Piroxicam EP Impurity J

About Piroxicam EP Impurity J

Piroxicam EP Impurity J is a pharmacopeial impurity of Piroxicam carrying the CAS registry number 35511-15-0. With the molecular formula C11H11NO5S, it has a molar mass of 269.28 g/mol. Systematically, it is named methyl 4-hydroxy-2-methyl-1,1-dioxo-1lambda6,2-benzothiazine-3-carboxylate. Common synonyms include Piroxicam Impurity J and Piroxicam - Impurity J.

The product is provided 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.

As a characterised impurity of Piroxicam, it is used for analytical method development, method validation (AMV) and routine quality-control testing, and it supports ANDA and DMF regulatory filings. Buyers come mainly from pharmaceutical manufacturing and academic and industrial research.

We offer Piroxicam EP Impurity J 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 Piroxicam

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

Piroxicam impurities

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	Piroxicam EP Impurity J
Catalogue No.	VQ-023056
CAS Number	35511-15-0
IUPAC name	methyl 4-hydroxy-2-methyl-1,1-dioxo-1lambda6,2-benzothiazine-3-carboxylate
Molecular formula	C₁₁H₁₁NO₅S
Molecular weight	269.28 g/mol
Exact mass	269.0358
Grade	Reference Standard
HSN code	38229090
InChIKey	NGHIOTWSWSQQNT-UHFFFAOYSA-N
SMILES	CN1C(=C(C2=CC=CC=C2S1(=O)=O)O)C(=O)OC
PubChem CID	54676532

Physical properties
Physical form	Solid
LogP (XLogP3)	2.8
H-bond donors / acceptors	1 / 6
TPSA	92.3 Å²
Synonyms	Piroxicam Impurity J, Piroxicam - Impurity J, Meloxicam EP Impurity E, Meloxicam - Impurity E, Methyl 4-hydroxy-2-methyl-2H-1,2-benzothiazine-3-carboxylate 1,1-dioxide, 2-Methyl-4-hydroxy-2H-1,2-benzothiazine-3-carboxylic acid methyl ester 1,1-dioxide, Methyl 2-methyl-4-hydroxy-2H-1,2-benzothiazine-3-carboxylate 1,1-dioxide, 2-Methyl-4-hydroxy-2H-1,2-benzothiazine-3-carboxylic methyl ester-1,1-dioxide, methyl 4-hydroxy-2-methyl-2H-benzo[e][1,2]thiazine-3-carboxylate 1,1-dioxide, Methyl 4-hydroxy-2-methyl-2H-1,2-benzothiazine-3-carboxylate-1,1-dioxide, Methyl 4-hydroxy-2-methyl-(2H)-1,2-benzothiazine-3-carboxylate-1,1-dioxide, 2H-1,2-Benzothiazine-3-carboxylic acid, 4-hydroxy-2-methyl-, methylester, 1,1-dioxide

Safety & hazard information (GHS)

Harmful / irritant

Signal word: Warning

Hazard statements

H302Harmful if swallowed

Precautionary statements: P264, P270, P301 + P317, P330, 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 Piroxicam EP Impurity J?

The CAS Registry Number of Piroxicam EP Impurity J is 35511-15-0. It is also known as Piroxicam Impurity J, Piroxicam - Impurity J, Meloxicam EP Impurity E.

What is the molecular formula and molecular weight of Piroxicam EP Impurity J?

Piroxicam EP Impurity J has the molecular formula C11H11NO5S and a molecular weight of 269.28 g/mol. Its IUPAC name is methyl 4-hydroxy-2-methyl-1,1-dioxo-1lambda6,2-benzothiazine-3-carboxylate.

What is Piroxicam EP Impurity J used for?

Piroxicam EP Impurity J 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 Piroxicam EP Impurity J can I order?

We supply Piroxicam EP Impurity J 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 Piroxicam EP Impurity J?

Yes. Every lot of Piroxicam EP Impurity J 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 Piroxicam EP Impurity J be shipped internationally?

Yes. Piroxicam EP Impurity J 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.