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Clearsynth is a leading innovator in pharmaceutical reference standards, offering high-quality Reference Standards for Guanosine, including both pharmacopeial and non-pharmacopeial impurities, metabolites, stable isotope products, and nitrosamines (N-NO products). Our Guanosine impurity reference standards are invaluable for pharmaceutical research, supporting product development, ANDA and DMF submissions, quality control (QC), method validation, and stability studies. They also aid in identifying unknown impurities and assessing genotoxic potential.
Our Guanosine-related products undergo thorough characterization and are supplied with detailed Certificates of Analysis (COA) and analytical data that meet regulatory requirements. All supplied products are re-tested at regular intervals to ensure ongoing quality and compliance.

Guanosine Related Compounds

Stable Isotopes

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
"2-DEOXYGUANOSINE 13C10, 15N5" Stable Isotopes CS-R-00242 961-07-9 (Unlabeled) Enquire
"2-DEOXYGUANOSINE 5-TRIPHOSPHATE, AMMONIUM SALT 15N5" Stable Isotopes CS-R-00247 2564-35-4 (Free Acid) Enquire
"Guanosine 13C,15N2 Hydrate" Stable Isotopes CS-T-55467 197227-95-5 Enquire
[1',2',3',4',5'-13C5]2'-deoxyguanosine monohydrate Stable Isotopes CS-OC-00295 312693-72-4 (unlabeled) Enquire
[1',2',3',4',5'-13C5]guanosine 5'-monophosphate disodium sal... Stable Isotopes CS-OC-00431 5550-12-9 (unlabeled) Enquire
[1',2',3',4',5'-13C5]guanosine monohydrate Stable Isotopes CS-OC-00296 118-00-3 (unlabeled) Enquire
[13C5]-Guanosine monohydrate Stable Isotopes CS-EK-00318 159496-14-7 Enquire
[1'-D]2'-deoxyguanosine monohydrate Stable Isotopes CS-OC-00289 312693-72-4 (unlabeled) Enquire
[1'-D]guanosine monohydrate Stable Isotopes CS-OC-00288 118-00-3 (unlabeled) Enquire
[2',2''-D2]2'-deoxyguanosine monohydrate Stable Isotopes CS-OC-00297 312693-72-4 (unlabeled) Enquire
[2'-D]guanosine monohydrate Stable Isotopes CS-OC-00298 118-00-3 (unlabeled) Enquire
[3'-D]2'-deoxyguanosine monohydrate Stable Isotopes CS-OC-00294 312693-72-4 (unlabeled) Enquire
[3'-D]guanosine monohydrate Stable Isotopes CS-OC-00299 118-00-3 (unlabeled) Enquire
1'-Deoxyguanosine Monohydrate-1’-d Stable Isotopes CS-T-103192 312693-72-4(Unlabelled) Enquire
2-(Dimethylamino)guanosine-d6 Stable Isotopes CS-T-95378 2140-67-2(Unlabeled) Enquire
2’,3’,5’-Tri-O-acetyl Guanosine-13C2,15N Stable Isotopes CS-T-99771 Not Available Enquire
2’,3’,5’-Tri-O-acetyl-N2,N2-dimethyl Guanosine-D6 Stable Isotopes CS-T-99772 Not Available Enquire
2-C-Beta-C Stable Isotopes CS-O-46959 374750-30-8 (Unlabelled) In Stock
2'-Deoxy-6-thio Guanosine-13C, 15N2 Stable Isotopes CS-T-100539 Not Available Enquire
2-DEOXYGUANOSINE 5-MONOPHOSPHATE 15N5 Stable Isotopes CS-R-00245 902-04-5 (Unlabeled) Enquire
2-DEOXYGUANOSINE H2O 15N5 Stable Isotopes CS-R-00253 961-07-9 (Unlabeled) Enquire
2-DEOXYGUANOSINE H2O RIBOSE-D2 Stable Isotopes CS-R-00255 478511-28-3 Enquire
2-DEOXYGUANOSINE PHOSPHORAMIDATE 15N5 Stable Isotopes CS-R-00252 1151509-36-2 (Unlabeled) Enquire
2-DEOXYGUANOSINE PHOSPHORAMIDITE 13C10,15N5 Stable Isotopes CS-R-00251 1151509-36-2 (Unlabeled) Enquire
2'-Deoxyguanosine-1 13C Monohydrate Stable Isotopes CS-T-51980 478511-26-1 Enquire
