Fluorescein EP Impurity C

Name: Fluorescein EP Impurity C
Brand: Vaqora Chemicals
SKU: VQ-030800

About Fluorescein EP Impurity C

Vaqora Chemicals supplies Fluorescein EP Impurity C, a pharmacopeial impurity of Fluorescein registered under CAS number 2513-33-9. Its molecular formula is C14H10O5 and its molecular weight is 258.23 g/mol. Systematically, it is named 2-(2,4-dihydroxybenzoyl)benzoic acid. It is also known as Fluorescein - Impurity C or Fluorescein Related Compound C.

It is supplied as a solid. Store the standard in its sealed vial, protected from light and moisture, and follow the storage condition printed on the COA. Under GHS it is labelled “Warning”, so handle it with suitable PPE and consult the SDS.

As a characterised impurity of Fluorescein, 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.

Vaqora Chemicals supplies Fluorescein EP Impurity C in 10 mg, 25 mg, 50 mg and 100 mg packs, each shipped with a Certificate of Analysis (COA), and exports worldwide.

Typical applications

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

Industries

Related to Fluorescein

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

Fluorescein impurities

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	Fluorescein EP Impurity C
Catalogue No.	VQ-030800
CAS Number	2513-33-9
IUPAC name	2-(2,4-dihydroxybenzoyl)benzoic acid
Molecular formula	C₁₄H₁₀O₅
Molecular weight	258.23 g/mol
Exact mass	258.0528
Grade	Reference Standard
HSN code	38229090
InChIKey	KIEFFPFIBREPIX-UHFFFAOYSA-N
SMILES	C1=CC=C(C(=C1)C(=O)C2=C(C=C(C=C2)O)O)C(=O)O
PubChem CID	225394

Physical properties
Physical form	Solid
LogP (XLogP3)	3
H-bond donors / acceptors	3 / 5
TPSA	94.8 Å²
Synonyms	Fluorescein - Impurity C, Fluorescein Related Compound C, 2',4'-Dihydroxy-2-benzoylbenzoic Acid, Benzoic acid, 2-(2,4-dihydroxybenzoyl)-, 2-(2',4'-Dihydroxybenzoyl)benzoic Acid, 2-Carboxy-2',4'-dihydroxybenzophenone, Benzoic acid, o-beta-resorcyloyl-, 2'-Carboxy-2,4-dihydroxybenzophenone, Fluorescein impurity C, o-beta-Resorcyloylbenzoic Acid, Aspirin impurity G, Benzoic acid,2-(2,4-dihydroxybenzoyl)-

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 Fluorescein EP Impurity C?

The CAS Registry Number of Fluorescein EP Impurity C is 2513-33-9. It is also known as Fluorescein - Impurity C, Fluorescein Related Compound C, 2',4'-Dihydroxy-2-benzoylbenzoic Acid.

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

Fluorescein EP Impurity C has the molecular formula C14H10O5 and a molecular weight of 258.23 g/mol. Its IUPAC name is 2-(2,4-dihydroxybenzoyl)benzoic acid.

What is Fluorescein EP Impurity C used for?

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

We supply Fluorescein 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 Fluorescein EP Impurity C?

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

Yes. Fluorescein 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.