Quin-2

CAS 73630-23-6C26H23K4N3O10Biochemicals & Reagents

Quin-2 (CAS: 73630-23-6) is a chemical compound with the molecular formula C26H23K4N3O10 and a molecular weight of 693.87. It is a potassium salt formulation, supplied with an assay of ≥95%. Quin-2 is suitable for fluorescence applications and is commonly used as a chelator and ion probe, particularly for the detection and measurement of calcium ions. It also serves as an indicator for Zn2+-protein complexes in research settings.

IUPAC: 2-[(2-Amino-5-methylphenoxy)methyl]-6-methoxy-8-aminoquinoline-N,N,N′,N′-tetraacetic acid tetrapotassium salt,2-{[2-Bis-(carboxymethyl)amino-5-methylphenoxy]-methyl}-6-methoxy-8-bis-(carboxymethyl)aminoquinoline tetrapotassium salt,Glycine,N-[2-[[8-[bis(carboxymethyl)amino]-6-methoxy-2-quinolinyl]methoxy]-4-methylphenyl]-N-(carboxymethyl)-,potassium salt (1:4),Quin 2, Tetrapotassium Salt,tetrapotassium 2-[[2-[[2-[bis(2-oxido-2-oxoethyl)amino]-5-methylphenoxy]methyl]-6-methoxyquinolin-8-yl]-(2-oxido-2-oxoethyl)amino]acetate
Synonyms: Quin 2, Tetrapotassium Salttetrapotassium 2-[[2-[[2-[bis(2-oxido-2-oxoethyl)amino]-5-methylphenoxy]methyl]-6-methoxyquinolin-8-yl]-(2-oxido-2-oxoethyl)amino]acetateGlycine, N-[2-[[8-[bis(carboxymethyl)amino]-6-methoxy-2-quinolinyl]methoxy]-4-methylphenyl]-N-(carboxymethyl)-, potassium salt (1:4)2-{[2-Bis-(carboxymethyl)amino-5-methylphenoxy]-methyl}-6-methoxy-8-bis-(carboxymethyl)aminoquinoline tetrapotassium salt

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Quin-2 (C26H23K4N3O10) — chemical structure, CAS 73630-23-6; Life Science, fine chemical supplied by Tech Serve Solutions

Biochemicals and ReagentsCalcium IndicatorsChelators and Ion ProbesDetectionFluorescent ProbesLabelsParticles and StainsWavelength Index More...

01 /Applications

Calcium Indicator

Quin-2 is a well-established fluorescent indicator used for the determination of intracellular calcium ion concentrations. Its fluorescence properties change upon binding with Ca2+ ions, allowing for quantitative measurements in biological systems.

Zinc Ion Indicator

Beyond calcium detection, Quin-2 has demonstrated utility as an indicator for zinc (Zn2+) protein complexes. This application is valuable in studies investigating the role of zinc in biological processes and cellular signalling.

Fluorescence Assays

The compound's fluorescent nature makes it suitable for a variety of fluorescence-based assays and probes. It can be employed in microscopy and flow cytometry for cellular imaging and analysis.

Chelator and Ion Probe

As a chelator and ion probe, Quin-2 binds selectively to specific metal ions. Its use extends to research in biochemistry and cell biology where precise ion measurements are required.

02 /Properties

Molecular weight	693.87
Empirical formula	C26H23K4N3O10
Assay	≥95% (HPLC)
Solubility	H2O: soluble10 mg/mL
Storage temperature	2-8°C
Application	Quin-2 has been demonstrated to be an indicator of Zn2+-protein complexes 1.
Suitability	suitable for fluorescence

03 /Safety & handling

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

Warning

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)	26-36

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

04 /Identifiers & registry

CAS number

73630-23-6

MDL number

MFCD00065487

Beilstein registry

5374262

05 /Additional specifications

Fluorescence	λex 332 nm; λem 493 nm in 0.1 M Tris pH 8.0, 10 mM Ca2+

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 Quin-2 used for?

Quin-2 is primarily used as a fluorescent indicator for calcium ions, and it can also indicate Zn2+-protein complexes. It is suitable for fluorescence-based assays, including microscopy and flow cytometry.

What is the CAS number and formula for Quin-2?

The CAS number for Quin-2 is 73630-23-6, and its empirical formula (Hill notation) is C26H23K4N3O10.

What grade and purity does Tech Serve Solutions supply?

Tech Serve Solutions supplies Quin-2 with an assay of ≥95% (HPLC). This product is intended for research and laboratory use and is not supplied as USP, BP, EP, or pharmaceutical grade.

What are the safety and handling considerations for Quin-2?

Quin-2 is classified with a GHS07 symbol and a Warning signal word. It can cause skin irritation (H315), serious eye irritation (H319), and may cause respiratory irritation (H335). Appropriate personal protective equipment, including a dust mask (N95), eyeshields, and gloves, should be used. Handle in a well-ventilated area and avoid dust formation.

How is Quin-2 packed and exported?

Quin-2 is typically stored at 2-8°C. As a global supplier, Tech Serve Solutions handles the packing and export of chemicals in compliance with international shipping regulations.

How can I request a quote or sample for Quin-2?

To request a quote or a sample of Quin-2, please contact the Tech Serve Solutions sales team through our website or by phone, providing the product name and CAS number.