Piroxicam EP Impurity D

Name: Piroxicam EP Impurity D
Brand: Vaqora Chemicals
SKU: VQ-023507

About Piroxicam EP Impurity D

Vaqora Chemicals supplies Piroxicam EP Impurity D, a pharmacopeial impurity of Piroxicam registered under CAS number 6639-62-9. Its molecular formula is C10H9NO5S and its molecular weight is 255.25 g/mol. The IUPAC name is methyl 2-(1,1,3-trioxo-1,2-benzothiazol-2-yl)acetate. It is also known as Piroxicam - Impurity D or Saccharin N-(2-Acetic Acid Methyl Ester).

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. The GHS classification uses the signal word “Warning”, so appropriate gloves, eye protection and ventilation are recommended.

Pharmaceutical QC and development laboratories use this impurity standard of Piroxicam to develop and validate HPLC methods, to set specification limits and to document impurity profiles in ANDA and DMF submissions. Our customers for this product work in pharmaceutical manufacturing and academic and industrial research.

Standard pack sizes are 10 mg, 25 mg, 50 mg and 100 mg, and every batch ships with a Certificate of Analysis (COA) and we export 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 D
Catalogue No.	VQ-023507
CAS Number	6639-62-9
IUPAC name	methyl 2-(1,1,3-trioxo-1,2-benzothiazol-2-yl)acetate
Molecular formula	C₁₀H₉NO₅S
Molecular weight	255.25 g/mol
Exact mass	255.0201
Grade	Reference Standard
HSN code	38229090
InChIKey	YWLDQSMTDJWJCC-UHFFFAOYSA-N
SMILES	COC(=O)CN1C(=O)C2=CC=CC=C2S1(=O)=O
PubChem CID	81142

Physical properties
Physical form	Solid
LogP (XLogP3)	0.5
H-bond donors / acceptors	0 / 5
TPSA	89.1 Å²
Synonyms	Piroxicam - Impurity D, Saccharin N-(2-Acetic Acid Methyl Ester), Methyl (1,1-dioxido-3-oxo-1,2-benzisothiazol-2(3H)-yl)acetate, Methyl 3-oxo1,2-benzisothiazole-2(3H)-acetate 1,1-dioxide, Methyl 3-oxo-2,3-dihydro-1,2-benzothiazole-2-acetate 1,1-dioxide, 1,2-Benzisothiazole-2(3H)-acetic acid, 3-oxo-, methyl ester, 1,1-dioxide, Piroxicam Impurity D, 3-Oxo-1,2-benzoisothiazoline-2-acetic Acid Methyl Ester 1,1-Dioxide, 2,3-Dihydro-3-oxo-1,2-benzoisothiazole-2-aceticacidmethylester1,1-dioxide, 3-Oxo-1,2-benzoisothiazoline-2-acetic Acid Methyl Ester 1,1-Dioxide(Piroxicam Impurity D), methyl (1,1-dioxido-3-oxo-1,2-benzothiazol-2(3H)-yl)acetate, Methyl 2-(1,1-dioxido-3-oxobenzo[d]isothiazol-2(3h)-yl)acetate

Safety & hazard information (GHS)

Harmful / irritant

Signal word: Warning

Hazard statements

H302Harmful if swallowed
H319Causes serious eye irritation

Precautionary statements: P264, P264 + P265, P270, P280, P301 + P317, P305 + P351 + P338, P330, P337 + P317, 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 D?

The CAS Registry Number of Piroxicam EP Impurity D is 6639-62-9. It is also known as Piroxicam - Impurity D, Saccharin N-(2-Acetic Acid Methyl Ester), Methyl (1,1-dioxido-3-oxo-1,2-benzisothiazol-2(3H)-yl)acetate.

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

Piroxicam EP Impurity D has the molecular formula C10H9NO5S and a molecular weight of 255.25 g/mol. Its IUPAC name is methyl 2-(1,1,3-trioxo-1,2-benzothiazol-2-yl)acetate.

What is Piroxicam EP Impurity D used for?

Piroxicam EP Impurity D 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 D can I order?

We supply Piroxicam EP Impurity D 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 D?

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

Yes. Piroxicam EP Impurity D 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.