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

Cytidine Related Compounds

Stable Isotopes

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
[1',2',3',4',5'-13C5]cytidine Stable Isotopes CS-OC-00292 65-46-3 (unlabeled) Enquire
[1'-D]2'-deoxycytidine monohydrate Stable Isotopes CS-OC-00287 951-77-9 (unlabeled) Enquire
[1'-D]cytidine Stable Isotopes CS-OC-00286 65-46-3 (unlabeled) Enquire
2’,3’,5’-Tri-O-(4-chlorobenzoyl) 5-Azacytidine-15N4 Stable Isotopes CS-T-102259 Not Available Enquire
2’,3’-Di-O-acetyl-5’-deoxy-5-fluoro-N4-(pentoxy-d11-carbonxy... Stable Isotopes CS-T-102239 Not Available Enquire
2’-Deoxycytidine 5’-Triphosphate-13C,15N2 Triethylamine Stable Isotopes CS-T-96610 Not Available Enquire
2’-Deoxycytidine-1’-13C Monohydrate Stable Isotopes CS-T-74073 478510-83-7 Enquire
2’-O-Methyl-d3 Cytidine Stable Isotopes CS-T-102978 2140-72-9(Unlabelled) Enquire
2'-Deoxy Cytidine-13C, 15N Stable Isotopes CS-T-95687 951-77-9(Unalabelled) Enquire
2'-Deoxy Isocytidine-5',5'-d2 Monohydrate Stable Isotopes CS-T-51993 478511-25-0 Enquire
2'-Deoxy-5-formyl-cytidine-1,3-15N2,2-13C Stable Isotopes CS-T-100542 Not Available Enquire
2-DEOXYCYTIDINE H2O (DEOXYRIBOSE-2-13C) Stable Isotopes CS-R-00239 478511-23-8 Enquire
2-Deoxycytidine-15N3 Stable Isotopes CS-R-00232 951-77-9 (Unlabeled) In Stock
2'-Deoxycytidine-2'-13C Stable Isotopes CS-T-95686 185553-94-0 Enquire
2'-Deoxycytidine-5',5''-d2 Stable Isotopes CS-T-96611 781609-71-0 Enquire
2'-Deoxy-N-methyl-cytidine-d3 Stable Isotopes CS-T-100541 Not Available Enquire
3',5'-Bis(4-methylbenzoate) 2'-Deoxycytidine-13C,15N2 Stable Isotopes CS-T-102614 C2413CH25N15N2O6 Enquire
3,N4-Etheno-2’-deoxycytidine-13C,15N2 Stable Isotopes CS-T-101426 Not Available Enquire
3’,5’-Di-p-toluoyl-2’-deoxycytidine-d3 Stable Isotopes CS-T-100374 Not Available Enquire
3-Methyl Cytidine-d3 Methosulfate-d3 Stable Isotopes CS-T-102271 Not Available Enquire
4-(1,2,4-Triazolyl)-3’5’-di-O-4-toluoyl-5-methyl-2’-deoxycyt... Stable Isotopes CS-T-102261 Not Available Enquire
4-(1,2,4-Triazolyl)-3’5’-di-O-p-toluoyl-2’-deoxycytidine-13C... Stable Isotopes CS-T-96457 Not Available Enquire
4'-C-(Chloromethyl)-2'-deoxy-2'-fluoro-cytidine 3',5'-Bis(2-... Stable Isotopes CS-T-100641 Not Available Enquire
5-(Hydroxymethyl)-2’-deoxycytidine-d3 Stable Isotopes CS-T-96542 Not Available Enquire
5’-Carboxyl-2'-deoxycytidine-13C,15N2 Stable Isotopes CS-T-102248 Not Available Enquire
