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Heterocyclic building blocks

N-Nitrosohydroxyproline

Also known as (4R)-4-hydroxy-1-nitroso-L-proline, trans-4-Hydroxy-1-nitroso-L-proline, Proline, 4-hydroxy-1-nitroso-, L-

CAS 30310-80-6Formula C5H8N2O4Molar mass 160.13 g/mol
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N-Nitrosohydroxyproline chemical structure, C5H8N2O4, CAS 30310-80-6
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
30310-80-6
Formula
C5H8N2O4
Molar mass
160.13 g/mol
HS code
293399
Category
Heterocyclic building blocks

What is N-Nitrosohydroxyproline?

Plain description, key identifiers and synonyms

N-Nitrosohydroxyproline is a L-proline derivative.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
(2S,4R)-4-hydroxy-1-nitrosopyrrolidine-2-carboxylic acid
CAS number
30310-80-6 CAS number cross-checked
Molecular formula
C5H8N2O4
UNII
D9BBV16TX0
MDL number
MFCD27949049
InChIKey
ABVBOWJCKJGCJM-DMTCNVIQSA-N
InChI
InChI=1S/C5H8N2O4/c8-3-1-4(5(9)10)7(2-3)6-11/h3-4,8H,1-2H2,(H,9,10)/t3-,4+/m1/s1
Canonical SMILES
O=NN1CC(O)CC1C(=O)O
Isomeric SMILES
C1[C@H](CN([C@@H]1C(=O)O)N=O)O

Synonyms

  • (4R)-4-hydroxy-1-nitroso-L-proline
  • trans-4-Hydroxy-1-nitroso-L-proline
  • Proline, 4-hydroxy-1-nitroso-, L-
  • 4-Hydroxy-1-nitroso-L-proline
  • 4-Hydroxy-1-nitroso-l-proline, trans-
  • N-Nitrosohydroxyproline (iarc)
  • N-Nitroso-L-hydroxyproline
  • Nitrosohydroxyproline
  • (2S,4R)-4-hydroxy-1-nitrosopyrrolidine-2-carboxylic acid
  • L-Proline, 4-hydroxy-1-nitroso-, (4R)-
  • (2S,4R)-4-hydroxy-1-nitroso-pyrrolidine-2-carboxylic acid

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
160.13 g/molcalc.
Exact mass
160.0484 Dacalc.
LogP (octanol/water)
-0.81calc.
Topological polar surface area
90.2 Ųcalc.
Hydrogen bond donors
2calc.
Hydrogen bond acceptors
4calc.
Rotatable bonds
2calc.
Heavy atoms
11calc.
Rings
1calc.
Aromatic rings
0calc.
Fraction sp3 carbons
0.8calc.
Formal charge
0calc.
Stereocentres
2calc.
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, C1CCNC1

C1CCNC1

1 ring, 5 atoms, the Pyrrolidine ring system.

22,348 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.

N-Nitrosohydroxyproline suppliers

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N-Nitrosohydroxyproline 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

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 N-Nitrosohydroxyproline is traded under.

HS 2933.99Indicative HS code

Heterocyclic compounds with nitrogen hetero-atom(s) only, other

World exports in 2024
$12.1B
−31.0% vs 2023, imports $28.8B
2019 to 2024
Top exporters
  1. China30.5%
  2. India * partner reported16.3%
  3. Ireland9.0%
Top importers
  1. Slovenia31.7%
  2. Italy24.2%
  3. United States5.0%

* Partner reported figures, a lower bound.

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

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

Frequently asked questions

Quick answers about N-Nitrosohydroxyproline, based on the data on this page

What is N-Nitrosohydroxyproline?

N-Nitrosohydroxyproline is a L-proline derivative.

What is the CAS number of N-Nitrosohydroxyproline?

The CAS registry number of N-Nitrosohydroxyproline is 30310-80-6.

What is the molecular formula and weight of N-Nitrosohydroxyproline?

The molecular formula of N-Nitrosohydroxyproline is C5H8N2O4 and its molar mass is 160.13 g/mol.

What is N-Nitrosohydroxyproline used for?

Known uses and roles of N-Nitrosohydroxyproline include building blocks in research and laboratory and screening compounds in research and laboratory.

Is N-Nitrosohydroxyproline hazardous?

No GHS hazard classification for N-Nitrosohydroxyproline 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 N-Nitrosohydroxyproline?

N-Nitrosohydroxyproline is usually classified under HS code 293399 (Heterocyclic compounds with nitrogen hetero-atom(s) only, other). This is indicative, confirm it with your customs broker before shipping.

Where can I buy N-Nitrosohydroxyproline?

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

What is the price of N-Nitrosohydroxyproline?

Suppliers quote N-Nitrosohydroxyproline 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 N-Nitrosohydroxyproline

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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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