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

Uridine Related Compounds

Stable Isotopes

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
[1'-13C]uridine 5'-monophosphate (disodium salt) Stable Isotopes CS-OC-00045 3387-36-8 (unlabeled) Enquire
[1'-D]2'-deoxyuridine Stable Isotopes CS-OC-00291 951-78-0 (unlabeled) Enquire
[1'-D]uridine Stable Isotopes CS-OC-00290 58-96-8 (unlabeled) Enquire
[5',5''-D2]uridine 5'-monophosphate (disodium salt) Stable Isotopes CS-OC-00044 3387-36-8 (unlabeled) Enquire
1’-Epi 3,5-Dibenzoate-2,2-difluorouridine-13C,15N2 Stable Isotopes CS-T-96578 Not Available Enquire
2’,3’,5’-Tri-O-benzoyl-5-fluorouridine-13C,15N2 Stable Isotopes CS-T-102260 Not Available Enquire
2’,3’-O-Isopropylidene-5-fluorouridine-13C,15N2 Stable Isotopes CS-T-102273 Not Available Enquire
2’-Deoxy L-Uridine-13C,15N2 Stable Isotopes CS-T-96596 Not Available Enquire
2’-Deoxy-3’,5’-di-O-p-toluoyl Uridine-13C,15N2 Stable Isotopes CS-T-102246 Not Available Enquire
2’-Deoxyuridine-1’-13C Stable Isotopes CS-T-73952 478510-85-9 Enquire
2’-Deoxyuridine-2’-13C Stable Isotopes CS-T-73574 478510-87-1 Enquire
2-Deoxyuridine-1,2,3,4,5 13C5 Stable Isotopes CS-T-52050 478510-94-0 Enquire
2-Deoxyuridine-3 13C Stable Isotopes CS-T-52048 478510-89-3 Enquire
2-Deoxyuridine-5 13C Stable Isotopes CS-T-52049 478510-91-7 Enquire
2'-Deoxyuridine-5',5''-d2 Stable Isotopes CS-T-52051 478511-30-7 Enquire
2'-Fluoro-2'-deoxyuridine-2-13C, 1,3-15N2 Stable Isotopes CS-T-101383 Not Available Enquire
2'-O-Methyl Uridine-d3 Stable Isotopes CS-T-102921 2140-76-3(Unlabelled) Enquire
3,5-Dibenzoate-2,2-difluorouridine-13C,15N2 Stable Isotopes CS-T-96592 Not Available Enquire
3,5-Di-O-p-chlorobenzoyl a,b-Floxuridine-13C,15N2 Stable Isotopes CS-T-101557 Not Available Enquire
3,5-Di-O-p-chlorobenzoyl a-Floxuridine-13C,15N2 Stable Isotopes CS-T-101555 Not Available Enquire
3,5-Di-O-p-chlorobenzoyl Floxuridine-13C,15N2 Stable Isotopes CS-T-101556 Not Available Enquire
5-​(Bromomethyl-13C,d2)-​4-​O-​methyl-​uridine 2',​3',​5'-​T... Stable Isotopes CS-T-100701 Not Available Enquire
5-​(Methyl-13C,d3)-​4-​O-​methyl-​uridine 2',​3',​5'-​Triben... Stable Isotopes CS-T-100024 Not Available Enquire
5’-Deoxy-2’,3’-O-isopropylidene-5-fluorouridine-13C,15N2 Stable Isotopes CS-T-102241 Not Available Enquire
5’-Deoxy-5’-iodo-2’,3’-O-isopropylidene-5-fluorouridine-13C,... Stable Isotopes CS-T-102243 Not Available Enquire
5’-Deoxy-5’-iodo-5-fluorouridine-13C,15N2 , >95% Stable Isotopes CS-T-102244 Not Available Enquire
5’-Deoxyfluorouridine-13C,15N2 Stable Isotopes CS-T-102245 Not Available Enquire
5-Ethyl-2'-deoxyuridine-d5 Stable Isotopes CS-T-95264 15176-29-1 (Unlabelled) Enquire
5-Ethynyl-2’-deoxyuridine-d1 Stable Isotopes CS-T-96572 Not Available Enquire
5-Methyluridine-1 13C Stable Isotopes CS-T-58806 201996-60-3 Enquire
5-Methyluridine-1,2,3,4,5 13C5 Stable Isotopes CS-T-58810 159496-17-0 Enquire
