BX LAB PRODUCT CATEGORY
Protected Nucleosides
Quick view. Base- and sugar-protected nucleosides for regioselective synthesis of nucleotides and oligonucleotide monomers. This category currently includes 156 products. Protected Nucleosides products serve as starting materials, protected intermediates and analytical comparators in nucleoside, nucleotide and oligonucleotide chemistry.
Category guide
Protected Nucleosides products serve as starting materials, protected intermediates and analytical comparators in nucleoside, nucleotide and oligonucleotide chemistry.
Confirm anomeric and sugar stereochemistry, base identity, substitution position, protecting-group pattern and required downstream transformation.
Use orthogonal identity data such as NMR and MS together with chromatographic purity, water or residual-solvent review and route-specific impurity controls.
Product-family considerations
- Nucleoside catalogs provide flexible entry points for protecting-group, phosphorylation and glycosylation-route development.
- Availability of related analogs helps researchers compare base, sugar and substitution effects systematically.
- Downstream use often requires additional protection, activation or purification before incorporation into oligonucleotide workflows.
- Isomeric purity, water content and residual solvents should be matched to the planned chemistry.
Category literature
These publications provide background for the Protected Nucleosides 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. |
156 products
N2-Isobutyryl-3',5'-O-TIPDS-guanosine≥98% · CAS: 87865-78-9
BX-PN-0303
5'-O-DMTr-2'-O-TBDMS-rC(Ac)≥98% · CAS: 121058-85-3
BX-PN-0043
3'-O-TBDMS-2'-F-dU≥98% · CAS: 1445379-59-8
BX-PN-0070
3'-O-TBDMS-2'-O-Me-rG(iBu)≥98% · CAS: 863097-97-6
BX-PN-0071
3'-TBDMS-2'-O-Me-rU≥98% · CAS: 171268-84-1
BX-PN-0079
5'-O-(4,4'-Dimethoxytrityl)cytidine≥98% · CAS: 112897-99-1
BX-PN-0127
N6-Phenoxyacetyladenosine≥98% · CAS: 119824-65-6
BX-PN-0134
N2-Phenoxyacetylguanosine≥98% · CAS: 119824-66-7
BX-PN-0135
5'-O-DMTr-N6-phenoxyacetyladenosine≥98% · CAS: 121076-16-2
BX-PN-0139
5'-O-DMT-2'-O-TBDMS-N2-dimethylformamidine-guanosine≥98% · CAS: 126922-61-0
BX-PN-0143
5'-O-(4,4'-Dimethoxytrityl)-3'-O-methyluridine≥98% · CAS: 127212-40-2
BX-PN-0360
5'-O-(4,4'-Dimethoxytrityl)-5-methyluridine≥98% · CAS: 138239-62-0
BX-PN-0150
N4-Benzoyl-5'-O-(4,4'-dimethoxytrityl)-3'-O-methylcytidine≥98% · CAS: 138906-83-9
