(5S)-5-Cyclopentyl-3-pyrazolidinone

Name: (5S)-5-Cyclopentyl-3-pyrazolidinone
Brand: Vaqora Chemicals
SKU: VQ-042049

About (5S)-5-Cyclopentyl-3-pyrazolidinone

Listed under CAS 2102675-45-4, (5S)-5-Cyclopentyl-3-pyrazolidinone is an impurity of Ruxolitinib available from Vaqora Chemicals. Its molecular formula is C8H14N2O and its molecular weight is 154.21 g/mol. The IUPAC name is (5S)-5-cyclopentylpyrazolidin-3-one. Common synonyms include 5-Cyclopentyl-3-pyrazolidinone, (5S)- and 3-Pyrazolidinone, 5-cyclopentyl-, (5S)-.

The product is provided 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 Ruxolitinib to develop and validate HPLC methods, to set specification limits and to document impurity profiles in ANDA and DMF submissions. It is used across pharmaceutical manufacturing and academic and industrial research.

We offer (5S)-5-Cyclopentyl-3-pyrazolidinone in 10 mg, 25 mg, 50 mg and 100 mg packs with a batch-specific COA, and ship to customers worldwide.

Typical applications

Analytical method development
Method validation (AMV)
QC release testing
ANDA / DMF filings

Industries

Related to Ruxolitinib

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

Ruxolitinib impurities

Specifications & identifiers

Chemical identifiers
Product name	(5S)-5-Cyclopentyl-3-pyrazolidinone
Catalogue No.	VQ-042049
CAS Number	2102675-45-4
IUPAC name	(5S)-5-cyclopentylpyrazolidin-3-one
Molecular formula	C₈H₁₄N₂O
Molecular weight	154.21 g/mol
Exact mass	154.1106
Grade	Reference Standard
HSN code	38229090
InChIKey	WFMWIYMCLOLEQT-ZETCQYMHSA-N
SMILES	C1CCC(C1)[C@@H]2CC(=O)NN2
PubChem CID	171390161

Physical properties
Physical form	Solid
LogP (XLogP3)	0.9
H-bond donors / acceptors	2 / 2
TPSA	41.1 Å²

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 (5S)-5-Cyclopentyl-3-pyrazolidinone?

The CAS Registry Number of (5S)-5-Cyclopentyl-3-pyrazolidinone is 2102675-45-4. It is also known as 5-Cyclopentyl-3-pyrazolidinone, (5S)-, 3-Pyrazolidinone, 5-cyclopentyl-, (5S)-.

What is the molecular formula and molecular weight of (5S)-5-Cyclopentyl-3-pyrazolidinone?

(5S)-5-Cyclopentyl-3-pyrazolidinone has the molecular formula C8H14N2O and a molecular weight of 154.21 g/mol. Its IUPAC name is (5S)-5-cyclopentylpyrazolidin-3-one.

What is (5S)-5-Cyclopentyl-3-pyrazolidinone used for?

(5S)-5-Cyclopentyl-3-pyrazolidinone is supplied as a characterised reference material related to Ruxolitinib. 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 (5S)-5-Cyclopentyl-3-pyrazolidinone can I order?

We supply (5S)-5-Cyclopentyl-3-pyrazolidinone 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 (5S)-5-Cyclopentyl-3-pyrazolidinone?

Yes. Every lot of (5S)-5-Cyclopentyl-3-pyrazolidinone 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 (5S)-5-Cyclopentyl-3-pyrazolidinone be shipped internationally?

Yes. We export (5S)-5-Cyclopentyl-3-pyrazolidinone worldwide by air and sea freight or express courier, on EXW, FOB, CIF, CFR or DAP Incoterms, with full export documentation.