Paramethasone

Name: Paramethasone
Brand: Vaqora Chemicals
SKU: VQ-033063

About Paramethasone

Listed under CAS 53-33-8, Paramethasone is an impurity of Dexamethasone available from Vaqora Chemicals. With the molecular formula C22H29FO5, it has a molar mass of 392.5 g/mol. Alternative names: Flumethone and Paramezone.

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. Good laboratory practice and suitable PPE are recommended during handling.

As a characterised impurity of Dexamethasone, it is used for analytical method development, method validation (AMV) and routine quality-control testing, and it supports ANDA and DMF regulatory filings. Our customers for this product work in pharmaceutical manufacturing and academic and industrial research.

We offer Paramethasone 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 Dexamethasone

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

Dexamethasone impurities

Specifications & identifiers

Chemical identifiers
Product name	Paramethasone
Catalogue No.	VQ-033063
CAS Number	53-33-8
IUPAC name	(6S,8S,9S,10R,11S,13S,14S,16R,17R)-6-fluoro-11,17-dihydroxy-17-(2-hydroxyacetyl)-10,13,16-trimethyl-7,8,9,11,12,14,15,16-octahydro-6H-cyclopenta[a]phenanthren-3-one
Molecular formula	C₂₂H₂₉FO₅
Molecular weight	392.5 g/mol
Exact mass	392.1999
Grade	Reference Standard
HSN code	38229090
InChIKey	MKPDWECBUAZOHP-AFYJWTTESA-N
SMILES	C[C@@H]1C[C@H]2[C@@H]3C[C@@H](C4=CC(=O)C=C[C@@]4([C@H]3[C@H](C[C@@]2([C@]1(C(=O)CO)O)C)O)C)F
PubChem CID	5875

Physical properties
Physical form	Solid
LogP (XLogP3)	2
H-bond donors / acceptors	3 / 6
TPSA	94.8 Å²
Synonyms	Flumethone, Paramezone, Parametasone, 16alpha-Methyl-6alpha-fluoroprednisolone, 6alpha-Fluoro-16alpha-methylprednisolone, Pregna-1,4-diene-3,20-dione, 6alpha-fluoro-11beta,17,21-trihydroxy-16alpha-methyl-, Parametasone [DCIT], (6alpha,11beta,16alpha)-6-fluoro-11,17,21-trihydroxy-16-methylpregna-1,4-diene-3,20-dione, 6alpha-Fluoro-11beta,17,21-trihydroxy-16alpha-methylpregna-1,4-diene-3,20-dione

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 Paramethasone?

The CAS Registry Number of Paramethasone is 53-33-8. It is also known as Flumethone, Paramezone, Parametasone.

What is the molecular formula and molecular weight of Paramethasone?

Paramethasone has the molecular formula C22H29FO5 and a molecular weight of 392.5 g/mol.

What is Paramethasone used for?

Paramethasone is supplied as a characterised reference material related to Dexamethasone. 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 Paramethasone can I order?

We supply Paramethasone 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 Paramethasone?

Yes. Every lot of Paramethasone 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 Paramethasone be shipped internationally?

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