BX-PN-0361
N4-Benzoyl-5'-O-DMTr-2',2'-difluoro-2'-deoxycytidine≥98% · CAS: 142808-43-3
BX-PN-0153
N4-Benzoyl-2',2'-difluoro-2'-deoxycytidine≥98% · CAS: 142816-70-4
BX-PN-0154
3',5'-Di-O-acetyl-2'-deoxy-5,N3-dimethyluridine≥98% · CAS: 144874-49-7
BX-PN-0156
5'-DMT-2'-O-propargyl-N4-acetylcytidine≥98% · CAS: 1498305-50-2
BX-PN-0157
2',3',5'-Tri-O-acetyl-5-methoxycarbonylmethyl-2-thiouridine≥98% · CAS: 1613530-52-1
BX-PN-0165
2',3',5'-Tri-O-benzoyl-6-azauridine≥98% · CAS: 1627-29-8
BX-PN-0168
2',3',5'-Tri-O-acetyl-5-cyanouridine≥98% · CAS: 1630743-99-5
BX-PN-0169
3',5'-Di-O-TBDMS-2'-O-methyluridine≥98% · CAS: 367511-37-3
BX-PN-0368
2',3',5'-Tri-O-acetyl-N3-methyluridine≥98% · CAS: 64623-26-3
BX-PN-0258
5'-O-Benzoylthymidine≥98% · CAS: 65475-51-6
BX-PN-0259
3'-O-tert-Butyldiphenylsilylthymidine≥98% · CAS: 83467-48-5
BX-MN-0691
N6-Benzoyl-5'-O-(4,4'-dimethoxytrityl)-3'-deoxyadenosine≥98% · CAS: 84138-86-3
BX-PN-0296
N2-Isobutyryl-2',3'-dideoxyguanosine≥98% · CAS: 85326-13-2
BX-PN-0298
N4-Benzoyl-5'-O-(4,4'-dimethoxytrityl)aracytidine≥98% · CAS: 87418-76-6
BX-PN-0300
5'-O-DMTr-2'-O-TBDMS-N1-methylpseudouridine≥98% · CAS: 875302-41-3
BX-PN-0301
5'-O-DMTr-3'-O-TBDMS-N1-methylpseudouridine≥98% · CAS: 875302-43-5
BX-PN-0302
3'-O-(tert-Butyldimethylsilyl)-5'-O-(4,4'-dimethoxytrityl)-2'-deoxyadenosine≥98% · CAS: 89947-86-4
BX-PN-0304
N2-(Isopropylphenoxyacetyl)guanosine≥98% · CAS: 937205-20-4
BX-PN-0308
2',3',5'-Tri-O-benzoyl-2'-C-methyl-5-methyluridine≥98% · CAS: 957535-53-4
BX-PN-0313
5'-O-(4,4'-Dimethoxytrityl)-N6-benzoyl-2'-deoxyadenosine-3'-O-succinic acid≥98% · CAS: 74405-42-8
BX-PN-0348
N6-Isobutyryl-5'-O-(4,4'-dimethoxytrityl)-2'-deoxyadenosine≥98% · CAS: 190834-10-7
BX-PN-0350
N6-Isobutyryl-3',5'-O-(tetraisopropyldisiloxane-1,3-diyl)adenosine≥98% · CAS: 163774-15-0
BX-PN-0351
N6-Benzoyl-5'-O-benzoyl-2'-deoxyadenosine≥98% · CAS: 116597-12-7
BX-PN-0353
2'-Deoxy-5'-O-(4,4'-dimethoxytrityl)-N6-phenoxyacetyladenosine≥98% · CAS: 110522-82-2
BX-PN-0125
5'-O-(4,4'-Dimethoxytrityl)-2'-deoxyadenosine≥98% · CAS: 17331-22-5
BX-PN-0174
2'-Deoxy-5'-O-(4,4'-dimethoxytrityl)-5-methylcytidine≥98% · CAS: 176755-83-2
BX-PN-0176
2',3',5'-Tri-O-benzoyl-2'-beta-C-methyl-6-azauridine≥98% · CAS: 622379-83-3
BX-PN-0257
2',5'-Bis-O-(triphenylmethyl)uridine≥98% · CAS: 6554-11-6
BX-MN-0624
N4-Benzoyl-3'-O-methylcytidine≥98% · CAS: 85079-03-4
