CompoundList
Sign in
Heterocyclic building blocks

RefChem:854889

Also known as 10-Ethyl-2,3-dihydroimidazo[2,1-b]quinazolin-5(10H)-one, 10-ethyl-2,10-dihydroimidazo[2,1-b]quinazolin-5(3H)-one

CAS 4802-89-5Formula C12H13N3OMolar mass 215.26 g/molEC 665-728-9
GHS signal word: Warning. Pictograms: Harmful or irritant
Get quotes Safety data
RefChem:854889 chemical structure, C12H13N3O, CAS 4802-89-5
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
4802-89-5
Formula
C12H13N3O
Molar mass
215.26 g/mol
EC number
665-728-9
HS code
293359
Category
Heterocyclic building blocks

What is RefChem:854889?

Plain description, key identifiers and synonyms

RefChem:854889 is a chemical substance with the molecular formula C12H13N3O and a molar mass of 215.26 g/mol. Its CAS registry number is 4802-89-5. The IUPAC name is 10-ethyl-2,3-dihydroimidazo[2,1-b]quinazolin-5-one.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
10-ethyl-2,3-dihydroimidazo[2,1-b]quinazolin-5-one
CAS number
4802-89-5 CAS number cross-checked
EC number
665-728-9
Molecular formula
C12H13N3O
InChIKey
KCGUQYXTRFJGEH-UHFFFAOYSA-N
InChI
InChI=1S/C12H13N3O/c1-2-14-10-6-4-3-5-9(10)11(16)15-8-7-13-12(14)15/h3-6H,2,7-8H2,1H3
SMILES (canonical and isomeric)
CCN1C2=CC=CC=C2C(=O)N3C1=NCC3

Synonyms

  • 10-Ethyl-2,3-dihydroimidazo[2,1-b]quinazolin-5(10H)-one
  • 10-ethyl-2,10-dihydroimidazo[2,1-b]quinazolin-5(3H)-one

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
215.26 g/molcalc.
Exact mass
215.1059 Dacalc.
LogP (octanol/water)
1.34calc.
Topological polar surface area
35.91 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
3calc.
Rotatable bonds
1calc.
Heavy atoms
16calc.
Rings
3calc.
Aromatic rings
1calc.
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=C1c2ccccc2NC2=NCCN12

O=C1c2ccccc2NC2=NCCN12

3 rings, 14 atoms, the 2,3-Dihydroimidazo[2,1-b]quinazolin-5(1H)-one ring system.

8 other chemicals share this scaffold

Safety and hazards

GHS classification summary, not a safety data sheet

GHS signal word
Warning
GHS07: Harmful or irritant
Harmful or irritant

Hazard statements

  • H315Causes skin irritation.
  • H319Causes serious eye irritation.
  • H335May cause respiratory irritation.
Precautionary statements (16)
  • P261Avoid breathing dust, fume, gas, mist, vapours or spray.
  • P264Wash skin thoroughly after handling.
  • P264 + P265Wash skin thoroughly after handling. Do not touch eyes.
  • P271Use only outdoors or in a well-ventilated area.
  • P280Wear protective gloves, protective clothing, eye protection and face protection.
  • P302 + P352If on skin: Wash with plenty of water.
  • P304 + P340If inhaled: Remove person to fresh air and keep comfortable for breathing.
  • P305 + P351 + P338If in eyes: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
  • P319Get medical help if you feel unwell.
  • P321Specific treatment (see supplemental first aid instructions on the label).
  • P332 + P317If skin irritation occurs: Get medical help.
  • P337 + P317If eye irritation persists: Get medical help.
  • P362 + P364Take off contaminated clothing. And wash it before reuse.
  • P403 + P233Store in a well-ventilated place. Keep container tightly closed.
  • P405Store locked up.
  • 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

RefChem:854889 suppliers

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

No supplier listings yet

Post one free request and suppliers who make or trade RefChem:854889 can send you quotes. Your contact details stay private until you accept a quote.

Request quotesSell this chemical

RefChem:854889 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.

Get latest price

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 RefChem:854889 is traded under.

HS 2933.59Indicative HS code

Compounds containing a pyrimidine ring (whether or not hydrogenated) or piperazine ring, other

World exports in 2024
$18.4B
+10.5% vs 2023, imports $24.8B
2019 to 2024
Top exporters
  1. Ireland43.6%
  2. Switzerland * partner reported26.3%
  3. China7.9%
Top importers
  1. Slovenia30.3%
  2. United States30.1%
  3. Germany15.3%

* Partner reported figures, a lower bound.

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

The HS code shown for RefChem:854889 is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about RefChem:854889, based on the data on this page

What is RefChem:854889?

RefChem:854889 is a chemical substance with the molecular formula C12H13N3O and a molar mass of 215.26 g/mol. Its CAS registry number is 4802-89-5. The IUPAC name is 10-ethyl-2,3-dihydroimidazo[2,1-b]quinazolin-5-one.

What is the CAS number of RefChem:854889?

The CAS registry number of RefChem:854889 is 4802-89-5.

What is the molecular formula and weight of RefChem:854889?

The molecular formula of RefChem:854889 is C12H13N3O and its molar mass is 215.26 g/mol.

What is RefChem:854889 used for?

Known uses and roles of RefChem:854889 include building blocks in research and laboratory and screening compounds in research and laboratory.

Is RefChem:854889 hazardous?

RefChem:854889 carries the GHS signal word "Warning". Main hazards: causes skin irritation, causes serious eye irritation, may cause respiratory irritation. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of RefChem:854889?

RefChem:854889 is usually classified under HS code 293359 (Compounds containing a pyrimidine ring (whether or not hydrogenated) or piperazine ring…). This is indicative, confirm it with your customs broker before shipping.

Where can I buy RefChem:854889?

Post a free request on CompoundList and suppliers of RefChem:854889 will send you quotes. Your contact details stay private until you accept a quote.

What is the price of RefChem:854889?

Suppliers quote RefChem:854889 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 RefChem:854889

Get quotes for RefChem:854889

Post one free request with your grade, quantity and destination. Matching suppliers send quotes you can compare side by side.
Post a request Sell RefChem:854889
Data last updated 7 Oct 2026. Details may have changed, please confirm them with the supplier. Report an error on this page
Embed this structure on your websiteShow code

Paste this code into your page to show the 2D structure of RefChem:854889 with a 3D view, its CAS number where known and a link back to this page. Free to use with the link kept.

<iframe src="https://www.compoundlist.com/embed/structure/refchem-854889-4802-89-5" title="RefChem:854889 structure on CompoundList" width="360" height="420" style="border:1px solid #E7E2DA;border-radius:12px;max-width:100%" loading="lazy" referrerpolicy="strict-origin-when-cross-origin"></iframe>
Preview the embed

Explore more in Heterocyclic building blocks or HS code 293359

Price on request
Free quotes, contact stays private
Get quotes