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Metabolites & Degradation Products

4-Hydroxyantipyrine Sulfate

Reference StandardAvailable on request

Order 4-Hydroxyantipyrine Sulfate (CAS 81416-56-0) online at Zemixal. Request a quote with price, lead time and documents.

Pack sizes
4-Hydroxyantipyrine Sulfate chemical structure
CAS number81416-56-0
FormulaC11H12N2O5S
Molar mass284.29 g/mol
Physical formSolid
HS code38229090
InChIKeyCTEXUEWYEUYLCH-UHFFFAOYSA-N
IUPAC name(1,5-dimethyl-3-oxo-2-phenylpyrazol-4-yl) hydrogen sulfate

About 4-Hydroxyantipyrine Sulfate

4-Hydroxyantipyrine Sulfate belongs to the Antipyrine reference-standard family in the Zemixal catalogue. Key data (Reference Standard): CAS 81416-56-0, formula C11H12N2O5S and molar mass 284.29 g/mol. It is handled as a solid.

Where it is used

  • Metabolite identification
  • Stability-indicating methods
  • Impurity profiling

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 Antipyrine

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

Antipyrine standards

Typical uses

  • Metabolite identification
  • Stability-indicating methods
  • Impurity profiling

Applications

Pharmaceutical Manufacturing and QCResearch Labs and Universities

Specifications and identifiers

Specifications of 4-Hydroxyantipyrine Sulfate
Product name4-Hydroxyantipyrine Sulfate
Catalogue numberZX-031818
CAS number81416-56-0
IUPAC name(1,5-dimethyl-3-oxo-2-phenylpyrazol-4-yl) hydrogen sulfate
Molecular formulaC11H12N2O5S
Molar mass284.29 g/mol
Exact mass284.0467
GradeReference Standard
Physical formSolid
XLogP3-0.1
H-bond donors / acceptors1 / 6
Topological polar surface area95.5 Ų
HS code38229090
InChIKeyCTEXUEWYEUYLCH-UHFFFAOYSA-N
SMILESCC1=C(C(=O)N(N1C)C2=CC=CC=C2)OS(=O)(=O)O
PubChem CID71420980
Synonyms1,5-Dimethyl-3-oxo-2-phenyl-2,3-dihydro-1H-pyrazol-4-yl hydrogen sulfate, Oha-S, 3H-Pyrazol-3-one, 1,2-dihydro-1,5-dimethyl-2-phenyl-4-(sulfooxy)-, 1,2-Dihydro-1,5-dimethyl-2-phenyl-4-(sulfooxy)-3H-pyrazol-3-one

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

Safety and GHS hazards

No GHS classification is on file for this item. Handle it as an unknown laboratory chemical and request the SDS with your quotation.

Pack sizes

Pack sizes of 4-Hydroxyantipyrine Sulfate
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 4-Hydroxyantipyrine Sulfate

Which CAS number identifies 4-Hydroxyantipyrine Sulfate?
4-Hydroxyantipyrine Sulfate is registered under CAS 81416-56-0. You may also see it listed as 1,5-Dimethyl-3-oxo-2-phenyl-2,3-dihydro-1H-pyrazol-4-yl hydrogen sulfate, Oha-S, 3H-Pyrazol-3-one, 1,2-dihydro-1,5-dimethyl-2-phenyl-4-(sulfooxy)-. Our catalogue number for this item is ZX-031818.
What are the formula and molar mass of 4-Hydroxyantipyrine Sulfate?
For 4-Hydroxyantipyrine Sulfate, its formula is C11H12N2O5S and its molar mass is 284.29 g/mol. The systematic (IUPAC) name is (1,5-dimethyl-3-oxo-2-phenylpyrazol-4-yl) hydrogen sulfate. InChIKey CTEXUEWYEUYLCH-UHFFFAOYSA-N lets you match it in any structure database.
How is 4-Hydroxyantipyrine Sulfate used in pharmaceutical QC?
4-Hydroxyantipyrine Sulfate is a characterised reference material linked to Antipyrine. 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 4-Hydroxyantipyrine Sulfate?
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 4-Hydroxyantipyrine Sulfate?
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 4-Hydroxyantipyrine Sulfate to my country?
Yes. 4-Hydroxyantipyrine Sulfate ships worldwide by express courier, air cargo or sea freight, quoted on the Incoterm you prefer, with full export documents.

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