4-Acetamidobenzoic acid, 98%

Name: 4-Acetamidobenzoic acid, 98%
Brand: Vaqora Chemicals
SKU: VQ-002365

About 4-Acetamidobenzoic acid, 98%

Listed under CAS 556-08-1, 4-Acetamidobenzoic acid is a peptide synthesis reagent available from Vaqora Chemicals, specified at 98% purity. Its molecular formula is C9H9NO3 and its molecular weight is 179.17 g/mol. Alternative names: N-Acetyl-PABA and p-Acetamidobenzoic acid.

In its supplied form it is a white to off-white powder. Reported physical data include a melting point of 259-262 °C. Store in a tightly closed container in a cool, dry and well-ventilated place. The GHS classification uses the signal word “Warning”, so appropriate gloves, eye protection and ventilation are recommended.

Key uses span peptide coupling, solid-phase peptide synthesis and bioconjugation. Our customers for this product work in academic and industrial research and diagnostics and biotechnology.

We offer 4-Acetamidobenzoic acid in 10 g, 50 g and 1 kg packs with a batch-specific COA, and ship to customers worldwide.

Typical applications

Peptide coupling
Solid-phase peptide synthesis
Bioconjugation

Industries

Specifications & identifiers

Chemical identifiers
Product name	4-Acetamidobenzoic acid, 98%
Catalogue No.	VQ-002365
CAS Number	556-08-1
IUPAC name	4-acetamidobenzoic acid
Molecular formula	C₉H₉NO₃
Molecular weight	179.17 g/mol
Exact mass	179.0582
Purity / assay	98%
HSN code	29399900
InChIKey	QCXJEYYXVJIFCE-UHFFFAOYSA-N
SMILES	CC(=O)NC1=CC=C(C=C1)C(=O)O
PubChem CID	19266

Physical properties
Physical form	Powder
Appearance	White to off-white powder
Melting point	259-262 °C
LogP (XLogP3)	1.3
H-bond donors / acceptors	2 / 3
TPSA	66.4 Å²
Synonyms	N-Acetyl-PABA, p-Acetamidobenzoic acid, 4-(Acetylamino)benzoic acid, 4-Acetylaminobenzoic acid, 4-Carboxyacetanilide, Benzoic acid, 4-(acetylamino)-, p-Acetylaminobenzoic acid, p-Acetoaminobenzoic acid, N-Acetyl-p-aminobenzoic acid, Acedobene, p-Acetaminobenzoic acid, Para Acetamido Benzoic Acid

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-Acetamidobenzoic acid, 98%?

The CAS Registry Number of 4-Acetamidobenzoic acid, 98% is 556-08-1. It is also known as N-Acetyl-PABA, p-Acetamidobenzoic acid, 4-(Acetylamino)benzoic acid.

What is the molecular formula and molecular weight of 4-Acetamidobenzoic acid, 98%?

4-Acetamidobenzoic acid, 98% has the molecular formula C9H9NO3 and a molecular weight of 179.17 g/mol. Its IUPAC name is 4-acetamidobenzoic acid.

Which grade and pack sizes of 4-Acetamidobenzoic acid, 98% can I order?

We supply 4-Acetamidobenzoic acid, 98% in (98%) grade, in 10 g, 50 g, 1 kg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with 4-Acetamidobenzoic acid, 98%?

Yes. Every lot of 4-Acetamidobenzoic acid, 98% 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-Acetamidobenzoic acid, 98% be shipped internationally?

Yes. 4-Acetamidobenzoic acid, 98% 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.