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| CAS No.: | 609-06-3 |
|---|---|
| Name: | L-Xylose |
| Molecular Structure: | |
|
|
|
| Formula: | C5H10O5 |
| Molecular Weight: | 150.131 |
| Synonyms: | Xylose, L-(8CI);NSC 26213;L(+)-Xylose; |
| EINECS: | 210-174-1 |
| Density: | 1.508 g/cm3 |
| Melting Point: | 150-152 °C(lit.) |
| Boiling Point: | 415.5 °C at 760 mmHg |
| Flash Point: | 219.2 °C |
| Solubility: | within almost transparency |
| Appearance: | fine crystalline powder |
| Hazard Symbols: |
 Xi
|
| Risk Codes: | 36/37/38 |
| Safety: | 24/25-36-26 |
| PSA: | 97.99000 |
| LogP: | -2.73970 |
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(2S,3R,4S)-5,5-Diethoxy-pentane-1,2,3,4-tetraol
- 609-06-3
L-xylose
| Conditions | Yield |
|---|---|
| With hydrogenchloride In tetrahydrofuran | 95% |
- 1195193-89-5
Tetra-O-acetyl-aldehydo-L-xylose
- 609-06-3
L-xylose
| Conditions | Yield |
|---|---|
| With sodium ethanolate at 20 - 30℃; | 92% |
| 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 | 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; |
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3,4,5,6-tetra-O-acetyl-1,2-dideoxy-L-xylo-hex-1-enitol
- 609-06-3
L-xylose
| Conditions | Yield |
|---|---|
| Yield given. Multistep reaction; |
- 609-06-3
L-xylose
| 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; |
- 609-06-3
L-xylose
| Conditions | Yield |
|---|---|
| With lead(IV) acetate; acetic acid Erwaermen des Reaktionsprodukts mit wss.Essigsaeure; | |
| With water; periodic acid Erwaermen des Reaktionsprodukts mit Essigsaeure; |
- 609-06-3
L-xylose
| Conditions | Yield |
|---|---|
| With lead(IV) acetate; ammonium hydroxide; acetic acid anschliessendes Erhitzen; |
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(S)-cyclohexylidene glyceraldehyde
A
- 609-06-3
L-xylose
B
- 1949-78-6
L-lyxose
C
- 24259-59-4
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D
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L-arabinose
| 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; |
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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%.
-Xylose.png)
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%.
-Xylose.jpg)
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