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Cytosine Related Products


SynZeal is a leading innovator in pharmaceutical reference standards. We supply high-quality Reference Standards of Cytosine, pharmacopeial and non-pharmacopeial Cytosine impurities, metabolites, stable isotope products, and nitrosamines (N-NO products). Cytosine impurities reference standards are useful in pharmaceutical research. They are useful in product development, ANDA and DMF filing, quality control (QC), method validation, and stability studies. It is also useful in the identification of unknown impurities and the assessment of genotoxic potential.

Cytosine-related products are thoroughly characterized. Cytosine products are supplied with detailed COA & analytical data meeting regulatory compliance. We can also provide EP/USP traceable standards based on your requirements. The supplied products are re-tested at regular intervals.

Pharmaceutical Reference Standards

Flucytosine

Picture of Flucytosine
SZ CAT No:: SZ-C045001
CAS No: 2022-85-7
Mol.F.: C4H4FN3O
Mol.Wt.: 129.1
Inv. Status: In Stock

Flucytosine EP Impurity A

Picture of Flucytosine EP Impurity A
SZ CAT No:: SZ-C045002
CAS No: 51-21-8
Mol.F.: C4H3FN2O2
Mol.Wt.: 130.1
Inv. Status: In Stock

Flucytosine EP Impurity B

Picture of Flucytosine EP Impurity B
SZ CAT No:: SZ-C045003
CAS No: 56177-80-1
Mol.F.: C6H7FN2O2
Mol.Wt.:  158.1
Inv. Status: In Stock

5-Hydroxycytosine

Picture of 5-Hydroxycytosine
SZ CAT No:: SZ-C045008
CAS No: 13484-95-2
Mol.F.: C4H5N3O2
Mol.Wt.: 127.1
Inv. Status: Custom Synthesis

Flucytosine Impurity 1

Picture of Flucytosine Impurity 1
SZ CAT No:: SZ-C045004
CAS No: 1801-06-5
Mol.F.: C5H4ClFN2O
Mol.Wt.: 162.5
Inv. Status: Custom Synthesis

Flucytosine Impurity 2

Picture of Flucytosine Impurity 2
SZ CAT No:: SZ-C045005
CAS No: 2927-71-1
Mol.F.: C4HCl2FN2
Mol.Wt.: 167.0
Inv. Status: Custom Synthesis

Flucytosine Impurity 3

Picture of Flucytosine Impurity 3
SZ CAT No:: SZ-C045006
CAS No: 6128-06-9
Mol.F.: C5H6N2O2
Mol.Wt.: 126.1
Inv. Status: Custom Synthesis

Flucytosine Impurity 4

Picture of Flucytosine Impurity 4
SZ CAT No:: SZ-C045007
CAS No: 1353100-75-0
Mol.F.: C6H4FN3O
Mol.Wt.: 153.1
Inv. Status: Custom Synthesis

Stable Isotopes and Metabolites

Flucytosine-13C-15N2

Picture of Flucytosine-13C-15N2
SZ CAT No:: SZ-C045D01
CAS No: 1216616-31-7
Mol.F.: C313CH4FN15N2O
Mol.Wt.: 132.1
Inv. Status: Custom Synthesis
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