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Screening compounds

AR-9281

Also known as APAU, Apau (enzyme inhibitor), 1-(1-Acetyl-piperidin-4-yl)-3-adamantan-1-yl-urea

CAS 913548-29-5Formula C18H29N3O2Molar mass 319.45 g/mol
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AR-9281 chemical structure, C18H29N3O2, CAS 913548-29-5
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
913548-29-5
Formula
C18H29N3O2
Molar mass
319.45 g/mol
HS code
293339
Category
Screening compounds

What is AR-9281?

Plain description, key identifiers and synonyms

AR-9281 is an enzyme inhibitor.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
1-(1-acetylpiperidin-4-yl)-3-(1-adamantyl)urea
CAS number
913548-29-5
Molecular formula
C18H29N3O2
UNII
4HA03Q8EZ9
InChIKey
HUDQLWBKJOMXSZ-UHFFFAOYSA-N
InChI
InChI=1S/C18H29N3O2/c1-12(22)21-4-2-16(3-5-21)19-17(23)20-18-9-13-6-14(10-18)8-15(7-13)11-18/h13-16H,2-11H2,1H3,(H2,19,20,23)
SMILES (canonical and isomeric)
CC(=O)N1CCC(CC1)NC(=O)NC23CC4CC(C2)CC(C4)C3

Synonyms

  • APAU
  • Apau (enzyme inhibitor)
  • 1-(1-Acetyl-piperidin-4-yl)-3-adamantan-1-yl-urea
  • Ar9281
  • 1-(Adamantane-1-yl)-3-(1-acetylpiperidine-4-yl)urea
  • 1-(1-acetylpiperidin-4-yl)-3-(1-adamantyl)urea
  • Urea, N-(1-acetyl-4-piperidinyl)-N'-tricyclo(3.3.1.13,7)dec-1-yl-
  • 4-Piperidinamine, 1-acetyl-N-((tricycle(3.3.1.13,7)dec-1-ylamino)carbonyl)-
  • AR 9281
  • 1-(1-acetylpiperidin-4-yl)-3-(adamantan-1-yl)urea
  • 1-[(1-Acetylpiperidin-4-yl)-3-adamantan-1-yl]urea
  • 3-(1-acetylpiperidin-4-yl)-1-[(3R,5S,7s)-adamantan-1-yl]urea
  • 3-(1-acetylpiperidin-4-yl)-1-(adamantan-1-yl)urea
  • compound 14a
  • 1-(1-acetyl-4-piperidyl)-3-(1-adamantyl)urea
  • US8501783, 1153
  • 1-(adamant-1-yl)-3-(1-acetylpiperidin-4-yl) urea
  • 1-[1-(acetyl)piperidin-4-yl]-3-(adamant-1-yl)urea
  • N-(1-acetylpiperidin-4-yl)-N''-(adamant-1-yl)urea
  • N-(1-Acetylpiperidin-4-yl)-N'-(adamant-1-yl) urea
  • N-(1-acetyl-piperidin-4-yl)-N''-(adamantan-1-yl)urea
  • 3-(1-acetylpiperidin-4-yl)-1-[(3R,5R)-adamantan-1-yl]urea

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
319.45 g/molcalc.
Exact mass
319.226 Dacalc.
LogP (octanol/water)
2.27calc.
Topological polar surface area
61.44 Ųcalc.
Hydrogen bond donors
2calc.
Hydrogen bond acceptors
2calc.
Rotatable bonds
2calc.
Heavy atoms
23calc.
Rings
5calc.
Aromatic rings
0calc.
Fraction sp3 carbons
0.89calc.
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=C(NC1CCNCC1)NC12CC3CC(CC(C3)C1)C2

O=C(NC1CCNCC1)NC12CC3CC(CC(C3)C1)C2

5 rings, 20 atoms.

4 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.

AR-9281 suppliers

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

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  • Sun-shine Chemical
    China, WuhanUnclaimed profile
    AR-9281Grade, purity and minimum order on request
    Price on request
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Where suppliers are based

1 supplier in 1 country

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AR-9281 price

Indicative price range per kg from live supplier offers

No published prices right now

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Uses and applications

What the substance is used for, by industry and function

Roles

  • enzyme inhibitor

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 AR-9281 is traded under.

HS 2933.39Indicative HS code

Heterocyclic compounds containing an unfused pyridine ring (whether or not hydrogenated) in the structure…

World exports in 2024
$9.16B
−17.9% vs 2023, imports $10.6B
2019 to 2024
Top exporters
  1. China21.5%
  2. India * partner reported12.3%
  3. Ireland11.6%
Top importers
  1. Germany14.2%
  2. United States12.8%
  3. Brazil10.1%

* Partner reported figures, a lower bound.

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

The HS code shown for AR-9281 is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about AR-9281, based on the data on this page

What is AR-9281?

AR-9281 is an enzyme inhibitor.

What is the CAS number of AR-9281?

The CAS registry number of AR-9281 is 913548-29-5.

What is the molecular formula and weight of AR-9281?

The molecular formula of AR-9281 is C18H29N3O2 and its molar mass is 319.45 g/mol.

What is AR-9281 used for?

Known uses and roles of AR-9281 include building blocks in research and laboratory, screening compounds in research and laboratory and enzyme inhibitor.

Is AR-9281 hazardous?

No GHS hazard classification for AR-9281 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 AR-9281?

AR-9281 is usually classified under HS code 293339 (Compounds containing an unfused pyridine ring (whether or not hydrogenated) in the…). This is indicative, confirm it with your customs broker before shipping.

Where can I buy AR-9281?

CompoundList lists 1 supplier of AR-9281 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 AR-9281?

Suppliers quote AR-9281 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 AR-9281

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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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