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Aromatic building blocks

2-(Phenylethylhydrazono)propionic acid

Also known as 2-((2-Phenylethyl)hydrazono)propanoic acid, PEHP, 2-(Phenylethylhydrazono)propanoic acid

CAS 66700-68-3Formula C11H14N2O2Molar mass 206.25 g/mol
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2-(Phenylethylhydrazono)propionic acid chemical structure, C11H14N2O2, CAS 66700-68-3
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
66700-68-3
Formula
C11H14N2O2
Molar mass
206.25 g/mol
HS code
292800
Category
Aromatic building blocks

What is 2-(Phenylethylhydrazono)propionic acid?

Plain description, key identifiers and synonyms

2-(Phenylethylhydrazono)propionic acid is a chemical substance with the molecular formula C11H14N2O2 and a molar mass of 206.25 g/mol. Its CAS registry number is 66700-68-3. The IUPAC name is (2E)-2-(2-phenylethylhydrazinylidene)propanoic acid.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
(2E)-2-(2-phenylethylhydrazinylidene)propanoic acid
CAS number
66700-68-3
Molecular formula
C11H14N2O2
InChIKey
NCQKSUNJAAZVJW-UKTHLTGXSA-N
InChI
InChI=1S/C11H14N2O2/c1-9(11(14)15)13-12-8-7-10-5-3-2-4-6-10/h2-6,12H,7-8H2,1H3,(H,14,15)/b13-9+
Canonical SMILES
CC(=NNCCc1ccccc1)C(=O)O
Isomeric SMILES
C/C(=N\NCCC1=CC=CC=C1)/C(=O)O

Synonyms

  • 2-((2-Phenylethyl)hydrazono)propanoic acid
  • PEHP
  • 2-(Phenylethylhydrazono)propanoic acid
  • (2E)-2-(2-phenylethylhydrazinylidene)propanoic acid

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
206.25 g/molcalc.
Exact mass
206.1055 Dacalc.
LogP (octanol/water)
1.28calc.
Topological polar surface area
61.69 Ųcalc.
Hydrogen bond donors
2calc.
Hydrogen bond acceptors
3calc.
Rotatable bonds
5calc.
Heavy atoms
15calc.
Rings
1calc.
Aromatic rings
1calc.
Fraction sp3 carbons
0.27calc.
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, c1ccccc1

c1ccccc1

1 ring, 6 atoms, the Benzene ring system.

485,677 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.

2-(Phenylethylhydrazono)propionic acid suppliers

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2-(Phenylethylhydrazono)propionic acid 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

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 2-(Phenylethylhydrazono)propionic acid 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 2-(Phenylethylhydrazono)propionic acid is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about 2-(Phenylethylhydrazono)propionic acid, based on the data on this page

What is 2-(Phenylethylhydrazono)propionic acid?

2-(Phenylethylhydrazono)propionic acid is a chemical substance with the molecular formula C11H14N2O2 and a molar mass of 206.25 g/mol. Its CAS registry number is 66700-68-3. The IUPAC name is (2E)-2-(2-phenylethylhydrazinylidene)propanoic acid.

What is the CAS number of 2-(Phenylethylhydrazono)propionic acid?

The CAS registry number of 2-(Phenylethylhydrazono)propionic acid is 66700-68-3.

What is the molecular formula and weight of 2-(Phenylethylhydrazono)propionic acid?

The molecular formula of 2-(Phenylethylhydrazono)propionic acid is C11H14N2O2 and its molar mass is 206.25 g/mol.

What is 2-(Phenylethylhydrazono)propionic acid used for?

Known uses and roles of 2-(Phenylethylhydrazono)propionic acid include building blocks in research and laboratory and screening compounds in research and laboratory.

Is 2-(Phenylethylhydrazono)propionic acid hazardous?

No GHS hazard classification for 2-(Phenylethylhydrazono)propionic acid 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 2-(Phenylethylhydrazono)propionic acid?

2-(Phenylethylhydrazono)propionic acid 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 2-(Phenylethylhydrazono)propionic acid?

Post a free request on CompoundList and suppliers of 2-(Phenylethylhydrazono)propionic acid will send you quotes. Your contact details stay private until you accept a quote.

What is the price of 2-(Phenylethylhydrazono)propionic acid?

Suppliers quote 2-(Phenylethylhydrazono)propionic acid 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 2-(Phenylethylhydrazono)propionic acid

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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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