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API Impurities

Pentyl Paraben

Reference StandardAvailable on request

Buy Pentyl Paraben (CAS 6521-29-5) from Zemixal: C12H16O3, COA and SDS with every lot, worldwide shipping. Catalogue no. ZX-036442.

Pack sizes
Pentyl Paraben chemical structure
CAS number6521-29-5
FormulaC12H16O3
Molar mass208.25 g/mol
Physical formSolid
HS code38229090
InChIKeyZNSSPLQZSUWFJT-UHFFFAOYSA-N
IUPAC namepentyl 4-hydroxybenzoate

About Pentyl Paraben

Pentyl Paraben is supplied by Zemixal as a characterised reference material for Paraben analysis. For your records (Reference Standard), the material is defined by CAS 6521-29-5, formula C12H16O3 and molar mass 208.25 g/mol. It is handled as a solid.

Common uses in the lab and plant

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

Safe handling

Hazard communication follows GHS (Warning: H315 and H319). Our SDS lists exposure controls and first-aid measures.

Standard pack sizes are 10 mg, 25 mg, 50 mg and 100 mg, and custom quantities are quoted on request. You receive a certificate of analysis with characterisation data with each order. Request pricing online and we confirm availability, documentation and freight to your country.

Reference standards for Paraben

See every impurity, metabolite and related compound we list for this API.

Paraben standards

Typical uses

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

Applications

Specifications and identifiers

Specifications of Pentyl Paraben
Product namePentyl Paraben
Catalogue numberZX-036442
CAS number6521-29-5
IUPAC namepentyl 4-hydroxybenzoate
Molecular formulaC12H16O3
Molar mass208.25 g/mol
Exact mass208.1099
GradeReference Standard
Physical formSolid
XLogP33.8
H-bond donors / acceptors1 / 3
Topological polar surface area46.5 Ų
HS code38229090
InChIKeyZNSSPLQZSUWFJT-UHFFFAOYSA-N
SMILESCCCCCOC(=O)C1=CC=C(C=C1)O
PubChem CID23019
SynonymsAmyl 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

Lot values are stated on the batch certificate of analysis. Ask for a typical COA with your quotation.

Safety and GHS hazards

GHS07 Irritant or harmful
Irritant or harmful

Signal word Warning

  • 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 summarised from public GHS notifications. It can vary with grade and concentration, so always follow the SDS supplied with your lot.

Pack sizes

Pack sizes of Pentyl Paraben
10 mgQuoted on request
25 mgQuoted on request
50 mgQuoted on request
100 mgQuoted on request

Need a different size? Bulk drums and custom packing are quoted on request through the quote form on this page.

Questions about Pentyl Paraben

Which CAS number identifies Pentyl Paraben?
Pentyl Paraben is registered under CAS 6521-29-5. You may also see it listed as Amyl 4-hydroxybenzoate, Pentyl p-hydroxybenzoate, p-Hydroxybenzoic acid pentyl ester. Our catalogue number for this item is ZX-036442.
What are the formula and molar mass of Pentyl Paraben?
For Pentyl Paraben, its formula is C12H16O3 and its molar mass is 208.25 g/mol. The systematic (IUPAC) name is pentyl 4-hydroxybenzoate. InChIKey ZNSSPLQZSUWFJT-UHFFFAOYSA-N lets you match it in any structure database.
How is Pentyl Paraben used in pharmaceutical QC?
Pentyl Paraben is a characterised reference material linked to Paraben. Laboratories use it to identify and quantify this impurity during method development and validation, stability work, batch release testing and regulatory submissions.
What grade and pack sizes are available for Pentyl Paraben?
This listing is Reference Standard grade. Standard packs are 10 mg, 25 mg, 50 mg, 100 mg. Larger quantities and custom packing can be quoted on request.
Which documents come with Pentyl Paraben?
Each lot ships with a batch certificate of analysis and a 16-section GHS safety data sheet. A typical COA or specification sheet can be shared with the quotation before you order.
Can Zemixal ship Pentyl Paraben to my country?
Yes. Because Pentyl Paraben is classed as hazardous, it travels in UN-approved packaging as dangerous goods under IATA or IMDG rules, with the export paperwork your broker needs.

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