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Pharmacopeial Impurities (EP / USP / BP)

Paracetamol EP Impurity G

Reference StandardAvailable on request

Buy Paracetamol EP Impurity G (CAS 34523-34-7) from Zemixal. Lab and bulk packs, batch COA, fast global delivery. Catalogue no. ZX-022483.

Pack sizes
Paracetamol EP Impurity G chemical structure
CAS number34523-34-7
FormulaC8H9NO2
Molar mass151.16 g/mol
Physical formSolid
HS code38229090
InChIKeyBVZSQTRWIYKUSF-UHFFFAOYSA-N
IUPAC name4-(N-hydroxy-C-methylcarbonimidoyl)phenol

About Paracetamol EP Impurity G

Analytical teams working on Paracetamol use Paracetamol EP Impurity G as a qualified comparison standard. Identity at a glance (Reference Standard): CAS 34523-34-7, formula C8H9NO2 and molar mass 151.16 g/mol. It is handled as a solid.

Typical applications

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

Handling and storage

It carries the GHS signal word Warning (H302, H315 and H319), so wear gloves and eye protection and work with good ventilation.

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

Reference standards for Paracetamol

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

Paracetamol 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 Paracetamol EP Impurity G
Product nameParacetamol EP Impurity G
Catalogue numberZX-022483
CAS number34523-34-7
IUPAC name4-(N-hydroxy-C-methylcarbonimidoyl)phenol
Molecular formulaC8H9NO2
Molar mass151.16 g/mol
Exact mass151.0633
GradeReference Standard
Physical formSolid
XLogP31.5
H-bond donors / acceptors2 / 3
Topological polar surface area52.8 Ų
HS code38229090
InChIKeyBVZSQTRWIYKUSF-UHFFFAOYSA-N
SMILESCC(=NO)C1=CC=C(C=C1)O
PubChem CID96522
SynonymsAcetaminophen EP Impurity G, Paracetamol - Impurity G, 4'-Hydroxyacetophenone Oxime, Ethanone, 1-(4-hydroxyphenyl)-, oxime, 4-[1-(hydroxyamino)ethylidene]cyclohexa-2,5-dien-1-one, p-Hydroxyacetophenone Oxime, 4-[(E)-N-hydroxy-C-methylcarbonimidoyl]phenol, para-hydroxyacetophenone oxime

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

Precautionary statements P264, P264 + P265, P270, P280, P301 + P317, P302 + P352, P305 + P351 + P338, P321, P330, P332 + P317, P337 + P317, P362 + P364, 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 Paracetamol EP Impurity G
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 Paracetamol EP Impurity G

Which CAS number identifies Paracetamol EP Impurity G?
Paracetamol EP Impurity G is registered under CAS 34523-34-7. You may also see it listed as Acetaminophen EP Impurity G, Paracetamol - Impurity G, 4'-Hydroxyacetophenone Oxime. Our catalogue number for this item is ZX-022483.
What are the formula and molar mass of Paracetamol EP Impurity G?
For Paracetamol EP Impurity G, its formula is C8H9NO2 and its molar mass is 151.16 g/mol. The systematic (IUPAC) name is 4-(N-hydroxy-C-methylcarbonimidoyl)phenol. InChIKey BVZSQTRWIYKUSF-UHFFFAOYSA-N lets you match it in any structure database.
How is Paracetamol EP Impurity G used in pharmaceutical QC?
Paracetamol EP Impurity G is a characterised reference material linked to Paracetamol. 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 Paracetamol EP Impurity G?
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 Paracetamol EP Impurity G?
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 Paracetamol EP Impurity G to my country?
Yes. Because Paracetamol EP Impurity G 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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