Amidite Catalog
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5'-Amino Modifiers - (Amino Linker Amidites)

Formula | C59H90N7O13P |
F.W. | 1136.36 |
Description | white amorphous powder |
31P-NMR | sharp single peak at 144.77 ppm (d6-DMSO) |
Packing conditions | under argon |
Recommended coupling conditions | 0.1 M acetonitrile solution, 5 min |
ORDERING INFO
Item | Cat. No | Pack | Price |
Arm34-Ach Amino Linker | AL34Ach-05 | 0.5 g | $710 |
AL34Ach-02 | 0.25 g | $500 |

Formula | C63H92N9O16P |
F.W. | 1262.43 |
Description | white amorphous powder |
31P-NMR | two peaks at 147.12 and 147.10 ppm (d6-DMSO) |
Packing conditions | under argon |
Recommended coupling conditions | 0.1 M acetonitrile solution, 5 min |
Item | Cat. No | Pack | Price |
Arm34-T Amino Linker | AL34AT-02 | 0.25 g | $750 |
AL34AT-05 | 0.5 g | $1200 |

Formula | C51H70N7O11P |
F.W. | 988.12 |
Description | white amorphous powder |
31P-NMR | two peaks at 147.12 and 147.10 ppm (d6-DMSO) |
Packing conditions | under argon |
Recommended coupling conditions | 0.1 M acetonitrile solution, 5 min |
Item | Cat. No | Pack | Price |
21AT Amino Linker | AL21AT-05 | 0.5 g | $600 |
AL21AT-02 | 0.25 g | $995 |

Formula | C50H70N5O9P |
F.W. | 916.09 |
Description | white amorphous powder |
31P-NMR | sharp single peak at 145.1 ppm |
Packing conditions | under argon |
Recommended coupling conditions | 0.1 M acetonitrile solution, 5 min |
MMT group removal | 3% TCA in CH2Cl2 (Deblock Solution), 5 min |
Item | Cat. No | Pack | Price |
21A tada Amino Linker | AL21Atada-05 | 0.5 g | $300 |
AL21Atada-02 | 0.25 g | $510 |

Formula | C47H68N5O8P |
F.W. | 862.05 |
Description | colorless oil |
31P-NMR | sharp single peak at 145.6 ppm |
Packing conditions | under argon |
Recommended coupling conditions | 0.1 M acetonitrile solution, 5 min |
Item | Cat. No | Pack | Price |
21A Amino Linker | AL21A-05 | 0.5 g | $510 |
AL21A-02 | 0.25 g | $300 |

Formula | C43H60N5O5P |
F.W. | 757.94 |
Description | white amorphous powder |
31P-NMR | sharp single peak at 145.9 ppm (d6-DMSO) |
Packing conditions | under argon |
Recommended coupling conditions | 0.1 M acetonitrile solution, 5 min |
Item | Cat. No | Pack | Price |
14A Amino Linker | AL14A-05 | 0.5 g | $340 |
AL14A-02 | 0.25 g | $200 |

Formula | C39H52N5O5P |
F.W. | 701.8 |
Description | white amorphous powder |
31P-NMR | sharp single peak at 145.1 ppm (d6-DMSO) |
Packing conditions | under argon |
Recommended coupling conditions | 0.1 M acetonitrile solution, 5 min |
Item | Cat. No | Pack | Price |
10A Amino Linker | AL10A-05 | 0.5 g | $180 |
AL10A-02 | 0.25 g | $310 |
Spacer Amidites

Formula | C54H79N6O13P |
F.W. | 1051.21 |
Description | white amorphous powder |
31P-NMR | sharp single peak at 144.74 ppm (d6-DMSO) |
Packing conditions | under argon |
Recommended coupling conditions | 0.1 M acetonitrile solution, 5 min |
Item | Cat. No | Pack | Price |
Arm26-Ach Spacer | SP26Ach-05 | 0.5 g | $680 |
SP26Ach-02 | 0.25 g | $400 |

Formula | C58H81N8O16P |
F.W. | 1177.28 |
Description | white amorphous powder |
31P-NMR | two peaks at 147.12 and 147.04 ppm (d6-DMSO) |
Packing conditions | under argon |
Recommended coupling conditions | 0.1 M acetonitrile solution, 5 min |
Item | Cat. No | Pack | Price |
Arm26-T Spacer | SP26T-05 | 0.5 g | $1250 |
SP26T-02 | 0.25 g | $650 |