BX-PN-0369![Chemical structure of N6-Benzoyl-2'-O,4'-C-[(S)-ethylidene]-adenosine](/structures/68e4b20cd68749aa.svg)
N6-Benzoyl-2'-O,4'-C-[(S)-ethylidene]-adenosine≥98% · CAS: 1197033-12-7
BX-PN-0344
5'-O-Acetyl-2',3'-dideoxy-2',3'-didehydrouridine≥98% · CAS: 42867-74-3
BX-PN-0244
5'-O-Tritylthymidine>98% (HPLC) · CAS: 7791-71-1
BX-GSS-0011
N4-Benzoyl-3'-O-TBDMS-2'-deoxycytidine≥98% · CAS: 51549-37-2
BX-PN-0111
3'-O-TBDMS-thymidine≥98% · CAS: 40733-27-5
BX-PN-0112
N6-Benzoyl-3'-O-TBDMS-2'-deoxyadenosine≥98% · CAS: 51549-40-7
BX-PN-0114
2'-Deoxy-N6-phenoxyacetyladenosine≥98% · CAS: 110522-74-2
BX-PN-0124
N4-Acetyl-5'-O-(4,4'-dimethoxytrityl)cytidine≥98% · CAS: 121058-82-0
BX-PN-0138
2',3',5'-Tri-O-benzoyl-2-thiouridine≥98% · CAS: 21052-18-6
BX-PN-0196
3'-O-Acetylthymidine≥98% · CAS: 21090-30-2
BX-PN-0197
2',3',5'-Tri-O-acetyl-6-azauridine≥98% · CAS: 2169-64-4
BX-PN-0199
5'-O-(4,4'-Dimethoxytrityl)-2'-deoxyuridine≥98% · CAS: 23669-79-6
BX-PN-0211
5'-O-DMT-N2-dimethylformamidine-2'-deoxyguanosine≥98% · CAS: 40094-22-2
BX-PN-0241
N4-Acetyl-2'-O-TBDMS-cytidine≥98% · CAS: 401812-97-3
BX-PN-0242
5'-O-DMTr-N3-(pivaloyloxymethyl)-5-methyl-2'-deoxyuridine≥98% · CAS: 913697-71-9
BX-PN-0251
N-Benzoyl-2'-deoxyadenosine 3'-benzoate≥98% · CAS: 51549-54-3
BX-PN-0253
2',3',5'-Tri-O-benzoyl-5-hydroxymethyluridine≥98% · CAS: 53910-92-2
BX-PN-0254
2'-O-TBDMS-uridine≥98% · CAS: 54925-71-2
BX-PN-0255
N4-Benzoyl-5'-O-(4,4'-dimethoxytrityl)-2'-deoxycytidine≥98% · CAS: 67219-55-0
BX-PN-0262
3',5'-O-(1,1,3,3-Tetraisopropyl-1,3-disiloxanediyl)cytidine≥98% · CAS: 69304-42-3
BX-MN-0636
3',5'-O-(1,1,3,3-Tetraisopropyl-1,3-disiloxanediyl)adenosine≥98% · CAS: 69304-45-6
BX-MN-0638
N6-Benzoyl-2'-O-TBDMS-adenosine≥98% · CAS: 69504-07-0
BX-PN-0263
2'-O-TBDMS-adenosine≥98% · CAS: 69504-13-8
BX-PN-0265
3'-O-TBDMS-adenosine≥98% · CAS: 69504-14-9
BX-PN-0266
3',5'-Di-O-acetylthymidine≥98% · CAS: 6979-97-1
BX-PN-0268
2',3'-O-Isopropylidene-2-thiouridine≥98% · CAS: 6984-55-0
BX-MN-0641
2',3',5'-Tri-O-acetyladenosine≥98% · CAS: 7387-57-7
BX-PN-0276
3'-O-Acetyl-N2-isobutyryl-2'-deoxyguanosine≥98% · CAS: 74925-81-8
BX-PN-0278
5'-O-(4,4'-Dimethoxytrityl)-2'-deoxycytidine≥98% · CAS: 76512-82-8
BX-PN-0280
N6-Benzoyl-3'-deoxyadenosine≥98% · CAS: 76902-49-3
BX-PN-0281
N6-Benzoyl-2',3'-dideoxyadenosine≥98% · CAS: 77244-86-1
BX-PN-0282
N6-Benzoyl-3',5'-O-(tetraisopropyldisiloxane-1,3-diyl)adenosine≥98% · CAS: 79154-57-7
