Shipping to 128 countriesCOA and SDS with every lotQuotes within one business day
contact@zemixal.com
Bulk CASAccount
Pharmacopeial Impurities (EP / USP / BP)

Bufexamac EP Impurity A

Reference StandardAvailable on request

Buy Bufexamac EP Impurity A (CAS 4547-57-3) from Zemixal. Lab and bulk packs, batch COA, fast global delivery. Catalogue no. ZX-032809.

Pack sizes
Bufexamac EP Impurity A chemical structure
CAS number4547-57-3
FormulaC12H16O3
Molar mass208.25 g/mol
Physical formSolid
HS code38229090
InChIKeyKLJMYYFCWBVKEE-UHFFFAOYSA-N
IUPAC name2-(4-butoxyphenyl)acetic acid

About Bufexamac EP Impurity A

Bufexamac EP Impurity A belongs to the Bufexamac reference-standard family in the Zemixal catalogue. Key data (Reference Standard): CAS 4547-57-3, formula C12H16O3 and molar mass 208.25 g/mol. It is handled as a solid.

Where it is used

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

Safe handling

Hazard communication follows GHS (Warning: H302, H315, H319 and H335). Our SDS lists exposure controls and first-aid measures.

Available as 10 mg, 25 mg, 50 mg and 100 mg. Larger or split packs can be arranged. Each lot travels with a certificate of analysis with characterisation data. 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 A
Product nameBufexamac EP Impurity A
Catalogue numberZX-032809
CAS number4547-57-3
IUPAC name2-(4-butoxyphenyl)acetic acid
Molecular formulaC12H16O3
Molar mass208.25 g/mol
Exact mass208.1099
GradeReference Standard
Physical formSolid
XLogP32.8
H-bond donors / acceptors1 / 3
Topological polar surface area46.5 Ų
HS code38229090
InChIKeyKLJMYYFCWBVKEE-UHFFFAOYSA-N
SMILESCCCCOC1=CC=C(C=C1)CC(=O)O
PubChem CID78304
Synonyms(4-n-Butoxyphenyl)acetic acid, Bufexamac - Impurity A, 4-Butoxyphenylacetic acid, 4-n-Butoxyphenylacetic acid, Benzeneacetic acid, 4-butoxy-, Acetic acid, (p-butoxyphenyl)-, p-Butoxyphenylacetic acid, 4-Butoxybenzeneacetic acid, (p-Butoxyphenyl)acetic acid, Benzeneacetic acid, 4-butoxy-(9CI), (4-butoxyphenyl)acetic acid, 4-(n-Butoxyphenyl)acetic acid

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
  • H315Causes skin irritation
  • H319Causes serious eye irritation
  • H335May cause respiratory irritation

Precautionary statements P261, P264, P264 + P265, P270, P271, P280, P301 + P317, P302 + P352, P304 + P340, P305 + P351 + P338, P319, P321, P330, P332 + P317, P337 + P317, P362 + P364, P403 + P233, P405, 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 A
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 A

Which CAS number identifies Bufexamac EP Impurity A?
Bufexamac EP Impurity A is registered under CAS 4547-57-3. You may also see it listed as (4-n-Butoxyphenyl)acetic acid, Bufexamac - Impurity A, 4-Butoxyphenylacetic acid. Our catalogue number for this item is ZX-032809.
What are the formula and molar mass of Bufexamac EP Impurity A?
For Bufexamac EP Impurity A, its formula is C12H16O3 and its molar mass is 208.25 g/mol. The systematic (IUPAC) name is 2-(4-butoxyphenyl)acetic acid. InChIKey KLJMYYFCWBVKEE-UHFFFAOYSA-N lets you match it in any structure database.
How is Bufexamac EP Impurity A used in pharmaceutical QC?
Bufexamac EP Impurity A 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 A?
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 A?
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 A to my country?
Yes. Because Bufexamac EP Impurity A 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.

More Bufexamac standards

More in Pharmacopeial Impurities (EP / USP / BP)

Have a list of compounds to price?

Paste up to 200 CAS numbers into Bulk CAS lookup, or send one enquiry for everything in your quote list. We reply with price, lead time and documents.

Bulk CAS lookup Open quote list
Compare 0 of 4Compare now