C16H17Cl2N5
350.2 g/mol
Research ReagentWarning
DAPI dihydrochloride
CAS28718-90-3EC249-186-7
Category
Research Reagent
Compound Class
Amine
Primary Use
Research Compound
DAPI (4',6-diamidino-2-phenylindole) dihydrochloride is a fluorescent dye that binds strongly to DNA. It is widely used in fluorescence microscopy and cell biology for staining cell nuclei.
Fluorescent DNA staining in microscopyCell nucleus visualization in biological researchFlow cytometry analysis of DNA content
Content scope: Information here supports chemical identification and industrial supply, research, and manufacturing contexts. It is not a therapeutic claim, medical advice, or drug-use instructions.
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Related Compounds
ReferenceSame Category
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CAS28741-08-4
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ReferenceSame Category
(R)-4,4,4-TRIFLUORO-3-HYDROXY-3-METHYLBUTAN-2-ONE
CAS2875067-31-3
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ReferenceSame Category
Octadecyl isothiocyanate
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Referencesame scaffold
2-(4-Fluorophenyl)-1H-indole
CAS782-17-2
research compound
Safety Reference
Warning
H315Causes skin irritation
H317May cause an allergic skin reaction
H335May cause respiratory irritation
Customs Tariff Classification
The international HS code for DAPI dihydrochloride (CAS 28718-90-3) is 2933.99.
HS code (international, 6-digit)
2933.99
EU CN code (8-digit)
2933 99 80
Classification per the EU customs inventory ECICS (2026-07 snapshot, HS 2022). National tariff lines and product form can affect the final classification.
Identifiers
IUPAC Name
2-(4-carbamimidoylphenyl)-1H-indole-6-carboximidamide;dihydrochloride
InChIKey
FPNZBYLXNYPRLR-UHFFFAOYSA-N
SMILES
C1=CC(=CC=C1C2=CC3=C(N2)C=C(C=C3)C(=N)N)C(=N)N.Cl.Cl
Synonyms (25)
- DAPI 2HCl
- DAPI dihydrochloride
- FxCycle Violet
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