Probenecid EP Impurity A

Name: Probenecid EP Impurity A
Brand: Vaqora Chemicals
SKU: VQ-027629

About Probenecid EP Impurity A

Listed under CAS 636-78-2, Probenecid EP Impurity A is a pharmacopeial impurity of Probenecid available from Vaqora Chemicals. Formula C7H6O5S, molecular weight 202.19 g/mol. Its systematic (IUPAC) name is 4-sulfobenzoic acid. It is also known as Probenecid - Impurity A or 4-Sulfobenzoate.

It is supplied as a solid. Keep the vial tightly closed, protected from light and humidity, at the temperature stated on the Certificate of Analysis. Under GHS it is labelled “Danger”, so handle it with suitable PPE and consult the SDS.

This Probenecid 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.

Available in 10 mg, 25 mg, 50 mg and 100 mg packs, Probenecid EP Impurity A is dispatched with a Certificate of Analysis (COA) to destinations worldwide.

Typical applications

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

Industries

Related to Probenecid

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

Probenecid impurities

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	Probenecid EP Impurity A
Catalogue No.	VQ-027629
CAS Number	636-78-2
IUPAC name	4-sulfobenzoic acid
Molecular formula	C₇H₆O₅S
Molecular weight	202.19 g/mol
Exact mass	201.9936
Grade	Reference Standard
HSN code	38229090
InChIKey	HWAQOZGATRIYQG-UHFFFAOYSA-N
SMILES	C1=CC(=CC=C1C(=O)O)S(=O)(=O)O
PubChem CID	69469

Physical properties
Physical form	Solid
LogP (XLogP3)	0.2
H-bond donors / acceptors	2 / 5
TPSA	100 Å²
Synonyms	Probenecid - Impurity A, 4-Sulfobenzoate, p-Sulfobenzoic acid, Benzoic acid, 4-sulfo-, para-Sulfobenzoic acid, para-Sulphobenzoic acid, 4-sulfobenzoicacid, 4-sulphobenzoic acid, 4-carboxybenzenesulfonic acid, 4-sulfobenzoicaci, 4-Sulfo-benzoesaeure, 4-Sulfo-benzoic acid

Safety & hazard information (GHS)

Corrosive

Signal word: Danger

Hazard statements

H314Causes severe skin burns and eye damage

Precautionary statements: P260, P264, P280, P301 + P330 + P331, P302 + P361 + P354, P304 + P340, P305 + P354 + P338, P316, P321, P363, 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 Probenecid EP Impurity A?

The CAS Registry Number of Probenecid EP Impurity A is 636-78-2. It is also known as Probenecid - Impurity A, 4-Sulfobenzoate, p-Sulfobenzoic acid.

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

Probenecid EP Impurity A has the molecular formula C7H6O5S and a molecular weight of 202.19 g/mol. Its IUPAC name is 4-sulfobenzoic acid.

What is Probenecid EP Impurity A used for?

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

We supply Probenecid 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 Probenecid EP Impurity A?

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

Yes. Probenecid EP Impurity A 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.