Formula | C44H61N4O7P |
F.W. | 788.9 |
Description | white amorphous powder |
31P-NMR | sharp single peak at 147.1 ppm (d6-DMSO) |
Packing conditions | under argon |
Recommended coupling conditions | 0.1 M acetonitrile solution, 5 min |
Item | Cat. No | Pack | Price |
15A Spacer | SP15A-05 | 0.5 g | $340 |
SP15A-02 | 0.25 g | $200 |

Formula | C42H57N4O8P |
F.W. | 776.9 |
Description | white amorphous powder |
31P-NMR | sharp single peak at 145.9 ppm (d6-DMSO) |
Packing conditions | under argon |
Recommended coupling conditions | 0.1 M acetonitrile solution, 5 min |
Item | Cat. No | Pack | Price |
14A Spacer | SP14A-05 | 0.5 g | $340 |
SP14A-02 | 0.25 g | $200 |
Cleavable Spacer Amidites

Formula | C52H71N6O14P |
F.W. | 1035.1 |
Description | white amorphous powder |
31P-NMR | sharp single peak at 145.06 ppm (d6-DMSO) |
Packing conditions | under argon |
Recommended coupling conditions | 0.1 M acetonitrile solution, 5 min |
Item | Cat. No | Pack | Price |
Diol 22A Spacer | SPdiol22A-05 | 0.5 g | $950 |
SPdiol22A-02 | 0.25 g | $600 |
Biotin Amidites

Formula | C72H110N9O16PS |
F.W. | 1392.68 |
Description | white amorphous powder |
31P-NMR | sharp single peak at 144.75 ppm (d6-DMSO) |
Packing conditions | under argon |
Recommended coupling conditions | 0.1 M acetonitrile solution, 5 min with tetrazole or 5-ethylthio-1H-tetrazole |
Item | Cat. No | Pack | Price |
DMT-Biotin-Arm34-Ach | Bt34Ach-05 | 0.5 g | $950 |
Bt34Ach-02 | 0.25 g | $600 |

Formula | C63H88N9O15PS |
F.W. | 1274.46 |
Description | white amorphous powder |
31P-NMR | two peaks at 148.78 and 146.92 ppm (d6-DMSO) |
Packing conditions | under argon |
Recommended coupling conditions | 0.1 M acetonitrile solution, 10 min with 5-ethylthio-1H-tetrazole |
Item | Cat. No | Pack | Price |
5′-DMT-2′-Biotin-Arm19-2′-dU | Bt19AU-05 | 0.5 g | $1500 |
Bt19AU-02 | 0.25 g | $950 |

Formula | C60H88N7O11PS |
F.W. | 1118.37 |
Description | white amorphous powder |
31P-NMR | sharp single peak at 144.75 ppm (d6-DMSO) |
Packing conditions | under argon |
Recommended coupling conditions | 0.1 M acetonitrile solution, 5 min |
Item | Cat. No | Pack | Price |
DMT-Biotin-Arm17-Ach | Bt17Ach-05 | 0.5 g | $950 |
Bt17Ach-02 | 0.25 g | $600 |

Formula | C64H90N9O14PS |
F.W. | 1272.49 |
Description | white amorphous powder |
31P-NMR | two peaks at 147.28 and 147.25 ppm (d6-DMSO) |
Packing conditions | under argon |
Recommended coupling conditions | 0.1 M acetonitrile solution, 5 min |
Item | Cat. No | Pack | Price |
DMT-Biotin-Arm17-T | Bt17AT-05 | 0.5 g | $1200 |
Bt17AT-02 | 0.25 g | $750 |

Formula | C45H62N5O7PS |
F.W. | 848.04 |
Description | white amorphous powder |
Packing conditions | under argon |
Recommended coupling conditions | 0.1 M acetonitrile solution, 5 min |
Item | Cat. No | Pack | Price |
Biotin-Amino-propanediol-DMT | BtApdDMT-05 | 0.5 g | $700 |
BtApdDMT-02 | 0.25 g | $400 |
5'-Thiol Amidites

Formula | C48H67N6O10PS2 |
F.W. | 983.2 |
Description | white amorphous powder |
31P-NMR | sharp single peak at 146.02 ppm (d6-DMSO) |
Packing conditions | under argon |
Recommended coupling conditions | 0.1 M tetrahydrofuran solution, 5 min |
Item | Cat. No | Pack | Price |
SS24A 5′ Thiol | SPSS24A-05 | 0.5 g | 1450 |
SPSS24A-02 | 0.25 g | 900 |

Formula | C41H56N5O5PS2 |
F.W. | 794.02 |
Description | white amorphous powder |
31P-NMR | sharp single peak at 147.4 ppm (d6-DMSO) |
Packing conditions | under argon |
Recommended coupling conditions | 0.1 M tetrahydrofuran solution, 5 min |
Item | Cat. No | Pack | Price |
ALSS14A 5′-Thiol | ALSS14A-05 | 0.5 g | $1250 |
ALSS14A-02 | 0.25 g | $800 |
Branching Unit Amidites

