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Pharmacopeial Impurities (EP / USP / BP)

Torasemide EP Impurity A

Reference StandardAvailable on request

Torasemide EP Impurity A (CAS 72810-61-8) supplier Zemixal. Request a quote with price, lead time and documents. Catalogue no. ZX-022938.

Pack sizes
Torasemide EP Impurity A chemical structure
CAS number72810-61-8
FormulaC13H11N3O3S
Molar mass289.31 g/mol
Physical formSolid
HS code38229090
InChIKeyQMCVPDNHQUBJPG-UHFFFAOYSA-N
IUPAC name4-(3-methylphenyl)-1,1-dioxopyrido[4,3-e][1,2,4]thiadiazin-3-one

About Torasemide EP Impurity A

Torasemide EP Impurity A is supplied by Zemixal as a characterised reference material for Torsemide analysis. Key data (Reference Standard): CAS 72810-61-8, formula C13H11N3O3S and molar mass 289.31 g/mol. It is handled as a solid.

Where it is used

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

Order it in 10 mg, 25 mg, 50 mg and 100 mg packs or ask for a bulk quotation. Each lot travels with a certificate of analysis with characterisation data. Add it to your quote list and our team replies with price, lead time and shipping options within one business day.

Reference standards for Torsemide

See every impurity, metabolite and related compound we list for this API.

Torsemide standards

Typical uses

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

Applications

Pharmaceutical Manufacturing and QCResearch Labs and Universities

Grade guides

Ph. Eur. Grade (European Pharmacopoeia)

Specifications and identifiers

Specifications of Torasemide EP Impurity A
Product nameTorasemide EP Impurity A
Catalogue numberZX-022938
CAS number72810-61-8
IUPAC name4-(3-methylphenyl)-1,1-dioxopyrido[4,3-e][1,2,4]thiadiazin-3-one
Molecular formulaC13H11N3O3S
Molar mass289.31 g/mol
Exact mass289.0521
GradeReference Standard
Physical formSolid
XLogP31.2
H-bond donors / acceptors1 / 4
Topological polar surface area87.8 Ų
HS code38229090
InChIKeyQMCVPDNHQUBJPG-UHFFFAOYSA-N
SMILESCC1=CC(=CC=C1)N2C3=C(C=NC=C3)S(=O)(=O)NC2=O
PubChem CID29984242
SynonymsTorsemide 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

Lot values are stated on the batch certificate of analysis. Ask for a typical COA with your quotation.

Safety and GHS hazards

No GHS classification is on file for this item. Handle it as an unknown laboratory chemical and request the SDS with your quotation.

Pack sizes

Pack sizes of Torasemide EP Impurity A
10 mgQuoted on request
25 mgQuoted on request
50 mgQuoted on request
100 mgQuoted on request

Need a different size? Bulk drums and custom packing are quoted on request through the quote form on this page.

Questions about Torasemide EP Impurity A

Which CAS number identifies Torasemide EP Impurity A?
Torasemide EP Impurity A is registered under CAS 72810-61-8. You may also see it listed 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. Our catalogue number for this item is ZX-022938.
What are the formula and molar mass of Torasemide EP Impurity A?
For Torasemide EP Impurity A, its formula is C13H11N3O3S and its molar mass is 289.31 g/mol. The systematic (IUPAC) name is 4-(3-methylphenyl)-1,1-dioxopyrido[4,3-e][1,2,4]thiadiazin-3-one. InChIKey QMCVPDNHQUBJPG-UHFFFAOYSA-N lets you match it in any structure database.
How is Torasemide EP Impurity A used in pharmaceutical QC?
Torasemide EP Impurity A is a characterised reference material linked to Torsemide. Laboratories use it to identify and quantify this impurity during method development and validation, stability work, batch release testing and regulatory submissions.
What grade and pack sizes are available for Torasemide EP Impurity A?
This listing is Reference Standard grade. Standard packs are 10 mg, 25 mg, 50 mg, 100 mg. Larger quantities and custom packing can be quoted on request.
Which documents come with Torasemide EP Impurity A?
Each lot ships with a batch certificate of analysis and a 16-section GHS safety data sheet. A typical COA or specification sheet can be shared with the quotation before you order.
Can Zemixal ship Torasemide EP Impurity A to my country?
Yes. Torasemide EP Impurity A ships worldwide by express courier, air cargo or sea freight, quoted on the Incoterm you prefer, with full export documents.

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