4,6-Dihydroxy-5-methoxypyrimidine

Name: 4,6-Dihydroxy-5-methoxypyrimidine
Brand: Vaqora Chemicals
SKU: VQ-025847

About 4,6-Dihydroxy-5-methoxypyrimidine

4,6-Dihydroxy-5-methoxypyrimidine is an impurity of Fluorouracil carrying the CAS registry number 5193-84-0. Formula C5H6N2O3, molecular weight 142.11 g/mol. Its systematic (IUPAC) name is 4-hydroxy-5-methoxy-1H-pyrimidin-6-one. Alternative names: 5-Methoxypyrimidine-4,6-diol and 6-Hydroxy-5-methoxypyrimidin-4(3H)-one.

The product is provided as a solid. Reference materials should be stored sealed and away from light and moisture, as specified on the accompanying COA. Handle it with standard laboratory precautions and appropriate personal protective equipment.

As a characterised impurity of Fluorouracil, 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 4,6-Dihydroxy-5-methoxypyrimidine 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 Fluorouracil

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

Fluorouracil impurities

Specifications & identifiers

Chemical identifiers
Product name	4,6-Dihydroxy-5-methoxypyrimidine
Catalogue No.	VQ-025847
CAS Number	5193-84-0
IUPAC name	4-hydroxy-5-methoxy-1H-pyrimidin-6-one
Molecular formula	C₅H₆N₂O₃
Molecular weight	142.11 g/mol
Exact mass	142.0378
Grade	Reference Standard
HSN code	38229090
InChIKey	JSEPQQUEVRZWST-UHFFFAOYSA-N
SMILES	COC1=C(N=CNC1=O)O
PubChem CID	14960368

Physical properties
Physical form	Solid
LogP (XLogP3)	-0.7
H-bond donors / acceptors	2 / 4
TPSA	70.9 Å²
Synonyms	5-Methoxypyrimidine-4,6-diol, 6-Hydroxy-5-methoxypyrimidin-4(3H)-one, 4(1H)-Pyrimidinone, 6-hydroxy-5-methoxy-, 4,6-Dihydroxy-5-methoxypyrimidin, 5-methoxy-4,6-dihydroxy-pyrimidine, 6-Hydroxy-5-methoxy-4(3H)-pyrimidinone, 4(3H)-Pyrimidinone, 6-hydroxy-5-methoxy-, 6-hydroxy-5-methoxy-3,4-dihydropyrimidin-4-one

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 4,6-Dihydroxy-5-methoxypyrimidine?

The CAS Registry Number of 4,6-Dihydroxy-5-methoxypyrimidine is 5193-84-0. It is also known as 5-Methoxypyrimidine-4,6-diol, 6-Hydroxy-5-methoxypyrimidin-4(3H)-one, 4(1H)-Pyrimidinone, 6-hydroxy-5-methoxy-.

What is the molecular formula and molecular weight of 4,6-Dihydroxy-5-methoxypyrimidine?

4,6-Dihydroxy-5-methoxypyrimidine has the molecular formula C5H6N2O3 and a molecular weight of 142.11 g/mol. Its IUPAC name is 4-hydroxy-5-methoxy-1H-pyrimidin-6-one.

What is 4,6-Dihydroxy-5-methoxypyrimidine used for?

4,6-Dihydroxy-5-methoxypyrimidine is supplied as a characterised reference material related to Fluorouracil. 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 4,6-Dihydroxy-5-methoxypyrimidine can I order?

We supply 4,6-Dihydroxy-5-methoxypyrimidine 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 4,6-Dihydroxy-5-methoxypyrimidine?

Yes. Every lot of 4,6-Dihydroxy-5-methoxypyrimidine 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 4,6-Dihydroxy-5-methoxypyrimidine be shipped internationally?

Yes. We export 4,6-Dihydroxy-5-methoxypyrimidine worldwide by air and sea freight or express courier, on EXW, FOB, CIF, CFR or DAP Incoterms, with full export documentation.