C3H4N4O
112.09 g/mol
APIWarning
5-Azacytosine
CAS931-86-2EC213-242-9
Category
API
Compound Class
Heterocycle
Primary Use
Pharmaceutical Raw Material
5-Azacytosine is a monoamino-1,3,5-triazine derivative of cytosine, distinguished by the replacement of the aromatic CH group at position 5 with a nitrogen atom. It is primarily used as an active pharmaceutical ingredient in research and manufacturing processes for antileukemic and antitumor applications.
antileukemic agent in pharmaceutical manufacturingantitumor agent in pharmaceutical manufacturing
Content scope: Information here supports chemical identification and industrial supply, research, and manufacturing contexts. It is not a therapeutic claim, medical advice, or drug-use instructions.
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Related Compounds
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Referencesame scaffold
Hydroxy Atrazine-d5
CAS1276197-25-1
research compound
Referencesame scaffold
4-Amino-6-methyl-1,3,5-triazin-2-ol
CAS16352-06-0
research compound
Safety Reference
Warning
H302Harmful if swallowed
Customs Tariff Classification
The international HS code for 5-Azacytosine (CAS 931-86-2) is 2933.69.
HS code (international, 6-digit)
2933.69
EU CN code (8-digit)
2933 69 80
Classification per the EU customs inventory ECICS (2026-07 snapshot, HS 2022). National tariff lines and product form can affect the final classification.
Identifiers
IUPAC Name
6-amino-1H-1,3,5-triazin-2-one
InChIKey
MFEFTTYGMZOIKO-UHFFFAOYSA-N
SMILES
C1=NC(=O)NC(=N1)N
Synonyms (23)
- 5AZ
- Azacitidine USP Related Compound A
- 2-Hydroxy-4-aminotriazine
- 2-amino-4-hydroxy-s-triazine
- 4-Amino-1,3,5-triazin-2-ol
- 4-Amino-1,3,5-triazin-2-one
- 4-amino-s-triazin-2(1H)-one
- 5-Azacytosine
- Azacitidine Impurity 51
- azacytosine
- s-Triazin-2(1H)-one, 4-amino-
- s-Triazin-2-ol, 4-amino-
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