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M2405

Sigma-Aldrich

4-Methylumbelliferyl β-D-lactopyranoside

β-galactosidase substrate, ≥98.00% (TLC), powder

Synonyme(s) :

4-Methylumbelliferyl β-D-lactoside

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About This Item

Formule empirique (notation de Hill):
C22H28O13
Numéro CAS:
84325-23-5
Poids moléculaire :
500.45
Numéro Beilstein :
8094402
Numéro MDL:
MFCD00083406
Code UNSPSC :
12352204
ID de substance PubChem :
24896730
Nomenclature NACRES :
NA.32

product name

4-Methylumbelliferyl β-D-lactopyranoside, β-galactosidase substrate

Niveau de qualité

200

Pureté

≥98.00% (TLC)

Forme

powder

Solubilité

water: 9.80-10.20 mg/mL, clear, colorless to faintly yellow

Fluorescence

λex 365 nm; λem 445 nm (after enzymatic degradation)

Température de stockage

−20°C

Chaîne SMILES 

CC1=CC(=O)Oc2cc(O[C@@H]3O[C@H](CO)[C@@H](O[C@@H]4O[C@H](CO)[C@H](O)[C@H](O)[C@H]4O)[C@H](O)[C@H]3O)ccc12

InChI

1S/C22H28O13/c1-8-4-14(25)32-11-5-9(2-3-10(8)11)31-21-19(30)17(28)20(13(7-24)34-21)35-22-18(29)16(27)15(26)12(6-23)33-22/h2-5,12-13,15-24,26-30H,6-7H2,1H3/t12-,13-,15+,16+,17-,18-,19-,20-,21-,22+/m1/s1

Clé InChI

PRTGXBPFDYMIJH-KSFLKEQHSA-N

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Application

4-Methylumbelliferyl β-D-lactopyranoside has been used as a chromophoric substrate for cellobiohydrolase I (CBHI) in T. reesei. It has also been used as a substrate for cellobiohydrolase I (Cel7A), endoglucanase I (Cel7B) and β-glucosidase from fermented samples in enzymatic assay.

Actions biochimiques/physiologiques

4-Methylumbelliferyl β-D-lactopyranoside is a fluorescence compound hydrolyzed by the enzyme β-glucosidase (βG) and CBH1

Code de la classe de stockage

11 - Combustible Solids

Classe de danger pour l'eau (WGK)

WGK 3

Point d'éclair (°F)

Not applicable

Point d'éclair (°C)

Not applicable

Certificats d'analyse (COA)

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Consulter la Bibliothèque de documents

M J Bailey et al.
Applied microbiology and biotechnology, 62(2-3), 156-162 (2003-04-08)
A low-foaming hydrophobin II deletant of the Trichoderma reesei strain Rut-C30 was used for production of cellulases by continuous cultivation on lactose medium in a laboratory fermenter. The control paradigm of the addition of new medium to the continuous process
Ana Cristina Rodrigues et al.
Bioresource technology, 156, 163-169 (2014-02-08)
The potential of enzymes recycling after hydrolysis and fermentation of wheat straw under a variety of conditions was investigated, monitoring the activity of the enzymes in the solid and liquid fractions, using low molecular weight substrates. A significant amount of
Yaron Shav-Tal et al.
FEBS letters, 531(2), 109-114 (2002-11-06)
Proteins are often referred to in accordance with the activity with which they were first associated or the organelle in which they were initially identified. However, a variety of nuclear factors act in multiple molecular reactions occurring simultaneously within the
Noam Fallik et al.
Oncotarget, 8(65), 109575-109586 (2018-01-10)
Hematopoietic Stem Cells (HSCs) generate blood and immune cells through a hierarchical process of differentiation. Genes that regulate this process are of great interest for understanding normal and also malignant hematopoiesis. Surprisingly, however, very little is known about long-non-coding RNAs
Ana Cristina Rodrigues et al.
Enzyme and microbial technology, 79-80, 70-77 (2015-09-01)
The hydrolysis/fermentation of wheat straw and the adsorption/desorption/deactivation of cellulases were studied using Cellic(®) CTec2 (Cellic) and Celluclast mixed with Novozyme 188. The distribution of enzymes - cellobiohydrolase I (Cel7A), endoglucanase I (Cel7B) and β-glucosidase - of the two formulations
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