2'-Deoxyguanosine-1',2',3',4',5'-13C5 Monohydrate Stable Isotopes CS-T-96602 Not Available Enquire
2'-Deoxyguanosine-13C10,15N5 Stable Isotopes CS-T-95692 961-07-9 (Unlabeled) Enquire
2-Deoxyguanosine-15N5 Stable Isotopes CS-P-02796 686353-29-7 Enquire
2'-Deoxyguanosine-5',5''-d2 Monohydrate Stable Isotopes CS-T-96601 Not Available Enquire
2'-O-Methyl Guanosine-d3 Stable Isotopes CS-T-103038 2140-71-8(Unlabelled) Enquire
3',5'-O-[Tetrakis(1-methylethyl)-1,3-disiloxanediyl]guanosin... Stable Isotopes CS-T-102265 Not Available Enquire
6-O-Methyl Guanosine-d4 (major) Stable Isotopes CS-T-102999 7803-88-5(Unlabelled) Enquire
6-Thioguanosine Triphosphate-13C,15N2 Triethylamine Salt Stable Isotopes CS-T-98949 Not Available Enquire
7-Methylguanosine 5'-Monophosphate-d3 Stable Isotopes CS-T-103089 22976-65-4 Enquire
8-Aminoguanosine-13C2,15N Stable Isotopes CS-T-100869 Not Available Enquire
8-Bromo-2’,3’,5’-tri-O-acetylguanosine-13C2,15N Stable Isotopes CS-T-100727 Not Available Enquire
8-Bromo-2'-deoxyguanosine-13C15N2 Stable Isotopes CS-O-57844 46994-29-0 Enquire
8-Bromoguanosine-13C,15N2 Stable Isotopes CS-T-102249 Not Available Enquire
8-Hydroxy Guanosine-13C,15N2 Stable Isotopes CS-T-96543 Not Available Enquire
a-Methyl-γ-hydroxy-1,N2-propano-2’-deoxyguanosine-13C,15N2(M... Stable Isotopes CS-T-96498 Not Available Enquire
Guanosine 13C,15N2 6-(O-Methyloxime) Stable Isotopes CS-T-55474 197228-02-7 Enquire
Guanosine 3’,5’-Cyclic Monophosphate-13C5 Sodium Salt Stable Isotopes CS-T-96553 Not Available Enquire
Guanosine 3’,5’-Cyclic-13C3,15N4 Monophosphate Stable Isotopes CS-T-96552 Not Available Enquire
Guanosine 3’,5’-Cyclic-13C5,15N5 Monophosphate Stable Isotopes CS-T-96554 Not Available Enquire
Guanosine 3′,5′-cyclic monophosphate 13C15N3 Stable Isotopes CS-O-47099 7665-99-8 (Unlabelled) Enquire
guanosine diphosphate-β-L-[UL-13C6]fucose, disodium salt Stable Isotopes CS-OC-00277 15839-70-0 (unlabeled) Enquire
Guanosine-1 13C Monohydrate Stable Isotopes CS-T-55468 478511-32-9 Enquire
Guanosine-1’-13C Hydrate Stable Isotopes CS-T-96555 Not Available Enquire
Guanosine-13C10, 15N5 5'-triphosphate sodium salt Stable Isotopes CS-ED-42296 285978-17-8 Enquire
Guanosine-13C5 5’-Monophosphate Stable Isotopes CS-T-102854 85-32-5(Unlabelled) Enquire
Guanosine-13C5,15N5 Stable Isotopes CS-T-96556 Not Available Enquire
Guanosine-5',5''-d2 Monohydrate Stable Isotopes CS-T-55469 478511-34-1 Enquire
N1-Methylguanosine-CD3 Stable Isotopes CS-T-103844 2140-65-0(Unlabelled) Enquire
N2,3-Etheno-2'-deoxy Guanosine-13C2,D, Major Stable Isotopes CS-T-96574 Not Available Enquire
N2,3-Etheno-2'-deoxy Guanosine-d3 Stable Isotopes CS-T-96575 Not Available Enquire
O6-(2-Hydroxy-1-methylethyl)-2’-deoxyguanosine-d3 Stable Isotopes CS-T-98847 Not Available Enquire
O6-(2-Hydroxyethyl-d4)-2'-deoxyguanosine Stable Isotopes CS-T-96547 Not Available Enquire
O6-(2-Hydroxypropyl)-2’-deoxyguanosine-d3 Stable Isotopes CS-T-98846 Not Available Enquire
O6-Benzyl-N2,3-etheno Guanosine-13C2,d Stable Isotopes CS-T-96635 Not Available Enquire
p-Methoxybenzyl O6-(2-Hydroxypropyl)-2’-deoxyguanosine-d3 Stable Isotopes CS-T-102669 Not Available Enquire
Thioguanosine 5’-Phosphate-13C,15N2 Stable Isotopes CS-T-96465 Not Available Enquire
Thioguanosine Diphosphate-13C,15N2 Stable Isotopes CS-T-98950 Not Available Enquire


