2,3-Dichlorobenzoic Anhydride

Name: 2,3-Dichlorobenzoic Anhydride
Brand: Vaqora Chemicals
SKU: VQ-037870

About 2,3-Dichlorobenzoic Anhydride

2,3-Dichlorobenzoic Anhydride (CAS 51417-52-8) is an impurity of Lamotrigine offered by Vaqora Chemicals. The compound has the formula C14H6Cl4O3, corresponding to a molecular weight of 364.0 g/mol. Systematically, it is named (2,4-dichlorobenzoyl) 2,4-dichlorobenzoate. Common synonyms include Benzoic acid, 2,4-dichloro-, anhydride and 2,4-dichlorobenzoic anhydride.

The product is provided as a solid. Keep the vial tightly closed, protected from light and humidity, at the temperature stated on the Certificate of Analysis. The GHS classification uses the signal word “Warning”, so appropriate gloves, eye protection and ventilation are recommended.

Pharmaceutical QC and development laboratories use this impurity standard of Lamotrigine 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.

Available in 10 mg, 25 mg, 50 mg and 100 mg packs, 2,3-Dichlorobenzoic Anhydride is dispatched with a Certificate of Analysis (COA) to destinations worldwide.

Typical applications

Analytical method development
Method validation (AMV)
QC release testing
ANDA / DMF filings

Industries

Related to Lamotrigine

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

Lamotrigine impurities

Specifications & identifiers

Chemical identifiers
Product name	2,3-Dichlorobenzoic Anhydride
Catalogue No.	VQ-037870
CAS Number	51417-52-8
IUPAC name	(2,4-dichlorobenzoyl) 2,4-dichlorobenzoate
Molecular formula	C₁₄H₆Cl₄O₃
Molecular weight	364 g/mol
Exact mass	363.9042
Grade	Reference Standard
HSN code	38229090
InChIKey	MEIRCVABHWFXDR-UHFFFAOYSA-N
SMILES	C1=CC(=C(C=C1Cl)Cl)C(=O)OC(=O)C2=C(C=C(C=C2)Cl)Cl
PubChem CID	14822859

Physical properties
Physical form	Solid
LogP (XLogP3)	5.7
H-bond donors / acceptors	0 / 3
TPSA	43.4 Å²

Safety & hazard information (GHS)

Harmful / irritant

Environmental hazard

Signal word: Warning

Hazard statements

H317May cause an allergic skin reaction
H400Very toxic to aquatic life
H410Very toxic to aquatic life with long lasting effects
H413May cause long lasting harmful effects to aquatic life

Precautionary statements: P261, P272, P273, P280, P302 + P352, P321, P333 + P317, P362 + P364, P391, 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 2,3-Dichlorobenzoic Anhydride?

The CAS Registry Number of 2,3-Dichlorobenzoic Anhydride is 51417-52-8. It is also known as Benzoic acid, 2,4-dichloro-, anhydride, 2,4-dichlorobenzoic anhydride.

What is the molecular formula and molecular weight of 2,3-Dichlorobenzoic Anhydride?

2,3-Dichlorobenzoic Anhydride has the molecular formula C14H6Cl4O3 and a molecular weight of 364 g/mol. Its IUPAC name is (2,4-dichlorobenzoyl) 2,4-dichlorobenzoate.

What is 2,3-Dichlorobenzoic Anhydride used for?

2,3-Dichlorobenzoic Anhydride is supplied as a characterised reference material related to Lamotrigine. 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 2,3-Dichlorobenzoic Anhydride can I order?

We supply 2,3-Dichlorobenzoic Anhydride 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 2,3-Dichlorobenzoic Anhydride?

Yes. Every lot of 2,3-Dichlorobenzoic Anhydride 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 2,3-Dichlorobenzoic Anhydride be shipped internationally?

Yes. 2,3-Dichlorobenzoic Anhydride 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.