Formula | C73H92N9O14P |
F.W. | 1350.54 |
Description | white amorphous powder |
31P-NMR | sharp single peak at 143.3 ppm (CDCl3) |
Packing conditions | under argon |
Recommended coupling conditions | 0.1 M acetonitrile solution, 5 min |
Item | Cat. No | Pack | Price |
Branching Unit 11 | BU11-05 | 0.5 g | $675 |
BU11-02 | 0.25 g | $395 |
Terminus (5'-End) MOX Modifier Amidites

Formula | C18H32N3O5P |
F.W. | 401.44 |
Description | white amorphous powder |
31P-NMR | sharp single peak at 143.3 ppm (CDCl3) |
Packing conditions | under argon |
Recommended coupling conditions | 0.1 M acetonitrile solution, 3 min |
Item | Cat. No | Pack | Price |
MOX ACH | MACH1-05 | 0.5 g | $450 |
MACH1-02 | 0.25 g | $250 |

Formula | C22H34N5O8P |
F.W. | 527.51 |
Description | white amorphous powder |
31P-NMR | sharp single peak at 144.6 ppm (CDCl3) |
Packing conditions | under argon |
Recommended coupling conditions | 0.1 M acetonitrile solution, 3 min |
Item | Cat. No | Pack | Price |
MOX T | MOXT2-05 | 0.5 g | $995 |
MOXT2-02 | 0.25 g | $550 |

Formula | C29H50N7O10P |
F.W. | 687.72 |
Description | colorless oil |
31P-NMR | sharp single peak at 143.3 ppm (CDCl3) |
Packing conditions | under argon |
Recommended coupling conditions | 0.1 M acetonitrile solution, 3 min |
Item | Cat. No | Pack | Price |
Dual MOX ACH | MACH3-05 | 0.5 g | $950 |
MACH3-02 | 0.25 g | $500 |

Formula | C33H52N9O13P |
F.W. | 813.79 |
Description | white amorphous powder |
31P-NMR | two peaks at 145.0 and 144.6 ppm (CDCl3) |
Packing conditions | under argon |
Recommended coupling conditions | 0.1 M acetonitrile solution, 5 min |
Item | Cat. No | Pack | Price |
Dual MOX T | 2MOXT4-05 | 0.5 g | $1400 |
2MOXT4-02 | 0.25 g | $750 |

Formula | C55H88N17O23P |
F.W. | 1386.36 |
Description | white amorphous powder |
31P-NMR | two peaks at 149.8 and 149.3 ppm (CDCl3) |
Packing conditions | under argon |
Recommended coupling conditions | 0.2 M acetonitrile solution, 15 min |
Item | Cat. No | Pack | Price |
Quad MOX T | 4MOXT5-05 | 0.5 g | $1885 |
4MOXT5-02 | 0.25 g | $995 |
2'-MOX Precursor Amidites

Formula | C42H50N5O11P |
F.W. | 831.85 |
Description | white amorphous powder |
Packing conditions | under argon |
Recommended coupling conditions | 0.1 M acetonitrile solution, 15 min with 5-ethylthio-1H-tetrazole |
Item | Cat. No | Pack | Price |
2′-MOX-2′-dU | MU-05 | 0.5 g | $900 |
MU-02 | 0.25 g | $500 |
2'-SUC Precursor Amidites

Formula | C43H50N5O10P |
F.W. | 827.86 |
Description | white amorphous powder |
Packing conditions | under argon |
Recommended coupling conditions | 0.1 M acetonitrile solution, 15 min with 5-ethylthio-1H-tetrazole |
Item | Cat. No | Pack | Price |
2′-SUC-2′-dU | SU-05 | 0.5 g | $995 |
SU-02 | 0.25 g | $550 |

Formula | C45H53N6O10P |
F.W. | 868.91 |
Description | white amorphous powder |
31P-NMR | two peaks at 150.22 ppm and 153.01 ppm (d6-DMSO) |
Packing conditions | under argon |
Recommended coupling conditions | 0.1 M acetonitrile solution, 15 min with 5-ethylthio-1H-tetrazole |
Item | Cat. No | Pack | Price |
2′-SUC-2′-dCAc | SC-05 | 0.5 g | $1395 |
SC-02 | 0.25 g | $750 |
Address
Fidelity Oligos LLC
7965 Cessna Ave
Gaithersburg, MD 20879
Support@fidelityoligos.com
Telephone/Fax
Phone: 301-527-0804
Fax: 301-527-8250