FAM-xtra™ Phosphoramidite
Ordering information
Price | |
Catalog Number | |
Unit Size | |
Quantity |
Additional ordering information
Telephone | 1-800-990-8053 |
Fax | 1-800-609-2943 |
sales@aatbio.com | |
International | See distributors |
Bulk request | Inquire |
Custom size | Inquire |
Shipping | Standard overnight for United States, inquire for international |
Physical properties
Molecular weight | 879.94 |
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 |
Overview | SDSProtocol |
See also: Digital PCR, Polymerase Chain Reaction (PCR), Real-Time PCR (qPCR), Reverse Transcription PCR (RT-PCR), RNA Purification & Analysis, PCR Detection of Viral DNA/RNA
Molecular weight 879.94 | 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. 6-FAM phosphoramidite might be the most popular fluorescent building block that is widely used to efficiently label an oligonucleotide at the 5’-end with the fluorescein fluorophore. Standard cleavage and deprotection with ammonium hydroxide are used to liberate the fluorescein-labeled oligos. Although 6-FAM has be ubiquitously used for developing a variety of qPCR probes, its fluorescence suffers two serve limitations: a). highly pH dependent; and b). photo-bleach rapidly. FAM-xtra™ Phosphoramidite has been developed to address these two limitations while the well-beloved operational convenience of 6-FAM phosphoramidite is intactly maintained. FAM-xtra Phosphoramidite can be used exactly as is used for 6-FAM phosphoramidite under the same operation conditions without any changes needed. The oligos made from FAM-xtra Phosphoramidite have quite a few great benefits: a). FAM-xtra-labeled oligos have the identical spectra to those of 6-FAM labeled ones; b). FAM-xtra-labeled oligos are much brighter than the corresponding FAM-labeled ones; c). FAM-xtra-labeled oligos have much higher photostability than the corresponding FAM-labeled ones; and d). The fluorescence of FAM-xtra-labeled oligos is much less pH sensitive than that of the corresponding FAM-labeled ones. Under the physiological conditions, the fluorescence of FAM-xtra-labeled oligos is essentially pH-independent, making the FAM-xtra-labeled oligos much more robust qPCR probes.
Calculators
Common stock solution preparation
Table 1. Volume of MeCN needed to reconstitute specific mass of FAM-xtra™ Phosphoramidite 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 | 113.644 µL | 568.221 µL | 1.136 mL | 5.682 mL | 11.364 mL |
5 mM | 22.729 µL | 113.644 µL | 227.288 µL | 1.136 mL | 2.273 mL |
10 mM | 11.364 µL | 56.822 µL | 113.644 µL | 568.221 µL | 1.136 mL |
Molarity calculator
Enter any two values (mass, volume, concentration) to calculate the third.
Mass (Calculate) | Molecular weight | Volume (Calculate) | Concentration (Calculate) | Moles | ||||
/ | = | x | = |
Spectrum
Open in Advanced Spectrum Viewer
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) |
FAM-xtra CPG *500A* | 493 | 517 | 83000 | 0.32 | 0.178 |
FAM-xtra CPG *1000A* | 493 | 517 | 83000 | 0.32 | 0.178 |
6-FAM phosphoramidite [5'-Fluorescein phosphoramidite] *CAS 204697-37-0* | 493 | 517 | 83000 | 0.32 | 0.178 |
References
View all 8 references: Citation Explorer
Development of an Innovative Intradermal siRNA Delivery System Using a Combination of a Functional Stearylated Cytoplasm-Responsive Peptide and a Tight Junction-Opening Peptide.
Authors: Ibaraki, Hisako and Kanazawa, Takanori and Takashima, Yuuki and Okada, Hiroaki and Seta, Yasuo
Journal: Molecules (Basel, Switzerland) (2016)
Authors: Ibaraki, Hisako and Kanazawa, Takanori and Takashima, Yuuki and Okada, Hiroaki and Seta, Yasuo
Journal: Molecules (Basel, Switzerland) (2016)
Non-nucleoside phosphoramidites of xanthene dyes (FAM, JOE, and TAMRA) for oligonucleotide labeling.
Authors: Kvach, Maksim V and Tsybulsky, Dmitry A and Shmanai, Vadim V and Prokhorenko, Igor A and Stepanova, Irina A and Korshun, Vladimir A
Journal: Current protocols in nucleic acid chemistry (2013): Unit 4.55
Authors: Kvach, Maksim V and Tsybulsky, Dmitry A and Shmanai, Vadim V and Prokhorenko, Igor A and Stepanova, Irina A and Korshun, Vladimir A
Journal: Current protocols in nucleic acid chemistry (2013): Unit 4.55
Practical synthesis of isomerically pure 5- and 6-carboxytetramethylrhodamines, useful dyes for DNA probes.
Authors: Kvach, Maksim V and Stepanova, Irina A and Prokhorenko, Igor A and Stupak, Aleksander P and Bolibrukh, Dmitry A and Korshun, Vladimir A and Shmanai, Vadim V
Journal: Bioconjugate chemistry (2009): 1673-82
Authors: Kvach, Maksim V and Stepanova, Irina A and Prokhorenko, Igor A and Stupak, Aleksander P and Bolibrukh, Dmitry A and Korshun, Vladimir A and Shmanai, Vadim V
Journal: Bioconjugate chemistry (2009): 1673-82
Synthesis and cellular uptake of fluorescently labeled multivalent hyaluronan disaccharide conjugates of oligonucleotide phosphorothioates.
Authors: Karskela, Marika and Virta, Pasi and Malinen, Melina and Urtti, Arto and Lönnberg, Harri
Journal: Bioconjugate chemistry (2008): 2549-58
Authors: Karskela, Marika and Virta, Pasi and Malinen, Melina and Urtti, Arto and Lönnberg, Harri
Journal: Bioconjugate chemistry (2008): 2549-58
Synthesis of HyBeacons and dual-labelled probes containing 2'-fluorescent groups for use in genetic analysis.
Authors: Dobson, Neil and McDowell, David G and French, David J and Brown, Lynda J and Mellor, John M and Brown, Tom
Journal: Chemical communications (Cambridge, England) (2003): 1234-5
Authors: Dobson, Neil and McDowell, David G and French, David J and Brown, Lynda J and Mellor, John M and Brown, Tom
Journal: Chemical communications (Cambridge, England) (2003): 1234-5
Amplified fragment length polymorphism (AFLP) protocol for genotyping the malarial parasite Plasmodium falciparum.
Authors: Rubio, J M and Berzosa, P J and Benito, A
Journal: Parasitology (2001): 331-6
Authors: Rubio, J M and Berzosa, P J and Benito, A
Journal: Parasitology (2001): 331-6
Recovery of an oligonucleotide using silver ions immobilized onto paramagnetic particles.
Authors: Ramírez-Vick, J E and García, A A and Lee, J
Journal: Preparative biochemistry & biotechnology (1998): 243-60
Authors: Ramírez-Vick, J E and García, A A and Lee, J
Journal: Preparative biochemistry & biotechnology (1998): 243-60
Fluorescent dye phosphoramidite labelling of oligonucleotides.
Authors: Theisen, P and McCollum, C and Andrus, A
Journal: Nucleic acids symposium series (1992): 99-100
Authors: Theisen, P and McCollum, C and Andrus, A
Journal: Nucleic acids symposium series (1992): 99-100
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?
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?
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?