API Standards

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
3’-Deoxyguanosine API Standards CS-T-73280 3608-58-0 Enquire
Guanosine Hydrate API Standards CS-T-55466 118-00-3 In Stock
Isoguanosine Hydrate API Standards CS-T-56809 359436-55-8 Enquire


Metabolites

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
6-Thioguanosine-5'-O-triphosphate Metabolites CS-N-00292 17670-19-8 Enquire
7-Deaza-2'-C-methylguanosine Metabolites CS-N-00155 443642-38-4 Enquire
7-Deaza-2'-deoxy-7-iodoguanosine Metabolites CS-N-00162 172163-62-1 Enquire
7-Deaza-2'-deoxyguanosine Metabolites CS-N-00166 86392-75-8 Enquire
8-Thioguanosine Metabolites CS-N-00291 26001-38-7 Enquire


Impurities

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
"2'-(N-Methylanthraniloyl) Guanosine 3',5'-Cyclic Monophosph... Impurities CS-T-57961 221905-46-0 Enquire
"3',5'-Di-O-acetyl O6-Benzyl-2'-deoxyguanosine" Impurities CS-T-52370 144640-75-5 Enquire
"5'-O-Acetyl-3'-azido-2',3'-dideoxy-N2-palmitoylguanosine" Impurities CS-N-00126 144742-33-6 Enquire
"8-Nitroguanosine 2',3',5'-Triacetate" Impurities CS-T-59429 1096020-95-9 Enquire
"N-[(Dimethylamino)methylene]-2',3'-O-(methoxymethylene)guan... Impurities CS-T-53593 1315092-28-4 Enquire
"O6-Benzyl-N2,3-etheno-2'-deoxy-3',5'-O-[tetrakis(isopropyl)... Impurities CS-T-48882 148437-94-9 Enquire
[7R-(7a,8ß,9a,10a)]-2’-deoxy-N-(7,8,9,10-tetrahydro-7,8,9-tr... Impurities CS-T-73571 66183-61-7 Enquire
2-(Dimethylamino)guanosine Impurities CS-T-53375 2140-67-2 Enquire
2’-Deoxy-5’-O-DMT-N2-isobutyrylguanosine 3’-CE Phosphoramidi... Impurities CS-T-73920 93183-15-4 Enquire
2’-Deoxyisoguanosine Impurities CS-T-73171 106449-56-9 Enquire
2'-Deoxy-2'-fluoroguanosine Impurities CS-T-51958 78842-13-4 Enquire
2'-Deoxy-5-azacytidylyl-(3'5')-2'-deoxy-guanosine Sodium Sal... Impurities CS-T-51917 929904-85-8 Enquire
2'-Deoxyguanosine Impurities CS-O-39518 961-07-9 Enquire
2'-Deoxyguanosine Hydrate Impurities CS-EO-03607 207121-55-9 Enquire
3',5'-O-[Tetrakis(1-methylethyl)-1,3-disiloxanediyl]guanosin... Impurities CS-T-61919 88183-82-8 Enquire
3'-De(phosphinicooxy)guanylyl-1H-1,2,3-triazole-1,4-diyl-(3'... Impurities CS-T-73255 1513874-09-3 Enquire
3-Deazaguanosine Impurities CS-N-00174 56039-11-3 Enquire
5'-O-Tosylguanosine Impurities CS-T-62158 39947-33-6 Enquire
7-Thio-8-oxoguanosine Impurities CS-T-62007 122970-43-8 Enquire
8-(4-Chlorophenylthio)guanosine 3’,5’-cyclic Monophosphate S... Impurities CS-T-72576 51239-26-0 Enquire
8-(Benzyloxy)guanosine Impurities CS-T-48993 3868-36-8 Enquire
8-Benzyloxy-2'-deoxyguanosine Impurities CS-T-48954 96964-90-8 Enquire
8-Chloro-2'-deoxyguanosine Impurities CS-N-00145 437715-62-3 Enquire
8-Hydroxy Guanosine Impurities CS-T-56064 3868-31-3 Enquire
8-Oxo-2-deoxyguanosine Impurities CS-T-60013 88847-89-6 Enquire
8-Oxo-N2-isobutyryl-2’-deoxyguanosine Impurities CS-T-84163 136859-76-2 Enquire
Carbocyclic 2'-deoxyguanosine 5'-triphosphate Impurities CS-N-00133 118905-01-4 Enquire
Guanosine 3’,5’-cyclic monophosphate Impurities CS-T-78600 7665-99-8 In Stock
N-(2-Amino-3,8-dimethylimidazo[4,5-f]quinoxalin-5-yl) 2'-Deo... Impurities CS-T-47752 142038-30-0 Enquire
N-(4,4'-Dimethoxytrityl)-8-bromoguanosine 2',3',5'-Triacetat... Impurities CS-T-53401 1096020-93-7 Enquire
N-(4,4'-Dimethoxytrityl)-8-nitroguanosine 2',3',5'-Triacetat... Impurities CS-T-53402 1096020-94-8 Enquire
O6-(2-Hydroxyethyl)-2'-deoxyguanosine Impurities CS-T-56012 111447-35-9 Enquire
S-(2-Hydroxy-5-nitrobenzoyl)-6-thioguanosine Impurities CS-N-00084 41094-07-9 Enquire
α-2’-Deoxyguanosine Impurities CS-T-73139 19916-78-0 Enquire


