Torasemide EP Impurity A

Name: Torasemide EP Impurity A
Brand: Vaqora Chemicals
SKU: VQ-023923

About Torasemide EP Impurity A

Torasemide EP Impurity A (CAS 72810-61-8) is a pharmacopeial impurity of Torsemide offered by Vaqora Chemicals. Its molecular formula is C13H11N3O3S and its molecular weight is 289.31 g/mol. The IUPAC name is 4-(3-methylphenyl)-1,1-dioxopyrido[4,3-e][1,2,4]thiadiazin-3-one. Alternative names: Torsemide EP Impurity A (Free Base) and Torasemide - Impurity A.

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.

This Torsemide impurity supports analytical method development and validation (AMV), batch release testing and the impurity sections of ANDA and DMF filings. Our customers for this product work in pharmaceutical manufacturing and academic and industrial research.

Vaqora Chemicals supplies Torasemide EP 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

Pharmacopeial method verification
Impurity profiling
QC release testing
ANDA / DMF filings

Industries

Related to Torsemide

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

Torsemide impurities

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	Torasemide EP Impurity A
Catalogue No.	VQ-023923
CAS Number	72810-61-8
IUPAC name	4-(3-methylphenyl)-1,1-dioxopyrido[4,3-e][1,2,4]thiadiazin-3-one
Molecular formula	C₁₃H₁₁N₃O₃S
Molecular weight	289.31 g/mol
Exact mass	289.0521
Grade	Reference Standard
HSN code	38229090
InChIKey	QMCVPDNHQUBJPG-UHFFFAOYSA-N
SMILES	CC1=CC(=CC=C1)N2C3=C(C=NC=C3)S(=O)(=O)NC2=O
PubChem CID	29984242

Physical properties
Physical form	Solid
LogP (XLogP3)	1.2
H-bond donors / acceptors	1 / 4
TPSA	87.8 Å²
Synonyms	Torsemide EP Impurity A (Free Base), Torasemide - Impurity A, 4-m-Tolyl-2H-pyrido(4,3-E)(1,2,4)thiadiazin-3(4H)-one 1,1-dioxide, 4-(m-Tolyl)-2H-pyrido[4,3-e][1,2,4]thiadiazin-3(4H)-one 1,1-dioxide, Torsemide Impurity A, 4-(3-Methylphenyl)-2H-pyrido[4,3-e]-1,2,4-thiadiazin-3(4H)-one 1,1-Dioxide Sodium Salt, 4-(m-tolyl)-1,1-dioxo-pyrido[4,3-e][1,2,4]thiadiazin-3-one, 4-(3-Methylphenyl)-1lambda~6~-pyrido[4,3-e][1,2,4]thiadiazine-1,1,3(2H,4H)-trione

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 Torasemide EP Impurity A?

The CAS Registry Number of Torasemide EP Impurity A is 72810-61-8. It is also known as Torsemide EP Impurity A (Free Base), Torasemide - Impurity A, 4-m-Tolyl-2H-pyrido(4,3-E)(1,2,4)thiadiazin-3(4H)-one 1,1-dioxide.

What is the molecular formula and molecular weight of Torasemide EP Impurity A?

Torasemide EP Impurity A has the molecular formula C13H11N3O3S and a molecular weight of 289.31 g/mol. Its IUPAC name is 4-(3-methylphenyl)-1,1-dioxopyrido[4,3-e][1,2,4]thiadiazin-3-one.

What is Torasemide EP Impurity A used for?

Torasemide EP Impurity A is supplied as a characterised reference material related to Torsemide. 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 Torasemide EP Impurity A can I order?

We supply Torasemide EP 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 Torasemide EP Impurity A?

Yes. Every lot of Torasemide EP 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 Torasemide EP Impurity A be shipped internationally?

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