OROGO PRODUCT CATEGORY
Other Phosphoramidites
Quick view. Specialty phosphoramidites for noncanonical bases, labels, conjugation handles and backbone modifications. This category currently includes 84 products. Other Phosphoramidites products provide protected, sequence-addressable building blocks for solid-phase oligonucleotide synthesis and modified-sequence research.
Category guide
Other Phosphoramidites products provide protected, sequence-addressable building blocks for solid-phase oligonucleotide synthesis and modified-sequence research.
Confirm base and sugar identity, protecting groups, stereochemistry, linker or label position, and compatibility with coupling and deprotection conditions.
Review identity, chromatographic purity, phosphorus-related quality attributes, water sensitivity and performance in a short test sequence.
Product-family considerations
- Phosphoramidite chemistry is modular, automated and compatible with fast sequence iteration.
- Modified sugar, base or linker motifs let researchers tune duplex stability, specificity, hydrophobicity, steric profile and downstream conjugation options.
- Modified amidites can require adjusted coupling time, activator choice, deprotection conditions and analytical release methods.
- Moisture sensitivity and storage history are important because degraded amidite can reduce coupling efficiency.
Category literature
These publications provide background for the Other Phosphoramidites product family. Individual product pages only show additional product- or feature-relevant references.
Selection checklist
| Exact identity | Match the canonical name with a CAS number, structure, SMILES or drawing; confirm stereochemistry, protecting groups and salt form where applicable. |
|---|---|
| Specification | Define target purity, analytical method, water or residual-solvent concerns and any application-specific acceptance limits. |
| Workflow fit | Share the reaction, enzyme, sequence, solvent system, support or analytical method used to evaluate compatibility. |
| Supply need | Provide initial quantity, expected future scale, packaging preference, timeline and documentation requirements. |
Product comparison
This snapshot compares up to eight products in the current catalog order. It uses published catalog fields only; confirm the exact form, pack size, specification and current availability by inquiry.
Swipe or scroll horizontally to compare all fields.
| Product name | OR catalog no. | CAS | Purity / specification | Supply status |
|---|---|---|---|---|
| 5'-DMT Amino-Modifier C6 Phosphoramidite | OR-OP-0006 | 116919-15-4 | By inquiry | Inquiry only |
| 5'-DMTr-T-Methyl phosphonamidite | OR-OP-0079 | 114079-04-8 | By inquiry | Inquiry only |
| 2'-Deoxy-2'-(N-trifluoroacetyl)amino-5'-O-DMTr-uridine 3'-CED phosphoramidite | OR-OP-0158 | 126139-44-4 | By inquiry | Inquiry only |
| DMTr-dH2U-amidite | OR-OP-0084 | 151503-28-5 | By inquiry | Inquiry only |
| 2'-O-PivOM-U-3'-CE-Phosphoramidite | OR-OP-0076 | 1097131-15-1 | By inquiry | Inquiry only |
