7-(Diethylamino)coumarin-3-carbonyl azide

CAS 157673-16-0C14H14N4O3Chemical Synthesis

7-(Diethylamino)coumarin-3-carbonyl azide (CAS: 157673-16-0; C14H14N4O3; MW: 286.29) is a coumarin derivative featuring an azide functional group. This compound is recognised for its fluorescent properties, with excitation and emission maxima at 390 nm and 478 nm respectively in methanol. It serves as a valuable building block and reactive label in chemical synthesis and biochemical applications, particularly where fluorescence detection is employed.

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7-(Diethylamino)coumarin-3-carbonyl azide (C14H14N4O3) — chemical structure, CAS 157673-16-0; Chemistry, fine chemical supplied by Tech Serve Solutions

AzidesBiochemicals and ReagentsBuilding BlocksCarbohydrate LabelsChemical BiologyChemical SynthesisAlkynes and Other ReagentsDetectionFluorescent LabelsFluorescent Probes

01 /Applications

Fluorescent Labeling

Utilised as a fluorescent label due to its distinct excitation and emission spectra. It can be conjugated to biomolecules or other structures for fluorescent detection and imaging.

Chemical Synthesis

Serves as a reactive intermediate in organic synthesis, particularly for introducing the coumarin moiety or for reactions involving the azide group in building block applications.

Biochemical Reagent

Applied in biochemical research and chemical biology as a probe or labelling agent, suitable for applications requiring fluorescent readouts.

Conjugation Chemistry

The azide functionality makes it suitable for conjugation reactions, such as click chemistry, enabling the facile attachment to alkyne-modified molecules.

02 /Properties

Molecular weight	286.29
Empirical formula	C14H14N4O3
Assay	≥95% (HPLC)
Storage temperature	−20°C
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

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

04 /Identifiers & registry

CAS number

157673-16-0

MDL number

MFCD00467584

05 /Additional specifications

Product Line	BioReagent
Fluorescence	λex 390 nm; λem 478 nm in methanol

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 7-(Diethylamino)coumarin-3-carbonyl azide used for?

7-(Diethylamino)coumarin-3-carbonyl azide is used as a fluorescent label, a reactive intermediate in chemical synthesis, a biochemical reagent, and in conjugation chemistry.

What is the CAS number and formula for 7-(Diethylamino)coumarin-3-carbonyl azide?

The CAS number is 157673-16-0 and the empirical formula is C14H14N4O3.

What grade and purity does Tech Serve Solutions supply?

Tech Serve Solutions supplies this product with an assay of ≥95% (HPLC). TSS does not represent this product as USP, BP, EP or other pharmacopoeial grades.

How should 7-(Diethylamino)coumarin-3-carbonyl azide be handled?

Handle with appropriate personal protective equipment, including a dust mask (type N95 US), eyeshields, and gloves. Avoid breathing dust and ensure adequate ventilation. Store at -20°C. It is classified as an irritant to skin, eyes, and respiratory tract.