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4-Nitrophenyl-beta-D-galactopyranoside

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4-Nitrophenyl-beta-D-galactopyranoside Basic information

Product Name:
4-Nitrophenyl-beta-D-galactopyranoside
Synonyms:
  • NITROPHENYL-B-D-GALACTOPYRANOSIDE, 4-
  • P-NITROPHENYL BETA-D-GALACTOPYRANOSIDE
  • P-NITROPHENYL BETA-D-GALACTOSIDE
  • PNPG
  • PNP-BETA-D-GAL
  • PNP BETA-D-GALACTOPYRANOSIDE
  • 4-Nitrophenyl-B-D-Galactopyranoside(PNPG)
  • 4-Nitrophenyl-α-D-galactophranoside
CAS:
3150-24-1
MF:
C12H15NO8
MW:
301.25
EINECS:
221-584-5
Product Categories:
  • substrate
  • Biochemistry
  • Galactose
  • Glycosides
  • Sugars
  • Carbohydrates & Derivatives
  • Substrates
Mol File:
3150-24-1.mol
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4-Nitrophenyl-beta-D-galactopyranoside Chemical Properties

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
InChIKey
IFBHRQDFSNCLOZ-AUCPDYOHSA-N
LogP
-0.590
CAS DataBase Reference
3150-24-1(CAS DataBase Reference)
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Safety Information

Hazard Codes 
Xi
Risk Statements 
36/37/38
Safety Statements 
24/25-36-26
WGK Germany 
3
3-10-21
HS Code 
29389090

MSDS

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4-Nitrophenyl-beta-D-galactopyranoside Usage And Synthesis

Chemical Properties

white to light yellow crystalline powder

Uses

p-Nitrophenyl-β-D-galactopyranoside (cas# 3150-24-1) is a compound useful in organic synthesis.

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.]

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