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1A01070

USP

Alpha-Naphthol

Pharmaceutical Analytical Impurity (PAI)

Synonym(s):

(Naphthalen-1-ol)

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Pack SizeSKUAvailabilityPrice
25 mg

Estimated to ship onApril 22, 2026fromMILWAUKEE

$1,220.00

About This Item

Empirical Formula (Hill Notation):
C10H8O
CAS Number:
Molecular Weight:
144.17
MDL number:
UNSPSC Code:
41116100
NACRES:
NA.24

$1,220.00


Estimated to ship onApril 22, 2026Details


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grade

pharmaceutical analytical impurity (PAI)

agency

USP

manufacturer/tradename

USP

application(s)

pharmaceutical

format

neat

storage temp.

2-8°C

SMILES string

Oc1c2c(ccc1)cccc2

InChI key

KJCVRFUGPWSIIH-UHFFFAOYSA-N

General description

Alpha-Naphthol is a USP Pharmaceutical Analytical Impurity (PAI).

USP PAI are a product line of impurities suitable for research and analytical purposes, which help to ensure the quality and safety of medicines.

Associated Drug Substance: Duloxetine

Therapeutic Area: Psychiatrics.

For more information about this PAI, visit here.

Application

Alpha-Naphthol (USP PAI) is intended for use in analytical testing to detect, identify, and measure pharmaceutical impurities.

Features and Benefits

USP PAI advance your early analytical R&D and process development. PAI can be used in the following applications:
1. Conduct analytical tests during early formulation feasibility studies.
2. Determine degradation impurities produced during stress studies.
3. Develop, validate, and transfer analytical methods.
4. Perform spiking studies during process R&D to demonstrate depletion upon recrystallization.
5. Record retention times and/or spectra
6. Determine relative response factors.
7. Identify unknown impurities that formed during ICH stability conditions.
8. Identify impurities that are present in the Reference Listed Drug
9. Test for and profile impurities not listed in drug substance and drug product monographs.

Analysis Note

These products are for test and assay use only. They are not meant for administration to humans or animals and cannot be used to diagnose, treat, or cure diseases of any kind.

Other Notes

Sales restrictions may apply.

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This Item
1A009001A020701A03210
manufacturer/tradename

USP

manufacturer/tradename

USP

manufacturer/tradename

USP

manufacturer/tradename

USP

grade

pharmaceutical analytical impurity (PAI)

grade

pharmaceutical analytical impurity (PAI)

grade

pharmaceutical analytical impurity (PAI)

grade

pharmaceutical analytical impurity (PAI)

application(s)

pharmaceutical

application(s)

pharmaceutical

application(s)

pharmaceutical

application(s)

pharmaceutical

format

neat

format

neat

format

neat

format

neat

storage temp.

2-8°C

storage temp.

2-8°C

storage temp.

−20°C

storage temp.

2-8°C

agency

USP

agency

USP

agency

USP

agency

USP


signalword

Danger

Hazard Classifications

Acute Tox. 3 Dermal - Acute Tox. 4 Oral - Aquatic Acute 1 - Aquatic Chronic 3 - Eye Dam. 1 - Skin Irrit. 2 - Skin Sens. 1A - STOT SE 2 Oral - STOT SE 3

target_organs

Kidney, Respiratory system

Storage Class

6.1C - Combustible acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects

wgk

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable



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Global Trade Item Number

SKUGTIN
1A01070-25MG04065269107354

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