Intermediates

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
"2',3',5'-Tri-O-acetyl Guanosine" Intermediates CS-T-61872 6979-94-8 In Stock
"2,3-Dideoxyguanosine-5-O-(1- thiotriphosphate)" Intermediates CS-BY-00024 154771-50-3 Enquire
"2,3-Dideoxyguanosine-5-triphosphate" Intermediates CS-BY-00018 68726-28-3 Enquire
"2'-Deoxyguanosine 3',5'-Dibutanoate" Intermediates CS-T-51981 79971-08-7 Enquire
"2-Deoxyguanosine-5-diphosphate, Trisodium salt" Intermediates CS-DU-00016 102783-74-4 Enquire
"2-Isobutyramido Guanosine 2',3',5'-Tris(isobutanoate)" Intermediates CS-T-56791 70337-80-3 Enquire
"7-Allyl-7,8-dihydro-8-oxoguanosine (Loxoribine)" Intermediates CS-T-47561 121288-39-9 Enquire
"8-Bromo-2',3',5'-tri-O-acetylguanosine" Intermediates CS-T-49925 15717-45-0 Enquire
"Guanosine 3',5'-Cyclic Monophosphate Sodium Salt" Intermediates CS-T-55471 40732-48-7 Enquire
"N-Acetyl-2’,3’-O-isopropylidene-guanosine 5’-Acetate" Intermediates CS-T-64264 106743-56-0 Enquire
"N-Acetyl-guanosine 2’,3’,5’-Triacetate 6-(N,N-Diphenylcarba... Intermediates CS-T-65216 112233-75-7 Enquire
1,N(2)-Ethenodeoxyguanosine Intermediates CS-ED-28690 108929-11-9 Enquire
2-(O-Methyl)-Guanosine-5-triphosphate Intermediates CS-BY-00021 61556-44-3 Enquire
2',3',5'-Tri-O-acetyl-2N,2N-dimethyl Guanosine Intermediates CS-T-62198 73196-87-9 Enquire
2',3',5'-Tri-O-benzoyl Guanosine Intermediates CS-T-62252 66048-53-1 Enquire
2’-3’-Dideoxyguanosine Intermediates CS-T-90195 85326-06-3 Enquire
2’-C-ß-Methyl Guanosine Intermediates CS-T-81191 374750-30-8 Enquire
2’-Deoxy-8-(1-pyrenylamino)guanosine Intermediates CS-T-73562 85989-43-1 Enquire
2'-Azido guanosine Intermediates CS-ED-39387 60921-30-4 Enquire
2'-Deoxy-3',5'-di-O-acetylguanosine Intermediates CS-T-51931 69992-10-5 Enquire
2-Deoxy-6-thio Guanosine Intermediates CS-T-52036 789-61-7 Enquire
2'-Deoxy-7-carbaisoguanosine Intermediates CS-ED-39242 103173-80-4 Enquire
2'-Deoxy-8-(9H-fluoren-2-ylamino)-guanosine Intermediates CS-T-51947 73051-69-1 Enquire
2'-Deoxyguanosine Monohydrate Intermediates CS-T-51979 312693-72-4 In Stock
2-Deoxyguanosine-5-monophosphatedisodiumsalthydrate Intermediates CS-DL-00032 33430-61-4 Enquire
