CompoundList

3-Nitrosophenol

Also known as m-nitrosophenol, Neostigmine Impurity 20

CAS 20031-38-3Formula C6H5NO2Molar mass 123.11 g/mol
3-Nitrosophenol chemical structure, C6H5NO2, CAS 20031-38-3
2D chemical structure

Key facts

What buyers check first

CAS number
20031-38-3
Formula
C6H5NO2
Molar mass
123.11 g/mol
HS code
290899
Category
Impurities and reference standards

What is 3-Nitrosophenol?

Plain description, key identifiers and synonyms

3-Nitrosophenol is a chemical substance with the molecular formula C6H5NO2 and a molar mass of 123.11 g/mol. Its CAS registry number is 20031-38-3.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
3-nitrosophenol
CAS number
20031-38-3 CAS number cross-checked
Molecular formula
C6H5NO2
InChIKey
LHISAEQORNEGAX-UHFFFAOYSA-N
InChI
InChI=1S/C6H5NO2/c8-6-3-1-2-5(4-6)7-9/h1-4,8H
SMILES (canonical and isomeric)
C1=CC(=CC(=C1)O)N=O

Synonyms

  • m-nitrosophenol
  • Neostigmine Impurity 20

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
123.11 g/molcalc.
Exact mass
123.032 Dacalc.
LogP (octanol/water)
1.79calc.
Topological polar surface area
49.66 ร…ยฒcalc.
Hydrogen bond donors
1calc.
Hydrogen bond acceptors
3calc.
Rotatable bonds
1calc.
Heavy atoms
9calc.
Rings
1calc.
Aromatic rings
1calc.
Fraction sp3 carbons
0calc.
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, c1ccccc1

c1ccccc1

1 ring, 6 atoms, the Benzene ring system.

485,677 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.

3-Nitrosophenol suppliers

Sponsored listings first, then the documented ranking: membership, verification, replies, completeness, freshness and ratings

No supplier listings yet

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3-Nitrosophenol price

Indicative price range per kg from live supplier offers

No published prices right now

Suppliers quote this chemical on request. Send one free request and compare quotes side by side.

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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 3-Nitrosophenol is traded under.

HS 2908.99Indicative HS code

Halogenated, sulphonated, nitrated or nitrosated derivatives of phenols orโ€ฆ

World exports in 2024
$77.7M
+4.6% vs 2023, imports $83.7M
2019 to 2024
Top exporters
  1. China32.2%
  2. India * partner reported22.2%
  3. Spain8.5%
Top importers
  1. United States13.9%
  2. Spain10.6%
  3. Turkey8.3%

* Partner reported figures, a lower bound.

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

The HS code shown for 3-Nitrosophenol is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about 3-Nitrosophenol, based on the data on this page

What is 3-Nitrosophenol?

3-Nitrosophenol is a chemical substance with the molecular formula C6H5NO2 and a molar mass of 123.11 g/mol. Its CAS registry number is 20031-38-3.

What is the CAS number of 3-Nitrosophenol?

The CAS registry number of 3-Nitrosophenol is 20031-38-3.

What is the molecular formula and weight of 3-Nitrosophenol?

The molecular formula of 3-Nitrosophenol is C6H5NO2 and its molar mass is 123.11 g/mol.

Is 3-Nitrosophenol hazardous?

No GHS hazard classification for 3-Nitrosophenol 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 3-Nitrosophenol?

3-Nitrosophenol is usually classified under HS code 290899 (Halogenated, sulphonated, nitrated or nitrosated derivatives of phenols orโ€ฆ). This is indicative, confirm it with your customs broker before shipping.

Where can I buy 3-Nitrosophenol?

Post a free request on CompoundList and suppliers of 3-Nitrosophenol will send you quotes. Your contact details stay private until you accept a quote.

What is the price of 3-Nitrosophenol?

Suppliers quote 3-Nitrosophenol 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 3-Nitrosophenol

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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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