Cyclopentanone Oxime

Name: Cyclopentanone Oxime
Brand: Vaqora Chemicals
SKU: VQ-047886

About Cyclopentanone Oxime

Vaqora Chemicals supplies Cyclopentanone Oxime, a high-purity reference standard of Tretinoin registered under CAS number 1192-28-5. Its molecular formula is C5H9NO and its molecular weight is 99.13 g/mol. Its systematic (IUPAC) name is N-cyclopentylidenehydroxylamine. It is also known as cyclopentan-1-one oxime or (hydroxyimino)cyclopentane.

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. Under GHS it is labelled “Warning”, so handle it with suitable PPE and consult the SDS.

Laboratories use this Tretinoin standard for identity and assay testing, system suitability checks and method validation supporting ANDA and DMF filings. Our customers for this product work in pharmaceutical manufacturing and academic and industrial research.

Available in 10 mg, 25 mg, 50 mg and 100 mg packs, Cyclopentanone Oxime is dispatched with a Certificate of Analysis (COA) to destinations worldwide.

Typical applications

Identification & assay
Method development & validation
QC reference material

Industries

Related to Tretinoin

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

Tretinoin impurities

Specifications & identifiers

Chemical identifiers
Product name	Cyclopentanone Oxime
Catalogue No.	VQ-047886
CAS Number	1192-28-5
IUPAC name	N-cyclopentylidenehydroxylamine
Molecular formula	C₅H₉NO
Molecular weight	99.13 g/mol
Exact mass	99.0684
Grade	Reference Standard
HSN code	38229090
InChIKey	YGNXYFLJZILPEK-UHFFFAOYSA-N
SMILES	C1CCC(=NO)C1
PubChem CID	14500

Physical properties
Physical form	Solid
LogP (XLogP3)	0.7
H-bond donors / acceptors	1 / 2
TPSA	32.6 Å²

Safety & hazard information (GHS)

Harmful / irritant

Signal word: Warning

Hazard statements

H302Harmful if swallowed
H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation

Precautionary statements: P261, P264, P264 + P265, P270, P271, P280, P301 + P317, P302 + P352, P304 + P340, P305 + P351 + P338, P319, P321, P330, P332 + P317, P337 + P317, P362 + P364, P403 + P233, 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 Cyclopentanone Oxime?

The CAS Registry Number of Cyclopentanone Oxime is 1192-28-5. It is also known as cyclopentan-1-one oxime, (hydroxyimino)cyclopentane, hydroxyiminocyclopentane.

What is the molecular formula and molecular weight of Cyclopentanone Oxime?

Cyclopentanone Oxime has the molecular formula C5H9NO and a molecular weight of 99.13 g/mol. Its IUPAC name is N-cyclopentylidenehydroxylamine.

What is Cyclopentanone Oxime used for?

Cyclopentanone Oxime is supplied as a characterised reference material related to Tretinoin. 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 Cyclopentanone Oxime can I order?

We supply Cyclopentanone Oxime 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 Cyclopentanone Oxime?

Yes. Every lot of Cyclopentanone Oxime 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 Cyclopentanone Oxime be shipped internationally?

Yes. Cyclopentanone Oxime 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.