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Pharmacopeial Impurities (EP / USP / BP)

Risperidone EP Impurity H

Reference StandardIn stock

Risperidone EP Impurity H (CAS 158697-67-7) supplier Zemixal. Request a quote with price, lead time and documents. Quotes within one business day.

Pack sizes
Risperidone EP Impurity H chemical structure
CAS number158697-67-7
FormulaC23H27F2N3O2
Molar mass415.5 g/mol
Physical formSolid
HS code38229090
Purity37.7%
InChIKeyVVQWCIXBRCHDBW-UHFFFAOYSA-N
IUPAC name3-[2-[4-(2,4-difluorobenzoyl)piperidin-1-yl]ethyl]-2-methyl-6,7,8,9-tetrahydropyrido[1,2-a]pyrimidin-4-one

About Risperidone EP Impurity H

Zemixal lists Risperidone EP Impurity H for laboratories that identify, quantify or control Risperidone and its related substances. Key data (Reference Standard): CAS 158697-67-7, formula C23H27F2N3O2 and molar mass 415.5 g/mol. It is handled as a solid.

Typical applications

  • Pharmacopeial method verification
  • Impurity profiling
  • QC release testing
  • ANDA / DMF filings

Safe handling

It carries the GHS signal word Warning (H302), so wear gloves and eye protection and work with good ventilation.

Available as 10 mg, 25 mg, 50 mg, 100 mg and 250 mg. Larger or split packs can be arranged. You receive a certificate of analysis with characterisation data with each order. Request pricing online and we confirm availability, documentation and freight to your country.

Reference standards for Risperidone

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

Risperidone standards

Typical uses

  • Pharmacopeial method verification
  • Impurity profiling
  • QC release testing
  • ANDA / DMF filings

Applications

Pharmaceutical Manufacturing and QCResearch Labs and Universities

Grade guides

Ph. Eur. Grade (European Pharmacopoeia)

Specifications and identifiers

Specifications of Risperidone EP Impurity H
Product nameRisperidone EP Impurity H
Catalogue numberZX-005946
CAS number158697-67-7
IUPAC name3-[2-[4-(2,4-difluorobenzoyl)piperidin-1-yl]ethyl]-2-methyl-6,7,8,9-tetrahydropyrido[1,2-a]pyrimidin-4-one
Molecular formulaC23H27F2N3O2
Molar mass415.5 g/mol
Exact mass415.2071
GradeReference Standard
Purity / assay37.7%
Physical formSolid
XLogP32.6
H-bond donors / acceptors0 / 6
Topological polar surface area53 Ų
HS code38229090
InChIKeyVVQWCIXBRCHDBW-UHFFFAOYSA-N
SMILESCC1=C(C(=O)N2CCCCC2=N1)CCN3CCC(CC3)C(=O)C4=C(C=C(C=C4)F)F
PubChem CID29941101
SynonymsRisperidone Difluoroketone, 2,4-Difluorobenzoyl Risperidone Impurity, DES(6-fluoro-1,2-benzoxazole)-2,4-difluorobenzoyl risperidone

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

Signal word Warning

  • H302Harmful if swallowed

Precautionary statements P264, P270, P301 + P317, P330, 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 Risperidone EP Impurity H
10 mgQuoted on request
25 mgQuoted on request
50 mgQuoted on request
100 mgQuoted on request
250 mgQuoted on request
500 mgQuoted on request
1 gQuoted on request

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

Questions about Risperidone EP Impurity H

Which CAS number identifies Risperidone EP Impurity H?
Risperidone EP Impurity H is registered under CAS 158697-67-7. You may also see it listed as Risperidone Difluoroketone, 2,4-Difluorobenzoyl Risperidone Impurity, DES(6-fluoro-1,2-benzoxazole)-2,4-difluorobenzoyl risperidone. Our catalogue number for this item is ZX-005946.
What are the formula and molar mass of Risperidone EP Impurity H?
For Risperidone EP Impurity H, its formula is C23H27F2N3O2 and its molar mass is 415.5 g/mol. The systematic (IUPAC) name is 3-[2-[4-(2,4-difluorobenzoyl)piperidin-1-yl]ethyl]-2-methyl-6,7,8,9-tetrahydropyrido[1,2-a]pyrimidin-4-one. InChIKey VVQWCIXBRCHDBW-UHFFFAOYSA-N lets you match it in any structure database.
How is Risperidone EP Impurity H used in pharmaceutical QC?
Risperidone EP Impurity H is a characterised reference material linked to Risperidone. 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 Risperidone EP Impurity H?
This listing is Reference Standard grade with 37.7% purity. Standard packs are 10 mg, 25 mg, 50 mg, 100 mg, 250 mg, 500 mg. Larger quantities and custom packing can be quoted on request.
Which documents come with Risperidone EP Impurity H?
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 Risperidone EP Impurity H to my country?
Yes. Because Risperidone EP Impurity H 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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