CompoundList

Corinth flour

Also known as 1-Amino-4-benzamidoanthraquinone, 4-Amino-1-benzoylaminoanthraquinone, Anthraquinone, 1-amino-4-benzamido-

CAS 81-46-9Formula C21H14N2O3Molar mass 342.35 g/molEC 201-351-4
Corinth flour chemical structure, C21H14N2O3, CAS 81-46-9
2D chemical structure

Key facts

What buyers check first

CAS number
81-46-9
Formula
C21H14N2O3
Molar mass
342.35 g/mol
EC number
201-351-4
HS code
292429
Category
Screening compounds

What is Corinth flour?

Plain description, key identifiers and synonyms

N-(4-amino-9,10-dioxo-1-anthracenyl)benzamide is an anthraquinone.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
N-(4-amino-9,10-dioxoanthracen-1-yl)benzamide
CAS number
81-46-9 CAS number cross-checked
EC number
201-351-4
Molecular formula
C21H14N2O3
UNII
QG4HKZ6WYA
InChIKey
PXNNPGGYHAWDJW-UHFFFAOYSA-N
InChI
InChI=1S/C21H14N2O3/c22-15-10-11-16(23-21(26)12-6-2-1-3-7-12)18-17(15)19(24)13-8-4-5-9-14(13)20(18)25/h1-11H,22H2,(H,23,26)
SMILES (canonical and isomeric)
C1=CC=C(C=C1)C(=O)NC2=C3C(=C(C=C2)N)C(=O)C4=CC=CC=C4C3=O

Synonyms

  • 1-Amino-4-benzamidoanthraquinone
  • 4-Amino-1-benzoylaminoanthraquinone
  • Anthraquinone, 1-amino-4-benzamido-
  • N-(4-Aminoanthraquinonyl)benzamide
  • Benzamide, N-(4-amino-9,10-dihydro-9,10-dioxo-1-anthracenyl)-
  • Benzamide, N-(4-amino-1-anthraquinonyl)-
  • 1-Amino-4-(benzoylamino)anthraquinone
  • 1-Amino-4-benzoylaminoanthrachinon
  • 1-Amino-4-benzoylaminoanthraquinone
  • N-(4-amino-9,10-dioxoanthracen-1-yl)benzamide
  • N-(4-Amino-9,10-dihydro-9,10-dioxo-1-anthryl)benzamide
  • 1-Amino-4-(benzoylamino)anthrachinon
  • N-(4-amino-9,10-dioxo-9,10-dihydroanthracen-1-yl)benzamide
  • 4-Amino-1-(benzoylamino)anthraquinone
  • N-(4-Amino-9,10-dihydro-9,10-dioxo-1-anthracenyl)benzamide
  • Benzamide, N-(4-amino-9,10-dihydro-9,10-dioxo-1-anthracehyl)-
  • N-(4-Amino-9,10-dioxo-9,10-dihydro-anthracen-1-yl)-benzamide
  • 1-amino-4-benzoylamino anthraquinone
  • N-(4-amino-9,10-dioxoanthryl)benzamide
  • N-(4-amino-9,10-dioxo-1-anthracenyl)benzamide
  • Benzamide,10-dihydro-9,10-dioxo-1-anthracehyl)-
  • Benzamide, N-(9,10-dihydro-4-amino-9,10-dioxo-1antracenyl)-
  • N-(4-Amino-9,10-dioxo-9,10-dihydro-1-anthracenyl)benzamide #

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
342.35 g/molcalc.
Exact mass
342.1004 Dacalc.
LogP (octanol/water)
3.3calc.
Topological polar surface area
89.26 Ųcalc.
Hydrogen bond donors
2calc.
Hydrogen bond acceptors
4calc.
Rotatable bonds
2calc.
Heavy atoms
26calc.
Rings
4calc.
Aromatic rings
3calc.
Fraction sp3 carbons
0calc.
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=C(Nc1cccc2c1C(=O)c1ccccc1C2=O)c1ccccc1

O=C(Nc1cccc2c1C(=O)c1ccccc1C2=O)c1ccccc1

4 rings, 25 atoms, the N-(9,10-Dioxo-1-anthryl)benzamide ring system.

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.

Corinth flour suppliers

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Corinth flour 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: Active 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 Corinth flour is traded under.

HS 2924.29Indicative HS code

Cyclic amides (including cyclic carbamates) and their derivatives, salts thereof, other

World exports in 2024
$5.69B
−5.1% vs 2023, imports $5.8B
2019 to 2024
Top exporters
  1. China32.3%
  2. Switzerland * partner reported13.6%
  3. Norway * partner reported12.8%
Top importers
  1. United States15.9%
  2. Ireland15.8%
  3. Germany11.9%

* Partner reported figures, a lower bound.

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

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

Frequently asked questions

Quick answers about Corinth flour, based on the data on this page

What is Corinth flour?

N-(4-amino-9,10-dioxo-1-anthracenyl)benzamide is an anthraquinone.

What is the CAS number of Corinth flour?

The CAS registry number of Corinth flour is 81-46-9.

What is the molecular formula and weight of Corinth flour?

The molecular formula of Corinth flour is C21H14N2O3 and its molar mass is 342.35 g/mol.

What is Corinth flour used for?

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

Is Corinth flour hazardous?

No GHS hazard classification for Corinth flour 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 Corinth flour?

Corinth flour is usually classified under HS code 292429 (Cyclic amides (including cyclic carbamates) and their derivatives, salts thereof, other). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Corinth flour?

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

What is the price of Corinth flour?

Suppliers quote Corinth flour 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 Corinth flour

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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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