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PHR1973

Acetaminophen Impurity I

Pharmaceutical Secondary Standards; Certified Reference Material

Synonym(s):

2′-Hydroxyacetophenone, 2-Acetylphenol

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About This Item

Linear Formula:
HOC6H4COCH3
CAS Number:
118-93-4
Molecular Weight:
136.15
NACRES:
NA.24
UNSPSC Code:
41116107
Beilstein/REAXYS Number:
386123
MDL number:
MFCD00002219

Key Documents

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SMILES string

CC(=O)c1ccccc1O

InChI key

JECYUBVRTQDVAT-UHFFFAOYSA-N

InChI

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

grade

certified reference material, pharmaceutical secondary standard

vapor density

4.7 (vs air)

vapor pressure

~0.2 mmHg ( 20 °C)

CofA

current certificate can be downloaded

technique(s)

HPLC: suitable, gas chromatography (GC): suitable

Quality Level

300

bp

213 °C/717 mmHg (lit.)

mp

3-6 °C (lit.)

density

1.133 g/mL at 20 °C, 1.131 g/mL at 25 °C (lit.)

application(s)

pharmaceutical (small molecule)

format

neat

storage temp.

2-30°C

Related Categories

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

Analysis Note

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

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 LRAB2777 in the Documents slot below. This is an example certificate only and may not be the lot that you receive.

Storage Class

10 - Combustible liquids

wgk

WGK 2

flash_point_f

222.8 °F - closed cup

flash_point_c

106 °C - closed cup

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’.

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