BX-PN-0283
N2-iBu-2',3'-bis-O-TBDMS guanosine≥98% · CAS: 79974-70-2
BX-PN-0284
8-Oxo-N2-isobutyryl-2'-deoxyguanosine≥98% · CAS: 136859-76-2
BX-PN-0285
2',3',5'-Tri-O-acetyl-6-S-methyl-6-thioguanosine≥98% · CAS: 80681-58-9
BX-PN-0286
5'-O-(4,4'-Dimethoxytrityl)-N4-benzoylcytidine≥98% · CAS: 81246-76-6
BX-PN-0287
5'-O-(4,4'-Dimethoxytrityl)uridine≥98% · CAS: 81246-79-9
BX-PN-0288
5'-O-(4,4'-Dimethoxytrityl)-3'-O-tert-butyldimethylsilyluridine≥98% · CAS: 81246-81-3
BX-PN-0289
5'-O-(4,4'-Dimethoxytrityl)-N6-benzoyladenosine≥98% · CAS: 81246-82-4
BX-PN-0290
N6-Benzoyl-3'-O-tert-butyldimethylsilyl-5'-O-(4,4'-dimethoxytrityl)adenosine≥98% · CAS: 81256-88-4
BX-PN-0292
5'-O-(4,4'-Dimethoxytrityl)adenosine≥98% · CAS: 81352-25-2
BX-PN-0293
5'-O-(4,4'-Dimethoxytrityl)-3'-O-tert-butyldimethylsilyladenosine≥98% · CAS: 81794-12-9
BX-PN-0294
5'-O-(4,4'-Dimethoxytrityl)-2'-O-tert-butyldimethylsilyladenosine≥98% · CAS: 81794-13-0
BX-PN-0295
2',3'-Bis-O-tert-butyldimethylsilyl-5'-O-(4,4'-dimethoxytrityl)uridine≥98% · CAS: 82444-76-6
BX-MN-0688
N6-Acetyl-3',5'-O-(tetraisopropyldisiloxane-1,3-diyl)adenosine≥98% · CAS: 828247-65-0
BX-MN-0690
N4-Benzoyl-5'-O-(4,4-dimethoxytrityl)-3'-Deoxycytidine≥98% · CAS: 86234-45-9
BX-PN-0299
5'-O-DMTr-N6-methyl-2'-deoxyadenosine>98% · CAS: 98056-69-0
BX-PN-0315
5'-O-DMTr-Inosine≥98% · CAS: 119898-59-8
BX-PN-0136
N6-Benzoyl-3'-O-DMTr-2'-O-TBDMS-adenosine≥98% · CAS: 1214886-17-5
BX-PN-0140
2-Deoxy-2'-deoxy-5'-(4,4'-dimethoxytrityl)uridine≥98% · CAS: 151503-26-3
BX-PN-0158
N2-Isobutyryl-3'-deoxy-5'-O-(4,4'-dimethoxytrityl)guanosine≥98% · CAS: 157327-99-6
BX-PN-0161
N4-Benzoyl-5-methylcytidine≥98% · CAS: 160107-15-3
BX-PN-0162
N4-Benzoyl-5'-O-(4,4'-dimethoxytrityl)-5-methylcytidine≥98% · CAS: 160107-17-5
BX-PN-0163
N4-Benzoyl-3'-deoxycytidine≥98% · CAS: 161110-00-5
BX-PN-0164
2'-O-TBDMS-inosine≥98% · CAS: 2755648-72-5
BX-PN-0224
2',3'-Di-O-acetyluridine≥98% · CAS: 29108-90-5
BX-PN-0227
2',3',5'-Tri-O-benzoyl-5-methoxyuridine≥98% · CAS: 37805-86-0
BX-PN-0240
2'-O-TBDMS-5-methyluridine≥98% · CAS: 922508-26-7
BX-PN-0307
5'-O-(4,4'-Dimethoxytrityl)-2'-deoxyinosine98% · CAS: 93778-57-5
BX-PN-0309
N2-Phenylacetylguanosine≥98% · CAS: 132628-16-1
BX-PN-0147
2-Amino-6-chloropurine-3',5'-di-O-acetyl-2'-deoxyriboside≥98% · CAS: 69992-11-6
BX-AMN-0108
2'-O-TBDMS-rG(iBu)≥98% · CAS: 182007-86-9
BX-PN-0012
