Resorufin β-D-galactopyranoside

CAS 95079-19-9C18H17NO8Biochemicals & Reagents

Resorufin β-D-galactopyranoside (CAS: 95079-19-9), with the molecular formula C18H17NO8 and a molecular weight of 375.33 g/mol, is a fluorogenic substrate. It is primarily utilised in biochemical research for the detection and quantification of beta-galactosidase activity. This compound enables sensitive assays by releasing the fluorescent resorufin molecule upon enzymatic cleavage.

IUPAC: 3-Phenoxazone 7-(β-D-galactopyranoside)
Synonyms: 3-Phenoxazone 7-(β-D-galactopyranoside)

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Resorufin β-D-galactopyranoside (C18H17NO8) — chemical structure, CAS 95079-19-9; Life Science, fine chemical supplied by Tech Serve Solutions

ActivityBiochemicals and ReagentsChromogenicEnzyme SubstratesEnzymesInhibitorsand SubstratesFluorescent ProbesLabelsParticles and Stains

01 /Applications

Enzyme Activity Assays

Resorufin β-D-galactopyranoside serves as a fluorogenic substrate for the enzyme beta-galactosidase. Its enzymatic hydrolysis liberates fluorescent resorufin, allowing for sensitive detection and quantification of enzyme activity in various biological samples and research settings.

Biochemical Research

This compound is a valuable tool in glycobiology and molecular biology research. It aids in studying enzyme kinetics, screening for enzyme inhibitors, and characterising beta-galactosidase activity in diverse cellular and biochemical contexts.

Fluorescence-Based Detection

The release of resorufin upon enzymatic action makes this substrate ideal for fluorescence-based detection methods, including flow cytometry and microplate assays, due to its high sensitivity and low background fluorescence.

02 /Properties

Molecular weight	375.33
Empirical formula	C18H17NO8
Assay	~95%
Storage temperature	−20°C

03 /Safety & handling

Protective equipment	Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter
Water hazard class (WGK, DE)	3

Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.

04 /Identifiers & registry

CAS number

95079-19-9

MDL number

MFCD00064055

Beilstein registry

4335306

05 /Quality & supply

Documentation

Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.

Supply & logistics

Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.

06 /Frequently asked questions

What is Resorufin β-D-galactopyranoside used for?

Resorufin β-D-galactopyranoside is a fluorogenic substrate used primarily for the detection and quantification of beta-galactosidase activity in biochemical and molecular biology research.

What are the CAS number and formula for Resorufin β-D-galactopyranoside?

The CAS number is 95079-19-9 and the empirical formula (Hill notation) is C18H17NO8.

What grade and purity does Tech Serve Solutions supply?

Tech Serve Solutions supplies Resorufin β-D-galactopyranoside with an assay of approximately 95%. This product is intended for research use and is not represented as USP, BP, or EP grade.

How should Resorufin β-D-galactopyranoside be handled and stored?

For safety, wear eyeshields, gloves, and a type N95 (US) or type P1 (EN143) respirator filter. Store at -20°C. The product has a WGK rating of 3 in Germany, indicating a high level of hazard to water.