Resorufin β-D-glucuronide sodium salt
Resorufin β-D-glucuronide sodium salt (CAS: 125440-91-7) is a fluorogenic substrate with the molecular formula C18H14NO9Na and a molecular weight of 411.29 g/mol. It is primarily used in biochemical research as a substrate for the enzyme β-glucuronidase. Upon enzymatic cleavage, it releases resorufin, a highly fluorescent product, enabling sensitive detection and quantification of enzyme activity in various biological assays.
- IUPAC
- 3-Phenoxazone 7-(β-D-glucuronide)
- Synonyms
- 3-Phenoxazone 7-(β-D-glucuronide) sodium salt

Enzyme Activity Assays
Used as a fluorogenic substrate to measure the activity of β-glucuronidase. The release of resorufin allows for sensitive detection and quantification in research and diagnostic applications.
Biochemical Research
Investigates enzyme kinetics and inhibition studies involving β-glucuronidase. Its fluorescent properties make it suitable for high-throughput screening and cellular assays.
Drug Discovery and Development
Employed in screening for potential inhibitors or activators of β-glucuronidase, aiding in the development of therapeutic agents targeting enzymes involved in various biological pathways.
| Molecular weight | 411.29 |
|---|---|
| Linear formula | C18H14NO9Na |
| Assay | ≥90% |
| Storage temperature | −20°C |

Hazard statements
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P305IF IN EYES
| Protective equipment | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 36/37/38 |
| Safety statements (S) | 22-26-36 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
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.
What is Resorufin β-D-glucuronide sodium salt used for?
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Resorufin β-D-glucuronide sodium salt is used as a fluorogenic substrate to assay the activity of the enzyme β-glucuronidase in biochemical research and diagnostic applications.
What is the CAS number and formula?
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The CAS number is 125440-91-7 and the molecular formula is C18H14NO9Na.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Resorufin β-D-glucuronide sodium salt with an assay of ≥90%. We do not represent this product as USP, BP, EP, or other pharmacopoeial grades.
How should Resorufin β-D-glucuronide sodium salt be handled?
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This compound may cause skin irritation (H315), serious eye irritation (H319), and respiratory irritation (H335). Use a dust mask type N95 (US), safety eyeshields, and gloves. Ensure adequate ventilation.
How is this chemical shipped and exported?
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Resorufin β-D-glucuronide sodium salt is typically stored at −20°C. Tech Serve Solutions can export this chemical globally, adhering to all relevant shipping regulations.
How can I request a sample or quote?
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To request a sample or a quote, please contact our sales team through the website or by phone, providing your specific requirements.
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