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API Impurities

Penicillic Acid

Reference StandardAvailable on request

Buy Penicillic Acid (CAS 90-65-3) from Zemixal: C8H10O4, COA and SDS with every lot, worldwide shipping. Packs from 10 mg.

Pack sizes
Penicillic Acid chemical structure
CAS number90-65-3
FormulaC8H10O4
Molar mass170.16 g/mol
Physical formSolid
HS code38229090
InChIKeyVOUGEZYPVGAPBB-XQRVVYSFSA-N
IUPAC name(2Z)-3-methoxy-5-methyl-4-oxohexa-2,5-dienoic acid

About Penicillic Acid

Penicillic Acid belongs to the Penicillin reference-standard family in the Zemixal catalogue. For your records (Reference Standard), the material is defined by CAS 90-65-3, formula C8H10O4 and molar mass 170.16 g/mol. It is handled as a solid.

Use cases we see most often

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

Handling and storage

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. Each lot travels with a certificate of analysis with characterisation data. Request pricing online and we confirm availability, documentation and freight to your country.

Reference standards for Penicillin

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

Penicillin standards

Typical uses

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

Applications

Specifications and identifiers

Specifications of Penicillic Acid
Product namePenicillic Acid
Catalogue numberZX-036898
CAS number90-65-3
IUPAC name(2Z)-3-methoxy-5-methyl-4-oxohexa-2,5-dienoic acid
Molecular formulaC8H10O4
Molar mass170.16 g/mol
Exact mass170.0579
GradeReference Standard
Physical formSolid
XLogP30.9
H-bond donors / acceptors1 / 4
Topological polar surface area63.6 Ų
HS code38229090
InChIKeyVOUGEZYPVGAPBB-XQRVVYSFSA-N
SMILESCC(=C)C(=O)/C(=C/C(=O)O)/OC
PubChem CID1268111
SynonymsPencillic acid, 2,5-Hexadienoic acid, 3-methoxy-5-methyl-4-oxo-, Kyselina penicilova, gamma-Keto-beta-methoxy-delta-methylene-delta(sup alpha)-hexenoic acid, Acid, Penicillic, 5-hydroxy-4-methoxy-5-prop-1-en-2-ylfuran-2-one, g-Keto-b-methoxy-d-methylene-Da-hexenoic Acid, (2Z)-3-methoxy-5-methyl-4-oxo-hexa-2,5-dienoic acid, (2Z)-3-Methoxy-5-methyl-4-oxo-2,5-hexadienoic acid #, .gamma.-Keto-.beta.-methoxy-.delta.-methylene-.delta.(sup .alpha.)-hexenoic 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

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 Penicillic 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 Penicillic Acid

Which CAS number identifies Penicillic Acid?
Penicillic Acid is registered under CAS 90-65-3. You may also see it listed as Pencillic acid, 2,5-Hexadienoic acid, 3-methoxy-5-methyl-4-oxo-, Kyselina penicilova. Our catalogue number for this item is ZX-036898.
What are the formula and molar mass of Penicillic Acid?
For Penicillic Acid, its formula is C8H10O4 and its molar mass is 170.16 g/mol. The systematic (IUPAC) name is (2Z)-3-methoxy-5-methyl-4-oxohexa-2,5-dienoic acid. InChIKey VOUGEZYPVGAPBB-XQRVVYSFSA-N lets you match it in any structure database.
How is Penicillic Acid used in pharmaceutical QC?
Penicillic Acid is a characterised reference material linked to Penicillin. 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 Penicillic 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 Penicillic 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 Penicillic Acid to my country?
Yes. Because Penicillic 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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