3,4-Difluorophenylacetic acid

Name: 3,4-Difluorophenylacetic acid
Brand: Vaqora Chemicals
SKU: VQ-027307

About 3,4-Difluorophenylacetic acid

Listed under CAS 658-93-5, 3,4-Difluorophenylacetic acid is an impurity of Sitagliptin available from Vaqora Chemicals. With the molecular formula C8H6F2O2, it has a molar mass of 172.13 g/mol. Systematically, it is named 2-(3,4-difluorophenyl)acetic acid. It is also known as 3,4-DFAA or Benzeneacetic acid, 3,4-difluoro-.

It is supplied as a solid. Reference materials should be stored sealed and away from light and moisture, as specified on the accompanying COA. It carries the GHS signal word “Warning” with 3 hazard statements. Review the Safety Data Sheet before use.

As a characterised impurity of Sitagliptin, it is used for analytical method development, method validation (AMV) and routine quality-control testing, and it supports ANDA and DMF regulatory filings. Typical end-use sectors are pharmaceutical manufacturing and academic and industrial research.

Available in 10 mg, 25 mg, 50 mg and 100 mg packs, 3,4-Difluorophenylacetic acid 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 Sitagliptin

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

Sitagliptin impurities

Specifications & identifiers

Chemical identifiers
Product name	3,4-Difluorophenylacetic acid
Catalogue No.	VQ-027307
CAS Number	658-93-5
IUPAC name	2-(3,4-difluorophenyl)acetic acid
Molecular formula	C₈H₆F₂O₂
Molecular weight	172.13 g/mol
Exact mass	172.0336
Grade	Reference Standard
HSN code	38229090
InChIKey	YCAKYFIYUHHCKW-UHFFFAOYSA-N
SMILES	C1=CC(=C(C=C1CC(=O)O)F)F
PubChem CID	69571

Physical properties
Physical form	Solid
LogP (XLogP3)	1.6
H-bond donors / acceptors	1 / 4
TPSA	37.3 Å²

Safety & hazard information (GHS)

Harmful / irritant

Signal word: Warning

Hazard statements

H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation

Precautionary statements: P261, P264, P264 + P265, P271, P280, P302 + P352, P304 + P340, P305 + P351 + P338, 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 3,4-Difluorophenylacetic acid?

The CAS Registry Number of 3,4-Difluorophenylacetic acid is 658-93-5. It is also known as 3,4-DFAA, Benzeneacetic acid, 3,4-difluoro-.

What is the molecular formula and molecular weight of 3,4-Difluorophenylacetic acid?

3,4-Difluorophenylacetic acid has the molecular formula C8H6F2O2 and a molecular weight of 172.13 g/mol. Its IUPAC name is 2-(3,4-difluorophenyl)acetic acid.

What is 3,4-Difluorophenylacetic acid used for?

3,4-Difluorophenylacetic acid is supplied as a characterised reference material related to Sitagliptin. 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 3,4-Difluorophenylacetic acid can I order?

We supply 3,4-Difluorophenylacetic acid 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 3,4-Difluorophenylacetic acid?

Yes. Every lot of 3,4-Difluorophenylacetic acid 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 3,4-Difluorophenylacetic acid be shipped internationally?

Yes. 3,4-Difluorophenylacetic acid 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.