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Clearsynth is a leading innovator in pharmaceutical reference standards, offering high-quality Reference Standards for Thymidine, including both pharmacopeial and non-pharmacopeial impurities, metabolites, stable isotope products, and nitrosamines (N-NO products). Our Thymidine 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 Thymidine-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.

Thymidine Related Compounds

Stable Isotopes

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
[1',2',3',4',5'-13C5;1,3-15N2]thymidine Stable Isotopes CS-OC-00283 478511-40-9 Enquire
[1'-13C]thymidine Stable Isotopes CS-OC-00282 50-89-5 (unlabeled) Enquire
2,3’-Anhydrothymidine-d3 Stable Isotopes CS-T-102252 Not Available Enquire
3',5'-Dimethanesulfonate Thymidine, Methyl-d3 Stable Isotopes CS-T-99282 Not Available Enquire
3',5'-Di-p-toluate Thymidine-13C,15N2 Stable Isotopes CS-T-102236 Not Available Enquire
3'-[3-(3-Azido-2,3-dideoxy-β-D-erythro-pentofuranosyl)-3,6-d... Stable Isotopes CS-T-101884 Not Available Enquire
3’5’-Di-toluoyl-L-thymidine-d3 (α/β mixture) Stable Isotopes CS-T-102237 Not Available Enquire
3’-b-Thymidine-d3 Stable Isotopes CS-T-102264 Not Available Enquire
3’-Deoxy-3’-fluorothymidine-5’-monophosphate-d3 Disodium Sal... Stable Isotopes CS-T-96605 Not Available Enquire
3’-epi-Azido-3’-deoxythymidine-d3 Stable Isotopes CS-T-101883 Not Available Enquire
3’-O-Methyl Thymidine-d3 Stable Isotopes CS-T-102219 Not Available Enquire
3'-Azido-3'-deoxythymidine-methyl-d3 β-D-glucuronide, Sodium... Stable Isotopes CS-T-93947 133525-01-6 (unlabelled) Enquire
3'-Azido-3'-deoxythymidine-methyl-d3-2,3,4-Tri-O-acetyl-β-D-... Stable Isotopes CS-T-98493 Not Available Enquire
5’-O-Trityl-3’-b-hydroxythymidine-d3 Stable Isotopes CS-T-102257 Not Available Enquire
5'-Azido-5'-deoxythymidine-d3 Stable Isotopes CS-T-102251 Not Available Enquire
5'-O-Benzoyl-2,3'-anhydrothymidine-d3 Stable Isotopes CS-T-101860 Not Available Enquire
5-O-Trityl-3’-deoxy-3’-fluorothymidine-d3 Stable Isotopes CS-T-102258 Not Available Enquire
cis-syn-Thymidine Dimer-13C2 Stable Isotopes CS-T-103084 4472-37-1(Unlabelled) Enquire
N3-Ethylthymidine-d5 Stable Isotopes CS-T-103928 21473-40-5(unlabelled) Enquire
O2-Ethylthymidine-d5 Stable Isotopes CS-T-103926 59495-21-5(unlabelled) Enquire
O4-Ethylthymidine-d5 Stable Isotopes CS-T-103927 59495-22-6(unlabelled) Enquire
Thymidine D3 Stable Isotopes CS-T-62050 74848-84-3 Enquire
Thymidine-1',2',3',4',5' 13C5 Stable Isotopes CS-T-62049 156968-81-9 Enquire
Thymidine-1'-13C Stable Isotopes CS-T-96463 Not Available Enquire
Thymidine-13C,15N2 Stable Isotopes CS-T-96157 50-89-5 (Unlabelled) Enquire
Thymidine-2' 13C Stable Isotopes CS-T-62051 185553-96-2 Enquire
Thymidine-3’-13C Stable Isotopes CS-T-87246 478511-06-7 Enquire
Thymidine-5',5''-D2 Stable Isotopes CS-T-62048 132376-92-2 Enquire
Thymidine-5’-13C Stable Isotopes CS-T-86469 240407-53-8 Enquire
Thymidine-d9 Stable Isotopes CS-T-103564 2376506-62-4 Enquire
Tris(O-tert-Butyldimethylsilyl)-4-(Hydroxymethyl-D2)-2’-thym... Stable Isotopes CS-T-96541 Not Available Enquire


Impurity

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
3′-Azido-3′-deoxythymidine 5′-Monophosphate Sodium Impurity CS-O-60047 128506-29-6 Enquire
3-Azido-3-deoxy-5-O-triphenylmethylthymidine Impurity CS-O-31634 29706-84-1 Enquire


Fine Chemicals

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
5-O-Tritylthymidine Fine Chemicals CS-MM-11918 7791-71-1 Enquire


Carbohydrates

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
S4-(2-Cyanoethyl)-5'-O-(dimethoxytrityl)-4-thiothymidine Carbohydrates CS-O-60612 142409-74-3 Enquire


MISCELLANEOUS

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
5'-O-(Dimethoxytrityl)-N3-(toluoyl)-2-thiothymidine MISCELLANEOUS CS-O-60570 156783-21-0 Enquire


Nucleic Acid

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
3'-Deoxythymidine Nucleic Acid CS-ED-42028 3416-05-5 Enquire