5-Methyluridine-2 13C Stable Isotopes CS-T-58807 478510-98-4 Enquire
5-Methyluridine-3 13C Stable Isotopes CS-T-58808 478511-00-1 Enquire
5-Methyluridine-5 13C Stable Isotopes CS-T-58809 478511-02-3 Enquire
Doxifluridine-13C5 Stable Isotopes CS-T-103652 3094-09-5(unlabelled) Enquire
Fialuridine-15N2,13C Stable Isotopes CS-T-96362 Not Available Enquire
Tetrahydro Uridine-d3 Stable Isotopes CS-O-16649 18771-50-1(Unlabeled) In Stock
Uridine- 13C9, 15N2 Stable Isotopes CS-T-103285 202406-84-6 Enquire
Uridine 5’-Diphosphate-13C,15N2 Stable Isotopes CS-T-101980 Not Available Enquire
Uridine 5’-Diphosphate-13C,15N2 Ammonium Salt Stable Isotopes CS-T-103103 58-98-0 (Unlabelled) (freebase) Enquire
Uridine 5’-Diphospho-N-acetylglucosamine-13C,d3 Stable Isotopes CS-T-96450 Not Available Enquire
Uridine 5′-Monophosphomorpholidate 4-Morpholine-N,N′-dicyclo... Stable Isotopes CS-T-102622 24558-91-6(Unlabelled) Enquire
Uridine Diphosphate-a-D-galactose Disodium Salt-13C6 Stable Isotopes CS-T-96449 Not Available Enquire
uridine diphosphate-α-D-[1,2,3-13C3]galactose (disodium salt... Stable Isotopes CS-OC-00273 137868-52-1 (unlabeled) Enquire
uridine diphosphate-α-D-[1,2,3-13C3]glucose (disodium salt) Stable Isotopes CS-OC-00047 28053-08-9 (unlabeled) Enquire
uridine diphosphate-α-D-[1-13C]galactose (disodium salt) Stable Isotopes CS-OC-00538 137868-52-1 (unlabeled) Enquire
uridine diphosphate-α-D-[1-13C]glucose (disodium salt) Stable Isotopes CS-OC-00048 478529-38-3 Enquire
uridine diphosphate-α-D-[UL-13C6]galactose (disodium salt) Stable Isotopes CS-OC-00272 137868-52-1 (unlabeled) Enquire
uridine diphosphate-α-D-[UL-13C6]glucose (disodium salt) Stable Isotopes CS-OC-00046 28053-08-9 (unlabeled) Enquire
uridine diphosphate-α-N-[1,2-13C2]acetyl-D-glucosamine (diso... Stable Isotopes CS-OC-00275 91183-98-1 (unlabeled) Enquire
uridine diphosphate-α-N-acetyl-D-[1-13C]glucosamine (disodiu... Stable Isotopes CS-OC-00539 91183-98-1 (unlabeled) Enquire
uridine diphosphate-α-N-acetyl-D-[UL-13C6]glucosamine (disod... Stable Isotopes CS-OC-00274 91183-98-1 (unlabeled) Enquire
Uridine triacetate 13C915N Stable Isotopes CS-O-51258 4105-38-8 (Unlabelled) Enquire
Uridine-13C,15N2 2',​3',​5'-​Tribenzoate Stable Isotopes CS-T-98697 2082749-94-6 Enquire
Uridine-13C5 5’-Monophosphate Disodium Salt Stable Isotopes CS-T-96447 Not Available Enquire
URIDINE-13C9 5'-TRIPHOSPHATE DISODIUM Stable Isotopes CS-O-53366 ---- Enquire
URIDINE-13C9 5'-TRIPHOSPHATE, SODIUM Stable Isotopes CS-O-53296 1261286-85-4(Free Salt) Enquire
Uridine-13C9,15N2 5′-triphosphate disodium salt Stable Isotopes CS-BX-03043 ---- Enquire
URIDINE-13C9,15N2 5'-MONOPHOSPHATE Stable Isotopes CS-O-53294 202406-72-2 Enquire
Uridine-15N2 Stable Isotopes CS-T-103286 92487-68-8 Enquire
Uridine-3’,5’-cyclic-13C5 Monophosphate Sodium Salt Stable Isotopes CS-T-96448 Not Available Enquire


