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Impurities and reference standards

1-Nitrosohydantoin

Also known as 1-nitrosoimidazolidine-2,4-dione, 2,4-Imidazolidinedione, 1-nitroso-, NHYD

CAS 42579-28-2Formula C3H3N3O3Molar mass 129.08 g/mol
1 supplier listed
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1-Nitrosohydantoin chemical structure, C3H3N3O3, CAS 42579-28-2
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
42579-28-2
Formula
C3H3N3O3
Molar mass
129.08 g/mol
HS code
293329
Category
Impurities and reference standards

What is 1-Nitrosohydantoin?

Plain description, key identifiers and synonyms

1-Nitrosohydantoin is a chemical substance with the molecular formula C3H3N3O3 and a molar mass of 129.08 g/mol. Its CAS registry number is 42579-28-2. The IUPAC name is 1-nitrosoimidazolidine-2,4-dione.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
1-nitrosoimidazolidine-2,4-dione
CAS number
42579-28-2 CAS number cross-checked
Molecular formula
C3H3N3O3
UNII
J9SZ3F9YPX
InChIKey
UIDGJTUNLMQGLT-UHFFFAOYSA-N
InChI
InChI=1S/C3H3N3O3/c7-2-1-6(5-9)3(8)4-2/h1H2,(H,4,7,8)
SMILES (canonical and isomeric)
C1C(=O)NC(=O)N1N=O

Synonyms

  • 1-nitrosoimidazolidine-2,4-dione
  • 2,4-Imidazolidinedione, 1-nitroso-
  • NHYD
  • 1-nitroso-2,4-imidazolidinedione
  • Hydantoin, 1-nitroso-
  • Nitrosohydantoin
  • Nitrosohydantoin, 1-
  • Hydantoin Impurity N9

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
129.08 g/molcalc.
Exact mass
129.0174 Dacalc.
LogP (octanol/water)
-0.78calc.
Topological polar surface area
78.84 Ųcalc.
Hydrogen bond donors
1calc.
Hydrogen bond acceptors
4calc.
Rotatable bonds
1calc.
Heavy atoms
9calc.
Rings
1calc.
Aromatic rings
0calc.
Fraction sp3 carbons
0.33calc.
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, O=C1CNC(=O)N1

O=C1CNC(=O)N1

1 ring, 7 atoms, the Hydantoin ring system.

705 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.

1-Nitrosohydantoin suppliers

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Where suppliers are based

1 supplier in 1 country

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1-Nitrosohydantoin 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 1-Nitrosohydantoin is traded under.

HS 2933.29Indicative HS code

Compounds containing an unfused imidazole ring (whether or not hydrogenated) in the…

World exports in 2024
$1.43B
−7.6% vs 2023, imports $1.47B
2019 to 2024
Top exporters
  1. China28.1%
  2. France * partner reported12.7%
  3. India * partner reported10.3%
Top importers
  1. United Kingdom13.0%
  2. United States7.9%
  3. China6.5%

* Partner reported figures, a lower bound.

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

The HS code shown for 1-Nitrosohydantoin is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about 1-Nitrosohydantoin, based on the data on this page

What is 1-Nitrosohydantoin?

1-Nitrosohydantoin is a chemical substance with the molecular formula C3H3N3O3 and a molar mass of 129.08 g/mol. Its CAS registry number is 42579-28-2. The IUPAC name is 1-nitrosoimidazolidine-2,4-dione.

What is the CAS number of 1-Nitrosohydantoin?

The CAS registry number of 1-Nitrosohydantoin is 42579-28-2.

What is the molecular formula and weight of 1-Nitrosohydantoin?

The molecular formula of 1-Nitrosohydantoin is C3H3N3O3 and its molar mass is 129.08 g/mol.

Is 1-Nitrosohydantoin hazardous?

No GHS hazard classification for 1-Nitrosohydantoin 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 1-Nitrosohydantoin?

1-Nitrosohydantoin is usually classified under HS code 293329 (Compounds containing an unfused imidazole ring (whether or not hydrogenated) in the…). This is indicative, confirm it with your customs broker before shipping.

Where can I buy 1-Nitrosohydantoin?

CompoundList lists 1 supplier of 1-Nitrosohydantoin in China. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

What is the price of 1-Nitrosohydantoin?

Suppliers quote 1-Nitrosohydantoin 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 1-Nitrosohydantoin

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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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