Fluorescence Dye

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  1. ZnAF-2 DA
    CAS: 357339-96-9 EC Number: 635-222-2 PubChem CID: 16760714 Formula: C38H32N4O7 Molecular Weight: 656.7
    ● In Stock — US Item #: Z275826
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    Technical Identifiers
    IUPAC Name
    [6'-acetyloxy-6-[2-[bis(pyridin-2-ylmethyl)amino]ethylamino]-3-oxospiro[2-benzofuran-1,9'-xanthene]-3'-yl] acetate
    SMILES
    CC(=O)OC1=CC2=C(C=C1)C3(C4=C(O2)C=C(C=C4)OC(=O)C)C5=C(C=CC(=C5)NCCN(CC6=CC=CC=N6)CC7=CC=CC=N7)C(=O)O3
    InChIKey
    QRHJESKPYRPLIW-UHFFFAOYSA-N
    InChI
    1S/C38H32N4O7/c1-24(43)46-29-10-13-32-35(20-29)48-36-21-30(47-25(2)44)11-14-33(36)38(32)34-19-26(9-12-31(34)37(45)49-38)41-17-18-42(22-27-7-3-5-15-39-show more
    Synonyms
    MFCD08702725 | [6'-acetyloxy-6-[2-[bis(pyridin-2-ylmethyl)amino]ethylamino]-3-oxospiro[2-benzofuran-1,9'-xanthene]-3'...
  2. BD140 [for Albumin binding assay]
    CAS: 1201643-08-4 EC Number: 811-822-1 Formula: C21H21BF2N2O Molecular Weight: 366.22
    ● In Stock — US Item #: B152204
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    IUPAC Name
    2,2-difluoro-6-methyl-4-[(E)-2-(4-propoxyphenyl)ethenyl]-3-aza-1-azonia-2-boranuidatricyclo[7.3.0.03,7]dodeca-1(12),4,6,8,10-pentaene
    SMILES
    [B-]1(N2C(=CC(=C2C=C3[N+]1=CC=C3)C)C=CC4=CC=C(C=C4)OCCC)(F)F
    InChIKey
    NDQRWYKJLFZGBK-RMKNXTFCSA-N
    InChI
    1S/C21H21BF2N2O/c1-3-13-27-20-10-7-17(8-11-20)6-9-19-14-16(2)21-15-18-5-4-12-25(18)22(23,24)26(19)21/h4-12,14-15H,3,13H2,1-2H3/b9-6+
    Synonyms
    4,4-Difluoro-1-methyl-3-(4-propoxystyryl)-4-bora-3a,4a-diaza-s-indacene | BYB64308 | E79001 | 2,2-difluoro-6-methyl-4...
  3. 4-(2-Aminoethylamino)-7-(N,N-dimethylsulfamoyl)benzofurazan
    CAS: 189373-41-9 Formula: C10H15N5O3S Molecular Weight: 285.32
    ◐ .Made to order · 8–12 wks Item #: A333638
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    IUPAC Name
    7-(2-aminoethylamino)-N,N-dimethyl-2,1,3-benzoxadiazole-4-sulfonamide
    SMILES
    CN(C)S(=O)(=O)C1=CC=C(C2=NON=C12)NCCN
    InChIKey
    RDMBHRPODMXKHT-UHFFFAOYSA-N
    InChI
    1S/C10H15N5O3S/c1-15(2)19(16,17)8-4-3-7(12-6-5-11)9-10(8)14-18-13-9/h3-4,12H,5-6,11H2,1-2H3
    Synonyms
    7-(2-aminoethylamino)-N,N-dimethyl-2,1,3-benzoxadiazole-4-sulfonamide | DBD-ED | 7-(2-Aminoethylamino)-N,N-dimethyl-4...
  4. 5-Carboxyfluorescein diacetate(5-CFDA)
    CAS: 79955-27-4 EC Number: 635-966-8 Formula: C25H16O9 Molecular Weight: 460.39
    Solid ≥95%
    ● In Stock — US Item #: C114919
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    Technical Identifiers
    IUPAC Name
    3',6'-diacetyloxy-3-oxospiro[2-benzofuran-1,9'-xanthene]-5-carboxylic acid
    SMILES
    CC(=O)OC1=CC2=C(C=C1)C3(C4=C(C=C(C=C4)C(=O)O)C(=O)O3)C5=C(O2)C=C(C=C5)OC(=O)C
    InChIKey
    WPUZGNPQMIWOHE-UHFFFAOYSA-N
    InChI
    1S/C25H16O9/c1-12(26)31-15-4-7-19-21(10-15)33-22-11-16(32-13(2)27)5-8-20(22)25(19)18-6-3-14(23(28)29)9-17(18)24(30)34-25/h3-11H,1-2H3,(H,28,29)
    Synonyms
    5-CFDA | HY-D0047 | PD063611 | Cfda-5 | C2859 | 3',6'-Bis(acetyloxy)-3-oxospiro(isobenzofuran-1(3H),9'-(9H)xanthene)-...
