6-FAM phosphoramidite [5'-Fluorescein phosphoramidite] *CAS 204697-37-0*
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Physical properties
Molecular weight | 843.94 |
Solvent | MeCN |
Spectral properties
Correction Factor (260 nm) | 0.32 |
Correction Factor (280 nm) | 0.178 |
Extinction coefficient (cm -1 M -1) | 83000 |
Excitation (nm) | 493 |
Emission (nm) | 517 |
Storage, safety and handling
H-phrase | H303, H313, H333 |
Hazard symbol | XN |
Intended use | Research Use Only (RUO) |
R-phrase | R20, R21, R22 |
Storage | Freeze (< -15 °C); Minimize light exposure |
UNSPSC | 12171501 |
Related products
Overview | SDSProtocol |
See also: Peptide and Oligonucleotide Labeling, Custom Oligonucleotide Labeling, Digital PCR, Fluoresceins, Polymerase Chain Reaction (PCR), Real-Time PCR (qPCR), Reverse Transcription PCR (RT-PCR), RNA Purification & Analysis, ROX Reference Dye for Real-Time PCR, PCR Detection of Viral DNA/RNA
CAS 204697-37-0 | Molecular weight 843.94 | Correction Factor (260 nm) 0.32 | Correction Factor (280 nm) 0.178 | Extinction coefficient (cm -1 M -1) 83000 | Excitation (nm) 493 | Emission (nm) 517 |
There are several ways of labeling an oligonucleotide with fluorescein. The choice of label is diversified further, depending on the spectral requirements. 5'-fluorescein-CE phosphoramidite, derived from the single isomer 6-carboxyfluorescein, 5'-hexachlorofluorescein-CE phosphoramidite (HEX) and 5'-tetrachlorofluorescein-CE phosphoramidite (TET) can all be used to efficiently label an oligonucleotide at the 5'-end. Labeling the 3'-end of an oligo with fluorescein can be achieved using 3'-Fluorescein CPGs. Standard cleavage and deprotection with ammonium hydroxide liberates the fluorescein-labeled oligo when using any of these supports.
Calculators
Common stock solution preparation
Table 1. Volume of MeCN needed to reconstitute specific mass of 6-FAM phosphoramidite [5'-Fluorescein phosphoramidite] *CAS 204697-37-0* to given concentration. Note that volume is only for preparing stock solution. Refer to sample experimental protocol for appropriate experimental/physiological buffers.
0.1 mg | 0.5 mg | 1 mg | 5 mg | 10 mg | |
1 mM | 118.492 µL | 592.459 µL | 1.185 mL | 5.925 mL | 11.849 mL |
5 mM | 23.698 µL | 118.492 µL | 236.984 µL | 1.185 mL | 2.37 mL |
10 mM | 11.849 µL | 59.246 µL | 118.492 µL | 592.459 µL | 1.185 mL |
Molarity calculator
Enter any two values (mass, volume, concentration) to calculate the third.
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Spectrum
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Spectral properties
Correction Factor (260 nm) | 0.32 |
Correction Factor (280 nm) | 0.178 |
Extinction coefficient (cm -1 M -1) | 83000 |
Excitation (nm) | 493 |
Emission (nm) | 517 |
Product Family
Name | Excitation (nm) | Emission (nm) | Extinction coefficient (cm -1 M -1) | Correction Factor (260 nm) | Correction Factor (280 nm) |
5(6)-FAM [5-(and-6)-Carboxyfluorescein] *CAS 72088-94-9* | 493 | 517 | 83000 | 0.32 | 0.178 |
6-FAM, SE [6-Carboxyfluorescein, succinimidyl ester] *CAS 92557-81-8* | 493 | 517 | 83000 | 0.32 | 0.178 |
6-FAM Azide | 493 | 517 | 83000 | 0.32 | 0.178 |
6-FAM Alkyne | 493 | 517 | 83000 | 0.32 | 0.178 |
6-Fluorescein phosphoramidite | 498 | 517 | 800001 | 0.32 | 0.35 |
6-TET phosphoramidite [5'-Tetrachlorofluorescein phosphoramidite] *CAS#: 877049-90-6* | 521 | 542 | 73000 | - | 0.13 |
6-HEX phosphoramidite [5'-Hexachlorofluorescein phosphoramidite] | 533 | 559 | 73000 | - | 0.15 |
6-JOE Phosphoramidite | 520 | 545 | 750001 | - | - |
FAM-xtra™ Phosphoramidite | 493 | 517 | 83000 | 0.32 | 0.178 |
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Images
References
View all 13 references: Citation Explorer
Sequence-specific, self-reporting hairpin inversion probes
Authors: Browne KA., undefined
Journal: J Am Chem Soc (2005): 1989
Authors: Browne KA., undefined
Journal: J Am Chem Soc (2005): 1989
Modified oligonucleotides containing lithocholic acid in their backbones: their enhanced cellular uptake and their mimicking of hairpin structures
Authors: Kim SJ, Bang EK, Kwon HJ, Shim JS, Kim BH.