5’-Deoxy-2’,3’-O-isopropylidene-4-thio-5-fluorocytidine-13C,... Stable Isotopes CS-T-102240 Not Available Enquire
5’-Deoxy-2’,3’-O-isopropylidene-5-fluorocytidine-13C,15N2 Stable Isotopes CS-T-102242 Not Available Enquire
5’-Formyl-2’-deoxy Cytidine-13C,15N2 Stable Isotopes CS-T-102234 Not Available Enquire
5’-Deoxy-5-fluorocytidine-13C,15N2 Stable Isotopes CS-T-95688 66335-38-4 (Unlabelled) Enquire
5-Aza-2’-deoxy Cytidine-15N4 Stable Isotopes CS-T-95799 2353-33-5 (unlabeled) Enquire
5-Aza-2'-deoxy Cytidine-15N4 5'-Monophosphate Stable Isotopes CS-T-96636 Not Available Enquire
5-Azacytidine-15N4 Stable Isotopes CS-T-96638 320-67-2 (Unlabelled) Enquire
5-Azacytidine-15N4 5'-Monophosphate Stable Isotopes CS-T-96637 2226-72-4 (Unlabelled) Enquire
5-Hydroxy-2’-deoxycytidine-13C,15N2 Stable Isotopes CS-T-96540 Not Available Enquire
5-Hydroxymethylcytidine-13C,D2 Stable Isotopes CS-T-101288 Not Available Enquire
5-Methyl-2’-deoxy Cytidine-13C,15N2 Stable Isotopes CS-T-102270 838-07-3(Unlabelled) Enquire
5-Methylcytidine-13CD3 Stable Isotopes CS-T-101126 2140-61-6(Unlabelled) Enquire
5-Methylcytidine-13CD3 5'-Triphosphate Trisodium Salt Stable Isotopes CS-T-101125 Not Available Enquire
6-Amino-5-azacytidine-15N3 Stable Isotopes CS-T-96653 Not Available Enquire
Beta-D-N4-Hydroxycytidine-d2 Stable Isotopes CS-O-39173 1955549-12-8 In Stock
Cytidine 5’-Diphosphate Ethanolamine-d4 Stable Isotopes CS-T-96616 Not Available Enquire
cytidine 5'-monophospho-β-N-acetyl-D-[1,2,3-13C3]neuraminic ... Stable Isotopes CS-OC-00271 37399-47-6(Free base)(Unlabelled) Enquire
Cytidine- 5'-triphosphate -1',2',3',4',5'-13C5 Triethylamine... Stable Isotopes CS-T-103054 200258-75-9(Freebase) Enquire
CYTIDINE RIBOSE-2-13C Stable Isotopes CS-R-00293 478511-19-2 Enquire
CYTIDINE RIBOSE-5,5-D2 Stable Isotopes CS-R-00294 478511-21-6 Enquire
Cytidine-1',2',3',4',5'-13C5 Stable Isotopes CS-T-95684 159496-15-8 Enquire
Cytidine-1’-13C Stable Isotopes CS-T-73935 201996-57-8 Enquire
Cytidine-13C5 5'-Monophosphate Triethylammonium Salt Stable Isotopes CS-T-96615 Not Available Enquire
Cytidine-13C9,15N3 5′-triphosphate sodium Stable Isotopes CS-O-53275 ---- Enquire
Cytidine-5',5''-d2 Stable Isotopes CS-T-96617 Not Available Enquire
N4-Hydroxycytidine-13C,15N2 Stable Isotopes CS-O-40149 3258-02-4 (Unlabelled) In Stock
O-TBS 2'-Deoxy-N-methyl-cytidine-d3 Stable Isotopes CS-T-102544 Not Available Enquire
β-D -N4 -Hydroxycytidine 13C5 Stable Isotopes CS-O-40140 1955549-11-7 Enquire


