Molekula
Paracetamol impurity J CRS - EP
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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
Paracetamol impurity J CRS (4-chloroacetanilide) is a certified reference standard used for analytical validation, ensuring accurate detection and quantification in pharmaceutical testing. This impurity is critical for quality control in paracetamol production, adhering to European Pharmacopoeia (EP) standards. CAS 539-03-7, molecular formula C8H8ClNO, molecular weight 169.61, and stable at ambient storage with no hazard classification. Molekula supplies Paracetamol impurity J CRS from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Example image for illustration only. Other packaging and pack sizes are available.
Pricing & pack sizes
Pack sizes & pricing
Pricing on request — packs available from research to bulk quantities.
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Tell us how much you need and when — drums, IBCs, sacks or a one-off bulk lot. We'll manufacture or source it and come back with a price.
Prices exclude VAT/sales tax and shipping.
Specifications
Specifications available on request — see Documents below or contact our sales team.
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 | 90033113 |
| 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
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 Paracetamol impurity J (4-chloroacetanilide) CRS - EP used for?
This reference standard is primarily used for analytical validation in pharmaceutical testing to ensure the purity and compliance of paracetamol (acetaminophen) formulations with European Pharmacopoeia (EP) standards.
What is the chemical formula and molecular weight of Paracetamol impurity J CRS - EP?
The chemical formula is C₈H₈ClNO and the molecular weight is 169.61 g/mol.
How should Paracetamol impurity J CRS - EP be stored?
Store at ambient temperature in a dry, well-ventilated area, away from incompatible substances.
What grade is available for this product?
This product is supplied as a Certified Reference Standard (CRS) compliant with European Pharmacopoeia (EP) specifications.
Can Molekula supply Paracetamol impurity J CRS - EP in bulk quantities?
Bulk quantities are available upon request—please contact our sales team for custom pricing and lead times.
What documentation comes with the order?
Each order includes a Certificate of Analysis (CoA), Safety Data Sheet (SDS), and batch-specific documentation for traceability.
Ready to order or need a custom pack?
Tell us the product, grade, and quantity — Molekula usually responds within one working day with pricing and lead time.