| 2'-O-PivOM-C(Ac)-3'-CE-Phosphoramidite | OR-OP-0077 | 1097131-18-4 | By inquiry | Inquiry only |
| 2'-O-PivOM-A(Pac)-3'-CE-Phosphoramidite | OR-OP-0078 | 1097131-21-9 | By inquiry | Inquiry only |
| [1-N-(4,4'-Dimethoxytrityl)-biotinyl-6-aminohexyl]-2-cyanoethyl-(N,N-diisopropyl)-phosphoramidite | OR-OP-0137 | 135137-87-0 | By inquiry | Inquiry only |
84 products
5'-DMT Amino-Modifier C6 PhosphoramiditeBy inquiry · CAS: 116919-15-4
OR-OP-0006
5'-DMTr-T-Methyl phosphonamiditeBy inquiry · CAS: 114079-04-8
OR-OP-0079
2'-Deoxy-2'-(N-trifluoroacetyl)amino-5'-O-DMTr-uridine 3'-CED phosphoramiditeBy inquiry · CAS: 126139-44-4
OR-OP-0158
DMTr-dH2U-amiditeBy inquiry · CAS: 151503-28-5
OR-OP-0084
2'-O-PivOM-U-3'-CE-PhosphoramiditeBy inquiry · CAS: 1097131-15-1
OR-OP-0076
2'-O-PivOM-C(Ac)-3'-CE-PhosphoramiditeBy inquiry · CAS: 1097131-18-4
OR-OP-0077
2'-O-PivOM-A(Pac)-3'-CE-PhosphoramiditeBy inquiry · CAS: 1097131-21-9
OR-OP-0078![Chemical structure of [1-N-(4,4'-Dimethoxytrityl)-biotinyl-6-aminohexyl]-2-cyanoethyl-(N,N-diisopropyl)-phosphoramidite](/structures/9b1c47ba3d422557.svg)
[1-N-(4,4'-Dimethoxytrityl)-biotinyl-6-aminohexyl]-2-cyanoethyl-(N,N-diisopropyl)-phosphoramiditeBy inquiry · CAS: 135137-87-0
OR-OP-0137
DMTr-4'-F-5-Methyluridine-CED PhosphoramiditeBy inquiry · CAS: 2758388-05-3
OR-OP-0074
2'-OAc-A(Bz)-ANA-CE-PhosphoramiditeBy inquiry · CAS: 2756253-85-5
OR-OP-0104
DMTr-FNA-C(Bz)phosphoramiditeBy inquiry · CAS: 326802-62-4
OR-OP-0108
2'-OAc-C(Ac)-ANA-CE-PhosphoramiditeBy inquiry · CAS: 373645-92-2
OR-OP-0110
5-Formylindole-CE PhosphoramiditeBy inquiry · CAS: 460355-05-9
OR-OP-0111
BAN-T-CE-PhosphoramiditeBy inquiry · CAS: 847666-85-7
OR-OP-0125
3'-Deoxy-5'-O-(4,4'-dimethoxytrityl)-3'-fluorouridine-2'-CED-phosphoramiditeBy inquiry · CAS: 129015-63-0
OR-OP-0159
3-Cyanovinylcarbazole PhosphoramiditeBy inquiry · CAS: 1157899-72-3
OR-OP-0001
5'-O-DMTr-2'-O-MOE-5-Me-rC(Bz) Bis(phosphoramidite)By inquiry · CAS: N/A
OR-OP-0002
5'-O-DMTr-2'-O-MOE-rG(iBu) Bis(phosphoramidite)By inquiry · CAS: N/A
OR-OP-0003
5'-O-DMTr-2'-O-MOE-rT Bis(phosphoramidite)By inquiry · CAS: N/A
OR-OP-0004
Bis(5'-O-DMTr-2'-O-MOE-5-Me-rC(Bz)-3'-oxy)-diisopropylphosphoramiditeBy inquiry · CAS: N/A
OR-OP-0007
Bis(5'-O-DMTr-2'-O-MOE-rA(Bz)-3'-oxy)-diisopropylphosphoramiditeBy inquiry · CAS: N/A
OR-OP-0008
Bis(5'-O-DMTr-2'-O-MOE-rG(iBu)-3'-oxy)-diisopropylphosphoramiditeBy inquiry · CAS: N/A
OR-OP-0009
DMTr-1'-O-Ac-3'-CE-Phosphoramidite (alpha, beta mix)By inquiry · CAS: N/A
OR-OP-0011
DMTr-1'-O-C6-NHTFA-2'-Deoxyribose-3'-CE-PhosphoramiditeBy inquiry · CAS: N/A
OR-OP-0012
DMTr-2',2'-diFluoro-dA(Bz)-3'-CE-PhosphoramiditeBy inquiry · CAS: 3055573-22-0
OR-OP-0013
DMTr-2',2'-diFluoro-dC(Bz)-3'-CE-PhosphoramiditeBy inquiry · CAS: 142808-44-4
OR-OP-0014
DMTr-2',2'-diFluoro-dG(iBu)-3'-CE-PhosphoramiditeBy inquiry · CAS: N/A
OR-OP-0015
DMTr-2',2'-diFluoro-dU-3'-CE-PhosphoramiditeBy inquiry · CAS: N/A
OR-OP-0016
DMTr-2'-O-(Methyl behenate)-rC(Ac)-3'-CE-PhosphoramiditeBy inquiry · CAS: N/A
OR-OP-0017
DMTr-2'-O-(Methyl behenate)-rG(iBu)-3'-CE-PhosphoramiditeBy inquiry · CAS: N/A
