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Impurities and reference standards

Phenacetin impurity 22

Also known as Phenacetin Impurity 23, (E)-2-(4-chlorophenyl)-1-(4-ethoxyphenyl)diazene oxide, (Z)-2-(4-chlorophenyl)-1-(4-ethoxyphenyl)diazene oxide

CAS 24176-83-8Formula C14H13ClN2O2Molar mass 276.72 g/mol
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Phenacetin impurity 22 chemical structure, C14H13ClN2O2, CAS 24176-83-8
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
24176-83-8
Formula
C14H13ClN2O2
Molar mass
276.72 g/mol
HS code
292700
Category
Impurities and reference standards

What is Phenacetin impurity 22?

Plain description, key identifiers and synonyms

Phenacetin impurity 22 is a chemical substance with the molecular formula C14H13ClN2O2 and a molar mass of 276.72 g/mol. Its CAS registry number is 24176-83-8. The IUPAC name is (4-chlorophenyl)imino-(4-ethoxyphenyl)-oxidoazanium.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
(4-chlorophenyl)imino-(4-ethoxyphenyl)-oxidoazanium
CAS number
24176-83-8
Molecular formula
C14H13ClN2O2
InChIKey
PEKGUWQHPITBRB-UHFFFAOYSA-N
InChI
InChI=1S/C14H13ClN2O2/c1-2-19-14-9-7-13(8-10-14)17(18)16-12-5-3-11(15)4-6-12/h3-10H,2H2,1H3
SMILES (canonical and isomeric)
CCOC1=CC=C(C=C1)[N+](=NC2=CC=C(C=C2)Cl)[O-]

Synonyms

  • Phenacetin Impurity 23
  • (E)-2-(4-chlorophenyl)-1-(4-ethoxyphenyl)diazene oxide
  • (Z)-2-(4-chlorophenyl)-1-(4-ethoxyphenyl)diazene oxide

Physical and chemical properties

Measured values and descriptors computed from the structure

Physical and chemical properties

Measured values, check the supplier specification for your grade

No measured properties are recorded for this substance yet. Ask suppliers for a technical data sheet.

Values vary by grade. Ask suppliers for the COA or TDS of the batch you buy.

Computed descriptors

Calculated from the structure, useful for screening and formulation

Molecular weight
276.72 g/molcalc.
Exact mass
276.0666 Dacalc.
LogP (octanol/water)
4.66calc.
Topological polar surface area
47.66 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
3calc.
Rotatable bonds
4calc.
Heavy atoms
19calc.
Rings
2calc.
Aromatic rings
2calc.
Fraction sp3 carbons
0.14calc.
Formal charge
0calc.
Stereocentres
0calc.
Lipinski rule of five
Passes (0 violations)calc.

Calculated for screening. Confirm critical figures with the supplier.

Murcko scaffold

The ring system that remains when every side chain is removed

Murcko scaffold of this chemical, c1ccc(N=Nc2ccccc2)cc1

c1ccc(N=Nc2ccccc2)cc1

2 rings, 14 atoms, the Azobenzene ring system.

3,419 other chemicals share this scaffold

Safety and hazards

GHS classification summary, not a safety data sheet

No GHS hazard classification is recorded for this substance yet. That does not mean it is harmless.

GHS classification summary, not a safety data sheet (SDS). Classifications can differ by supplier, grade and concentration. Always check the supplier's SDS.

Phenacetin impurity 22 suppliers

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Phenacetin impurity 22 price

Indicative price range per kg from live supplier offers

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Uses and applications

What the substance is used for, by industry and function

Applications are not documented for this substance yet. Suppliers often describe uses on their product pages, linked in the suppliers list above.

Regulatory status

Inventories, regulations and trade controls that list this substance

No regulatory list memberships are recorded for this substance yet. Always check the rules of the importing and exporting country before trade.

HS code and trade data

Customs classification and reported world trade statistics

Global trade

World import and export statistics for the HS code Phenacetin impurity 22 is traded under.

HS 2927.00Indicative HS code

Diazo-, azo- or azoxy compounds

World exports in 2024
$571M
+6.1% vs 2023, imports $525M
2019 to 2024
Top exporters
  1. China47.0%
  2. Indonesia13.1%
  3. Japan9.3%
Top importers
  1. United States10.2%
  2. India * partner reported9.1%
  3. South Korea9.1%

* Partner reported figures, a lower bound.

Reported customs values in USD, not prices.Full trade data

The HS code shown for Phenacetin impurity 22 is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about Phenacetin impurity 22, based on the data on this page

What is Phenacetin impurity 22?

Phenacetin impurity 22 is a chemical substance with the molecular formula C14H13ClN2O2 and a molar mass of 276.72 g/mol. Its CAS registry number is 24176-83-8. The IUPAC name is (4-chlorophenyl)imino-(4-ethoxyphenyl)-oxidoazanium.

What is the CAS number of Phenacetin impurity 22?

The CAS registry number of Phenacetin impurity 22 is 24176-83-8.

What is the molecular formula and weight of Phenacetin impurity 22?

The molecular formula of Phenacetin impurity 22 is C14H13ClN2O2 and its molar mass is 276.72 g/mol.

Is Phenacetin impurity 22 hazardous?

No GHS hazard classification for Phenacetin impurity 22 is recorded on CompoundList yet. That does not prove it is safe. Always read the supplier safety data sheet.

What is the HS code of Phenacetin impurity 22?

Phenacetin impurity 22 is usually classified under HS code 292700 (Diazo-, azo- or azoxy-compounds). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Phenacetin impurity 22?

Post a free request on CompoundList and suppliers of Phenacetin impurity 22 will send you quotes. Your contact details stay private until you accept a quote.

What is the price of Phenacetin impurity 22?

Suppliers quote Phenacetin impurity 22 on request because prices depend on grade, purity, quantity and destination. A free request on CompoundList gets you several quotes to compare.

Guides for buyers

Practical guides that help when you source, ship or handle Phenacetin impurity 22

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Data last updated 7 Oct 2026. Details may have changed, please confirm them with the supplier. Report an error on this page
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