2-Deoxyguanosine-5-O-(1-thiotriphosphate) Intermediates CS-BY-00010 80902-28-9 Enquire
2'-Deoxyisoguanosine Intermediates CS-ED-26159 106449-56-3 Enquire
2'-Deoxy-N-ethylguanosine Intermediates CS-T-51946 101803-03-6 Enquire
2'-Deoxypseudoguanosine Intermediates CS-ED-25981 912814-74-5 Enquire
2'-Deoxypseudoisoguanosine Intermediates CS-ED-25980 912814-75-6 Enquire
2'-O-(2-Methoxyethyl)guanosine Intermediates CS-T-57686 473278-54-5 Enquire
2'-O-Methyl Guanosine Intermediates CS-T-58249 2140-71-8 Enquire
3',5',N2-Tri-O-acetyl 2'-Deoxyguanosine Intermediates CS-T-62197 193092-29-4 Enquire
3-Amino-2, 3-dideoxyguanosine Intermediates CS-DU-00009 66323-49-7 Enquire
3'-Amino-3'-deoxyguanosine Intermediates CS-ED-08219 80015-76-5 Enquire
3'-Azido-2',3'-dideoxyguanosine Intermediates CS-ED-39398 66323-46-4 Enquire
3'-O-Methylguanosine Intermediates CS-ED-31539 10300-27-3 Enquire
5-Aza-7-deaza Guanosine Intermediates CS-T-48060 67410-65-5 Enquire
5'-Azido-5'-deoxyguanosine Intermediates CS-ED-12010 42204-44-4 Enquire
5-O-[Bis(4-methoxyphenyl)phenylmethyl]-2-O-(2-methoxyethyl)-... Intermediates CS-T-49368 251647-50-4 Enquire
5'-O-Dmt-2'-o-methylguanosine Intermediates CS-ED-26981 103285-24-1 Enquire
6-O-Methyl Guanosine Intermediates CS-T-58250 7803-88-5 Enquire
7-Aminomethyl-7-deazaguanosine Intermediates CS-ED-40986 66048-70-2 Enquire
7-Ethyl-2'-deoxyguanosine Intermediates CS-T-54424 50704-45-5 Enquire
8-(Allyloxy)guanosine Intermediates CS-T-47569 126138-81-6 Enquire
8-Allyloxy-n2-(dimethylaminomethylidene)-2'-deoxyguanosine Intermediates CS-ED-41250 869354-73-4 Enquire
8-Allyloxy-N2-isobutyryl-2'-deoxyguanosine Intermediates CS-ED-41251 869354-75-6 Enquire
8-Aza-7-deaza-2'-deoxyguanosine Intermediates CS-ED-11847 100644-70-0 Enquire
8-Aza-7-Deaza-2'-deoxyguanosine 3'-CE phosphoramidite Intermediates CS-ED-39406 500891-26-9 Enquire
8-Bromo-2'-deoxyguanosine Intermediates CS-T-49680 13389-03-2 Enquire
9-Deazaguanosine Intermediates CS-T-51649 102731-45-3 Enquire
Guanosine 2',3'-Cyclic Monophosphate Triethylamine Salt Intermediates CS-T-55470 73647-09-3 Enquire
Guanosine 5'-(tetrahydrogen triphosphate) Trisodium Salt Intermediates CS-T-55475 36051-31-7 Enquire
Guanosine, 5'-amino-5'-deoxy- Intermediates CS-ED-39395 4099-84-7 Enquire
