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R3257

Sigma-Aldrich

Resorufin sodium salt

redox indicator

Synonym(s):

7-Hydroxy-3H-phenoxazin-3-one sodium salt

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About This Item

Empirical Formula (Hill Notation):
C12H6NNaO3
CAS Number:
34994-50-8
Molecular Weight:
235.17
Beilstein/REAXYS Number:
174850
EC Number:
252-310-2
MDL number:
MFCD00005037
UNSPSC Code:
12352204
PubChem Substance ID:
24899360
NACRES:
NA.28

form

powder

mp

>300 °C (lit.)

solubility

water: 1 mg/mL, opaque

storage temp.

room temp

SMILES string

[Na+].[O-]c1ccc2N=C3C=CC(=O)C=C3Oc2c1

InChI

1S/C12H7NO3.Na/c14-7-1-3-9-11(5-7)16-12-6-8(15)2-4-10(12)13-9;/h1-6,14H;/q;+1/p-1

InChI key

TYXBZZBYMSVFPR-UHFFFAOYSA-M

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General description

Resorufin is a fluorescent indicator.

Application

Resorufin has been used to determine the cytochrome P450 (CYP) 2A5 coumarin 7-hydroxylase (COH) activity changes over a broad range of lipopolysaccharide (LPS) doses. It has also been used as an internal standard for ethoxyresurufin-o-deethylase (EROD) analysis.

pictograms

Exclamation mark
GHS07

signalword

Warning

Hazard Classifications

Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3

target_organs

Respiratory system

Storage Class

11 - Combustible Solids

wgk_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

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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