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Metabolites & Degradation Products

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

Reference StandardAvailable on request

9-Hydroxy-3-(2-hydroxyethyl)-2-methyl-4H-pyrido[1,2-a]pyrimidin-4-one (CAS 181525-38-2) supplier Zemixal. Lab and bulk packs, batch COA, fast global delivery.

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9-Hydroxy-3-(2-hydroxyethyl)-2-methyl-4H-pyrido[1,2-a]pyrimidin-4-one chemical structure
CAS number181525-38-2
FormulaC11H12N2O3
Molar mass220.22 g/mol
Physical formSolid
HS code38229090
InChIKeyGNJWAVGJDQQQSS-UHFFFAOYSA-N
IUPAC name9-hydroxy-3-(2-hydroxyethyl)-2-methylpyrido[1,2-a]pyrimidin-4-one

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

Analytical teams working on Paliperidone use 9-Hydroxy-3-(2-hydroxyethyl)-2-methyl-4H-pyrido[1,2-a]pyrimidin-4-one as a qualified comparison standard. Key data (Reference Standard): CAS 181525-38-2, formula C11H12N2O3 and molar mass 220.22 g/mol. It is handled as a solid.

Typical applications

  • Metabolite identification
  • Stability-indicating methods
  • Impurity profiling

Storage and safety notes

Classified under GHS with signal word Danger and hazard statements H302, H341 and H412. Read the SDS before first use.

Available as 10 mg, 25 mg, 50 mg and 100 mg. Larger or split packs can be arranged. Every shipment includes a certificate of analysis with characterisation data. Send an enquiry through the quote panel and you get a formal offer with Incoterms and delivery time.

Reference standards for Paliperidone

See every impurity, metabolite and related compound we list for this API.

Paliperidone standards

Typical uses

  • Metabolite identification
  • Stability-indicating methods
  • Impurity profiling

Applications

Pharmaceutical Manufacturing and QCResearch Labs and Universities

Specifications and identifiers

Specifications of 9-Hydroxy-3-(2-hydroxyethyl)-2-methyl-4H-pyrido[1,2-a]pyrimidin-4-one
Product name9-Hydroxy-3-(2-hydroxyethyl)-2-methyl-4H-pyrido[1,2-a]pyrimidin-4-one
Catalogue numberZX-035926
CAS number181525-38-2
IUPAC name9-hydroxy-3-(2-hydroxyethyl)-2-methylpyrido[1,2-a]pyrimidin-4-one
Molecular formulaC11H12N2O3
Molar mass220.22 g/mol
Exact mass220.0848
GradeReference Standard
Physical formSolid
XLogP3-0.1
H-bond donors / acceptors2 / 4
Topological polar surface area73.1 Ų
HS code38229090
InChIKeyGNJWAVGJDQQQSS-UHFFFAOYSA-N
SMILESCC1=C(C(=O)N2C=CC=C(C2=N1)O)CCO
PubChem CID16656030
Synonyms3-(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

Lot values are stated on the batch certificate of analysis. Ask for a typical COA with your quotation.

Safety and GHS hazards

GHS07 Irritant or harmful
Irritant or harmful
GHS08 Health hazard
Health hazard

Signal word Danger

  • 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 summarised from public GHS notifications. It can vary with grade and concentration, so always follow the SDS supplied with your lot.

Pack sizes

Pack sizes of 9-Hydroxy-3-(2-hydroxyethyl)-2-methyl-4H-pyrido[1,2-a]pyrimidin-4-one
10 mgQuoted on request
25 mgQuoted on request
50 mgQuoted on request
100 mgQuoted on request

Need a different size? Bulk drums and custom packing are quoted on request through the quote form on this page.

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

Which CAS number identifies 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 is registered under CAS 181525-38-2. You may also see it listed 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-. Our catalogue number for this item is ZX-035926.
What are the formula and molar mass of 9-Hydroxy-3-(2-hydroxyethyl)-2-methyl-4H-pyrido[1,2-a]pyrimidin-4-one?
For 9-Hydroxy-3-(2-hydroxyethyl)-2-methyl-4H-pyrido[1,2-a]pyrimidin-4-one, its formula is C11H12N2O3 and its molar mass is 220.22 g/mol. The systematic (IUPAC) name is 9-hydroxy-3-(2-hydroxyethyl)-2-methylpyrido[1,2-a]pyrimidin-4-one. InChIKey GNJWAVGJDQQQSS-UHFFFAOYSA-N lets you match it in any structure database.
How is 9-Hydroxy-3-(2-hydroxyethyl)-2-methyl-4H-pyrido[1,2-a]pyrimidin-4-one used in pharmaceutical QC?
9-Hydroxy-3-(2-hydroxyethyl)-2-methyl-4H-pyrido[1,2-a]pyrimidin-4-one is a characterised reference material linked to Paliperidone. Laboratories use it to identify and quantify this impurity during method development and validation, stability work, batch release testing and regulatory submissions.
What grade and pack sizes are available for 9-Hydroxy-3-(2-hydroxyethyl)-2-methyl-4H-pyrido[1,2-a]pyrimidin-4-one?
This listing is Reference Standard grade. Standard packs are 10 mg, 25 mg, 50 mg, 100 mg. Larger quantities and custom packing can be quoted on request.
Which documents come with 9-Hydroxy-3-(2-hydroxyethyl)-2-methyl-4H-pyrido[1,2-a]pyrimidin-4-one?
Each lot ships with a batch certificate of analysis and a 16-section GHS safety data sheet. A typical COA or specification sheet can be shared with the quotation before you order.
Can Zemixal ship 9-Hydroxy-3-(2-hydroxyethyl)-2-methyl-4H-pyrido[1,2-a]pyrimidin-4-one to my country?
Yes. Because 9-Hydroxy-3-(2-hydroxyethyl)-2-methyl-4H-pyrido[1,2-a]pyrimidin-4-one is classed as hazardous, it travels in UN-approved packaging as dangerous goods under IATA or IMDG rules, with the export paperwork your broker needs.

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