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Metabolites & Degradation Products

2-Bromo-4-hydroxybenzoic acid

Reference StandardAvailable on request

Order 2-Bromo-4-hydroxybenzoic acid (CAS 28547-28-6) online at Zemixal. Lab and bulk packs, batch COA, fast global delivery.

Pack sizes
2-Bromo-4-hydroxybenzoic acid chemical structure
CAS number28547-28-6
FormulaC7H5BrO3
Molar mass217.02 g/mol
Physical formSolid
HS code38229090
InChIKeyPOGXJMWDTFROTM-UHFFFAOYSA-N
IUPAC name2-bromo-4-hydroxybenzoic acid

About 2-Bromo-4-hydroxybenzoic acid

Analytical teams working on Crisaborole use 2-Bromo-4-hydroxybenzoic acid as a qualified comparison standard. For your records (Reference Standard), the material is defined by CAS 28547-28-6, formula C7H5BrO3 and molar mass 217.02 g/mol. It is handled as a solid.

Use cases we see most often

  • Metabolite identification
  • Stability-indicating methods
  • Impurity profiling

Safe handling

Classified under GHS with signal word Danger and hazard statements H318 and H335. Read the SDS before first use.

Available as 10 mg, 25 mg, 50 mg and 100 mg. Larger or split packs can be arranged. Every shipment includes a certificate of analysis with characterisation data. Add it to your quote list and our team replies with price, lead time and shipping options within one business day.

Reference standards for Crisaborole

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

Crisaborole standards

Typical uses

  • Metabolite identification
  • Stability-indicating methods
  • Impurity profiling

Applications

Pharmaceutical Manufacturing and QCResearch Labs and Universities

Specifications and identifiers

Specifications of 2-Bromo-4-hydroxybenzoic acid
Product name2-Bromo-4-hydroxybenzoic acid
Catalogue numberZX-028744
CAS number28547-28-6
IUPAC name2-bromo-4-hydroxybenzoic acid
Molecular formulaC7H5BrO3
Molar mass217.02 g/mol
Exact mass215.9422
GradeReference Standard
Physical formSolid
XLogP32.1
H-bond donors / acceptors2 / 3
Topological polar surface area57.5 Ų
HS code38229090
InChIKeyPOGXJMWDTFROTM-UHFFFAOYSA-N
SMILESC1=CC(=C(C=C1O)Br)C(=O)O
PubChem CID14797203
SynonymsBenzoic acid, 2-bromo-4-hydroxy-, Brom-p-oxybenzoesaure

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

Safety and GHS hazards

GHS05 Corrosive
Corrosive
GHS07 Irritant or harmful
Irritant or harmful

Signal word Danger

  • H318Causes serious eye damage
  • H335May cause respiratory irritation

Precautionary statements P261, P264 + P265, P271, P280, P304 + P340, P305 + P354 + P338, P317, P319, 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 2-Bromo-4-hydroxybenzoic acid
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 2-Bromo-4-hydroxybenzoic acid

Which CAS number identifies 2-Bromo-4-hydroxybenzoic acid?
2-Bromo-4-hydroxybenzoic acid is registered under CAS 28547-28-6. You may also see it listed as Benzoic acid, 2-bromo-4-hydroxy-, Brom-p-oxybenzoesaure. Our catalogue number for this item is ZX-028744.
What are the formula and molar mass of 2-Bromo-4-hydroxybenzoic acid?
For 2-Bromo-4-hydroxybenzoic acid, its formula is C7H5BrO3 and its molar mass is 217.02 g/mol. The systematic (IUPAC) name is 2-bromo-4-hydroxybenzoic acid. InChIKey POGXJMWDTFROTM-UHFFFAOYSA-N lets you match it in any structure database.
How is 2-Bromo-4-hydroxybenzoic acid used in pharmaceutical QC?
2-Bromo-4-hydroxybenzoic acid is a characterised reference material linked to Crisaborole. 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 2-Bromo-4-hydroxybenzoic acid?
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 2-Bromo-4-hydroxybenzoic acid?
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 2-Bromo-4-hydroxybenzoic acid to my country?
Yes. Because 2-Bromo-4-hydroxybenzoic acid 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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