Meloxicam - Impurity A | CAS 24683-26-9

Name: Meloxicam - Impurity A
Brand: Vaqora Chemicals
SKU: VQ-023052

About Meloxicam - Impurity A

Vaqora Chemicals supplies Meloxicam - Impurity A, a metabolite or degradation product of Piroxicam registered under CAS number 24683-26-9. Its molecular formula is C12H13NO5S and its molecular weight is 283.3 g/mol. Its systematic (IUPAC) name is ethyl 4-hydroxy-2-methyl-1,1-dioxo-1lambda6,2-benzothiazine-3-carboxylate. It is also known as Piroxicam - Impurity K or Meloxicam EP Impurity A.

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 “Danger”, so handle it with suitable PPE and consult the SDS.

It is used in metabolite identification, stability-indicating method development and impurity profiling of Piroxicam, as well as in QC testing and ANDA/DMF documentation. It is used across pharmaceutical manufacturing and academic and industrial research.

Vaqora Chemicals supplies Meloxicam - Impurity A in 10 mg, 25 mg, 50 mg and 100 mg packs, each shipped with a Certificate of Analysis (COA), and exports worldwide.

Typical applications

Metabolite identification
Stability-indicating methods
Impurity profiling

Industries

Related to Piroxicam

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

Piroxicam impurities

Specifications & identifiers

Chemical identifiers
Product name	Meloxicam - Impurity A
Catalogue No.	VQ-023052
CAS Number	24683-26-9
IUPAC name	ethyl 4-hydroxy-2-methyl-1,1-dioxo-1lambda6,2-benzothiazine-3-carboxylate
Molecular formula	C₁₂H₁₃NO₅S
Molecular weight	283.3 g/mol
Exact mass	283.0514
Grade	Reference Standard
HSN code	38229090
InChIKey	QWTNANUGXZEPFQ-UHFFFAOYSA-N
SMILES	CCOC(=O)C1=C(C2=CC=CC=C2S(=O)(=O)N1C)O
PubChem CID	54679348

Physical properties
Physical form	Solid
LogP (XLogP3)	3.2
H-bond donors / acceptors	1 / 6
TPSA	92.3 Å²
Synonyms	Piroxicam - Impurity K, Meloxicam EP Impurity A, Piroxicam EP Impurity K, Meloxicam Related Compound A, Ethyl 4-hydroxy-2-methyl-2H-1,2-benzothiazine-3-carboxylate 1,1-dioxide, 4-Hydroxy-2-methyl-2H-1,2-benzothiazine-3-carboxylic acid ethylester 1,1-dioxide, 2H-1,2-Benzothiazine-3-carboxylic acid, 4-hydroxy-2-methyl-, ethyl ester, 1,1-dioxide, 4-Hydroxy-2-methyl-2H-1,2-benzothiazine-3-carboxylic Acid Ethyl Ester 1,1-Dioxide, Ethyl 4-hydroxy-2-methyl-2H-benzo[e][1,2]thiazine-3-carboxylate 1,1-dioxide, 2-Methyl-4-hydroxy-2H-1,2-benzothiazine-3-carboxylic acid ethyl ester 1,1-dioxide, Ethyl 4-hydroxy-2-methyl-1,1-dioxo-2H-1,2-benzothiazine-3-carboxylate, 2-Methyl-4-hydroxy-2H-1,2-benzothiazine-3-carboxylic acid ethyl ester-1,1-dioxide

Safety & hazard information (GHS)

Toxic

Signal word: Danger

Hazard statements

H331Toxic if inhaled

Precautionary statements: P261, P271, P304 + P340, P316, P321, 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 Meloxicam - Impurity A?

The CAS Registry Number of Meloxicam - Impurity A is 24683-26-9. It is also known as Piroxicam - Impurity K, Meloxicam EP Impurity A, Piroxicam EP Impurity K.

What is the molecular formula and molecular weight of Meloxicam - Impurity A?

Meloxicam - Impurity A has the molecular formula C12H13NO5S and a molecular weight of 283.3 g/mol. Its IUPAC name is ethyl 4-hydroxy-2-methyl-1,1-dioxo-1lambda6,2-benzothiazine-3-carboxylate.

What is Meloxicam - Impurity A used for?

Meloxicam - Impurity A is supplied as a characterised reference material related to Piroxicam. 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 Meloxicam - Impurity A can I order?

We supply Meloxicam - Impurity A 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 Meloxicam - Impurity A?

Yes. Every lot of Meloxicam - Impurity A 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 Meloxicam - Impurity A be shipped internationally?

Yes. Meloxicam - Impurity A 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.