4-Nitrophenyl-beta-D-galactopyranoside
Synonym(s):p-Nitrophenyl β-D -galacto-pyran-oside
- CAS NO.：3150-24-1
- Empirical Formula: C12H15NO8
- Molecular Weight: 301.25
- MDL number: MFCD00063256
- EINECS: 221-584-5
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-01-13 11:21:42
What is 4-Nitrophenyl-beta-D-galactopyranoside?
Chemical properties
white to light yellow crystalline powder
The Uses of 4-Nitrophenyl-beta-D-galactopyranoside
p-Nitrophenyl-β-D-galactopyranoside (cas# 3150-24-1) is a compound useful in organic synthesis.
What are the applications of Application
4-Nitrophenyl β-D-galactopyranoside is a derivative of galactopyranose
Definition
ChEBI: A beta-D-galactopyranoside having a 4-nitrophenyl substituent at the anomeric position.
Purification Methods
Purify the galactoside by recrystallisation from EtOH. [Horikoshi J Biochem (Tokyo) 35 39 1042, Goebel & Avery J Exptl Medicine 50 521 1929, Snyder & Link J Am Chem Soc 7 5 1758.] It is a chromogenic substrate for -galactosidases [Buoncore et al. J Appl Biochem 2 390 1980]. [Beilstein 17/7 V 55.]
Properties of 4-Nitrophenyl-beta-D-galactopyranoside
| Melting point: | 178-182 °C |
| Boiling point: | 442.39°C (rough estimate) |
| alpha | [α]D20 -79～-85° (c=2, H2O)(calculated on the dried basis) |
| Density | 1.3709 (rough estimate) |
| refractive index | 1.5200 (estimate) |
| storage temp. | Inert atmosphere,Store in freezer, under -20°C |
| solubility | DMF: 11 mg/ml; DMSO: 10 mg/ml; Ethanol: Slightly soluble; PBS (pH 7.2): 0.09 mg/ml |
| pka | 12.55±0.70(Predicted) |
| form | powder to crystal |
| color | White to Almost white |
| Water Solubility | Soluble in DMSO, Methanol, Water. |
| BRN | 92213 |
| CAS DataBase Reference | 3150-24-1(CAS DataBase Reference) |
Safety information for 4-Nitrophenyl-beta-D-galactopyranoside
| Precautionary Statement Codes |
P261:Avoid breathing dust/fume/gas/mist/vapours/spray. P271:Use only outdoors or in a well-ventilated area. P280:Wear protective gloves/protective clothing/eye protection/face protection. |
Computed Descriptors for 4-Nitrophenyl-beta-D-galactopyranoside
| InChIKey | IFBHRQDFSNCLOZ-AUCPDYOHSA-N |
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