Pentyl Paraben

About Pentyl Paraben

Pentyl Paraben is an impurity of Paraben carrying the CAS registry number 6521-29-5. The compound has the formula C12H16O3, corresponding to a molecular weight of 208.25 g/mol. Its systematic (IUPAC) name is pentyl 4-hydroxybenzoate. Common synonyms include Amyl 4-hydroxybenzoate and Pentyl p-hydroxybenzoate.

The product is provided as a solid. Reference materials should be stored sealed and away from light and moisture, as specified on the accompanying COA. The GHS classification uses the signal word “Warning”, so appropriate gloves, eye protection and ventilation are recommended.

This Paraben impurity supports analytical method development and validation (AMV), batch release testing and the impurity sections of ANDA and DMF filings. It is used across pharmaceutical manufacturing and academic and industrial research.

We offer Pentyl Paraben in 10 mg, 25 mg, 50 mg and 100 mg packs with a batch-specific COA, and ship to customers worldwide.

Typical applications

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

Industries

Related to Paraben

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

Paraben impurities

Specifications & identifiers

Chemical identifiers
Product name	Pentyl Paraben
Catalogue No.	VQ-043088
CAS Number	6521-29-5
IUPAC name	pentyl 4-hydroxybenzoate
Molecular formula	C₁₂H₁₆O₃
Molecular weight	208.25 g/mol
Exact mass	208.1099
Grade	Reference Standard
HSN code	38229090
InChIKey	ZNSSPLQZSUWFJT-UHFFFAOYSA-N
SMILES	CCCCCOC(=O)C1=CC=C(C=C1)O
PubChem CID	23019

Physical properties
Physical form	Solid
LogP (XLogP3)	3.8
H-bond donors / acceptors	1 / 3
TPSA	46.5 Å²
Synonyms	Amyl 4-hydroxybenzoate, Pentyl p-hydroxybenzoate, p-Hydroxybenzoic acid pentyl ester, p-Oxybenzoesaurepentylester, Amyl p-Hydroxybenzoate, 4-Hydroxybenzoic Acid n-Amyl Ester, n-Pentyl 4-hydroxybenzoate, Benzoic acid, 4-hydroxy-, pentyl ester, n-Amyl 4-hydroxybenzoate, BENZOIC ACID, p-HYDROXY-, PENTYL ESTER, 4-Hydroxybenzoic Acid Amyl Ester, 4-Hydroxybenzoic acid-n-pentyl ester

Safety & hazard information (GHS)

Harmful / irritant

Signal word: Warning

Hazard statements

H315Causes skin irritation
H319Causes serious eye irritation

Precautionary statements: P264, P264 + P265, P280, P302 + P352, P305 + P351 + P338, P321, P332 + P317, P337 + P317, P362 + P364

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 Pentyl Paraben?

The CAS Registry Number of Pentyl Paraben is 6521-29-5. It is also known as Amyl 4-hydroxybenzoate, Pentyl p-hydroxybenzoate, p-Hydroxybenzoic acid pentyl ester.

What is the molecular formula and molecular weight of Pentyl Paraben?

Pentyl Paraben has the molecular formula C12H16O3 and a molecular weight of 208.25 g/mol. Its IUPAC name is pentyl 4-hydroxybenzoate.

What is Pentyl Paraben used for?

Pentyl Paraben is supplied as a characterised reference material related to Paraben. 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 Pentyl Paraben can I order?

We supply Pentyl Paraben 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 Pentyl Paraben?

Yes. Every lot of Pentyl Paraben 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 Pentyl Paraben be shipped internationally?

Yes. Pentyl Paraben 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.