5-([4,6-Dichlorotriazin-2-yl]amino)fluorescein hydrochloride
5-([4,6-Dichlorotriazin-2-yl]amino)fluorescein hydrochloride (CAS: 21811-74-5) is a fluorescein derivative with a molecular weight of 531.73 g/mol. This compound is designed for fluorescent labeling of amines and N-terminal amino acids in proteins. It exhibits fluorescence with an excitation maximum of 495 nm and an emission maximum of 516 nm, making it valuable in biochemical research, molecular biology, and protein analysis. Supplied by Tech Serve Solutions, it is suitable for various laboratory applications.
- IUPAC
- DTAF
- Synonyms
- 21811-74-5
![5-([4,6-Dichlorotriazin-2-yl]amino)fluorescein hydrochloride (C23H12Cl2N4O5 · HCl) — chemical structure, CAS 21811-74-5; Life Science, fine chemical supplied by Tech Serve Solutions](/_next/image?url=https%3A%2F%2Fpub-f4d920c906024441a773a96f7098e551.r2.dev%2Fimages%2Fproducts%2F21811-74-5.png&w=3840&q=75)
Fluorescent Labeling of Amines
This fluorescein derivative reacts with primary amino groups, including those on N-terminal amino acids of proteins. This reaction enables fluorescent tagging of biomolecules for detection and analysis.
Protein Analysis and Modification
Utilised in protein structural analysis and modification, it allows for the visual identification and quantification of proteins through fluorescence microscopy and spectroscopy.
Biochemical Assays
As a fluorescent probe, it aids in various biochemical assays where the detection of amine-containing molecules or protein conjugation is required.
Molecular Biology Research
Its fluorescent properties are beneficial in molecular biology for tracking and studying biological processes involving proteins and other amine-containing structures.
| Molecular weight | 531.73 |
|---|---|
| Empirical formula | C23H12Cl2N4O5 · HCl |
| Assay | ≥90% (HPLC) |
| Storage temperature | 2-8°C |
| Application | A fluorescein derivative which reacts with amino groups and N-terminal amino acids of proteins at neutral pH. |
| 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.
| Fluorescence | λex 495 nm; λem 516 nm |
|---|
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 5-([4,6-Dichlorotriazin-2-yl]amino)fluorescein hydrochloride used for?
+
It is primarily used as a fluorescent label for amines and N-terminal amino acids of proteins, finding applications in protein modification, structural analysis, and molecular biology research.
What are the CAS number and formula for this compound?
+
The CAS number is 21811-74-5, and the empirical formula is C23H12Cl2N4O5 · HCl.
What grade and purity does Tech Serve Solutions supply?
+
Tech Serve Solutions supplies this compound with an assay of ≥90% (HPLC). We do not represent it as USP, BP, EP, or other pharmacopoeia grades.
What safety precautions are necessary when handling this chemical?
+
Handling requires personal protective equipment including eyeshields and gloves. A type N95 (US) or type P1 (EN143) respirator filter should be used if necessary. The compound has a WGK Germany rating of 3.
How is this product shipped and exported by Tech Serve Solutions?
+
Tech Serve Solutions is a specialist global supplier and exporter of fine chemicals, and can arrange appropriate shipping and export for this product.
How can I request a sample or quote for 5-([4,6-Dichlorotriazin-2-yl]amino)fluorescein hydrochloride?
+
Please contact Tech Serve Solutions directly through our website or sales team to request a sample or obtain a quotation.
▶ Related products
![(±)-(E)-4-Ethyl-2-[(E)-hydroxyimino]-5-nitro-3-hexenamide (C8H13N3O4) — chemical structure, CAS 138472-01-2; Biochemicals & Reagents, fine chemical supplied by Tech Serve Solutions](/_next/image?url=https%3A%2F%2Fpub-f4d920c906024441a773a96f7098e551.r2.dev%2Fimages%2Fproducts%2F138472-01-2.png&w=3840&q=75)
(±)-(E)-4-Ethyl-2-[(E)-hydroxyimino]-5-nitro-3-hexenamide
C8H13N3O4
Biochemicals & Reagents![(±)-(E)-4-Ethyl-2-[(Z)-hydroxyimino]-5-nitro-3-hexen-1-yl-nicotinamide (C14H18N4O4) — chemical structure, CAS 162626-99-5; Biochemicals & Reagents, fine chemical supplied by Tech Serve Solutions](/_next/image?url=https%3A%2F%2Fpub-f4d920c906024441a773a96f7098e551.r2.dev%2Fimages%2Fproducts%2F162626-99-5.png&w=3840&q=75)
(±)-(E)-4-Ethyl-2-[(Z)-hydroxyimino]-5-nitro-3-hexen-1-yl-nicotinamide
C14H18N4O4
Biochemicals & Reagents
(±)-2,5-Dimethoxy-4-bromoamphetamine hydrobromide
Biochemicals & Reagents
(±)-2-(p-Methoxyphenoxy)propionic acid
C10H12O4
Biochemicals & Reagents
(±)-2-Amino-6,7-dihydroxy-1,2,3,4-tetrahydronaphthalene hydrobromide
C10H13NO2·HBr
Biochemicals & Reagents
(±)-2-Hydroxydecanoic acid
C10H20O3
Biochemicals & Reagents
(±)-3-Hydroxydecanoic acid
C10H20O3
Biochemicals & Reagents
(±)-3-Hydroxyoctanoic acid
C8H16O3
Biochemicals & Reagents▶ Explore more
3-Methyl-1,5-di-p-tolyl-1,4-pentazadiene
Chemical Synthesis
3-Methyl-1,5-pentanediol
Chemical Synthesis
3-Methyl-1-(2-methylphenyl)-1H-pyrazol-5-amine
C11H13N3
Chemical Synthesis
3-Methyl-1-(3′-sulfoamidophenyl)-5-pyrazolone
C10H11N3O3S
Chemical Synthesis