  5. 5-Carboxyfluorescein N-succinimidyl ester
    CAS: 92557-80-7 EC Number: 691-350-9 Formula: C25H15NO9 Molecular Weight: 473.39
    Solid ≥90%
    ● In Stock — US Item #: C107881
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    Technical Identifiers
    IUPAC Name
    (2,5-dioxopyrrolidin-1-yl) 3',6'-dihydroxy-3-oxospiro[2-benzofuran-1,9'-xanthene]-5-carboxylate
    SMILES
    C1CC(=O)N(C1=O)OC(=O)C2=CC3=C(C=C2)C4(C5=C(C=C(C=C5)O)OC6=C4C=CC(=C6)O)OC3=O
    InChIKey
    GECIDMICWWDIBO-UHFFFAOYSA-N
    InChI
    1S/C25H15NO9/c27-13-2-5-17-19(10-13)33-20-11-14(28)3-6-18(20)25(17)16-4-1-12(9-15(16)24(32)34-25)23(31)35-26-21(29)7-8-22(26)30/h1-6,9-11,27-28H,7-8H2
    Synonyms
    5-carboxyfluorescein succinimidyl ester | 5-Carboxyfluorescein N-Succinimidyl Este | 5-Carboxyfluorescein-N-hydroxysu...
  6. 5-ROX [5-Carboxy-X-rhodamine]
    CAS: 216699-35-3 EC Number: 683-410-8 PubChem CID: 4097103 Formula: C33H30N2O5 Molecular Weight: 534.602
    Solid ≥95%
    ◐ .Made to order · 8–12 wks Item #: R131183
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    Technical Identifiers
    IUPAC Name
    3-carboxy-4-(3-oxa-23-aza-9-azoniaheptacyclo[17.7.1.15,9.02,17.04,15.023,27.013,28]octacosa-1(27),2(17),4,9(28),13,15,18-heptaen-16-yl)benzoate
    SMILES
    C1CC2=CC3=C(C4=C2N(C1)CCC4)OC5=C6CCC[N+]7=C6C(=CC5=C3C8=C(C=C(C=C8)C(=O)[O-])C(=O)O)CCC7
    InChIKey
    UNGMOMJDNDFGJG-UHFFFAOYSA-N
    InChI
    1S/C33H30N2O5/c36-32(37)20-9-10-21(24(17-20)33(38)39)27-25-15-18-5-1-11-34-13-3-7-22(28(18)34)30(25)40-31-23-8-4-14-35-12-2-6-19(29(23)35)16-26(27)31/show more
    Synonyms
    5-CXR | 5-Carboxy-X-rhodamine triethylamin salt | PD063557 | AKOS032953770 | 5-carboxy-X-rhodamine | 3-carboxy-4-(3-o...
  7. Astrazon Brilliant Red 4G
    CAS: 12217-48-0 Formula: C23H26ClN3 Molecular Weight: 379.9
    AR ? Analytical Reagent grade — high-purity chemicals meeting strict assay limits for lab analysis. Use when accuracy matters and trace impurities could skew results.
    ● In Stock — US Item #: A302650
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    Technical Identifiers
    IUPAC Name
    3-[N-methyl-4-[(E)-2-(1,3,3-trimethylindol-1-ium-2-yl)ethenyl]anilino]propanenitrile;chloride
    SMILES
    CC1(C2=CC=CC=C2[N+](=C1C=CC3=CC=C(C=C3)N(C)CCC#N)C)C.[Cl-]
    InChIKey
    NJIRSTSECXKPCO-UHFFFAOYSA-M
    InChI
    1S/C23H26N3.ClH/c1-23(2)20-8-5-6-9-21(20)26(4)22(23)15-12-18-10-13-19(14-11-18)25(3)17-7-16-24;/h5-6,8-15H,7,17H2,1-4H3;1H/q+1;/p-1
    Synonyms
    2-(2-(4-((2-Cyanoethyl)methylamino)phenyl)vinyl)-1,3,3-trimethyl-3H-indolium chloride | Basic Red 14 | 3-[N-methyl-4-...
