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Pharmacopeial Impurities (EP / USP / BP)Reference StandardAvailable on request

Paracetamol EP Impurity G

Synonyms: Acetaminophen EP Impurity G · Paracetamol - Impurity G · 4'-Hydroxyacetophenone Oxime · Ethanone, 1-(4-hydroxyphenyl)-, oxime

CAS No.34523-34-7
FormulaC8H9NO2
Mol. weight151.16
Catalogue No.VQ-023462
PurityReference Standard
HSN38229090

Paracetamol EP Impurity G (CAS 34523-34-7) – Paracetamol impurity standard. C8H9NO2, MW 151.16. From Vaqora Chemicals, with COA and worldwide delivery.

Pack sizesPrice on quotation · bulk available
10 mg
25 mg
50 mg
100 mg
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16-section GHS SDS
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About Paracetamol EP Impurity G

Paracetamol EP Impurity G (CAS 34523-34-7) is a pharmacopeial impurity of Paracetamol offered by Vaqora Chemicals. The compound has the formula C8H9NO2, corresponding to a molecular weight of 151.16 g/mol. Systematically, it is named 4-(N-hydroxy-C-methylcarbonimidoyl)phenol. Alternative names: Acetaminophen EP Impurity G and Paracetamol - Impurity G.

It is supplied as a solid. Keep the vial tightly closed, protected from light and humidity, at the temperature stated on the Certificate of Analysis. Under GHS it is labelled “Warning”, so handle it with suitable PPE and consult the SDS.

As a characterised impurity of Paracetamol, it is used for analytical method development, method validation (AMV) and routine quality-control testing, and it supports ANDA and DMF regulatory filings. Typical end-use sectors are pharmaceutical manufacturing and academic and industrial research.

Vaqora Chemicals supplies Paracetamol EP Impurity G in 10 mg, 25 mg, 50 mg and 100 mg packs, each shipped with a Certificate of Analysis (COA), and exports worldwide.

Typical applications

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

Industries

Related to Paracetamol

View every impurity, metabolite and intermediate we list for Paracetamol.

Paracetamol impurities

Grade guides

Specifications & identifiers

Chemical identifiers
Product nameParacetamol EP Impurity G
Catalogue No.VQ-023462
CAS Number34523-34-7
IUPAC name4-(N-hydroxy-C-methylcarbonimidoyl)phenol
Molecular formulaC8H9NO2
Molecular weight151.16 g/mol
Exact mass151.0633
GradeReference Standard
HSN code38229090
InChIKeyBVZSQTRWIYKUSF-UHFFFAOYSA-N
SMILESCC(=NO)C1=CC=C(C=C1)O
PubChem CID96522
Physical properties
Physical formSolid
LogP (XLogP3)1.5
H-bond donors / acceptors2 / 3
TPSA52.8 Ų
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

Safety & hazard information (GHS)

GHS07 Harmful / irritant
Harmful / irritant

Signal word: Warning

Hazard statements

  • 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 is indicative (aggregated GHS notifications) and may vary by grade and concentration. Always refer to the SDS supplied with your lot.

Documents

Frequently asked questions

What is the CAS number of Paracetamol EP Impurity G?

The CAS Registry Number of Paracetamol EP Impurity G is 34523-34-7. It is also known as Acetaminophen EP Impurity G, Paracetamol - Impurity G, 4'-Hydroxyacetophenone Oxime.

What is the molecular formula and molecular weight of Paracetamol EP Impurity G?

Paracetamol EP Impurity G has the molecular formula C8H9NO2 and a molecular weight of 151.16 g/mol. Its IUPAC name is 4-(N-hydroxy-C-methylcarbonimidoyl)phenol.

What is Paracetamol EP Impurity G used for?

Paracetamol EP Impurity G is supplied as a characterised reference material related to Paracetamol. It is used for analytical method development and validation (AMV), impurity profiling, stability studies and quality control, and in ANDA/DMF regulatory filings.

Which grade and pack sizes of Paracetamol EP Impurity G can I order?

We supply Paracetamol EP Impurity G in Reference Standard grade, in 10 mg, 25 mg, 50 mg, 100 mg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Paracetamol EP Impurity G?

Yes. Every lot of Paracetamol EP Impurity G is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.

Can Paracetamol EP Impurity G be shipped internationally?

Yes. Paracetamol EP Impurity G is classified as hazardous, so it is packed in UN-approved packaging and shipped as dangerous goods under IATA/IMDG rules. We export worldwide on EXW, FOB, CIF and DAP terms.

Enquire about Paracetamol EP Impurity G

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Why buyers choose Vaqora

  • Batch-traceable lots with COA
  • R&D packs to multi-tonne supply
  • IATA / IMDG dangerous-goods packing
  • EXW, FOB, CIF, DAP Incoterms
  • Custom synthesis & sourcing
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Reference Standard
Acetaminophen Dimer chemical structure
Acetaminophen Dimer
CAS
98966-14-4
Formula
C16H16N2O4
MW
300.31 g/mol
VQ-023464

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