Furosemide EP Impurity B

Name: Furosemide EP Impurity B
Brand: Vaqora Chemicals
SKU: VQ-006404

About Furosemide EP Impurity B

Furosemide EP Impurity B (CAS 2736-23-4) is a pharmacopeial impurity of Furosemide offered by Vaqora Chemicals. Formula C7H5Cl2NO4S, molecular weight 270.09 g/mol. Systematically, it is named 2,4-dichloro-5-sulfamoylbenzoic acid. It is also known as 5-(Aminosulfonyl)-2,4-dichlorobenzoic acid or 3-Sulfamoyl-4,6-dichlorobenzoic acid.

The product is provided as a solid. Reference materials should be stored sealed and away from light and moisture, as specified on the accompanying COA. Under GHS it is labelled “Danger”, so handle it with suitable PPE and consult the SDS.

As a characterised impurity of Furosemide, it is used for analytical method development, method validation (AMV) and routine quality-control testing, and it supports ANDA and DMF regulatory filings. Our customers for this product work in pharmaceutical manufacturing and academic and industrial research.

We offer Furosemide EP Impurity B in 10 mg, 25 mg, 50 mg and 100 mg packs with a batch-specific COA, and ship to customers worldwide. This item is currently in stock for prompt dispatch.

Typical applications

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

Industries

Related to Furosemide

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

Furosemide impurities

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	Furosemide EP Impurity B
Catalogue No.	VQ-006404
CAS Number	2736-23-4
IUPAC name	2,4-dichloro-5-sulfamoylbenzoic acid
Molecular formula	C₇H₅Cl₂NO₄S
Molecular weight	270.09 g/mol
Exact mass	268.9316
Grade	Reference Standard
HSN code	38229090
InChIKey	ZSHHRBYVHTVRFK-UHFFFAOYSA-N
SMILES	C1=C(C(=CC(=C1S(=O)(=O)N)Cl)Cl)C(=O)O
PubChem CID	17655

Physical properties
Physical form	Solid
LogP (XLogP3)	1.3
H-bond donors / acceptors	2 / 5
TPSA	106 Å²
Synonyms	5-(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

Safety & hazard information (GHS)

Corrosive

Harmful / irritant

Signal word: Danger

Hazard statements

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 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 Furosemide EP Impurity B?

The CAS Registry Number of Furosemide EP Impurity B is 2736-23-4. It is also known as 5-(Aminosulfonyl)-2,4-dichlorobenzoic acid, 3-Sulfamoyl-4,6-dichlorobenzoic acid, 5-Aminosulfonyl-2,4-dichlorobenzoic acid.

What is the molecular formula and molecular weight of Furosemide EP Impurity B?

Furosemide EP Impurity B has the molecular formula C7H5Cl2NO4S and a molecular weight of 270.09 g/mol. Its IUPAC name is 2,4-dichloro-5-sulfamoylbenzoic acid.

What is Furosemide EP Impurity B used for?

Furosemide EP Impurity B is supplied as a characterised reference material related to Furosemide. 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 Furosemide EP Impurity B can I order?

We supply Furosemide EP Impurity B in Reference Standard grade, in 10 mg, 25 mg, 50 mg, 100 mg, 250 mg, 500 mg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Furosemide EP Impurity B?

Yes. Every lot of Furosemide EP Impurity B 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 Furosemide EP Impurity B be shipped internationally?

Yes. Furosemide EP Impurity B 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.