  8. 6,7-Methylenedioxy-4-methyl-3-maleimidocoumarin [for HPLC Labeling]
    CAS: 97744-90-6 Formula: C15H9NO6 Molecular Weight: 299.24
    ◐ .Made to order · 8–12 wks Item #: M158666
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    IUPAC Name
    1-(8-methyl-6-oxo-[1,3]dioxolo[4,5-g]chromen-7-yl)pyrrole-2,5-dione
    SMILES
    CC1=C(C(=O)OC2=CC3=C(C=C12)OCO3)N4C(=O)C=CC4=O
    InChIKey
    NSFINZUKLACTRX-UHFFFAOYSA-N
    InChI
    1S/C15H9NO6/c1-7-8-4-10-11(21-6-20-10)5-9(8)22-15(19)14(7)16-12(17)2-3-13(16)18/h2-5H,6H2,1H3
    Synonyms
    M0881 | 6,7-Methylenedioxy-4-methyl-3-maleimidocoumarin | 1-(8-Methyl-6-oxo-2H,6H-[1,3]dioxolo[4,5-g][1]benzopyran-7-...
  9. 6-(4-Acetamido-1,8-naphthalamido)hexanoic acid
    CAS: 172227-59-7 Formula: C20H20N2O5 Molecular Weight: 368.38
    Solid BioReagent ? BioReagent grade — tested suitable for life-science and molecular-biology use. Use for cell culture, assays, and biochemical work needing biological compatibility. Biological Stain ? Biological stain grade — dyes characterized for staining cells and tissues. Use in histology and microscopy where staining consistency matters. for Fluorescence analysis ? Fluorescence-analysis grade — very low fluorescent impurities for clean spectra. Use in fluorescence assays where background interferes. for Microscopy ? Microscopy grade — reagents/stains suited to sample prep and imaging. Use in microscopy where clarity and low background are needed. ≥95%(HPCE)
    ◐ .US Made to order · 2–4 wks Item #: A121500
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    Technical Identifiers
    IUPAC Name
    6-(6-acetamido-1,3-dioxobenzo[de]isoquinolin-2-yl)hexanoic acid
    SMILES
    CC(=O)NC1=C2C=CC=C3C2=C(C=C1)C(=O)N(C3=O)CCCCCC(=O)O
    InChIKey
    RCZAYEHQRFPFSH-UHFFFAOYSA-N
    InChI
    1S/C20H20N2O5/c1-12(23)21-16-10-9-15-18-13(16)6-5-7-14(18)19(26)22(20(15)27)11-4-2-3-8-17(24)25/h5-7,9-10H,2-4,8,11H2,1H3,(H,21,23)(H,24,25)
    Synonyms
    DTXSID60408987 | MFCD04040049 | J-100013 | 6-(6-acetamido-1,3-dioxobenzo[de]isoquinolin-2-yl)hexanoic acid | 6-(4-ace...
  10. Cesium Green
    CAS: 1611477-45-2 PubChem CID: 124523977 Formula: C32H33NO8 Molecular Weight: 559.62
    ◐ .Made to order · 8–12 wks Item #: C153766
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    Technical Identifiers
    IUPAC Name
    4-[4-[4-[2-[2-[2-[2-(4-nitrophenoxy)ethoxy]ethoxy]ethoxy]ethoxy]phenyl]phenyl]phenol
    SMILES
    C1=CC(=CC=C1C2=CC=C(C=C2)O)C3=CC=C(C=C3)OCCOCCOCCOCCOC4=CC=C(C=C4)[N+](=O)[O-]
    InChIKey
    HCDBZEWQACQBAN-UHFFFAOYSA-N
    InChI
    1S/C32H33NO8/c34-30-11-5-27(6-12-30)25-1-3-26(4-2-25)28-7-13-31(14-8-28)40-23-21-38-19-17-37-18-20-39-22-24-41-32-15-9-29(10-16-32)33(35)36/h1-16,34H,show more
    Synonyms
    ["4''-[2-[2-[2-[2-(4-Nitrophenoxy)ethoxy]ethoxy]ethoxy]ethoxy]-[1,1':4',1''-terphenyl]-4-ol"]
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R&D Use Only Products supplied for research and development use

Frequently Asked Questions

How do I choose the right Fluorescence Dye product for my experiment?
Match the Fluorescence Dye product to the application first — Western blot, ELISA, cell-based assay, and structural work make different demands. Then check species reactivity or source organism, format (lyophilised or solution), and whether you need an activity-verified lot.
How does Fluorescence Dye fit into my workflow?
Fluorescence Dye sits under Diagnostics & Molecular Testing and covers a single step or reagent class. Check the datasheet for the validated applications before substituting it into an established protocol.
What specifications matter most for Fluorescence Dye?
For Fluorescence Dye, check purity by SDS-PAGE or HPLC, endotoxin level for cell-based work, specific activity, tag and expression system, and the reconstitution and storage conditions. Repeated freeze-thaw is the commonest cause of lost activity. All products are supplied for professional research and development use only, and are not for use in humans, animals, diagnostics, or therapy.
Can I search Fluorescence Dye by target, species, or application?
Yes — filter Fluorescence Dye by application, species reactivity or source, and format, and search by gene or protein name. For items not listed, contact [email protected]. We supply verified businesses, research institutions, universities, and government agencies.

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