5-Azacytosine

Name: 5-Azacytosine
Brand: Vaqora Chemicals
SKU: VQ-021203

About 5-Azacytosine

Listed under CAS 931-86-2, 5-Azacytosine is an impurity of Azacitidine available from Vaqora Chemicals. With the molecular formula C3H4N4O, it has a molar mass of 112.09 g/mol. Systematically, it is named 6-amino-1H-1,3,5-triazin-2-one. Alternative names: 1,3,5-Triazin-2(1H)-one, 4-amino- and 6-Amino-1,3,5-triazin-2(1H)-one.

It is supplied as a solid. Store the standard in its sealed vial, protected from light and moisture, and follow the storage condition printed on the COA. The GHS classification uses the signal word “Warning”, so appropriate gloves, eye protection and ventilation are recommended.

As a characterised impurity of Azacitidine, it is used for analytical method development, method validation (AMV) and routine quality-control testing, and it supports ANDA and DMF regulatory filings. It is used across pharmaceutical manufacturing and academic and industrial research.

Vaqora Chemicals supplies 5-Azacytosine in 10 mg, 25 mg, 50 mg and 100 mg packs, each shipped with a Certificate of Analysis (COA), and exports worldwide.

Typical applications

Analytical method development
Method validation (AMV)
QC release testing
ANDA / DMF filings

Industries

Related to Azacitidine

View every impurity, metabolite and intermediate we list for Azacitidine.

Azacitidine impurities

Specifications & identifiers

Chemical identifiers
Product name	5-Azacytosine
Catalogue No.	VQ-021203
CAS Number	931-86-2
IUPAC name	6-amino-1H-1,3,5-triazin-2-one
Molecular formula	C₃H₄N₄O
Molecular weight	112.09 g/mol
Exact mass	112.0385
Grade	Reference Standard
HSN code	38229090
InChIKey	MFEFTTYGMZOIKO-UHFFFAOYSA-N
SMILES	C1=NC(=O)NC(=N1)N
PubChem CID	19956

Physical properties
Physical form	Solid
LogP (XLogP3)	-1.2
H-bond donors / acceptors	2 / 1
TPSA	79.8 Å²
Synonyms	1,3,5-Triazin-2(1H)-one, 4-amino-, 6-Amino-1,3,5-triazin-2(1H)-one, 4-Amino-1,3,5-triazin-2(1H)-one, s-Triazin-2-ol, 4-amino-, s-Triazin-2(1H)-one, 4-amino-, 4-Amino-1,3,5-triazin-2-ol, 4-Amino-1,3,5-triazin-2-one, 2-amino-4-hydroxy-s-triazine, 2-Amino-4-hydroxy-1,3,5-triazine, 2-Hydroxy-4-aminotriazine, 2-Amino-4-hydroxy-sym-triazine

Safety & hazard information (GHS)

Harmful / irritant

Signal word: Warning

Hazard statements

H302Harmful if swallowed

Precautionary statements: P264, P270, P301 + P317, P330, P501

Classification is indicative (aggregated GHS notifications) and may vary by grade and concentration. Always refer to the SDS supplied with your lot.

Documents

Safety Data Sheet (SDS)16-section GHS · on request Certificate of AnalysisTypical / batch COA · on request Specification sheetTDS / MOA · on request

Frequently asked questions

What is the CAS number of 5-Azacytosine?

The CAS Registry Number of 5-Azacytosine is 931-86-2. It is also known as 1,3,5-Triazin-2(1H)-one, 4-amino-, 6-Amino-1,3,5-triazin-2(1H)-one, 4-Amino-1,3,5-triazin-2(1H)-one.

What is the molecular formula and molecular weight of 5-Azacytosine?

5-Azacytosine has the molecular formula C3H4N4O and a molecular weight of 112.09 g/mol. Its IUPAC name is 6-amino-1H-1,3,5-triazin-2-one.

What is 5-Azacytosine used for?

5-Azacytosine is supplied as a characterised reference material related to Azacitidine. It is used for analytical method development and validation (AMV), impurity profiling, stability studies and quality control, and in ANDA/DMF regulatory filings.

Which grade and pack sizes of 5-Azacytosine can I order?

We supply 5-Azacytosine in Reference Standard grade, in 10 mg, 25 mg, 50 mg, 100 mg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with 5-Azacytosine?

Yes. Every lot of 5-Azacytosine is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.

Can 5-Azacytosine be shipped internationally?

Yes. 5-Azacytosine is classified as hazardous, so it is packed in UN-approved packaging and shipped as dangerous goods under IATA/IMDG rules. We export worldwide on EXW, FOB, CIF and DAP terms.