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Acetaminophen Related Compound J - USP CRS

SKU 90035399 CAS 539-03-7 C8H8ClNO MW 169.61 Made to order Bulk quantities on request

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ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 2000 · Listed pack sizes are a starting point — we manufacture, source and repack to the quantity you need

Acetaminophen Related Compound J – USP CRS is a reference standard used in the identification and quantification of impurities in acetaminophen formulations. It is a chlorinated derivative with the molecular formula C8H8ClNO and a molecular weight of 169.61 g/mol. CAS number: 539-03-7. Stored at ambient temperature. Molekula supplies Acetaminophen Related Compound J – USP CRS from research to bulk quantities with full documentation and ISO 9001:2015 traceability.

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Pricing & pack sizes

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Specifications

Property Value
Appearance White to Light yellow to brown solid

Storage & handling

Property Value
Storage Temperature Ambient
Acidity Acid

Literature values

Published physical properties of the substance, not batch specifications.

Property Value
Melting Point 178-179 °C
Boiling Point 333 °C
Vapour Pressure 0.0000963 mmHg
log P (octanol/water) 2.12

Source: PubChem CID 10871 (HSDB, Haz-Map)

Identification

Property Value
SKU 90035399
CAS Number 539-03-7
IUPAC Name N-(4-chlorophenyl)acetamide
EC Number 208-707-8
Molecular Formula C8H8ClNO
Molecular Weight 169.61
Exact Mass 169.0294
SMILES CC(=O)NC1=CC=C(C=C1)Cl
InChIKey GGUOCFNAWIODMF-UHFFFAOYSA-N
InChI InChI=1S/C8H8ClNO/c1-6(11)10-8-4-2-7(9)3-5-8/h2-5H,1H3,(H,10,11)
PubChem CID 10871
REACH Code Y113
TSCA Listed Yes
HTS Code 2924.29.77.90
Tariff Code 2924297099

Safety & GHS

Precautionary statements

  • P280 Wear protective gloves/protective clothing/eye protection/face protection

Documents

Safety Data Sheets (SDS)

Available in English.

Certificate of Analysis (CoA) by batch

Enter a lot or batch number to retrieve the CoA for that specific batch. We can generate one from spec data if no PDF is on file.

Synonyms

  • 4'-Chloroacetanilide
  • Acetamide, N-(4-chlorophenyl)-
  • Acetanilide, 4'-chloro-
  • Acetic acid, amide, N(4-chlorophenyl)-
  • Acetic-4-chloroanilide
  • N-(4-Chlorophenyl)acetamide
  • N-(p-Chlorophenyl)acetamide
  • N-Acetyl-p-chloroaniline
  • P-CHLOROACETANILIDE

Frequently asked questions

What is this compound (CAS 539-03-7) used for?

This compound is a structural analog of acetaminophen (paracetamol) and is primarily used for research purposes, including drug development, pharmacokinetic studies, and analytical method validation in pharmaceutical applications.

What is the chemical formula and molecular weight?

The chemical formula is **C₈H₈ClNO** and the molecular weight is **169.61 g/mol**.

How should this compound be stored?

Store at **ambient temperature** in a tightly sealed container, away from moisture and direct sunlight.

What grade is available for this compound?

This product is available in **USP Certified Reference Standard (CRS) grade**, suitable for analytical and regulatory testing.

Can Molekula supply this compound in bulk quantities?

Yes, bulk quantities are available upon request—please contact our sales team for pricing and lead times.

What documentation comes with the order?

Each order includes a **Certificate of Analysis (CoA)**, **Material Safety Data Sheet (MSDS)**, and a **batch-specific label** with CAS, lot number, and purity data.

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