API

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Cedazuridine API CS-ED-42360 1141397-80-9 Enquire
Doxifluridine API CS-O-07516 3094-09-5 In Stock
Trifluridine API CS-O-02458 70-00-8 In Stock
Uridine triacetate API CS-O-51257 4105-38-8 Enquire


Impurity

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
(2'S)-2'-Deoxy-2'-fluoro-5-ethynyluridine Impurity CS-T-51952 95740-26-4 Enquire
2,2-Difluoro-2-deoxyuridine Impurity CS-T-52849 114248-23-6 In Stock
2,2-O-Cyclouridine Impurity CS-DA-00552 3736-77-4 In Stock
5′-Fluorodeoxyuridine Impurity CS-O-46721 38817-29-7 Enquire
5-Methyl-L-uridine Impurity CS-O-53006 26879-47-0 Enquire
Beta-Pseudouridine Impurity CS-T-60676 1445-07-4 In Stock
Doxifluridine Related Compound A Impurity CS-O-05553 ---- Enquire
P1-Cytidine-5'-P4-Uridine-5'-Tetraphosphate Tetrasodium Impurity CS-O-59712 401618-90-4 Enquire
Uridine 5′-diphosphoglucuronic acid ammonium salt Impurity CS-BX-02712 43195-60-4 Enquire
Uridine 5'-Diphospho-N-acetylglucosamine Disodium Salt Impurity CS-T-62656 91183-98-1 Enquire
Uridine 5'-Monophosphate Disodium Salt Impurity CS-T-62662 3387-36-8 Enquire
Uridine 5'-Triphosphate Trisodium Impurity CS-N-00301 19817-92-6 Enquire
Uridine Diphosphate Choline Impurity CS-P-00891 99492-83-8 Enquire
Uridine Diphosphate Choline (UDPC) Sodium Salt Impurity CS-O-48560 1772607-47-2 Enquire
Uridine Diphosphate Choline Ammonium Salt Impurity CS-O-50964 99492-83-8(Freebase) Enquire
Uridine Impurity 12 Impurity CS-O-58409 108274-04-0 Enquire
Uridine Impurity 16 Impurity CS-O-58411 1221169-70-5 Enquire
Uridine Impurity 17 Impurity CS-O-58412 146426-20-2 Enquire
Uridine Impurity 18 Impurity CS-O-58418 ---- Enquire
Uridine Impurity 20 Impurity CS-O-58420 ---- Enquire
Uridine-5'-Diphosphate Disodium Impurity CS-T-88086 27821-45-0 Enquire


Intermediate

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Uridine 5-monophosphate Intermediate CS-CA-00207 58-97-9 In Stock


Glucuronide

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Uridine 5'-diphosphoglucuronic acid trisodium Glucuronide CS-EC-00021 63700-19-6 In Stock


Fine Chemicals

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
2’-Deoxyuridine Fine Chemicals CS-O-00244 951-78-0 In Stock
Uridine Fine Chemicals CS-M-57724 58-96-8 In Stock


Carbohydrates

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
[1,3-15N2]-2'-deoxyuridine Carbohydrates CS-OC-00303 951-78-0 (unlabeled) Enquire
2'-Deoxypseudouridine Carbohydrates CS-O-60552 39967-60-7 Enquire
5-(isopentenylaminomethyl)-2'-O-methyluridine Carbohydrates CS-O-58421 872710-80-0 Enquire
5'-O-(Dimethoxytrityl)-5-fluoro-o4-(2,4,6-trimethylphenyl)-2... Carbohydrates CS-O-60609 141120-64-1 Enquire
5'-O-(Dimethoxytrityl)-5-methyl-3'-deoxyuridine Carbohydrates CS-O-60611 114551-15-4 Enquire
Hydroxywybutosine Carbohydrates CS-O-58419 945684-11-7 Enquire
uridine diphosphate-α-N-acetyl-D-[15N]glucosamine, disodium ... Carbohydrates CS-OC-00276 Not Available Enquire


Nucleic Acid

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
DMT-2'-OMe-Pseudouridine Nucleic Acid CS-O-52206 199737-09-2 Enquire
DMT-2'-O-TBDMS-N1-Me-Pseudouridine-CE Nucleic Acid CS-O-52204 875302-45-7 Enquire
DMT-2'-O-TBDMS-Pseudouridine Nucleic Acid CS-O-52205 163496-23-9 Enquire
N1-Me-Pseudouridine Nucleic Acid CS-O-52199 13860-38-3 Enquire
N1-MethylpseudoUridine-5'-Triphosphate Nucleic Acid CS-O-50313 1428903-59-6 Enquire


Stable Isotope Reagent

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
[1' 13C]Uridine Stable Isotope Reagent CS-T-62647 201996-62-5 Enquire
[1',2',3',4',5' 13C5]Uridine Stable Isotope Reagent CS-T-62653 159496-16-9 Enquire
[2' 13C]Uridine Stable Isotope Reagent CS-T-62649 478511-11-4 Enquire
[3' 13C]Uridine Stable Isotope Reagent CS-T-62650 478511-14-7 Enquire
[5' 13C]Uridine Stable Isotope Reagent CS-T-62652 478511-16-9 Enquire
Uridine-[5',5'-D2] Stable Isotope Reagent CS-T-62654 82740-98-5 Enquire
Uridine-5,6-d2 Stable Isotope Reagent CS-T-62648 40632-21-1 In Stock


Therapeutic

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Tetrahydrouridine Therapeutic CS-O-05908 18771-50-1 In Stock