9-Hydroxy-3-(2-hydroxyethyl)-2-methyl-4H-pyri… 181525-38-2

Name: 9-Hydroxy-3-(2-hydroxyethyl)-2-methyl-4H-pyrido[1,2-a]pyrimidin-4-one
Brand: Vaqora Chemicals
SKU: VQ-041313

About 9-Hydroxy-3-(2-hydroxyethyl)-2-methyl-4H-pyrido[1,2-a]pyrimidin-4-one

Vaqora Chemicals supplies 9-Hydroxy-3-(2-hydroxyethyl)-2-methyl-4H-pyrido[1,2-a]pyrimidin-4-one, a metabolite or degradation product of Paliperidone registered under CAS number 181525-38-2. The compound has the formula C11H12N2O3, corresponding to a molecular weight of 220.22 g/mol. The IUPAC name is 9-hydroxy-3-(2-hydroxyethyl)-2-methylpyrido[1,2-a]pyrimidin-4-one.

The product is provided 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 “Danger”, so appropriate gloves, eye protection and ventilation are recommended.

Analytical teams use this compound to identify metabolites and degradants of Paliperidone, to validate stability-indicating methods (AMV) and to support QC and regulatory filings. Our customers for this product work in pharmaceutical manufacturing and academic and industrial research.

We offer 9-Hydroxy-3-(2-hydroxyethyl)-2-methyl-4H-pyrido[1,2-a]pyrimidin-4-one in 10 mg, 25 mg, 50 mg and 100 mg packs with a batch-specific COA, and ship to customers worldwide.

Typical applications

Metabolite identification
Stability-indicating methods
Impurity profiling

Industries

Related to Paliperidone

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

Paliperidone impurities

Specifications & identifiers

Chemical identifiers
Product name	9-Hydroxy-3-(2-hydroxyethyl)-2-methyl-4H-pyrido[1,2-a]pyrimidin-4-one
Catalogue No.	VQ-041313
CAS Number	181525-38-2
IUPAC name	9-hydroxy-3-(2-hydroxyethyl)-2-methylpyrido[1,2-a]pyrimidin-4-one
Molecular formula	C₁₁H₁₂N₂O₃
Molecular weight	220.22 g/mol
Exact mass	220.0848
Grade	Reference Standard
HSN code	38229090
InChIKey	GNJWAVGJDQQQSS-UHFFFAOYSA-N
SMILES	CC1=C(C(=O)N2C=CC=C(C2=N1)O)CCO
PubChem CID	16656030

Physical properties
Physical form	Solid
LogP (XLogP3)	-0.1
H-bond donors / acceptors	2 / 4
TPSA	73.1 Å²
Synonyms	3-(2-Hydroxyethyl)-2-methyl-4H-pyrido[1,2-a]pyrimidin-4-one, 4H-Pyrido(1,2-a)pyrimidin-4-one, 9-hydroxy-3-(2-hydroxyethyl)-2-methyl-, 4H-Pyrido[1,2-a]pyrimidin-4-one, 9-hydroxy-3-(2-hydroxyethyl)-2-methyl-, 3-(2-hydroxyethyl)-9-hydroxy-2-methyl-4h-pyrido[1,2-a]pyrimidin-4-one, 9-hydroxy-3-(2-hydroxyethyl)-2-methyl-pyrido[1,2-a]pyrimidin-4-one

Safety & hazard information (GHS)

Harmful / irritant

Health hazard

Signal word: Danger

Hazard statements

H302Harmful if swallowed
H341Suspected of causing genetic defects
H412Harmful to aquatic life with long lasting effects

Precautionary statements: P203, P264, P270, P273, P280, P301 + P317, P318, P330, 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 9-Hydroxy-3-(2-hydroxyethyl)-2-methyl-4H-pyrido[1,2-a]pyrimidin-4-one?

The CAS Registry Number of 9-Hydroxy-3-(2-hydroxyethyl)-2-methyl-4H-pyrido[1,2-a]pyrimidin-4-one is 181525-38-2. It is also known as 3-(2-Hydroxyethyl)-2-methyl-4H-pyrido[1,2-a]pyrimidin-4-one, 4H-Pyrido(1,2-a)pyrimidin-4-one, 9-hydroxy-3-(2-hydroxyethyl)-2-methyl-, 4H-Pyrido[1,2-a]pyrimidin-4-one, 9-hydroxy-3-(2-hydroxyethyl)-2-methyl-.

What is the molecular formula and molecular weight of 9-Hydroxy-3-(2-hydroxyethyl)-2-methyl-4H-pyrido[1,2-a]pyrimidin-4-one?

9-Hydroxy-3-(2-hydroxyethyl)-2-methyl-4H-pyrido[1,2-a]pyrimidin-4-one has the molecular formula C11H12N2O3 and a molecular weight of 220.22 g/mol. Its IUPAC name is 9-hydroxy-3-(2-hydroxyethyl)-2-methylpyrido[1,2-a]pyrimidin-4-one.

What is 9-Hydroxy-3-(2-hydroxyethyl)-2-methyl-4H-pyrido[1,2-a]pyrimidin-4-one used for?

9-Hydroxy-3-(2-hydroxyethyl)-2-methyl-4H-pyrido[1,2-a]pyrimidin-4-one is supplied as a characterised reference material related to Paliperidone. 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 9-Hydroxy-3-(2-hydroxyethyl)-2-methyl-4H-pyrido[1,2-a]pyrimidin-4-one can I order?

We supply 9-Hydroxy-3-(2-hydroxyethyl)-2-methyl-4H-pyrido[1,2-a]pyrimidin-4-one 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 9-Hydroxy-3-(2-hydroxyethyl)-2-methyl-4H-pyrido[1,2-a]pyrimidin-4-one?

Yes. Every lot of 9-Hydroxy-3-(2-hydroxyethyl)-2-methyl-4H-pyrido[1,2-a]pyrimidin-4-one 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 9-Hydroxy-3-(2-hydroxyethyl)-2-methyl-4H-pyrido[1,2-a]pyrimidin-4-one be shipped internationally?

Yes. 9-Hydroxy-3-(2-hydroxyethyl)-2-methyl-4H-pyrido[1,2-a]pyrimidin-4-one 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.