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Heterocyclic building blocks

Pyrovalerone

Also known as Pirovalerona, Pyrovaleronum, 4'-Methyl-2-(1-pyrrolidinyl)valerophenone

CAS 3563-49-3Formula C16H23NOMolar mass 245.37 g/molEC 803-642-7
GHS signal word: Danger. Pictograms: Corrosive, Harmful or irritant, Hazardous to the environment Prohibited, not for trade
Why it is not for trade
Pyrovalerone chemical structure, C16H23NO, CAS 3563-49-3
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
3563-49-3
Formula
C16H23NO
Molar mass
245.37 g/mol
EC number
803-642-7
HS code
293391
Category
Heterocyclic building blocks

What is Pyrovalerone?

Plain description, key identifiers and synonyms

Pyrovalerone is an aromatic ketone.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
1-(4-methylphenyl)-2-pyrrolidin-1-ylpentan-1-one
CAS number
3563-49-3 CAS number cross-checked
EC number
803-642-7
Molecular formula
C16H23NO
UNII
VOU69C02JP
InChIKey
SWUVZKWCOBGPTH-UHFFFAOYSA-N
InChI
InChI=1S/C16H23NO/c1-3-6-15(17-11-4-5-12-17)16(18)14-9-7-13(2)8-10-14/h7-10,15H,3-6,11-12H2,1-2H3
SMILES (canonical and isomeric)
CCCC(C(=O)C1=CC=C(C=C1)C)N2CCCC2

Synonyms

  • Pirovalerona
  • Pyrovaleronum
  • 4'-Methyl-2-(1-pyrrolidinyl)valerophenone
  • 1-Pentanone, 1-(4-methylphenyl)-2-(1-pyrrolidinyl)-
  • 1-(4-methylphenyl)-2-pyrrolidin-1-yl-pentan-1-one
  • 1-(4-methylphenyl)-2-(pyrrolidin-1-yl)pentan-1-one
  • Valerophenone, 4'-methyl-2-(1-pyrrolidinyl)-
  • 1-(4-methylphenyl)-2-pyrrolidin-1-ylpentan-1-one
  • 4'-methyl-alpha-pyrrolidinovalerophenone
  • 1-p-Tolyl-1-oxo-2-pyrrolidino-n-pentane
  • 1-(4-methylphenyl)-2-pyrrolidin-1-yl pentan-1-one
  • 1-(4-Methylphenyl)-2-(1-pyrrolidinyl)-1-pentanone #

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
245.37 g/molcalc.
Exact mass
245.178 Dacalc.
LogP (octanol/water)
3.44calc.
Topological polar surface area
20.31 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
2calc.
Rotatable bonds
5calc.
Heavy atoms
18calc.
Rings
2calc.
Aromatic rings
1calc.
Fraction sp3 carbons
0.56calc.
Formal charge
0calc.
Stereocentres
1calc.
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=C(CN1CCCC1)c1ccccc1

O=C(CN1CCCC1)c1ccccc1

2 rings, 14 atoms, the Ethanone, 1-phenyl-2-(1-pyrrolidinyl)- ring system.

144 other chemicals share this scaffold

Safety and hazards

GHS classification summary, not a safety data sheet

GHS signal word
Danger
GHS05: Corrosive
Corrosive
GHS07: Harmful or irritant
Harmful or irritant
GHS09: Hazardous to the environment
Hazardous to the environment

Hazard statements

  • H302Harmful if swallowed.
  • H318Causes serious eye damage.
  • H411Toxic to aquatic life with long lasting effects.
Precautionary statements (11)
  • P264Wash skin thoroughly after handling.
  • P264 + P265Wash skin thoroughly after handling. Do not touch eyes.
  • P270Do not eat, drink or smoke when using this product.
  • P273Avoid release to the environment.
  • P280Wear protective gloves, protective clothing, eye protection and face protection.
  • P301 + P317If swallowed: Get medical help.
  • P305 + P354 + P338If in eyes: Immediately rinse with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
  • P317Get medical help.
  • P330Rinse mouth.
  • P391Collect spillage.
  • P501Dispose of contents and container in accordance with local regulations.

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

Full safety data and first aid

Pyrovalerone suppliers

Trading restrictions apply to this substance

Psychotropic substance

Pyrovalerone is prohibited on CompoundList. Listings, quotes and messages are disabled. This page is kept for information only.

Listing and enquiries are not allowed for this substance.

Reference: UN Convention on Psychotropic Substances 1971, HS 2022 subheading 2933.91 (benzodiazepines and related substances)

Our policy on controlled substances

Pyrovalerone price

Indicative price range per kg from live supplier offers

Prices are not shown for prohibited substances.

Uses and applications

What the substance is used for, by industry and function

Pharmacological actions

  • Central Nervous System Stimulants

Regulatory status

Inventories, regulations and trade controls that list this substance

Psychotropic substance

Pyrovalerone is prohibited on CompoundList. Listings, quotes and messages are disabled. This page is kept for information only.

Listing and enquiries are not allowed for this substance.

Reference: UN Convention on Psychotropic Substances 1971, HS 2022 subheading 2933.91 (benzodiazepines and related substances)

Our policy on controlled substances

Controls

  • US DEA controlled substance or listed chemical
  • Controlled psychotropic substance

HS code and trade data

Customs classification and reported world trade statistics

Global trade

World import and export statistics for the HS code Pyrovalerone is traded under.

HS 2933.91Exact HS code

Alprazolam (INN), camazepam (INN), chlordiazepoxide (INN), clonazepam (INN)…

World exports in 2024
$118M
−26.3% vs 2023, imports $94.2M
2019 to 2024
Top exporters
  1. Italy37.7%
  2. United States22.7%
  3. India * partner reported9.8%
Top importers
  1. Germany13.8%
  2. Spain10.4%
  3. United States10.2%

* Partner reported figures, a lower bound.

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

The HS code shown for Pyrovalerone is indicative (it was matched by name in the HS nomenclature). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about Pyrovalerone, based on the data on this page

What is Pyrovalerone?

Pyrovalerone is an aromatic ketone.

What is the CAS number of Pyrovalerone?

The CAS registry number of Pyrovalerone is 3563-49-3.

What is the molecular formula and weight of Pyrovalerone?

The molecular formula of Pyrovalerone is C16H23NO and its molar mass is 245.37 g/mol.

What is Pyrovalerone used for?

Known uses and roles of Pyrovalerone include building blocks in research and laboratory, screening compounds in research and laboratory and central nervous system stimulants.

Is Pyrovalerone hazardous?

Pyrovalerone carries the GHS signal word "Danger". Main hazards: harmful if swallowed, causes serious eye damage, toxic to aquatic life with long lasting effects. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of Pyrovalerone?

Pyrovalerone is usually classified under HS code 293391 (Alprazolam (INN), camazepam (INN), chlordiazepoxide (INN), clonazepam (INN)…). This is indicative, confirm it with your customs broker before shipping.

Can I buy Pyrovalerone on CompoundList?

No. Pyrovalerone is on our prohibited list, so listings, quotes and messages for it are disabled. This page is kept for information only.

Guides for buyers

Practical guides that help when you source, ship or handle Pyrovalerone

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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