7-(ALPHA-D-吡喃半乳糖基氧基)-4-甲基-2H-1-苯并吡喃-2-酮
7-(α-D-galactopyranosyloxy)-4-methyl-2H-1-benzopyran-2-one
CAS: 38597-12-5
Molecular Formula: C16H18O8
7-(ALPHA-D-吡喃半乳糖基氧基)-4-甲基-2H-1-苯并吡喃-2-酮 - Names and Identifiers
| Name | 7-(α -D-galactopyranosyloxy)-4-methyl-2H-1-benzopyran-2-one |
| Synonyms | 4-MU-ALPHA-D-GAL 4-METHYLUMBELLIFERYL-A-D-GALACTOSIDE 4-METHYLUMBELLIFERYL ALPHA-D-GALACTOSIDE 4-METHYLUMBELLIFERYL A-D-GALACTOPYRANOSIDE 4-METHYLUMBELLIFERYL-ALPHA-D-GALACTOPYRANOSIDE 4'-METHYLUMBELLIFERYL-ALPHA-D-GALACTOPYRANOSIDE 4-METHYLUMBELLIFERYL-ALPHA-D-GALACTOPYRANOSIDE HYDRATE 4-METHYL-2-OXO-2H-CHROMEN-7-YL ALPHA-D-GALACTOPYRANOSIDE |
| CAS | 38597-12-5 |
| EINECS | 254-031-1 |
| InChI | InChI=1/C16H18O8/c1-7-4-12(18)23-10-5-8(2-3-9(7)10)22-16-15(21)14(20)13(19)11(6-17)24-16/h2-5,11,13-17,19-21H,6H2,1H3/t11-,13+,14+,15-,16+/m1/s1 |
7-(ALPHA-D-吡喃半乳糖基氧基)-4-甲基-2H-1-苯并吡喃-2-酮 - Physico-chemical Properties
| Molecular Formula | C16H18O8 |
| Molar Mass | 338.31 |
| Density | 1.522g/cm3 |
| Melting Point | 171-173 °C |
| Boling Point | 626.9°C at 760 mmHg |
| Flash Point | 233.9°C |
| Solubility | H2O: 10mg/mL hot, clear, colorless |
| Vapor Presure | 1.39E-16mmHg at 25°C |
| Appearance | Crystalline Powder |
| Color | White to almost white |
| BRN | 94674 |
| Storage Condition | Inert atmosphere,2-8°C |
| Stability | Hygroscopic |
| Sensitive | Easily absorbing moisture |
| Refractive Index | 1.641 |
7-(ALPHA-D-吡喃半乳糖基氧基)-4-甲基-2H-1-苯并吡喃-2-酮 - Risk and Safety
| Hazard Symbols | T+ - Very toxic |
| Risk Codes | 26/27/28 - Very toxic by inhalation, in contact with skin and if swallowed. |
| Safety Description | 24/25 - Avoid contact with skin and eyes. |
| WGK Germany | 3 |
| FLUKA BRAND F CODES | 3-10-21 |
| HS Code | 29400090 |
7-(ALPHA-D-吡喃半乳糖基氧基)-4-甲基-2H-1-苯并吡喃-2-酮 - Introduction
7-(α-D-galactopyranosyloxy)-is a chemical compound whose chemical formula is C17H18O9.
Nature:
-Appearance: White or off-white solid
-Solubility: Soluble in water and organic solvents (such as methanol, ethanol, etc.)
-melting point: about 128-131 ℃
-Stability: It is relatively stable at room temperature
Use:
7-(α-D-galactopyranosyloxy)-is mainly used in the field of biochemical research, as a substrate and enzyme inhibitor for enzymatic research.
Preparation Method:
The method of preparing 7-(α-D-galactopyranosyloxy)-is generally composed of the following steps:
1. protection of pyranoside: α-D-pyranoside is reacted with an appropriate amount of protecting agent to protect the pyranoside moiety.
2. ketoacylation reaction: 4-methyl umbelliferyl is reacted with protected pyranoside under appropriate reaction conditions.
3. Deprotection: The protecting group is removed by an appropriate method to give the target compound.
Safety Information:
7-(α-D-galactopyranosyloxy)-is highly safe, but it still needs to comply with basic laboratory safety procedures. Avoid contact with skin and eyes, use should wear protective glasses, gloves and laboratory coat. If you eat or breathe by mistake, you should seek medical treatment immediately. When stored, it should be placed in a dry, cool place, and away from combustibles and oxidants.
Nature:
-Appearance: White or off-white solid
-Solubility: Soluble in water and organic solvents (such as methanol, ethanol, etc.)
-melting point: about 128-131 ℃
-Stability: It is relatively stable at room temperature
Use:
7-(α-D-galactopyranosyloxy)-is mainly used in the field of biochemical research, as a substrate and enzyme inhibitor for enzymatic research.
Preparation Method:
The method of preparing 7-(α-D-galactopyranosyloxy)-is generally composed of the following steps:
1. protection of pyranoside: α-D-pyranoside is reacted with an appropriate amount of protecting agent to protect the pyranoside moiety.
2. ketoacylation reaction: 4-methyl umbelliferyl is reacted with protected pyranoside under appropriate reaction conditions.
3. Deprotection: The protecting group is removed by an appropriate method to give the target compound.
Safety Information:
7-(α-D-galactopyranosyloxy)-is highly safe, but it still needs to comply with basic laboratory safety procedures. Avoid contact with skin and eyes, use should wear protective glasses, gloves and laboratory coat. If you eat or breathe by mistake, you should seek medical treatment immediately. When stored, it should be placed in a dry, cool place, and away from combustibles and oxidants.
Last Update：2024-04-10 22:29:15
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View History
7-(ALPHA-D-吡喃半乳糖基氧基)-4-甲基-2H-1-苯并吡喃-2-酮
(3-氨基-5-氟-2-硝基苯基)甲醇
胞苷 2':3'-环一磷酸 单钠盐
Nazartinib (EGF816)
Valproate Sodium Impurity 19
2-乙炔基-4-(三氟甲基)苯胺
2-(3-(TERT-BUTOXYCARBONYL)-3-AZASPIRO[5.5]UNDECAN-9-YL)ACETIC ACID
(2-氧杂氮杂-3-基)氨基甲酸叔丁酯
DMT-dA(bz) Phosphoramidite
(3-氨基-5-氟-2-硝基苯基)甲醇
胞苷 2':3'-环一磷酸 单钠盐
Nazartinib (EGF816)
Valproate Sodium Impurity 19
2-乙炔基-4-(三氟甲基)苯胺
2-(3-(TERT-BUTOXYCARBONYL)-3-AZASPIRO[5.5]UNDECAN-9-YL)ACETIC ACID
(2-氧杂氮杂-3-基)氨基甲酸叔丁酯
DMT-dA(bz) Phosphoramidite