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Key Documents

N0877

Sigma-Aldrich

4-Nitrophenyl α-D-galactopyranoside

α-glucosidase substrate, chromogenic, ≥99% (TLC), powder

Synonym(s):

p-Nitrophenyl α-D-galactopyranoside

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About This Item

Empirical Formula (Hill Notation):
C12H15NO8
CAS Number:
Molecular Weight:
301.25
Beilstein:
92214
EC Number:
MDL number:
UNSPSC Code:
12352204
PubChem Substance ID:
NACRES:
NA.32

product name

4-Nitrophenyl α-D-galactopyranoside, α-galactosidase substrate

Quality Level

Assay

≥99% (TLC)

form

powder

solubility

methanol: 100 mg/mL, clear to very slightly hazy

storage temp.

−20°C

SMILES string

OC[C@H]1O[C@H](Oc2ccc(cc2)[N+]([O-])=O)[C@H](O)[C@@H](O)[C@H]1O

InChI

1S/C12H15NO8/c14-5-8-9(15)10(16)11(17)12(21-8)20-7-3-1-6(2-4-7)13(18)19/h1-4,8-12,14-17H,5H2/t8-,9+,10+,11-,12+/m1/s1

InChI key

IFBHRQDFSNCLOZ-IIRVCBMXSA-N

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Application

4-Nitrophenyl α-D-galactopyranoside has been used as a substrate to determine α-galactosidase activity.

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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Ao T, et al.
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An acetylglucomannan esterase of Aspergillus oryzae; purification, characterization and role in the hydrolysis of O-acetyl-galactoglucomannan
Tenkanen M, et al.
Journal of Biotechnology, 42(3), 197-206 (1995)
Seçil Onal et al.
Artificial cells, blood substitutes, and immobilization biotechnology, 31(3), 339-355 (2003-08-09)
alpha-Galactosidase (alpha-D-galactoside galactohydrolase, EC 3.2.1.22) from watermelon was covalently immobilized on chitin. The immobilized alpha-galactosidase exhibited an activity of 0.61 U per g of carrier and an activity yield of 67%. The properties of free and immobilized alpha-galactosidase were also

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