Oxybuprocaine Hydrochloride EP Impurity C

About Oxybuprocaine Hydrochloride EP Impurity C

Oxybuprocaine Hydrochloride EP Impurity C is a pharmacopeial impurity of Tafamidis carrying the CAS registry number 2374-03-0. With the molecular formula C7H7NO3, it has a molar mass of 153.14 g/mol. The IUPAC name is 4-amino-3-hydroxybenzoic acid. Common synonyms include Oxybuprocaine Hydrochloride - Impurity C and Oxybuprocaine Hydrochloride Impurity C.

It is supplied 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 “Warning”, so handle it with suitable PPE and consult the SDS.

Pharmaceutical QC and development laboratories use this impurity standard of Tafamidis to develop and validate HPLC methods, to set specification limits and to document impurity profiles in ANDA and DMF submissions. Our customers for this product work in pharmaceutical manufacturing and academic and industrial research.

Standard pack sizes are 10 mg, 25 mg, 50 mg and 100 mg, and every batch ships with a Certificate of Analysis (COA) and we export worldwide.

Typical applications

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

Industries

Related to Tafamidis

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

Tafamidis impurities

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	Oxybuprocaine Hydrochloride EP Impurity C
Catalogue No.	VQ-023437
CAS Number	2374-03-0
IUPAC name	4-amino-3-hydroxybenzoic acid
Molecular formula	C₇H₇NO₃
Molecular weight	153.14 g/mol
Exact mass	153.0426
Grade	Reference Standard
HSN code	38229090
InChIKey	NFPYJDZQOKCYIE-UHFFFAOYSA-N
SMILES	C1=CC(=C(C=C1C(=O)O)O)N
PubChem CID	137566

Physical properties
Physical form	Solid
LogP (XLogP3)	0.8
H-bond donors / acceptors	3 / 4
TPSA	83.6 Å²
Synonyms	Oxybuprocaine Hydrochloride - Impurity C, Oxybuprocaine Hydrochloride Impurity C, benzoic acid, 4-amino-3-hydroxy-, 3-hydroxy-4-aminobenzoic acid, 4-Amino-3-hydroxy benzoic acid, 3-Hydroxy-p-aminobenzoic acid, (4-Carboxy-2-hydroxyphenyl)amine, Tafamidis intermediate, 2hdr, 4-Amino-3-hydroxybenzoicAcid, 4-amino-3-hydroxy-benzoic acid, 3-Hydroxy-PABA

Safety & hazard information (GHS)

Harmful / irritant

Signal word: Warning

Hazard statements

H302Harmful if swallowed
H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation

Precautionary statements: P261, P264, P264 + P265, P270, P271, P280, P301 + P317, P302 + P352, P304 + P340, P305 + P351 + P338, P319, P321, P330, 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 Oxybuprocaine Hydrochloride EP Impurity C?

The CAS Registry Number of Oxybuprocaine Hydrochloride EP Impurity C is 2374-03-0. It is also known as Oxybuprocaine Hydrochloride - Impurity C, Oxybuprocaine Hydrochloride Impurity C, benzoic acid, 4-amino-3-hydroxy-.

What is the molecular formula and molecular weight of Oxybuprocaine Hydrochloride EP Impurity C?

Oxybuprocaine Hydrochloride EP Impurity C has the molecular formula C7H7NO3 and a molecular weight of 153.14 g/mol. Its IUPAC name is 4-amino-3-hydroxybenzoic acid.

What is Oxybuprocaine Hydrochloride EP Impurity C used for?

Oxybuprocaine Hydrochloride EP Impurity C is supplied as a characterised reference material related to Tafamidis. 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 Oxybuprocaine Hydrochloride EP Impurity C can I order?

We supply Oxybuprocaine Hydrochloride EP Impurity C 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 Oxybuprocaine Hydrochloride EP Impurity C?

Yes. Every lot of Oxybuprocaine Hydrochloride EP Impurity C 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 Oxybuprocaine Hydrochloride EP Impurity C be shipped internationally?

Yes. Oxybuprocaine Hydrochloride EP Impurity C 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.