OR-OP-0018
DMTr-2'-O-Bn-rC(Ac)-3'-CE-PhosphoramiditeBy inquiry · CAS: 1314972-07-0
OR-OP-0020
DMTr-2'-O-Bn-rG(iBu)-3'-CE-PhosphoramiditeBy inquiry · CAS: 1314972-06-9
OR-OP-0021
DMTr-2'-O-Bn-rU-3'-CE-PhosphoramiditeBy inquiry · CAS: 1314972-05-8
OR-OP-0022
DMTr-2'-O-Bu-5-Me-rC(Bz)-3'-CE-PhosphoramiditeBy inquiry · CAS: N/A
OR-OP-0023
DMTr-2'-O-Bu-rA(Bz)-3'-CE-PhosphoramiditeBy inquiry · CAS: N/A
OR-OP-0024
DMTr-2'-O-Bu-rG(iBu)-3'-CE-PhosphoramiditeBy inquiry · CAS: N/A
OR-OP-0025
DMTr-2'-O-C6-rA(Bz)-3'-CE-PhosphoramiditeBy inquiry · CAS: 2642321-66-0
OR-OP-0031
DMTr-2'-O-C6-rC(Bz)-3'-CE-PhosphoramiditeBy inquiry · CAS: 2642321-61-5
OR-OP-0032
DMTr-2'-O-C6-rG(iBu)-3'-CE-PhosphoramiditeBy inquiry · CAS: 2642321-69-3
OR-OP-0033
DMTr-2'-O-C6-rU-3'-CE-PhosphoramiditeBy inquiry · CAS: 2382942-78-9
OR-OP-0034
DMTr-2'-O-EOE-5-Me-rC(Bz)-3'-CE-PhosphoramiditeBy inquiry · CAS: N/A
OR-OP-0035
DMTr-2'-O-EOE-rA(Bz)-3'-CE-PhosphoramiditeBy inquiry · CAS: N/A
OR-OP-0036
DMTr-2'-O-EOE-rG(iBu)-3'-CE-PhosphoramiditeBy inquiry · CAS: 2253990-02-0
OR-OP-0037
DMTr-2'-O-EOE-rT-3'-CE-PhosphoramiditeBy inquiry · CAS: N/A
OR-OP-0038
DMTr-2'-O-Et-5-Me-rC(Bz)-3'-CE-PhosphoramiditeBy inquiry · CAS: N/A
OR-OP-0039
DMTr-2'-O-Et-rA(Bz)-3'-CE-PhosphoramiditeBy inquiry · CAS: N/A
OR-OP-0040
DMTr-2'-O-Et-rC(Bz)-3'-CE-PhosphoramiditeBy inquiry · CAS: N/A
OR-OP-0041
DMTr-2'-O-Et-rG(iBu)-3'-CE-PhosphoramiditeBy inquiry · CAS: N/A
OR-OP-0042
DMTr-2'-O-Et-rT-3'-CE-PhosphoramiditeBy inquiry · CAS: N/A
OR-OP-0043
DMTr-2'-O-Et-rU-3'-CE-PhosphoramiditeBy inquiry · CAS: N/A
OR-OP-0044
DMTr-2'-O-MOEOE-5-Me-rC(Bz)-3'-CE-PhosphoramiditeBy inquiry · CAS: N/A
OR-OP-0045
DMTr-2'-O-MOEOE-rA(Bz)-3'-CE-PhosphoramiditeBy inquiry · CAS: N/A
OR-OP-0046
DMTr-2'-O-MOEOE-rG(iBu)-3'-CE-PhosphoramiditeBy inquiry · CAS: N/A
OR-OP-0047
DMTr-2'-O-Trifluoroacetamido propyl-rC(Bz)-3'-CE-PhosphoramiditeBy inquiry · CAS: 165381-54-4
OR-OP-0049![Chemical structure of DMTr-2'-O-[2-(TFA)aminoethoxymethyl]-rA(Bz)-3'-CE-Phosphoramidite](/structures/1fc63fabeb66e30c.jpg)
DMTr-2'-O-[2-(TFA)aminoethoxymethyl]-rA(Bz)-3'-CE-PhosphoramiditeBy inquiry · CAS: 1953146-95-6
OR-OP-0050
DMTr-2'-O-propyl-rA(Bz)-3'-CE-PhosphoramiditeBy inquiry · CAS: 1448230-09-8
OR-OP-0052
DMTr-2'-O-propyl-rC(Bz)-3'-CE-PhosphoramiditeBy inquiry · CAS: 192564-89-9
OR-OP-0053
DMTr-2'-O-propyl-rG(iBu)-3'-CE-PhosphoramiditeBy inquiry · CAS: 160526-45-4
OR-OP-0054
DMTr-2'-O-propyl-rU-3'-CE-PhosphoramiditeBy inquiry · CAS: 160526-54-5
OR-OP-0055
5'-O-DMTr-2'-Trifluoroacetamido-C(Ac)-3'-CE-PhosphoramiditeBy inquiry · CAS: N/A
OR-OP-0056
3'-O-MOE-A(Bz)-2'-CED-phosphoramiditeBy inquiry · CAS: 256224-01-8
OR-OP-0058
3'-O-MOE-G(iBu)-2'-CED-phosphoramiditeBy inquiry · CAS: 256224-06-3
OR-OP-0059
di(5'-O-DMTr-2'-O-MOE-5-Me-rC(Bz)-3'-oxy)-(oxybis(ethane-1,2-diyl))-bis(diisopropylphosphoramidite)By inquiry · CAS: N/A
OR-OP-0060
di(5'-O-DMTr-2'-O-MOE-rA(Bz)-3'-oxy)-(oxybis(ethane-1,2-diyl))-bis(diisopropylphosphoramidite)By inquiry · CAS: N/A
OR-OP-0061
