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N5759

Sigma-Aldrich

4-Nitrophenyl β-D-cellobioside

chromogenic, ≥98% (TLC), powder

Synonym(s):

p-Nitrophenyl β-D-cellobioside

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About This Item

Empirical Formula (Hill Notation):
C18H25NO13
CAS Number:
3482-57-3
Molecular Weight:
463.39
Beilstein:
100234
MDL number:
MFCD00069845
UNSPSC Code:
12352204
PubChem Substance ID:
24897749
NACRES:
NA.32

product name

4-Nitrophenyl β-D-cellobioside, ≥98% (TLC)

Quality Level

300

Assay

≥98% (TLC)

form

powder

solubility

water: 49.00-51.00 mg/mL

storage temp.

2-8°C

SMILES string

OC[C@H]1O[C@@H](O[C@H]2[C@H](O)[C@@H](O)[C@@H](O[C@@H]2CO)Oc3ccc(cc3)[N+]([O-])=O)[C@H](O)[C@@H](O)[C@@H]1O

InChI

1S/C18H25NO13/c20-5-9-11(22)12(23)14(25)18(30-9)32-16-10(6-21)31-17(15(26)13(16)24)29-8-3-1-7(2-4-8)19(27)28/h1-4,9-18,20-26H,5-6H2/t9-,10-,11-,12+,13-,14-,15-,16-,17-,18+/m1/s1

InChI key

IAYJZWFYUSNIPN-KFRZSCGFSA-N

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Application

4-Nitrophenyl β-D-cellobioside has been used as a substrate to assay β-D-celluliosidase or cellobiohydrolase (exocellulase) activity in the microbial community. It has also been used as a substrate to study the endoglucanase J30 activity.

Biochem/physiol Actions

4-Nitrophenyl β-D-cellobioside is a cellotriose analog, and a chromogenic substrate commonly used for the detection of cellulase activity. Exoglucanase, endoglucanase and β -glucosidase hydrolyze 4-nitrophenyl β-D-cellobioside to form p-nitrophenol (PNP).

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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J Woodward et al.
FEBS letters, 270(1-2), 143-146 (1990-09-17)
The p-nitrophenylcellobiosidase (PNPCase) activity of Trichoderma reesei cellobiohydrolase I (CBH I) was competitively inhibited by concentrations of guanidine hydrochloride (Gdn HCl) that did not affect the tryptophan fluorescence of this enzyme. The Km of CBH I, 3.6 mM, was increased
G Henriksson et al.
European journal of biochemistry, 259(1-2), 88-95 (1999-01-23)
A 28-kDa endoglucanase was isolated from the culture filtrate of Phanerochaete chrysosporium strain K3 and named EG 28. It degrades carboxymethylated cellulose and amorphous cellulose, and to a lesser degree xylan and mannan but not microcrystalline cellulose (Avicel). EG 28
Bin Wu et al.
Science in China. Series C, Life sciences, 51(5), 459-469 (2008-09-13)
Conformational changes to 1,4-beta-D-glucan cellobiohydrolase I (CBHI) in response to its binding with p-nitrophenyl beta-D-cellobioside (PNPC) were analyzed by second-derivative fluorescence spectrometry at the saturation binding point. Irreversible changes to the configuration of PNPC during the course of the binding
K Ohmiya et al.
Journal of bacteriology, 161(1), 432-434 (1985-01-01)
An enzyme active against p-nitrophenyl-beta-D-glucoside was purified from logarithmic-phase cells of Ruminococcus albus cultivated in a medium containing ball-milled cellulose. The purification yielded homogeneous enzyme after an approximately 520-fold increase in specific activity and a 9% yield. The enzyme was
Daniel J Coleman et al.
Analytical biochemistry, 371(2), 146-153 (2007-10-12)
A simple and reliable continuous assay procedure for measurement of cellulase activity from several species using the new substrate resorufin-beta-D-cellobioside (Res-CB) has been developed. The product of enzyme reaction, resorufin, exhibits fluorescence emission at 585 nm with excitation at 571
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