Journal: Chembiochem (2004): 1517
Authors: Kim SJ, Bang EK, Kwon HJ, Shim JS, Kim BH.
Journal: Chembiochem (2004): 1517
Synthesis of HyBeacons and dual-labelled probes containing 2'-fluorescent groups for use in genetic analysis
Authors: Dobson N, McDowell DG, French DJ, Brown LJ, Mellor JM, Brown T.
Journal: Chem Commun (Camb) (2003): 1234
Authors: Dobson N, McDowell DG, French DJ, Brown LJ, Mellor JM, Brown T.
Journal: Chem Commun (Camb) (2003): 1234
Reduced aggregation and improved specificity of G-rich oligodeoxyribonucleotides containing pyrazolo[3,4-d]pyrimidine guanine bases
Authors: Kutyavin IV, Lokhov SG, Afonina IA, Dempcy R, Gall AA, Gorn VV, Lukhtanov E, Metcalf M, Mills A, Reed MW, S and ers S, Shishkina I, Vermeulen NM.
Journal: Nucleic Acids Res (2002): 4952
Authors: Kutyavin IV, Lokhov SG, Afonina IA, Dempcy R, Gall AA, Gorn VV, Lukhtanov E, Metcalf M, Mills A, Reed MW, S and ers S, Shishkina I, Vermeulen NM.
Journal: Nucleic Acids Res (2002): 4952
Diels--Alder bioconjugation of diene-modified oligonucleotides
Authors: Hill KW, Taunton-Rigby J, Carter JD, Kropp E, Vagle K, Pieken W, McGee DP, Husar GM, Leuck M, Anziano DJ, Sebesta DP.
Journal: J Org Chem (2001): 5352
Authors: Hill KW, Taunton-Rigby J, Carter JD, Kropp E, Vagle K, Pieken W, McGee DP, Husar GM, Leuck M, Anziano DJ, Sebesta DP.
Journal: J Org Chem (2001): 5352
Recovery of an oligonucleotide using silver ions immobilized onto paramagnetic particles
Authors: Ramirez-Vick JE, Garcia AA, Lee J.
Journal: Prep Biochem Biotechnol (1998): 243
Authors: Ramirez-Vick JE, Garcia AA, Lee J.
Journal: Prep Biochem Biotechnol (1998): 243
Simultaneous detection of several oligonucleotides by time-resolved fluorometry: the use of a mixture of categorized microparticles in a sandwich type mixed-phase hybridization assay
Authors: Hakala H, Virta P, Salo H, Lonnberg H.
Journal: Nucleic Acids Res (1998): 5581
Authors: Hakala H, Virta P, Salo H, Lonnberg H.
Journal: Nucleic Acids Res (1998): 5581
Synthesis and characterization of a new 5-thiol-protected deoxyuridine phosphoramidite for site-specific modification of DNA
Authors: Meyer KL, Hanna MM.
Journal: Bioconjug Chem (1996): 401
Authors: Meyer KL, Hanna MM.
Journal: Bioconjug Chem (1996): 401
Synthesis and characterisation of fluorescent oligonucleotides. Effect of internal labelling on protein recognition
Authors: Hagmar P, Bailey M, Tong G, Haralambidis J, Sawyer WH, Davidson BE.
Journal: Biochim Biophys Acta (1995): 259
Authors: Hagmar P, Bailey M, Tong G, Haralambidis J, Sawyer WH, Davidson BE.
Journal: Biochim Biophys Acta (1995): 259
Characterization of endonucleolytic activity of HIV-1 integrase using a fluorogenic substrate
Authors: Lee SP, Censullo ML, Kim HG, Knutson JR, Han MK.
Journal: Anal Biochem (1995): 295
Authors: Lee SP, Censullo ML, Kim HG, Knutson JR, Han MK.
Journal: Anal Biochem (1995): 295
Application notes
A Novel Fluorescent Probe for Imaging and Detecting Hydroxyl Radical in Living Cells
Fluorescent Oligonucleotide Labeling Reagents
Monitoring of Mitochondrial Membrane Potential Changes in Live Cells Using JC-10
Selective Analysis of RNA in Live and Fixed Cells with StrandBrite RNA Green
Cell Loading Protocol For Fluorescent pH Indicator, BCECF-AM
Fluorescent Oligonucleotide Labeling Reagents
Monitoring of Mitochondrial Membrane Potential Changes in Live Cells Using JC-10
Selective Analysis of RNA in Live and Fixed Cells with StrandBrite RNA Green
Cell Loading Protocol For Fluorescent pH Indicator, BCECF-AM
FAQ
I ordered your phalloidin-amine (Cat #5302) so I can conjugate it to my oligo. Do you have a recommended protocol I can use?
What dye works best for staining and tracking lysosomes in live cells for several hours?
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What dye works best for staining and tracking lysosomes in live cells for several hours?
How can I lyse my cells without lysing the nuclear membrane?
Do you have any dual-fluorescence nucleic acid stains that interact with both DNA and RNA?
Do you have any fixable mitochondria staining assay kits?