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Pharmacopeial Impurities (EP / USP / BP)

Bufexamac EP Impurity C

Reference StandardAvailable on request

Bufexamac EP Impurity C (CAS 1185726-73-1) supplier Zemixal. Request a quote with price, lead time and documents. Catalogue no. ZX-036437.

Pack sizes
Bufexamac EP Impurity C chemical structure
CAS number1185726-73-1
FormulaC16H24O3
Molar mass264.36 g/mol
Physical formSolid
HS code38229090
InChIKeyXANNDSOAOAKZDI-UHFFFAOYSA-N
IUPAC namebutyl 2-(4-butoxyphenyl)acetate

About Bufexamac EP Impurity C

Bufexamac EP Impurity C belongs to the Bufexamac reference-standard family in the Zemixal catalogue. Key data (Reference Standard): CAS 1185726-73-1, formula C16H24O3 and molar mass 264.36 g/mol. It is handled as a solid.

Where it is used

  • Pharmacopeial method verification
  • Impurity profiling
  • QC release testing
  • ANDA / DMF filings

Storage and safety notes

Classified under GHS with signal word Warning and hazard statements H302. Read the SDS before first use.

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. Send an enquiry through the quote panel and you get a formal offer with Incoterms and delivery time.

Reference standards for Bufexamac

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

Bufexamac standards

Typical uses

  • Pharmacopeial method verification
  • Impurity profiling
  • QC release testing
  • ANDA / DMF filings

Applications

Pharmaceutical Manufacturing and QCResearch Labs and Universities

Grade guides

Ph. Eur. Grade (European Pharmacopoeia)

Specifications and identifiers

Specifications of Bufexamac EP Impurity C
Product nameBufexamac EP Impurity C
Catalogue numberZX-036437
CAS number1185726-73-1
IUPAC namebutyl 2-(4-butoxyphenyl)acetate
Molecular formulaC16H24O3
Molar mass264.36 g/mol
Exact mass264.1725
GradeReference Standard
Physical formSolid
XLogP34.2
H-bond donors / acceptors0 / 3
Topological polar surface area35.5 Ų
HS code38229090
InChIKeyXANNDSOAOAKZDI-UHFFFAOYSA-N
SMILESCCCCOC1=CC=C(C=C1)CC(=O)OCCCC
PubChem CID70883705
SynonymsBufexamac - Impurity C, 4-n-Butoxyphenylacetic acid butyl ester, Butyl 4-butoxybenzeneacetate, Butyl (4-butoxyphenyl)acetate, Benzeneacetic acid, 4-butoxy-, butyl 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

  • H302Harmful if swallowed

Precautionary statements P264, P270, P301 + P317, P330, P501

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 Bufexamac EP Impurity C
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 Bufexamac EP Impurity C

Which CAS number identifies Bufexamac EP Impurity C?
Bufexamac EP Impurity C is registered under CAS 1185726-73-1. You may also see it listed as Bufexamac - Impurity C, 4-n-Butoxyphenylacetic acid butyl ester, Butyl 4-butoxybenzeneacetate. Our catalogue number for this item is ZX-036437.
What are the formula and molar mass of Bufexamac EP Impurity C?
For Bufexamac EP Impurity C, its formula is C16H24O3 and its molar mass is 264.36 g/mol. The systematic (IUPAC) name is butyl 2-(4-butoxyphenyl)acetate. InChIKey XANNDSOAOAKZDI-UHFFFAOYSA-N lets you match it in any structure database.
How is Bufexamac EP Impurity C used in pharmaceutical QC?
Bufexamac EP Impurity C is a characterised reference material linked to Bufexamac. 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 Bufexamac EP Impurity C?
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 Bufexamac EP Impurity C?
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 Bufexamac EP Impurity C to my country?
Yes. Because Bufexamac EP Impurity C 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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