Buspirone EP Impurity E

Name: Buspirone EP Impurity E
Brand: Vaqora Chemicals
SKU: VQ-021924

About Buspirone EP Impurity E

Listed under CAS 257877-43-3, Buspirone EP Impurity E is a pharmacopeial impurity of Buspirone available from Vaqora Chemicals. Its molecular formula is C21H33N5O3 and its molecular weight is 403.5 g/mol. Systematically, it is named 2-[1-[2-oxo-2-[4-(4-pyrimidin-2-ylpiperazin-1-yl)butylamino]ethyl]cyclopentyl]acetic acid. It is also known as Buspirone Hydrochloride - Impurity E or Buspirone open ring.

It is supplied as a solid. Keep the vial tightly closed, protected from light and humidity, at the temperature stated on the Certificate of Analysis. Handle it with standard laboratory precautions and appropriate personal protective equipment.

Pharmaceutical QC and development laboratories use this impurity standard of Buspirone to develop and validate HPLC methods, to set specification limits and to document impurity profiles in ANDA and DMF submissions. Our customers for this product work in pharmaceutical manufacturing and academic and industrial research.

We offer Buspirone EP Impurity E in 10 mg, 25 mg, 50 mg and 100 mg packs with a batch-specific COA, and ship to customers 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 E
Catalogue No.	VQ-021924
CAS Number	257877-43-3
IUPAC name	2-[1-[2-oxo-2-[4-(4-pyrimidin-2-ylpiperazin-1-yl)butylamino]ethyl]cyclopentyl]acetic acid
Molecular formula	C₂₁H₃₃N₅O₃
Molecular weight	403.5 g/mol
Exact mass	403.2583
Grade	Reference Standard
HSN code	38229090
InChIKey	CXFNXCYJILJTDA-UHFFFAOYSA-N
SMILES	C1CCC(C1)(CC(=O)NCCCCN2CCN(CC2)C3=NC=CC=N3)CC(=O)O
PubChem CID	101000528

Physical properties
Physical form	Solid
LogP (XLogP3)	-0.3
H-bond donors / acceptors	2 / 7
TPSA	98.7 Å²
Synonyms	Buspirone Hydrochloride - Impurity E, Buspirone open ring, seco-(8,9)-Buspirone Carboxylic Acid, Buspirone IMpurity E, 1-[2-Oxo-2-[[4-[4-(2-pyrimidinyl)-1-piperazinyl]butyl]amino]ethyl]cyclopentaneacetic acid

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 E?

The CAS Registry Number of Buspirone EP Impurity E is 257877-43-3. It is also known as Buspirone Hydrochloride - Impurity E, Buspirone open ring, seco-(8,9)-Buspirone Carboxylic Acid.

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

Buspirone EP Impurity E has the molecular formula C21H33N5O3 and a molecular weight of 403.5 g/mol. Its IUPAC name is 2-[1-[2-oxo-2-[4-(4-pyrimidin-2-ylpiperazin-1-yl)butylamino]ethyl]cyclopentyl]acetic acid.

What is Buspirone EP Impurity E used for?

Buspirone EP Impurity E 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 E can I order?

We supply Buspirone EP Impurity E 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 E?

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

Yes. We export Buspirone EP Impurity E worldwide by air and sea freight or express courier, on EXW, FOB, CIF, CFR or DAP Incoterms, with full export documentation.