4-Aminophthalic Acid

Name: 4-Aminophthalic Acid
Brand: Vaqora Chemicals
SKU: VQ-049695

About 4-Aminophthalic Acid

Vaqora Chemicals supplies 4-Aminophthalic Acid, a process intermediate or related compound of Pomalidomide registered under CAS number 5434-21-9. Its molecular formula is C8H7NO4 and its molecular weight is 181.15 g/mol. Common synonyms include 1,2-Benzenedicarboxylic acid, 4-amino- and 4-Aminophthalate.

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.

It is a process intermediate or related compound in the synthesis of Pomalidomide, useful for route development, impurity fate-and-purge studies and analytical method development. Buyers come mainly from pharmaceutical manufacturing and academic and industrial research.

Available in 10 mg, 25 mg, 50 mg and 100 mg packs, 4-Aminophthalic Acid is dispatched with a Certificate of Analysis (COA) to destinations worldwide.

Typical applications

API route development
Impurity fate & purge studies
Analytical method development

Industries

Related to Pomalidomide

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

Pomalidomide impurities

Specifications & identifiers

Chemical identifiers
Product name	4-Aminophthalic Acid
Catalogue No.	VQ-049695
CAS Number	5434-21-9
IUPAC name	4-aminophthalic acid
Molecular formula	C₈H₇NO₄
Molecular weight	181.15 g/mol
Exact mass	181.0375
HSN code	2933
InChIKey	OXSANYRLJHSQEP-UHFFFAOYSA-N
SMILES	C1=CC(=C(C=C1N)C(=O)O)C(=O)O
PubChem CID	72912

Physical properties
Physical form	Solid
LogP (XLogP3)	0.7
H-bond donors / acceptors	3 / 5
TPSA	101 Å²
Synonyms	1,2-Benzenedicarboxylic acid, 4-amino-, 4-Aminophthalate, 4-aminobenzene-1,2-dicarboxylic acid, 4-Amino-1,2-benzenedicarboxylic acid, 4-Aminophthalic Acid(Contains 3-Aminophthalic Acid), ghl.PD_Mitscher_leg0.1208, 4-amino-2-benzenedicarboxylicacid

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 4-Aminophthalic Acid?

The CAS Registry Number of 4-Aminophthalic Acid is 5434-21-9. It is also known as 1,2-Benzenedicarboxylic acid, 4-amino-, 4-Aminophthalate, 4-aminobenzene-1,2-dicarboxylic acid.

What is the molecular formula and molecular weight of 4-Aminophthalic Acid?

4-Aminophthalic Acid has the molecular formula C8H7NO4 and a molecular weight of 181.15 g/mol. Its IUPAC name is 4-aminophthalic acid.

What is 4-Aminophthalic Acid used for?

4-Aminophthalic Acid is supplied as a characterised reference material related to Pomalidomide. 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 4-Aminophthalic Acid can I order?

We supply 4-Aminophthalic Acid, 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 4-Aminophthalic Acid?

Yes. Every lot of 4-Aminophthalic 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 4-Aminophthalic Acid be shipped internationally?

Yes. 4-Aminophthalic 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.