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Heterocyclic building blocks

Ethnor

Also known as 1H-Imidazole-5-carboxylic acid, 1-(1-phenylethyl)-, ethyl ester, (+-)-, Ethyl 1-(1-phenylethyl)-1H-imidazole-5-carboxylate, Absele

CAS 15301-65-2Formula C14H16N2O2Molar mass 244.29 g/mol
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Ethnor chemical structure, C14H16N2O2, CAS 15301-65-2
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
15301-65-2
Formula
C14H16N2O2
Molar mass
244.29 g/mol
HS code
293329
Category
Heterocyclic building blocks

What is Ethnor?

Plain description, key identifiers and synonyms

3-(1-phenylethyl)-4-imidazolecarboxylic acid ethyl ester is a member of imidazoles.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
ethyl 3-(1-phenylethyl)imidazole-4-carboxylate
CAS number
15301-65-2Other or deprecated CAS: 33125-97-2
Molecular formula
C14H16N2O2
InChIKey
NPUKDXXFDDZOKR-UHFFFAOYSA-N
InChI
InChI=1S/C14H16N2O2/c1-3-18-14(17)13-9-15-10-16(13)11(2)12-7-5-4-6-8-12/h4-11H,3H2,1-2H3
SMILES (canonical and isomeric)
CCOC(=O)C1=CN=CN1C(C)C2=CC=CC=C2

Synonyms

  • 1H-Imidazole-5-carboxylic acid, 1-(1-phenylethyl)-, ethyl ester, (+-)-
  • Ethyl 1-(1-phenylethyl)-1H-imidazole-5-carboxylate
  • Absele
  • Radenarcon
  • ethyl 3-(1-phenylethyl)imidazole-4-carboxylate
  • Amidate (pharmaceutical)
  • 1H-Imidazole-5-carboxylic acid, 1-(1-phenylethyl)-, ethyl ester, (R)-
  • 1-(1-Phenylethyl)-1H-imidazole-5-carboxylic acid ethyl ester
  • rac-Etomidate
  • Etomidate Racemate
  • (+/-)-Etomidate
  • Imidazole-5-carboxylic acid, 1-(alpha-methylbenzyl)-, ethyl ester, (R)-(+)-
  • US9394290, ETO (etomidate)
  • ethyl 1-(phenylethyl)imidazole-5-carboxylate
  • Ethyl1-(1-phenylethyl)-1H-imidazole-5-carboxylate
  • 3-(1-phenylethyl)-4-imidazolecarboxylic acid ethyl ester
  • (+)-Ethyl 1-(alpha-methylbenzyl)imidazole-5-carboxylate
  • (-)-ethyl 1-(1-phenylethyl)-1H-imidazole- 5-carboxylate
  • (-)-ethyl 1-(1-phenylethyl)-1H-imidazole-5-carboxylate
  • Ethyl 1-(1-phenylethyl)-1H-imidazole-5-carboxylate, (+)-
  • R-(+) ethyl 1-(1-phenylethyl)-1H-imidazole-5-carboxylate
  • 1-(alpha-Methylbenzyl)-1H-imidazole-5-carboxylic acid ethyl ester
  • (R)-(+)-1-(alpha-Methylbenzyl)imidazole-5-carboxylic acid ethyl ester
  • 1H-Imidazole-5-carboxylic acid, 1-(alpha-methylbenzyl)-, ethyl ester, (+)-

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
244.29 g/molcalc.
Exact mass
244.1212 Dacalc.
LogP (octanol/water)
2.67calc.
Topological polar surface area
44.12 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
3calc.
Rotatable bonds
4calc.
Heavy atoms
18calc.
Rings
2calc.
Aromatic rings
2calc.
Fraction sp3 carbons
0.29calc.
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, c1ccc(Cn2ccnc2)cc1

c1ccc(Cn2ccnc2)cc1

2 rings, 12 atoms, the 1-Benzylimidazole ring system.

1,214 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.

Ethnor suppliers

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

All 6 suppliers
6 of 6 offers

Suppliers marked Unclaimed profile have not claimed their profile yet. They are not verified by CompoundList, their offers are price on request and details may have changed, so please confirm them with the supplier. Company representatives can claim a profile with a business email on the company's own website domain. Our team verifies each claim and sends the result by email.

Where suppliers are based

6 suppliers in 4 countries

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Ethnor 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.

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Uses and applications

What the substance is used for, by industry and function

Use classes: Pharmaceuticals.

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 Ethnor 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 Ethnor is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

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

What is Ethnor?

3-(1-phenylethyl)-4-imidazolecarboxylic acid ethyl ester is a member of imidazoles.

What is the CAS number of Ethnor?

The CAS registry number of Ethnor is 15301-65-2. Other or deprecated CAS numbers: 33125-97-2.

What is the molecular formula and weight of Ethnor?

The molecular formula of Ethnor is C14H16N2O2 and its molar mass is 244.29 g/mol.

What is Ethnor used for?

Use classes: Pharmaceuticals.

Is Ethnor hazardous?

No GHS hazard classification for Ethnor 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 Ethnor?

Ethnor 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 Ethnor?

CompoundList lists 6 suppliers of Ethnor in China, United States, United Kingdom and Israel. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

What is the price of Ethnor?

Suppliers quote Ethnor 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 Ethnor

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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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