Skip to Content
Merck
CN

PHR1971

Acetaminophen Impurity E

Pharmaceutical Secondary Standard; Certified Reference Material

Synonym(s):

4′-Hydroxyacetophenone, 4-Hydroxyphenylethanone, p-Acetophenol, p-Hydroxyphenyl methyl ketone, Piceol

Sign In to View Organizational & Contract Pricing.

Select a Size

About This Item

Linear Formula:
HOC6H4COCH3
CAS Number:
99-93-4
Molecular Weight:
136.15
NACRES:
NA.24
UNSPSC Code:
12352005
Beilstein/REAXYS Number:
774355
MDL number:
MFCD00002359

Key Documents

View All Documentation
Technical Service
Need help? Our team of experienced scientists is here for you.
Let Us Assist
Technical Service
Need help? Our team of experienced scientists is here for you.
Let Us Assist

Product Name

Acetaminophen Impurity E, Pharmaceutical Secondary Standard; Certified Reference Material

SMILES string

CC(=O)c1ccc(O)cc1

InChI key

TXFPEBPIARQUIG-UHFFFAOYSA-N

InChI

1S/C8H8O2/c1-6(9)7-2-4-8(10)5-3-7/h2-5,10H,1H3

grade

certified reference material
pharmaceutical secondary standard

CofA

current certificate can be downloaded

technique(s)

HPLC: suitable
gas chromatography (GC): suitable

bp

147-148 °C/3 mmHg (lit.)

mp

109-111 °C (lit.)

application(s)

pharmaceutical (small molecule)

format

neat

storage temp.

2-30°C

Quality Level

300

Looking for similar products? Visit Product Comparison Guide

Related Categories

Analysis Note

These secondary standards offer multi-traceability to the USP and EP primary standards, where they are available.

General description

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

Other Notes

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.
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.
To see an example of a Certificate of Analysis for this material enter LRAB2776 in the Documents slot below. This is an example certificate only and may not be the lot that you receive.

pictograms

Exclamation mark
GHS07

signalword

Warning

hcodes

H319,H412

Hazard Classifications

Aquatic Chronic 3 - Eye Irrit. 2

Storage Class

13 - Non Combustible Solids

wgk

WGK 1

flash_point_f

330.8 °F

flash_point_c

166 °C

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

Already Own This Product?

Find documentation for the products that you have recently purchased in the Document Library.

Visit the Document Library

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Contact Technical Service