5'-O-TBDMS-3'-O-TBDMS-5-(hydroxymethyl)-dC≥98% · CAS: 1257247-39-4
BX-PN-0057
5'-O-TBDMS-3'-O-TBDMS-5-I-dC≥98% · CAS: 478843-96-8
BX-PN-0058
3'-O-TBDMS-2'-F-dG(iBu)≥98% · CAS: 2382967-92-0
BX-PN-0067
3'-O-TBDMS-2'-F-dA(Bz)≥98% · CAS: 1244763-25-4
BX-PN-0068
3'-O-TBDMS-2'-F-dC(Ac)≥98% · CAS: N/A
BX-PN-0069
3'-O-TBDMS-2'-O-Me-rC(Ac)≥98% · CAS: N/A
BX-PN-0073
N4-Benzoyl-3'-O-TBDMS-5-methyl-2'-deoxycytidine≥98% · CAS: 149510-44-1
BX-PN-0113
N2-Isobutyryl-3'-O-TBDMS-2'-deoxyguanosine≥98% · CAS: 99540-94-0
BX-PN-0115
N4-benzoyl-5-methyl-2'-deoxycytidine≥98% · CAS: 104579-02-4
BX-PN-0123
N2-Isobutyryl-2',3'-didehydro-2',3'-dideoxyguanosine≥98% · CAS: 119794-40-0
BX-PN-0132
N4-Acetyl-2',3'-didehydro-2',3'-dideoxycytidine≥98% · CAS: 119794-43-3
BX-PN-0133
5'-O-Trityl-2'-deoxyuridine≥98% · CAS: 14270-73-6
BX-MN-0246
5'-O-(4,4'-Dimethoxytrityl)-3'-deoxy-5-methyluridine≥98% · CAS: 143653-61-6
BX-PN-0155
2'-O-Acetyl-3',5'-bis-O-benzoyl-6-aza-xylouridine≥98% · CAS: 161615-21-0
BX-PN-0166
N6-Benzoyl-5'-O-(4,4'-dimethoxytrityl)-2'-O-propargyl adenosine≥98% · CAS: 171486-51-4
BX-PN-0172
N2-Isobutyryl-5'-O-(4,4'-dimethoxytrityl)-2'-O-propargylguanosine≥98% · CAS: 171486-53-6
BX-PN-0173
(2',3',5'-Tri-O-acetyl)uridine 5-carboxylic acid≥98% · CAS: 174653-39-5
BX-PN-0175
5'-O-(4,4'-Dimethoxytrityl)-2'-O,4'-C-methyleneuridine≥98% · CAS: 195705-32-9
BX-PN-0180
2',3'-Bis-O-(tert-butyldimethylsilyl)uridine≥98% · CAS: 69504-12-7
BX-MN-0639
2',3',5'-Tri-O-acetyl-5,N3-dimethyluridine≥98% · CAS: 201421-00-3
BX-PN-0185
N4-Benzoyl-5'-O-(4,4'-dimethoxytrityl)-2'-O,4'-C-methylenecytidine≥98% · CAS: 206055-73-4
BX-PN-0186
5'-O-(4,4'-Dimethoxytrityl)-3'-O-levulinyl-2'-deoxyadenosine≥98% · CAS: 2072145-67-4
BX-PN-0189
2',3',5'-Tri-O-benzoyl-2'-C-methyl-5-methoxyuridine≥98% · CAS: 2072145-79-8
BX-PN-0190
1-(5'-O-Methoxytrityl-2'-deoxy-beta-D-xylofuranosyl)uracil≥98% · CAS: 2072145-82-3
BX-PN-0191
N2-[2-(4-Isopropylphenoxy)acetyl]-2'-O-propargylguanosine≥98% · CAS: 2095417-23-3
BX-PN-0193
5'-O-DMT-2'-O-propargyl-N2-dimethylformamidine-guanosine≥98% · CAS: 210096-45-0
BX-PN-0194
5'-O-(4,4'-Dimethoxytrityl)-2'-beta-C-methyladenosine≥98% · CAS: 2305415-95-4
BX-PN-0205
5'-O-Acetyl-5-acetyloxymethyluridine≥98% · CAS: 2305416-11-7
BX-PN-0207
3',5'-Di-O-acetyl-2'-deoxy-N3-methyluridine≥98% · CAS: 2305416-14-0
BX-PN-0208
2',3',5'-Tri-O-benzoyl-5-hydroxymethyl-2'-C-methyluridine≥98% · CAS: 2305416-16-2
BX-PN-0209
