wss.Schwefelsaeure;
With lead(II,IV) oxide; acetic acid anschliessendes Behandeln mit wss.Schwefelsaeure,zuletz bei 100grad;
With sodium periodate anschliessendes Behandeln mit wss.Saeure;

O2,O4-benzylidene-D-glucitol: O2,O4-benzylidene-D-glucitol

: 609-06-3
L-xylose

Conditions

Conditions	Yield
With lead(IV) acetate; acetic acid Erwaermen des Reaktionsprodukts mit wss.Essigsaeure;
With water; periodic acid Erwaermen des Reaktionsprodukts mit Essigsaeure;

O2,O4-furfurylidene-D-glucitol: O2,O4-furfurylidene-D-glucitol

: 609-06-3
L-xylose

Conditions

Conditions	Yield
With lead(IV) acetate; ammonium hydroxide; acetic acid anschliessendes Erhitzen;

: 78008-36-3, 92822-62-3, 99744-77-1
(S)-cyclohexylidene glyceraldehyde

polymer bonded 2-phenyl-1,3,2-dioxaborole: polymer bonded 2-phenyl-1,3,2-dioxaborole

A: 609-06-3
L-xylose

B: 1949-78-6
L-lyxose

C: 24259-59-4
L-ribose

D: 5328-37-0
L-arabinose

Conditions

Conditions	Yield
In dichloromethane Ambient temperature; Yield given. Yields of byproduct given. Title compound not separated from byproducts;
In dichloromethane Ambient temperature; Yield given. Yields of byproduct given;

...Expand

L-(-)-Xylose Specification

The CAS registry number of L-(-)-Xylose is 609-06-3. The systematic name is L-xylose. Its EINECS registry number is 210-174-1. In addition, the molecular formula is C₅H₁₀O₅ and the molecular weight is 150.13. It is a kind of white fine crystalline powder and belongs to the classes of Carbohydrate; Basic Sugars (Mono & Oligosaccharides); Biochemistry; Sugars; Xylose; Carbohydrate Sources (Sugars/Extracts); MonosaccharidesBase Ingredients; Sugars for Media; Carbohydrate Synthesis; Specialty Synthesis; Monosaccharides.

Physical properties about this chemical are: (1)ACD/LogP: -2.39; (2)# of Rule of 5 Violations: 0; (3)ACD/LogD (pH 5.5): -2.39; (4)ACD/LogD (pH 7.4): -2.39; (5)ACD/BCF (pH 5.5): 1; (6)ACD/BCF (pH 7.4): 1; (7)ACD/KOC (pH 5.5): 1.19; (8)ACD/KOC (pH 7.4): 1.19; (9)#H bond acceptors: 5; (10)#H bond donors: 4; (11)#Freely Rotating Bonds: 8; (12)Polar Surface Area: 53.99 Å²; (13)Index of Refraction: 1.543; (14)Molar Refractivity: 31.41 cm³; (15)Molar Volume: 99.5 cm3; (16)Polarizability: 12.45 ×10^-24cm³; (17)Surface Tension: 81.4 dyne/cm; (18)Density: 1.508 g/cm³; (19)Flash Point: 219.2 °C; (20)Enthalpy of Vaporization: 77.23 kJ/mol; (21)Boiling Point: 415.5 °C at 760 mmHg; (22)Vapour Pressure: 1.22E-08 mmHg at 25°C.

Preparation of L-(-)-Xylose: it can be prepared by 5,5-diethoxy-pentane-1,2,3,4-tetraol. This reaction will need reagent 0.5 M aq. HCl and solvent tetrahydrofuran. The yield is about 95%.

L-(-)-Xylose can be prepared by 5,5-diethoxy-pentane-1,2,3,4-tetraol

Uses of L-(-)-Xylose: it can react with propylamine to get N-propyl-b-L-arabinopyranosylamine. This reaction will need solvent methanol. The yield is about 88%.

L-(-)-Xylose can react with propylamine to get N-propyl-b-L-arabinopyranosylamine

When you are using this chemical, please be cautious about it as the following:
This chemical is irritating to eyes, respiratory system and skin. During using it, wear suitable protective clothing and avoid contact with skin and eyes. In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.

You can still convert the following datas into molecular structure:
(1)SMILES: O=C[C@H](O)[C@@H](O)[C@H](O)CO
(2)InChI: InChI=1/C5H10O5/c6-1-3(8)5(10)4(9)2-7/h1,3-5,7-10H,2H2/t3-,4+,5+/m0/s1
(3)InChIKey: PYMYPHUHKUWMLA-VPENINKCBR

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