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Aromatic building blocks

Cupron

Also known as alpha-Benzoin oxime, Cuprone, 2-Hydroxy-1,2-diphenylethanone oxime

CAS 574-13-0Formula C14H13NO2Molar mass 227.26 g/molEC 209-367-3
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Cupron chemical structure, C14H13NO2, CAS 574-13-0
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
574-13-0
Formula
C14H13NO2
Molar mass
227.26 g/mol
EC number
209-367-3
HS code
292800
Category
Aromatic building blocks

What is Cupron?

Plain description, key identifiers and synonyms

Cupron is a chemical substance with the molecular formula C14H13NO2 and a molar mass of 227.26 g/mol. Its CAS registry number is 574-13-0. The IUPAC name is (2E)-2-hydroxyimino-1,2-diphenylethanol.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
(2E)-2-hydroxyimino-1,2-diphenylethanol
CAS number
574-13-0Other or deprecated CAS: 441-38-3, 5928-63-2
EC numbers
209-367-3, 227-665-1
Molecular formula
C14H13NO2
UNII
4W7F9B656N
MDL number
MFCD00004501
InChIKey
WAKHLWOJMHVUJC-FYWRMAATSA-N
InChI
InChI=1S/C14H13NO2/c16-14(12-9-5-2-6-10-12)13(15-17)11-7-3-1-4-8-11/h1-10,14,16-17H/b15-13+
Canonical SMILES
ON=C(c1ccccc1)C(O)c1ccccc1
Isomeric SMILES
C1=CC=C(C=C1)C(/C(=N/O)/C2=CC=CC=C2)O

Synonyms

  • alpha-Benzoin oxime
  • Cuprone
  • 2-Hydroxy-1,2-diphenylethanone oxime
  • (2E)-2-hydroxyimino-1,2-diphenylethanol
  • Ethanone, 2-hydroxy-1,2-diphenyl-, oxime, (1E)-
  • Benzoin oxime, (E)-
  • (E)-2-Hydroxy-1,2-diphenylethanone oxime
  • USAF FA-5
  • Ethanone, 2-hydroxy-1,2-diphenyl-, 1-oxime, (1E)-
  • 2-(hydroxyimino)-1,2-diphenylethan-1-ol
  • 2-Hydroxy-1,2-diphenyl-ethanone oxime
  • Benzoin, alpha-oxime
  • (E)-Benzoin oxime
  • Benzoin, oxime (VAN)
  • 2-(N-hydroxyimino)-1,2-diphenylethan-1-ol
  • a-Benzoin Oxime
  • Benzoin-alpha-oxime
  • e-Benzoin oxime
  • syn-Benzoin oxime
  • (E)-2-Hydroxy-1,2-diphenylethan-1-one oxime
  • alpha-Benzoin oxime, 98%
  • Benzoin oxime, (E)-(rs)-
  • Benzoin oxime alpha-form
  • (1E)-2-Hydroxy-1,2-diphenylethanone oxime
  • Ethanone, 2-hydroxy-1,2-diphenyl-, oxime, (E)-

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
227.26 g/molcalc.
Exact mass
227.0946 Dacalc.
LogP (octanol/water)
2.6calc.
Topological polar surface area
52.82 Ųcalc.
Hydrogen bond donors
2calc.
Hydrogen bond acceptors
3calc.
Rotatable bonds
3calc.
Heavy atoms
17calc.
Rings
2calc.
Aromatic rings
2calc.
Fraction sp3 carbons
0.07calc.
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, N=C(Cc1ccccc1)c1ccccc1

N=C(Cc1ccccc1)c1ccccc1

2 rings, 15 atoms.

51 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.

Cupron suppliers

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  • Unisource India
    India, MumbaiUnclaimed profile
    CupronGrade, 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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Cupron 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

United States

  • TSCA inventory (USA)
    Status: Inactive in US commerce

HS code and trade data

Customs classification and reported world trade statistics

Global trade

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

HS 2928.00Indicative HS code

Organic derivatives of hydrazine or of hydroxylamine

World exports in 2024
$1.38B
−9.0% vs 2023, imports $1.52B
2019 to 2024
Top exporters
  1. Switzerland * partner reported44.0%
  2. China18.4%
  3. Italy9.4%
Top importers
  1. Brazil21.8%
  2. United States12.8%
  3. Italy10.8%

* Partner reported figures, a lower bound.

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

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

Frequently asked questions

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

What is Cupron?

Cupron is a chemical substance with the molecular formula C14H13NO2 and a molar mass of 227.26 g/mol. Its CAS registry number is 574-13-0. The IUPAC name is (2E)-2-hydroxyimino-1,2-diphenylethanol.

What is the CAS number of Cupron?

The CAS registry number of Cupron is 574-13-0. Other or deprecated CAS numbers: 441-38-3, 5928-63-2.

What is the molecular formula and weight of Cupron?

The molecular formula of Cupron is C14H13NO2 and its molar mass is 227.26 g/mol.

What is Cupron used for?

Known uses and roles of Cupron include building blocks in research and laboratory and screening compounds in research and laboratory.

Is Cupron hazardous?

No GHS hazard classification for Cupron 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 Cupron?

Cupron is usually classified under HS code 292800 (Organic derivatives of hydrazine or of hydroxylamine). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Cupron?

CompoundList lists 1 supplier of Cupron in India. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

Where can I buy Cupron in India?

1 supplier in India list Cupron on CompoundList. Filter the suppliers list by country and send a request to compare prices, grades and delivery times.

What is the price of Cupron?

Suppliers quote Cupron 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 Cupron

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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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