Buspirone EP Impurity K

Name: Buspirone EP Impurity K
Brand: Vaqora Chemicals
SKU: VQ-021028

About Buspirone EP Impurity K

Listed under CAS 1075-89-4, Buspirone EP Impurity K is a pharmacopeial impurity of Buspirone available from Vaqora Chemicals. With the molecular formula C9H13NO2, it has a molar mass of 167.2 g/mol. Systematically, it is named 8-azaspiro[4.5]decane-7,9-dione. It is also known as 3,3-Tetramethyleneglutarimide or 3,3-Tetramethylene Glutarimide.

It is supplied 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.

As a characterised impurity of Buspirone, it is used for analytical method development, method validation (AMV) and routine quality-control testing, and it supports ANDA and DMF regulatory filings. Buyers come mainly from pharmaceutical manufacturing and academic and industrial research.

Standard pack sizes are 10 mg, 25 mg, 50 mg and 100 mg, and every batch ships with a Certificate of Analysis (COA) and we export worldwide.

Typical applications

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

Industries

Related to Buspirone

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

Buspirone impurities

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	Buspirone EP Impurity K
Catalogue No.	VQ-021028
CAS Number	1075-89-4
IUPAC name	8-azaspiro[4.5]decane-7,9-dione
Molecular formula	C₉H₁₃NO₂
Molecular weight	167.2 g/mol
Exact mass	167.0946
Grade	Reference Standard
HSN code	38229090
InChIKey	YRTHJMQKDCXPAY-UHFFFAOYSA-N
SMILES	C1CCC2(C1)CC(=O)NC(=O)C2
PubChem CID	136843

Physical properties
Physical form	Solid
LogP (XLogP3)	1
H-bond donors / acceptors	1 / 2
TPSA	46.2 Å²
Synonyms	3,3-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

Safety & hazard information (GHS)

Toxic

Environmental hazard

Signal word: Danger

Hazard statements

H301Toxic if swallowed
H411Toxic to aquatic life with long lasting effects

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

The CAS Registry Number of Buspirone EP Impurity K is 1075-89-4. It is also known as 3,3-Tetramethyleneglutarimide, 3,3-Tetramethylene Glutarimide, Buspirone Hydrochloride - Impurity K.

What is the molecular formula and molecular weight of Buspirone EP Impurity K?

Buspirone EP Impurity K has the molecular formula C9H13NO2 and a molecular weight of 167.2 g/mol. Its IUPAC name is 8-azaspiro[4.5]decane-7,9-dione.

What is Buspirone EP Impurity K used for?

Buspirone EP Impurity K is supplied as a characterised reference material related to Buspirone. 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 Buspirone EP Impurity K can I order?

We supply Buspirone EP Impurity K 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 Buspirone EP Impurity K?

Yes. Every lot of Buspirone EP Impurity K 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 Buspirone EP Impurity K be shipped internationally?

Yes. Buspirone EP Impurity K 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.