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Pharmacopeial Impurities (EP / USP / BP)

Buspirone EP Impurity K

Reference StandardAvailable on request

Buy Buspirone EP Impurity K (CAS 1075-89-4) from Zemixal. Request a quote with price, lead time and documents. Packs from 10 mg.

Pack sizes
Buspirone EP Impurity K chemical structure
CAS number1075-89-4
FormulaC9H13NO2
Molar mass167.2 g/mol
Physical formSolid
HS code38229090
InChIKeyYRTHJMQKDCXPAY-UHFFFAOYSA-N
IUPAC name8-azaspiro[4.5]decane-7,9-dione

About Buspirone EP Impurity K

Analytical teams working on Buspirone use Buspirone EP Impurity K as a qualified comparison standard. Identity at a glance (Reference Standard): CAS 1075-89-4, formula C9H13NO2 and molar mass 167.2 g/mol. It is handled as a solid.

Use cases we see most often

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

Handling and storage

Classified under GHS with signal word Danger and hazard statements H301 and H411. Read the SDS before first use.

Order it in 10 mg, 25 mg, 50 mg and 100 mg packs or ask for a bulk quotation. 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 Buspirone

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

Buspirone 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 Buspirone EP Impurity K
Product nameBuspirone EP Impurity K
Catalogue numberZX-020085
CAS number1075-89-4
IUPAC name8-azaspiro[4.5]decane-7,9-dione
Molecular formulaC9H13NO2
Molar mass167.2 g/mol
Exact mass167.0946
GradeReference Standard
Physical formSolid
XLogP31
H-bond donors / acceptors1 / 2
Topological polar surface area46.2 Ų
HS code38229090
InChIKeyYRTHJMQKDCXPAY-UHFFFAOYSA-N
SMILESC1CCC2(C1)CC(=O)NC(=O)C2
PubChem CID136843
Synonyms3,3-Tetramethyleneglutarimide, 3,3-Tetramethylene Glutarimide, Buspirone Hydrochloride - Impurity K, Buspirone Impurity K, 8-azaspiro(4.5)decane-7,9-dione, 1,1-Cyclopentanediacetimide, 4,4-Tetramethyleneglutarimide, 3-Spirocyclopentaneglutarimide, 8-azaspiro[4,5]decane-7,9-dione, azaspirodecanedione, 8-Aza-spiro[4.5]decane-7,9-dione, azaspiro[4.5]decane-7,9-dione

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

Safety and GHS hazards

GHS06 Acute toxicity
Acute toxicity
GHS09 Hazardous to the environment
Hazardous to the environment

Signal word Danger

  • H301Toxic if swallowed
  • H411Toxic to aquatic life with long lasting effects

Precautionary statements P264, P270, P273, P301 + P316, P321, P330, P391, 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 Buspirone EP Impurity K
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 Buspirone EP Impurity K

Which CAS number identifies Buspirone EP Impurity K?
Buspirone EP Impurity K is registered under CAS 1075-89-4. You may also see it listed as 3,3-Tetramethyleneglutarimide, 3,3-Tetramethylene Glutarimide, Buspirone Hydrochloride - Impurity K. Our catalogue number for this item is ZX-020085.
What are the formula and molar mass of Buspirone EP Impurity K?
For Buspirone EP Impurity K, its formula is C9H13NO2 and its molar mass is 167.2 g/mol. The systematic (IUPAC) name is 8-azaspiro[4.5]decane-7,9-dione. InChIKey YRTHJMQKDCXPAY-UHFFFAOYSA-N lets you match it in any structure database.
How is Buspirone EP Impurity K used in pharmaceutical QC?
Buspirone EP Impurity K is a characterised reference material linked to Buspirone. 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 Buspirone EP Impurity K?
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 Buspirone EP Impurity K?
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 Buspirone EP Impurity K to my country?
Yes. Because Buspirone EP Impurity K 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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