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Pharmacopeial Impurities (EP / USP / BP)

Furosemide EP Impurity B

Reference StandardIn stock

Order Furosemide EP Impurity B (CAS 2736-23-4) online at Zemixal. Request a quote with price, lead time and documents. Quotes within one business day.

Pack sizes
Furosemide EP Impurity B chemical structure
CAS number2736-23-4
FormulaC7H5Cl2NO4S
Molar mass270.09 g/mol
Physical formSolid
HS code38229090
InChIKeyZSHHRBYVHTVRFK-UHFFFAOYSA-N
IUPAC name2,4-dichloro-5-sulfamoylbenzoic acid

About Furosemide EP Impurity B

Zemixal lists Furosemide EP Impurity B for laboratories that identify, quantify or control Furosemide and its related substances. Key data (Reference Standard): CAS 2736-23-4, formula C7H5Cl2NO4S and molar mass 270.09 g/mol. It is handled as a solid.

Typical applications

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

Storage and safety notes

Hazard communication follows GHS (Danger: H315, H318, H319 and H335). Our SDS lists exposure controls and first-aid measures.

Available as 10 mg, 25 mg, 50 mg, 100 mg and 250 mg. Larger or split packs can be arranged. You receive a certificate of analysis with characterisation data with each order. Request pricing online and we confirm availability, documentation and freight to your country.

Reference standards for Furosemide

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

Furosemide 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 Furosemide EP Impurity B
Product nameFurosemide EP Impurity B
Catalogue numberZX-005725
CAS number2736-23-4
IUPAC name2,4-dichloro-5-sulfamoylbenzoic acid
Molecular formulaC7H5Cl2NO4S
Molar mass270.09 g/mol
Exact mass268.9316
GradeReference Standard
Physical formSolid
XLogP31.3
H-bond donors / acceptors2 / 5
Topological polar surface area106 Ų
HS code38229090
InChIKeyZSHHRBYVHTVRFK-UHFFFAOYSA-N
SMILESC1=C(C(=CC(=C1S(=O)(=O)N)Cl)Cl)C(=O)O
PubChem CID17655
Synonyms5-(Aminosulfonyl)-2,4-dichlorobenzoic acid, 3-Sulfamoyl-4,6-dichlorobenzoic acid, 5-Aminosulfonyl-2,4-dichlorobenzoic acid, 5-Carboxy-2,4-dichlorobenzenesulfonamide, Benzoic acid, 5-(aminosulfonyl)-2,4-dichloro-, Lasamide, 2,4-Dichloro-5-sulfamoyl-benzoic acid, 2,4-Dichloro-5-sulphamoylbenzoic Acid, LeadQuest Compound 9, Furosemide Imp. B (EP), Furosemide Impurity B, V8I

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

Safety and GHS hazards

GHS05 Corrosive
Corrosive
GHS07 Irritant or harmful
Irritant or harmful

Signal word Danger

  • H315Causes skin irritation
  • H318Causes serious eye damage
  • H319Causes serious eye irritation
  • H335May cause respiratory irritation

Precautionary statements P261, P264, P264 + P265, P271, P280, P302 + P352, P304 + P340, P305 + P351 + P338, P305 + P354 + P338, P317, P319, P321, P332 + P317, P337 + P317, P362 + P364, P403 + P233, P405, P501

Classification summarised from public GHS notifications. It can vary with grade and concentration, so always follow the SDS supplied with your lot.

Pack sizes

Pack sizes of Furosemide EP Impurity B
10 mgQuoted on request
25 mgQuoted on request
50 mgQuoted on request
100 mgQuoted on request
250 mgQuoted on request
500 mgQuoted on request
1 gQuoted on request

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

Questions about Furosemide EP Impurity B

Which CAS number identifies Furosemide EP Impurity B?
Furosemide EP Impurity B is registered under CAS 2736-23-4. You may also see it listed as 5-(Aminosulfonyl)-2,4-dichlorobenzoic acid, 3-Sulfamoyl-4,6-dichlorobenzoic acid, 5-Aminosulfonyl-2,4-dichlorobenzoic acid. Our catalogue number for this item is ZX-005725.
What are the formula and molar mass of Furosemide EP Impurity B?
For Furosemide EP Impurity B, its formula is C7H5Cl2NO4S and its molar mass is 270.09 g/mol. The systematic (IUPAC) name is 2,4-dichloro-5-sulfamoylbenzoic acid. InChIKey ZSHHRBYVHTVRFK-UHFFFAOYSA-N lets you match it in any structure database.
How is Furosemide EP Impurity B used in pharmaceutical QC?
Furosemide EP Impurity B is a characterised reference material linked to Furosemide. 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 Furosemide EP Impurity B?
This listing is Reference Standard grade. Standard packs are 10 mg, 25 mg, 50 mg, 100 mg, 250 mg, 500 mg. Larger quantities and custom packing can be quoted on request.
Which documents come with Furosemide EP Impurity B?
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 Furosemide EP Impurity B to my country?
Yes. Because Furosemide EP Impurity B is classed as hazardous, it travels in UN-approved packaging as dangerous goods under IATA or IMDG rules, with the export paperwork your broker needs.

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