API

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
5-Azacytidine API CS-O-10043 320-67-2 In Stock
Cytidine API CS-EK-02280 65-46-3 In Stock
Cytidine 5'-Monophosphate Disodium API CS-CA-00206 6757-06-8 In Stock
Cytidine Diphosphate Ethanolamine API CS-AD-00772 3036-18-8 Enquire


Metabolite

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
2'-Deoxycytidine Metabolite CS-EK-01142 951-77-9 In Stock
5′-Deoxy-5-fluorocytidine Metabolite CS-O-03395 66335-38-4 In Stock


Impurity

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
2',3'-di-O-acetyl-5'-deoxy-5-fluoro-N4-(n-dipentyloxy carbon... Impurity CS-O-57783 ---- Enquire
2',3'-Di-O-acetyl-5'-deoxy-5-fluoro-N4-(pentoxycarbonxyl)cyt... Impurity CS-T-52379 162204-20-8 In Stock
2',3'-Isopropylidenecytidine Sulfate Impurity CS-EO-03706 1955522-00-5 Enquire
2',3'-O-(1-Methylethylidene)Cytidine 5'-(2-Methylpropanoate) Impurity CS-O-40086 1686124-74-2 In Stock
5-Fluoro-N-[(pentyloxy)carbonyl]cytidine Impurity CS-O-48859 396684-42-7 Enquire
Beta-d-N4-hydroxycytidine Impurity CS-O-38588 3258-02-4 In Stock
Cytidine 2'-monophosphate Impurity CS-O-60595 81487-28-7 Enquire
Cytidine 3'-monophosphate Impurity CS-O-60594 84-52-6 Enquire
Cytidine-5’-dihydrogenphosphate Impurity CS-ED-41619 Not Available Enquire
Cytidine-5-Monophospahte Methyl Ester Sodium salt Impurity CS-EO-03606 52448-10-9 (Freebase) Enquire
P1-Cytidine-5'-P4-Uridine-5'-Tetraphosphate Tetrasodium Impurity CS-O-59712 401618-90-4 Enquire
(-)-ß-D-Dioxolane-5-fluoro Cytidine Impurity CS-T-20834 145397-26-8 Enquire
2',3'-O-Isopropylidenecytidine Impurity CS-O-39215 362-42-5 Enquire
2'-O-Methyl Cytidine Impurity CS-T-58062 2140-72-9 Enquire
5'-Deoxy-5-fluoro-N4-(2-methyl-1-butyloxy-carbonyl)cytidine ... Impurity CS-O-36315 Not Available Enquire
5-Methyl-2-deoxy Cytidine Impurity CS-T-33543 838-07-3 Enquire
Cytarabine Impurity 19 Impurity CS-P-08848 13913-16-1 Enquire
Cytidine 5′-Monophosphate Methyl Ester Impurity CS-O-16831 Not Available Enquire
CYTIDINE TETRAACETATE Impurity CS-ED-02089 5040-18-6 Enquire
N4 Hydroxycytidine triphosphate Impurity CS-ED-02203 34973-27-8 Enquire
Sofosbuvir Benzoyl Cytidine Impurity CS-O-32142 817204-32-3 Enquire


Intermediate

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
5-Methylcytidine Intermediate CS-T-58069 2140-61-6 In Stock
Cytidine 3(2)-Monophosphate Intermediate CS-T-51555 1217470-60-4 Enquire
Cytidine Diphosphate Ethanolamine Intermediate CS-P-00892 3036-18-8 In Stock


Biochemicals

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Cytidine-5-Monophosphate (5-CMP) 99% Biochemicals CS-SR-00279 63-37-6 Enquire


Carbohydrates

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
2'-Deoxypseudoisocytidine Carbohydrates CS-O-60554 65358-18-1 Enquire
5-Hydroxymethylcytidine Carbohydrates CS-T-56184 19235-17-7 Enquire
N4-Benzoyl-5’-O-(4,4-dimethoxytrityl)-3’-deoxy cytidine Carbohydrates CS-O-60629 86234-45-9 Enquire
N4-Benzoyl-5'-O-DMT-2'-O-methylcytidine 3'-CE phosphoramidit... Carbohydrates CS-T-94043 163759-94-2 Enquire


Stable Isotope Reagent

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
N4-Acetylcytidine-13C5 Stable Isotope Reagent CS-T-95751 3768-18-1(Unlabelled) Enquire


Therapeutic

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
2,3-Dideoxycytidine Therapeutic CS-O-01403 7481-89-2 In Stock