2',3',5'-Tri-O-benzoyl-2'-C-methyluridine≥98% · CAS: 23643-36-9
BX-PN-0210
N2-Isobutyryl-2'-O-hexadecylguanosine≥98% · CAS: 2382942-30-3
BX-PN-0212
N2-Isobutyryl-5'-O-DMTr-2'-O-hexadecylguanosine≥98% · CAS: 2382942-31-4
BX-PN-0213
N6-Benzoyl-2'-O-hexadecyladenosine≥98% · CAS: 2382942-33-6
BX-PN-0214
N4-Acetyl-5'-O-DMTr-2'-O-hexadecylcytidine≥98% · CAS: 2382942-37-0
BX-PN-0215
2',5'-Di-O-acetyl-8-benzyloxy-3'-deoxyguanosine≥98% · CAS: 2389988-71-8
BX-PN-0216
3'-Deoxy-2',5'-di-O-acetyl-8-hydroxyguanosine≥98% · CAS: 2389988-72-9
BX-PN-0217
5'-O-(4,4'-Dimethoxytrityl)-3'-O-(2-methoxyethyl)-5-methyluridine≥98% · CAS: 256223-94-6
BX-PN-0362
N4-Benzoyl-5'-O-(4,4'-dimethoxytrityl)-3'-O-(2-methoxyethyl)-5-methylcytidine≥98% · CAS: 256223-98-0
BX-PN-0363
N6-Benzoyl-3'-O-(2-methoxyethyl)adenosine≥98% · CAS: 256223-99-1
BX-PN-0364
N6-Benzoyl-5'-O-(4,4'-dimethoxytrityl)-3'-O-(2-methoxyethyl)adenosine≥98% · CAS: 256224-00-7
BX-PN-0365
N2-Isobutyryl-5'-O-(4,4'-dimethoxytrityl)-3'-O-(2-methoxyethyl)guanosine≥98% · CAS: 256224-05-2
BX-PN-0366
2',3',5'-Tri-O-benzoyl-5-ethyluridine≥98% · CAS: 25692-02-8
BX-PN-0222
2',3',5'-Tri-O-acetyl-2-thiouridine≥98% · CAS: 28542-31-6
BX-PN-0225
3'-O-(t-Butyldiphenylsilyl)-5'-O-(4,4'-dimethoxytrityl) thymidine≥98% · CAS: 289681-49-8
BX-PN-0226
5'-O-Benzoyl-2'-O,4'-C-methyleneuridine≥98% · CAS: 293751-31-2
BX-PN-0228
3',5'-Di-O-benzoylthymidine≥98% · CAS: 35898-30-7
BX-PN-0239
N2-Isobutyryl-5'-O-(4,4'-dimethoxytrityl)guanosine≥98% · CAS: 81246-83-5
BX-PN-0291
2'-O-Acetyl-5'-O-benzoyl-3'-deoxy-3'-C-alpha-methyluridine≥98% · CAS: 959843-61-9
BX-PN-0314
N4-Benzoyl-3',5'-O-(tetraisopropyldisiloxane-1,3-diyl)-5-methylcytidine≥98% · CAS: 2940859-44-7
BX-PN-0339
Uridine-5-oxo-acetyl (9-fluorenylmethyl) ester≥98% · CAS: N/A
BX-PN-0356
3'-O-TBDMS-5-methyluridine≥98% · CAS: N/A
BX-PN-0264Frequently asked questions
What are typical uses for Protected Nucleosides?
Protected Nucleosides products serve as starting materials, protected intermediates and analytical comparators in nucleoside, nucleotide and oligonucleotide chemistry.
What should be confirmed before ordering Protected Nucleosides?
Confirm anomeric and sugar stereochemistry, base identity, substitution position, protecting-group pattern and required downstream transformation.
Are custom quantities or related analogs available?
BX Lab 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.