DAR-2

CAS 261351-45-5C28H32N4O3Biochemicals & Reagents

DAR-2 (CAS: 261351-45-5), with the molecular formula C28H32N4O3 and a molecular weight of 472.58, is a specialised chemical compound. It serves as a fluorescent nitric oxide (NO) sensor, utilising its fluorescence properties for detection. This probe is valuable in biochemical research and diagnostics where monitoring NO levels is crucial.

IUPAC: 5,6-Diamino-rhodamine B,5,6-Diamino-N,N,N′,N′-tetraethylrhodamine

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DAR-2 (C28H32N4O3) — chemical structure, CAS 261351-45-5; Life Science, fine chemical supplied by Tech Serve Solutions

Biochemicals and ReagentsFluorescent ProbesLabelsParticles and StainsNitric Oxide Probes

01 /Applications

Fluorescent Nitric Oxide Sensing

DAR-2 is employed as a sensitive fluorescent probe for the detection of nitric oxide (NO). Its fluorescence characteristics, with excitation at 562 nm and emission at 579 nm, make it suitable for monitoring NO in biological systems. It is specifically applicable in research settings requiring the measurement of NO concentrations.

Biochemical Research Reagent

As a member of the biochemicals and reagents category, DAR-2 is a vital tool for researchers. It functions within fluorescent indicators and probes, enabling detailed studies in areas related to cellular signalling and physiological processes influenced by nitric oxide.

Fluorescent Probe for Biological Assays

This compound is utilised as a fluorescent probe, label, particle, or stain in various biological assays. Its ability to fluoresce allows for visual or quantitative analysis of biological samples, particularly those involving nitric oxide pathways or oxygen detection.

02 /Properties

Molecular weight	472.58
Empirical formula	C28H32N4O3
Assay	≥97.0% (HPCE)
Application	Suitable as fluorescent NO-sensor1,2.
Suitability	suitable for fluorescence

03 /Safety & handling

GHS hazard pictogram: Harmful / irritant (GHS07) — Harmful / irritant

Warning

Hazard statements

H302Harmful if swallowed

Protective equipment	dust mask type N95 (US), Eyeshields, Gloves
Water hazard class (WGK, DE)	3
Hazard codes (EU)	Xn
Risk statements (R)	22

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

04 /Identifiers & registry

CAS number

261351-45-5

MDL number

MFCD08276989

05 /Additional specifications

Fluorescence	λex 562 nm; λem 579 nm in 0.1 M phosphate pH 7.4, NO

06 /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.

07 /Frequently asked questions

What is DAR-2 primarily used for?

DAR-2 is primarily used as a fluorescent nitric oxide (NO) sensor and a reagent in biochemical research and biological assays.

What is the CAS number and molecular formula for DAR-2?

The CAS number for DAR-2 is 261351-45-5, and its molecular formula is C28H32N4O3.

What grade and purity does Tech Serve Solutions supply for DAR-2?

Tech Serve Solutions supplies DAR-2 with a purity of ≥97.0% (HPCE). This product is not represented as USP, BP, EP, or pharmacopoeia grade.

What are the safety considerations when handling DAR-2?

DAR-2 is classified with GHS07 symbol and a 'Warning' signal word, indicating it is harmful if swallowed (H302). Appropriate personal protective equipment including a dust mask (type N95), eyeshields, and gloves should be used. Handle in a well-ventilated area to avoid dust inhalation.

How is DAR-2 packed, shipped, and exported?

DAR-2 is carefully packed to ensure stability during transit and is available for global export by Tech Serve Solutions. Specific packaging details are available upon request.