4(3H)-Pyrimidnone, 98%

Name: 4(3H)-Pyrimidnone, 98%
Brand: Vaqora Chemicals
SKU: VQ-011941

About 4(3H)-Pyrimidnone, 98%

Listed under CAS 4562-27-0, 4(3H)-Pyrimidnone is a diazine derivative available from Vaqora Chemicals at a purity of ≥98%. With the molecular formula C4H4N2O, it has a molar mass of 96.09 g/mol. Systematically, it is named 1H-pyrimidin-6-one. Common synonyms include 4(3H)-Pyrimidone and 4-Hydroxypyrimidine.

The product is provided as a powder. Reported physical data include a melting point of 164-169 °C. Keep the material at 2–8 °C and protect it from moisture. Under GHS it is labelled “Warning”, so handle it with suitable PPE and consult the SDS.

Key uses span catalysis and polymer and resin production. Buyers come mainly from pharmaceutical manufacturing, academic and industrial research and polymers and plastics.

Available in 1 g, 5 g and 100 g packs, 4(3H)-Pyrimidnone is dispatched with a Certificate of Analysis (COA) to destinations worldwide.

Typical applications

Catalysis
Polymer & resin production

Industries

Specifications & identifiers

Chemical identifiers
Product name	4(3H)-Pyrimidnone, 98%
Catalogue No.	VQ-011941
CAS Number	4562-27-0
IUPAC name	1H-pyrimidin-6-one
Molecular formula	C₄H₄N₂O
Molecular weight	96.09 g/mol
Exact mass	96.0324
Purity / assay	≥98%
HSN code	29420090
InChIKey	DNCYBUMDUBHIJZ-UHFFFAOYSA-N
SMILES	C1=CN=CNC1=O
PubChem CID	20695

Physical properties
Physical form	Powder
Appearance	Powder
Melting point	164-169 °C
LogP (XLogP3)	-1.4
H-bond donors / acceptors	1 / 2
TPSA	41.5 Å²
Storage	2–8 °C
Synonyms	4(3H)-Pyrimidone, 4-Hydroxypyrimidine, 4-Pyrimidinol, 4-Pyrimidinone, 4-Pyrimidone, Deaminoisocytosine, 4-Oxopyrimidine, 4-OH-P, pyrimidin-4-ol, pyrimidin-4(3H)-one, pyrimidin-4(1H)-one, 3,4-dihydropyrimidin-4-one

Safety & hazard information (GHS)

Harmful / irritant

Signal word: Warning

Hazard statements

H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation

Precautionary statements: P261, P264, P264 + P265, P271, P280, P302 + P352, P304 + P340, P305 + P351 + P338, P319, P321, P332 + P317, P337 + P317, P362 + P364, P403 + P233, P405, 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 4(3H)-Pyrimidnone, 98%?

The CAS Registry Number of 4(3H)-Pyrimidnone, 98% is 4562-27-0. It is also known as 4(3H)-Pyrimidone, 4-Hydroxypyrimidine, 4-Pyrimidinol.

What is the molecular formula and molecular weight of 4(3H)-Pyrimidnone, 98%?

4(3H)-Pyrimidnone, 98% has the molecular formula C4H4N2O and a molecular weight of 96.09 g/mol. Its IUPAC name is 1H-pyrimidin-6-one.

Which grade and pack sizes of 4(3H)-Pyrimidnone, 98% can I order?

We supply 4(3H)-Pyrimidnone, 98% in (≥98%) grade, in 1 g, 5 g, 100 g packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with 4(3H)-Pyrimidnone, 98%?

Yes. Every lot of 4(3H)-Pyrimidnone, 98% 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 4(3H)-Pyrimidnone, 98% be shipped internationally?

Yes. 4(3H)-Pyrimidnone, 98% 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.

How should 4(3H)-Pyrimidnone, 98% be stored?

2–8 °C. Keep the container tightly closed and refer to the SDS for full handling guidance.