Molekula

Paracetamol BP reference standard

SKU 90032248 CAS 103-90-2 CH3CONHC6H4OH MW 151.16 Available on enquiry

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Paracetamol BP reference standard is a high-purity analytical grade of acetaminophen, used as a primary reference material for pharmaceutical quality control, assay validation, and regulatory compliance in drug manufacturing. Acetaminophen itself is the active ingredient in many analgesic and antipyretic medicines and is also used to make azo dyes and photographic chemicals and to stabilize hydrogen peroxide. It meets British Pharmacopoeia (BP) specifications for accurate and reliable testing. CAS 103-90-2, molecular formula CH3CONHC6H4OH, molecular weight 151.16 g/mol. Store at ambient conditions. Signal word: Warning (irritant, avoid inhalation). Molekula supplies Paracetamol BP reference standard from research to bulk quantities with full documentation and ISO 9001:2015 traceability.

This substance is available from Molekula on enquiry. Full specification, Safety Data Sheet and Certificate of Analysis documentation are provided with your quotation once our team confirms the grade and pack size you need.

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Overview

SKU: 90032248
CAS Number: 103-90-2
IUPAC Name: N-(4-hydroxyphenyl)acetamide
EC Number: 203-157-5
Molecular Formula: CH3CONHC6H4OH
Molecular Weight: 151.16
Exact Mass: 151.0633
SMILES: CC(=O)NC1=CC=C(C=C1)O
InChIKey: RZVAJINKPMORJF-UHFFFAOYSA-N
InChI: InChI=1S/C8H9NO2/c1-6(10)9-7-2-4-8(11)5-3-7/h2-5,11H,1H3,(H,9,10)
PubChem CID: 1983

Literature values

Published physical properties of the substance, not batch specifications.

Odour: Odorless
Melting Point: 168 °C
Density: 1.293 g/cm³ at 21 °C
Vapour Pressure: 6.29 × 10⁻⁵ mmHg at 25 °C
pKa: pKa = 9.38
log P (octanol/water): 0.46

Source: PubChem CID 1983 (HSDB)

See all 3 other grades of CAS 103-90-2 →

Frequently asked questions

What is Paracetamol BP reference standard used for?

This reference standard is primarily used for analytical testing, method validation, and quality control in pharmaceutical manufacturing to ensure compliance with British Pharmacopoeia (BP) specifications.

What is the chemical formula and molecular weight of Paracetamol BP reference standard?

The chemical formula is **CH₃CONHC₆H₄OH**, and the molecular weight is **151.16 g/mol**.

How should Paracetamol BP reference standard be stored?

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

What grade of Paracetamol is this reference standard?

This is a **British Pharmacopoeia (BP) reference standard**, meeting high-purity requirements for analytical and regulatory purposes.

Can Molekula supply Paracetamol BP reference standard in bulk?

Molekula typically supplies reference standards in smaller analytical quantities; bulk pharmaceutical-grade Paracetamol would require a separate inquiry.

What documentation comes with an order of Paracetamol BP reference standard?

Each order includes a **Certificate of Analysis (CoA)**, batch-specific documentation, and a Material Safety Data Sheet (MSDS) for safety and compliance.

Related products

Molekula has supplied fine chemicals and biochemicals since 2000 from ISO 9001:2015 and ISO 14001:2015 certified facilities. Every dispatched batch is logged with a batch number and matched to a Certificate of Analysis, and Safety Data Sheets are available in five languages.