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Merck
CN

R4883

Resorufin β-D-galactopyranoside

~95%, powder

Synonym(s):

3-Phenoxazone 7-(β-D-galactopyranoside)

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About This Item

Empirical Formula (Hill Notation):
C18H17NO8
CAS Number:
95079-19-9
Molecular Weight:
375.33
NACRES:
NA.32
PubChem Substance ID:
24899376
UNSPSC Code:
12352204
MDL number:
MFCD00064055
Beilstein/REAXYS Number:
4335306

Key Documents

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Product Name

Resorufin β-D-galactopyranoside, ~95%

InChI

1S/C18H17NO8/c20-7-14-15(22)16(23)17(24)18(27-14)25-9-2-4-11-13(6-9)26-12-5-8(21)1-3-10(12)19-11/h1-6,14-18,20,22-24H,7H2/t14-,15+,16+,17-,18-/m1/s1

SMILES string

OC[C@H]1O[C@@H](Oc2ccc3N=C4C=CC(=O)C=C4Oc3c2)[C@H](O)[C@@H](O)[C@H]1O

InChI key

QULZFZMEBOATFS-DISONHOPSA-N

assay

~95%

form

powder

solubility

DMSO: 20 mg/mL, clear, orange to red

storage temp.

−20°C

Quality Level

200

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General description

Resorufin β-D-galactopyranoside is a non-fluorescent compound and is orange-yellow in color. It is hydrolyzed by the enzyme β-galactosidase (β-Gal) to yield fluorescent resorufin.

Packaging

Bottomless glass bottle. Contents are inside inserted fused cone.

Storage Class

11 - Combustible Solids

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)

Regulatory Information

涉药品监管产品
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Certificates of Analysis (COA)

Lot/Batch Number
BCCD0023
BCCC4587
BCBZ8478
BCBX9229
BCBX4607

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Microchip device for performing enzyme assays
Hadd AG, et al.
Analytical Chemistry, 69(17), 3407-3412 (1997)
Immobilized enzyme kinetics analyzed by flow-through microfluorimetry: resorufin-beta-D-galactopyranoside as a new fluorogenic substrate for beta-galactosidase
Hofmann J and Sernetz M
Analytica Chimica Acta, 163, 67-72 (1984)
K D Wittrup et al.
Cytometry, 9(4), 394-404 (1988-07-01)
A novel assay of single-cell exogenous beta-galactosidase activity in Saccharomyces cerevisiae has been developed. Intracellular fluorescence due to the hydrolysis of resorufin-beta-D-galactopyranoside attains a steady state between production of resorufin and its subsequent leakage from the cell. The cells are
Sachin Jambovane et al.
Analytical chemistry, 81(9), 3239-3245 (2009-04-03)
We have demonstrated a multistep enzyme reaction on a chip to determine the key kinetic parameters of enzyme reaction. We designed and fabricated a fully integrated microfluidic chip to have sample metering, mixing, and incubation functionalities. The chip generates a
Seung-Yong Jung et al.
Langmuir : the ACS journal of surfaces and colloids, 24(9), 4439-4442 (2008-03-26)
A device with femtoliter-scale chambers and controlled reaction initiation was developed for single-molecule enzymology. Initially separated substrate and enzyme streams were rapidly mixed in a microfluidic device and encapsulated in an array of individual microreactors, allowing for enzyme kinetics to
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