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Screening compounds

N-Vanillylidenebenzidine

Also known as Benzidine, N-vanillylidene-, 1-13-00-00065 (Beilstein Handbook Reference), Phenol, 4-(4-aminophenyl)phenyliminomethyl-2-methoxy-

CAS 73688-67-2Formula C20H18N2O2Molar mass 318.38 g/mol
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N-Vanillylidenebenzidine chemical structure, C20H18N2O2, CAS 73688-67-2
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
73688-67-2
Formula
C20H18N2O2
Molar mass
318.38 g/mol
HS code
292529
Category
Screening compounds

What is N-Vanillylidenebenzidine?

Plain description, key identifiers and synonyms

N-Vanillylidenebenzidine is a chemical substance with the molecular formula C20H18N2O2 and a molar mass of 318.38 g/mol. Its CAS registry number is 73688-67-2. The IUPAC name is 4-[[4-(4-aminophenyl)phenyl]iminomethyl]-2-methoxyphenol.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
4-[[4-(4-aminophenyl)phenyl]iminomethyl]-2-methoxyphenol
CAS number
73688-67-2
Molecular formula
C20H18N2O2
InChIKey
VMJWAYOXEYWYGB-UHFFFAOYSA-N
InChI
InChI=1S/C20H18N2O2/c1-24-20-12-14(2-11-19(20)23)13-22-18-9-5-16(6-10-18)15-3-7-17(21)8-4-15/h2-13,23H,21H2,1H3
SMILES (canonical and isomeric)
COC1=C(C=CC(=C1)C=NC2=CC=C(C=C2)C3=CC=C(C=C3)N)O

Synonyms

  • Benzidine, N-vanillylidene-
  • 1-13-00-00065 (Beilstein Handbook Reference)
  • Phenol, 4-(4-aminophenyl)phenyliminomethyl-2-methoxy-
  • 4-((E)-[(4'-Amino[1,1'-biphenyl]-4-yl)imino]methyl)-2-methoxyphenol #

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
318.38 g/molcalc.
Exact mass
318.1368 Dacalc.
LogP (octanol/water)
4.4calc.
Topological polar surface area
67.84 Ųcalc.
Hydrogen bond donors
2calc.
Hydrogen bond acceptors
4calc.
Rotatable bonds
4calc.
Heavy atoms
24calc.
Rings
3calc.
Aromatic rings
3calc.
Fraction sp3 carbons
0.05calc.
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, C(=Nc1ccc(-c2ccccc2)cc1)c1ccccc1

C(=Nc1ccc(-c2ccccc2)cc1)c1ccccc1

3 rings, 20 atoms, the N-Benzylidene-4-biphenylamine ring system.

16 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.

N-Vanillylidenebenzidine suppliers

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N-Vanillylidenebenzidine 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 N-Vanillylidenebenzidine is traded under.

HS 2925.29Indicative HS code

Imines and their derivatives, salts thereof, other

World exports in 2024
$1.8B
+12.4% vs 2023, imports $1.84B
2019 to 2024
Top exporters
  1. China35.9%
  2. France * partner reported15.5%
  3. Germany9.1%
Top importers
  1. United States13.3%
  2. China13.0%
  3. Brazil9.7%

* Partner reported figures, a lower bound.

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

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

Frequently asked questions

Quick answers about N-Vanillylidenebenzidine, based on the data on this page

What is N-Vanillylidenebenzidine?

N-Vanillylidenebenzidine is a chemical substance with the molecular formula C20H18N2O2 and a molar mass of 318.38 g/mol. Its CAS registry number is 73688-67-2. The IUPAC name is 4-[[4-(4-aminophenyl)phenyl]iminomethyl]-2-methoxyphenol.

What is the CAS number of N-Vanillylidenebenzidine?

The CAS registry number of N-Vanillylidenebenzidine is 73688-67-2.

What is the molecular formula and weight of N-Vanillylidenebenzidine?

The molecular formula of N-Vanillylidenebenzidine is C20H18N2O2 and its molar mass is 318.38 g/mol.

What is N-Vanillylidenebenzidine used for?

Known uses and roles of N-Vanillylidenebenzidine include building blocks in research and laboratory and screening compounds in research and laboratory.

Is N-Vanillylidenebenzidine hazardous?

No GHS hazard classification for N-Vanillylidenebenzidine 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 N-Vanillylidenebenzidine?

N-Vanillylidenebenzidine is usually classified under HS code 292529 (Imines and their derivatives, salts thereof, other). This is indicative, confirm it with your customs broker before shipping.

Where can I buy N-Vanillylidenebenzidine?

Post a free request on CompoundList and suppliers of N-Vanillylidenebenzidine will send you quotes. Your contact details stay private until you accept a quote.

What is the price of N-Vanillylidenebenzidine?

Suppliers quote N-Vanillylidenebenzidine 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 N-Vanillylidenebenzidine

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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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