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Cas Database |
| Name |
4-Methylumbelliferyl beta-D-galactoside |
EINECS | 228-185-5 |
| CAS No. | 6160-78-7 | Density | 1.522 g/cm3 |
| PSA | 129.59000 | LogP | -0.71990 |
| Solubility | soluble in water | Melting Point |
258-263oC (dec.) |
| Formula | C16H18O8 | Boiling Point | 626.9 °C at 760 mmHg |
| Molecular Weight | 338.314 | Flash Point | 233.9 °C |
| Transport Information | N/A | Appearance | White Powder |
| Safety | 24/25 | Risk Codes | 26/27/28 |
| Molecular Structure |
|
Hazard Symbols |
 T+
|
| Synonyms |
Coumarin,7-(b-D-galactopyranosyloxy)-4-methyl-(7CI,8CI);4-Methylumbelliferone b-D-galactopyranoside;4-Methylumbelliferone b-D-galactoside;4-Methylumbelliferyl b-D-galactopyranoside;4-Methylumbelliferyl b-D-galactoside;MUGal;b-Methylumbelliferyl-b-D-galactopyranoside; |
Article Data | 8 |
4-Methylumbelliferyl beta-D-galactoside Synthetic route
- 6160-79-8
4-methylumbelliferyl 2,3,4,6-tetra-O-acetyl-β-D-galactopyranoside
- 6160-78-7
4-methylumbelliferyl-β-D-galactopyranoside
| Conditions | Yield |
|---|---|
| With sodium methylate In methanol at 20℃; for 0.5h; | 95% |
| With sodium carbonate In methanol; water at 20℃; for 0.5h; | 91% |
| With sodium methylate In methanol at 20℃; for 0.5h; Deacetylation; | 83% |
| With methanol; sodium methylate at 20℃; for 0.5h; | 64% |
| With methanol; sodium methylate |
- 90-33-5, 79566-13-5
7-hydroxy-4-methyl-chromen-2-one
- 6160-78-7
4-methylumbelliferyl-β-D-galactopyranoside
| Conditions | Yield |
|---|---|
| Multi-step reaction with 2 steps 1: 68 percent / TMSOTf / CH2Cl2 / 0.5 h / -78 °C 2: 83 percent / NaOMe / methanol / 0.5 h / 20 °C View Scheme | |
| Multi-step reaction with 2 steps 1: acetone; aq. NaOH solution 2: sodium methylate; methanol View Scheme |
- 3947-62-4, 6207-76-7, 10343-06-3, 19235-21-3, 22554-70-7, 22860-22-6, 57884-82-9, 62057-79-8, 70191-05-8, 109525-54-4, 140147-37-1, 47339-09-3
2,3,4,6-tetra-O-acetyl-α/β-D-galactopyranose
- 6160-78-7
4-methylumbelliferyl-β-D-galactopyranoside
| Conditions | Yield |
|---|---|
| Multi-step reaction with 3 steps 1: 1-methylimidazole / CH2Cl2 / 16 h / 20 °C 2: 68 percent / TMSOTf / CH2Cl2 / 0.5 h / -78 °C 3: 83 percent / NaOMe / methanol / 0.5 h / 20 °C View Scheme | |
| Multi-step reaction with 3 steps 1.1: dichloromethane / 1 h / 0 °C / Inert atmosphere 1.2: 0.5 h / 0 °C / Inert atmosphere 2.1: boron trifluoride dimethyl etherate / dichloromethane / 20 °C / Inert atmosphere 3.1: methanol; sodium methylate / 0.5 h / 20 °C View Scheme |
- 281207-18-9
2-(2',3',4',6'-tetra-O-acetyl-α-D-galactopyranosyloxy)-1,3,2-dioxaphosphinane 2-oxide
- 6160-78-7
4-methylumbelliferyl-β-D-galactopyranoside
| Conditions | Yield |
|---|---|
| Multi-step reaction with 2 steps 1: 68 percent / TMSOTf / CH2Cl2 / 0.5 h / -78 °C 2: 83 percent / NaOMe / methanol / 0.5 h / 20 °C View Scheme |
- 3068-32-4
1-bromo-1-deoxy-2,3,4,6-tetra-O-acetyl-a-D-galactopyranoside
- 6160-78-7
4-methylumbelliferyl-β-D-galactopyranoside
| Conditions | Yield |
|---|---|
| Multi-step reaction with 2 steps 1: acetone; aq. NaOH solution 2: sodium methylate; methanol View Scheme |
- 2956-16-3
uridine 5'-diphospho-D-galactose
- 90-33-5, 79566-13-5
7-hydroxy-4-methyl-chromen-2-one
- 6160-78-7
4-methylumbelliferyl-β-D-galactopyranoside
| Conditions | Yield |