Guanosine-3’-monophosphate Disodium Salt Intermediates CS-T-78543 6027-83-4 Enquire
Guanosine-5'-diphosphate disodium salt Intermediates CS-AC-09994 7415-69-2 Enquire
Guanosine-5-O-(1-thiotriphosphate) Intermediates CS-BY-00013 81570-50-5 Enquire
Guanosine-5-triphosphate Intermediates CS-BY-00006 24905-71-3 Enquire
Isoguanosine Triacetate Intermediates CS-T-56810 173098-06-1 Enquire
N2,3-Etheno-2'-deoxy Guanosine Intermediates CS-T-54204 121055-53-6 Enquire
N2-Isobutyryl-2'-O-methylguanosine Intermediates CS-N-00178 63264-29-9 Enquire
N2-Isobutyrylguanosine Intermediates CS-N-00190 64350-24-9 Enquire
N2-Methyl-2’-deoxyguanosine Intermediates CS-O-57739 19916-77-9 Enquire
N2-Phenylacetyl guanosine Intermediates CS-AC-10013 132628-16-1 Enquire
N-Isobutyryl-3'-O-acetyl-2'-deoxyguanosine Intermediates CS-ED-37294 74925-81-8 Enquire
N-Phenyl Guanosine 2',3',5'-Triacetate Intermediates CS-T-60448 53296-13-2 Enquire
O6-(2-Hydroxy-1-methylethyl)-2'-deoxyguanosine Intermediates CS-T-56175 1327339-21-8 Enquire
O6-Benzyl Guanosine Intermediates CS-T-48887 4552-61-8 Enquire
O6-Benzyl-2'-deoxyguanosine Intermediates CS-T-48837 129732-90-7 Enquire
O6-Benzyl-N2,3-etheno Guanosine Intermediates CS-T-48877 108060-84-0 Enquire
O6-Ethyl-2'-deoxyguanosine Intermediates CS-T-54425 50704-46-6 Enquire


Fine Chemicals

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
6-Thioguanosine diphosphate Fine Chemicals CS-ZG-53023 16541-19-8 Enquire
7-Deazaguanosine Fine Chemicals CS-T-51648 62160-23-0 Enquire
8-Aminoguanosine Fine Chemicals CS-T-47842 3868-32-4 Enquire
8-Bromoguanosine Fine Chemicals CS-T-08295 4016-63-1 Enquire
N2-Benzoylguanosine Fine Chemicals CS-T-48724 3676-72-0 Enquire


Building Blocks

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
6-thioguanosine-5'-monophosphate Building Blocks CS-ED-00731 15867-02-4 Enquire
8-Bromoguanosine 3’, 5’ -cyclic monophosphoric acid Building Blocks CS-T-67568 31356-94-2 Enquire
Guanosine 5'-Diphosphate Triammonium Salt Building Blocks CS-T-55473 79441-34-2 Enquire


Pesticide Standards

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
N2-Isobutyryl-2-deoxyguanosine Pesticide Standards CS-BP-00019 68892-42-2 Enquire