PHR1149
Acetaminophen Related Compound J
Pharmaceutical Secondary Standard; Certified Reference Material
Synonym(s):
4′-Chloroacetanilide, N-(4-Chlorophenyl)acetamide, Acetic acid 4-chloroanilide, NSC 40563, NSC 444
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About This Item
Linear Formula:
CH3CONHC6H4Cl
CAS Number:
Molecular Weight:
169.61
Beilstein:
509638
EC Number:
MDL number:
UNSPSC Code:
41116107
PubChem Substance ID:
NACRES:
NA.24
Recommended Products
grade
certified reference material
pharmaceutical secondary standard
Quality Level
Agency
traceable to Ph. Eur. Y0001945
traceable to USP 1003100
API family
paracetamol, acetaminophen
CofA
current certificate can be downloaded
technique(s)
HPLC: suitable
gas chromatography (GC): suitable
mp
176-178 °C (lit.)
application(s)
pharmaceutical (small molecule)
format
neat
storage temp.
2-30°C
SMILES string
CC(=O)Nc1ccc(Cl)cc1
InChI
1S/C8H8ClNO/c1-6(11)10-8-4-2-7(9)3-5-8/h2-5H,1H3,(H,10,11)
InChI key
GGUOCFNAWIODMF-UHFFFAOYSA-N
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General description
This Certified Reference Material (CRM) is produced and certified in accordance with ISO 17034 and ISO/IEC 17025. All information regarding the use of this CRM can be found on the certificate of analysis.
Pharmaceutical secondary standards for application in quality control, provide pharma laboratories and manufacturers with a convenient and cost-effective alternative to the preparation of in-house working standards.
It is an impurity of the widely used antipyretic and analgesic drug acetaminophen, also known as paracetamol.
Pharmaceutical secondary standards for application in quality control, provide pharma laboratories and manufacturers with a convenient and cost-effective alternative to the preparation of in-house working standards.
It is an impurity of the widely used antipyretic and analgesic drug acetaminophen, also known as paracetamol.
Application
This pharmaceutical secondary standard can also be used as follows:
- Separation and estimation of acetaminophen and its process impurities in commercial acetaminophen tablets using high-performance liquid chromatography (HPLC)
- Development and validation of HPLC-based stability indicating method for the determination of acetaminophen, chlorpheniramine maleate, and their possible degradation products in an over-the-counter syrup formulation
- Detection and quantification of paracetamol, phenylephrine hydrochloride, and paracetamol impurities in pharmaceutical formulations using four chemometric-based spectrophotometric methods
- Impurity analysis of a combined suppository dosage form of paracetamol, codeine phosphate hemihydrate, and pitophenone hydrochloride using ion-pair reversed-phase liquid chromatography in combination with UV detection
- Development of a thin-layer chromatography method combined with densitometry for the separation of acetaminophen and its related impurities from commercial dosage forms
Analysis Note
These secondary standards offer multi-traceability to the USP, EP (PhEur) and BP primary standards, where they are available.
Other Notes
Values of analytes vary lot to lot.
Footnote
To see an example of a Certificate of Analysis for this material enter LRAC0397 in the slot below. This is an example certificate only and may not be the lot that you receive.
Recommended products
Find a digital Reference Material for this product available on our online platform ChemisTwin® for NMR. You can use this digital equivalent on ChemisTwin® for your sample identity confirmation and compound quantification (with digital external standard). An NMR spectrum of this substance can be viewed and an online comparison against your sample can be performed with a few mouseclicks. Learn more here and start your free trial.
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Product No.
Description
Pricing
Signal Word
Warning
Hazard Statements
Precautionary Statements
Hazard Classifications
Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3
Target Organs
Respiratory system
Storage Class Code
11 - Combustible Solids
WGK
WGK 3
Flash Point(F)
Not applicable
Flash Point(C)
Not applicable
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Alina Pyka et al.
BioMed research international, 2013, 545703-545703 (2013-09-26)
Adsorption thin layer chromatography (NP-TLC) with densitometry has been established for the identification and the quantification of acetaminophen in three leading commercial products of pharmaceutical tablets coded as brand: P1 (Product no. 1), P2 (Product no. 2), and P3 (Product
Simultaneous Estimation of Acetaminophen, Chlorpheniramine Maleate, Methyl Paraben, Propyl Paraben, Sodium Benzoate and Related Impurities in Over-the-Counter Syrup Formulation
Palakurthi AK and Dongala T
Pharmaceutical Chemistry Journal, 1-7 (2022)
L Koymans et al.
Xenobiotica; the fate of foreign compounds in biological systems, 23(6), 633-648 (1993-06-01)
1. The general mechanism of metabolic oxidation of substrates by cytochromes P450 (P450s) appears to consist of sequential one-electron oxidation steps rather than of a single concerted transfer of activated oxygen species from P450 to substrates. 2. In case of
Tamas A Godany et al.
Chimia, 65(4), 253-255 (2011-06-18)
Lithiation of N-(4-chlorophenyl)-pivalamide (NCP) and two additional substituted acetanilides: 4-fluoroacetanilide (4-F) and 4-chloroacetanilide (4-Cl) has been monitored by means of calorimetry, on-line ATR-IR and UV/vis spectroscopy and endoscopy. The combined on-line monitoring revealed the differences between the reaction paths of
Anthony F Pizon et al.
Clinical toxicology (Philadelphia, Pa.), 47(2), 132-136 (2008-07-09)
p-Chloroaniline is more potent at producing methemoglobin than aniline in animal models. This case highlights the clinical presentation of an inhalation exposure to p-chloroaniline and associated laboratory analysis. An in-vitro study evaluating the metabolism of p-chloroaniline in human hepatocytes was
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