|---|---|
| With magnesium chloride at 37℃; for 0.25h; pH=7.5; Kinetics; Concentration; aq. phosphate buffer; Enzymatic reaction; |
- 25878-60-8
D-galactose pentaacetate
- 6160-78-7
4-methylumbelliferyl-β-D-galactopyranoside
| Conditions | Yield |
|---|---|
| Multi-step reaction with 4 steps 1.1: morpholine / dichloromethane / 20 °C / Inert atmosphere 2.1: dichloromethane / 1 h / 0 °C / Inert atmosphere 2.2: 0.5 h / 0 °C / Inert atmosphere 3.1: boron trifluoride dimethyl etherate / dichloromethane / 20 °C / Inert atmosphere 4.1: methanol; sodium methylate / 0.5 h / 20 °C View Scheme |
- 74808-10-9, 86520-63-0, 87119-53-7, 92052-29-4, 121238-27-5, 142831-80-9, 127061-80-7
2,3,4,6-tetra-O-acetyl-D-galactopyranosyl trichloroacetimidate
- 6160-78-7
4-methylumbelliferyl-β-D-galactopyranoside
| Conditions | Yield |
|---|---|
| Multi-step reaction with 2 steps 1: boron trifluoride dimethyl etherate / dichloromethane / 20 °C / Inert atmosphere 2: methanol; sodium methylate / 0.5 h / 20 °C View Scheme |
| Conditions | Yield |
|---|---|
| Multi-step reaction with 3 steps 1: sulfuric acid / 12 h / 20 °C 2: sodium hydroxide; tetrabutylammomium bromide / chloroform; water / 16 h / 20 °C 3: sodium carbonate / water; methanol / 0.5 h / 20 °C View Scheme |
| Conditions | Yield |
|---|---|
| Multi-step reaction with 3 steps 1: hydrogen bromide; acetic acid / 4 h / 20 °C 2: sodium hydroxide; tetrabutylammomium bromide / chloroform; water / 16 h / 20 °C 3: sodium carbonate / water; methanol / 0.5 h / 20 °C View Scheme |
4-Methylumbelliferyl beta-D-galactoside Chemical Properties
Molecular Structure of 2H-1-Benzopyran-2-one,7-(b-D-galactopyranosyloxy)-4-methyl- (CAS NO.6160-78-7):
.png)
IUPAC Name: 4-Methyl-7-[(2S,3R,4S,5R,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxychromen-2-one
CAS: 31005-02-4
EINECS: 250-429-4
Melting Point: 88-90 °C(lit.)
Empirical Formula: C16H18O8
Molecular Weight: 338.3093
H bond acceptors: 8
H bond donors: 4
Freely Rotating Bonds: 7
Polar Surface Area: 81.68 Å2
Index of Refraction: 1.641
Molar Refractivity: 80.17 cm3
Molar Volume: 222.1 cm3
Surface Tension: 73.1 dyne/cm
Density: 1.522 g/cm3
Flash Point: 233.9 °C
Enthalpy of Vaporization: 97.54 kJ/mol
Boiling Point: 626.9 °C at 760 mmHg
Vapour Pressure: 1.39E-16 mmHg at 25 °C
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
Smiles: c12c(c(cc(o2)=O)C)ccc(c1)O[C@H]1[C@@H]([C@@H](O)[C@H]([C@H](O1)CO)O)O
Product Categories: Coumarin; romatics Compounds; romatics
4-Methylumbelliferyl beta-D-galactoside Safety Profile
Hazard Codes: 
Xi
Safety Statements: 22-24/25
S22:Do not breathe dust.
S24/25:Avoid contact with skin and eyes.
WGK Germany: 3
F: 8
Hazard Note: Irritant
4-Methylumbelliferyl beta-D-galactoside Specification
2H-1-Benzopyran-2-one,7-(b-D-galactopyranosyloxy)-4-methyl- , with CAS number of 6160-78-7, can be called 7-Ethoxy-1-benzopyran-2-one ; 7-ethoxy-1-benzopyrane-2-one ; 7-ethoxycoumarin ; ethoxycoumarin, 7-;2h-1-benzopyran-2-one, 7-ethoxy- ; coumarin, 7-ethoxy- ; ethylumbelliferone ; 7-ethoxycoumarin, 99.5% ; MUG .It is a beige crystalline powder, can be used as a substrate for CYP2B6. 2H-1-Benzopyran-2-one,7-(b-D-galactopyranosyloxy)-4-methyl- (CAS NO.6160-78-7) is a white powder, be useful for fluorometric assay.
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