di(5'-O-DMTr-2'-O-MOE-rG(iBu)-3'-oxy)-(oxybis(ethane-1,2-diyl))-bis(diisopropylphosphoramidite)By inquiry · CAS: N/A
OR-OP-0062
di(5'-O-DMTr-2'-O-MOE-rT-3'-oxy)-(oxybis(ethane-1,2-diyl))-bis(diisopropylphosphoramidite)By inquiry · CAS: N/A
OR-OP-0063
ethane-1,2-di(5'-O-DMTr-2'-O-MOE-5-Me-rC(Bz)-3'-oxy)-bis(diisopropylphosphoramidite)By inquiry · CAS: N/A
OR-OP-0064
ethane-1,2-di(5'-O-DMTr-2'-O-MOE-rA(Bz)-3'-oxy)-bis(diisopropylphosphoramidite)By inquiry · CAS: N/A
OR-OP-0065
ethane-1,2-di(5'-O-DMTr-2'-O-MOE-rG(iBu)-3'-oxy)-bis(diisopropylphosphoramidite)By inquiry · CAS: N/A
OR-OP-0066
ethane-1,2-di(5'-O-DMTr-2'-O-MOE-rT-3'-oxy)-bis(diisopropylphosphoramidite)By inquiry · CAS: N/A
OR-OP-0067![Chemical structure of 1-[(5E)-3-O-[(Bis-di-isopropyl amino)(2-cyanoethoxy) phosphino]-5,6-dideoxy-6-(diethoxyphosphinyl)-2-O-(2-methoxyethyl)-beta-D-ribo-hex-5-enofuranosyl]-5-methyluracil](/structures/9e774afca66356bc.svg)
1-[(5E)-3-O-[(Bis-di-isopropyl amino)(2-cyanoethoxy) phosphino]-5,6-dideoxy-6-(diethoxyphosphinyl)-2-O-(2-methoxyethyl)-beta-D-ribo-hex-5-enofuranosyl]-5-methyluracilBy inquiry · CAS: 1345562-47-1
OR-OP-0157
2'-O-ALE-A(Bz)-CE-PhosphoramiditeBy inquiry · CAS: 1541908-27-3
OR-OP-0085
5'-O-DMTr-N1-methyl-2'-deoxypseudouridine 3'-CE phosphoramiditeBy inquiry · CAS: 170933-43-4
OR-OP-0089
N6-Bz-5'-O-DMTr-3'-O-methyladenosine-2'-O-CED-phosphoramiditeBy inquiry · CAS: 179479-02-8
OR-OP-0091
3'-O-Me-G(iBu)-2'-phosphoramiditeBy inquiry · CAS: 179479-04-0
OR-OP-0092
3'-O-Me-U-2'-phosphoramiditeBy inquiry · CAS: 179479-05-1
OR-OP-0093
5'-O-DMTr-2'-O-methyluridine-3'-O-(P-methyl-N,N-diisopropylamino)phosphonamiditeBy inquiry · CAS: 191786-64-8
OR-OP-0094
2'-O-DMTr-N2-isobutyroyl-3'-O-methylguanosine 5'-CE phosphoramiditeBy inquiry · CAS: 2241581-19-9
OR-OP-0100
5'-O-DMTr-2'-O-TMBTM-C(Bz)-3'-CE-PhosphoramiditeBy inquiry · CAS: N/A
OR-OP-0101
VP-U-6By inquiry · CAS: 2361324-80-1
OR-AMN-0249
3'-O-MOE-5MeU-2'-phosphoramiditeBy inquiry · CAS: 256223-93-5
OR-OP-0103
5'-O-DMTr-2'-O-(methoxycarbonyl)methyl-A(Bz)-3'-CE-PhosphoramiditeBy inquiry · CAS: N/A
OR-OP-0109
TAMRA-dT PhosphoramiditeBy inquiry · CAS: N/A
OR-DP-0052
DMTr-2'-O-MOEOE-rT-3'-CE phosphoramiditeBy inquiry · CAS: N/A
OR-OP-0048Frequently asked questions
What are typical uses for Other Phosphoramidites?
Other Phosphoramidites products provide protected, sequence-addressable building blocks for solid-phase oligonucleotide synthesis and modified-sequence research.
What should be confirmed before ordering Other Phosphoramidites?
Confirm base and sugar identity, protecting groups, stereochemistry, linker or label position, and compatibility with coupling and deprotection conditions.
Are custom quantities or related analogs available?
OROGO reviews custom package sizes, catalog-adjacent analogs and research-use custom synthesis requests against the target structure, purity, scale and timeline.
Need help selecting a product?
Tell our scientists about your target chemistry, workflow, required purity and scale. We can help identify a catalog product, related analog or custom route.