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Heterocyclic building blocks

FK 1052

Also known as 8,9-Dihydro-10-methyl-7-((5-methyl-1H-imidazol-4-yl)methyl)pyrido(1,2-a)indol-6(7H)-one, 10-methyl-7-((5-methyl-1H-imidazol-4-yl)methyl)-8,9-dihydropyrido[1,2-a]indol-6(7H)-one, 8,9-dihydro-10-methyl-7-[(5-methyl-1H-imidazol-4-yl)methyl]pyrido[1,2-a]indol-6(7H)-one

CAS 129299-72-5Formula C18H19N3OMolar mass 293.37 g/mol
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FK 1052 chemical structure, C18H19N3O, CAS 129299-72-5
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
129299-72-5
Formula
C18H19N3O
Molar mass
293.37 g/mol
HS code
293329
Category
Heterocyclic building blocks

What is FK 1052?

Plain description, key identifiers and synonyms

FK 1052 is a chemical substance with the molecular formula C18H19N3O and a molar mass of 293.37 g/mol. Its CAS registry number is 129299-72-5. The IUPAC name is 10-methyl-7-[(5-methyl-1H-imidazol-4-yl)methyl]-8,9-dihydro-7H-pyrido[1,2-a]indol-6-one.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
10-methyl-7-[(5-methyl-1H-imidazol-4-yl)methyl]-8,9-dihydro-7H-pyrido[1,2-a]indol-6-one
CAS number
129299-72-5 CAS number cross-checkedOther or deprecated CAS: 129299-89-4
Molecular formula
C18H19N3O
InChIKey
AEKQMJRJRAHOAP-UHFFFAOYSA-N
InChI
InChI=1S/C18H19N3O/c1-11-14-5-3-4-6-17(14)21-16(11)8-7-13(18(21)22)9-15-12(2)19-10-20-15/h3-6,10,13H,7-9H2,1-2H3,(H,19,20)
SMILES (canonical and isomeric)
CC1=C2CCC(C(=O)N2C3=CC=CC=C13)CC4=C(NC=N4)C

Synonyms

  • 8,9-Dihydro-10-methyl-7-((5-methyl-1H-imidazol-4-yl)methyl)pyrido(1,2-a)indol-6(7H)-one
  • 10-methyl-7-((5-methyl-1H-imidazol-4-yl)methyl)-8,9-dihydropyrido[1,2-a]indol-6(7H)-one
  • 8,9-dihydro-10-methyl-7-[(5-methyl-1H-imidazol-4-yl)methyl]pyrido[1,2-a]indol-6(7H)-one
  • 10-Methyl-7-((4-methyl-1H-imidazol-5-yl)methyl)-8,9-dihydropyrido[1,2-a]indol-6(7H)-one
  • 10-Methyl-7-[(4-methyl-1H-imidazol-5-yl)methyl]-8,9-dihydropyrido[1,2-a]indol-6(7H)-one
  • 8,9-Dihydro-10-dihydro-10-methyl-7-((5-methyl-4-imidazolyl)methyl)pyrido-(1-2a)-indol-6(7H)-one
  • PDSP1_000568
  • Pyrido[1,2-a]indol-6(7H)-one, 8,9-dihydro-10-methyl-7-[(5-methyl-1H-imidazol-4-yl)methyl]-, (S)-
  • PDSP2_000566
  • ( inverted exclamation markA)-Fabesetron
  • 8,9-dihydro-10-methyl-7-[(5-methyl-1H-imidazol-4-yl)methyl]pyrido[1,2-a]indol-6(7H)one
  • (+)8,9-dihydro-10-methyl-7-[(5-methyl-1H-imidazol-4-yl)methyl]pyrido[1,2-a]indol-6(7H)-on
  • (+)8,9-dihydro-10-methyl-7-[(5-methyl-1H-imidazol-4-yl)methyl]pyrido[1,2-a]indol-6(7H)-one
  • (+/-)8,9-dihydro-10-methyl-7-[(5-methyl-1H-imidazol-4-yl)methyl]pyrido[1,2-a]indol-6(7H)-one
  • 8,9-dihydro-10-methyl-7-[(5-methyl-1H-imidazol-4-yl)methyl] pyrido[1,2-a]indol-6(7H)-one
  • 8,9-dihydro-10-methyl-7-[(5-methyl-1H-imidazol-4-yl)methyl]pyrido[1,2-a]-indol-6(7H)-one
  • Pyrido(1,2-a)indol-6(7H)-one, 8,9-dihydro-10-methyl-7-((5-methyl-1H-imidazol-4-yl)methyl)-

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
293.37 g/molcalc.
Exact mass
293.1528 Dacalc.
LogP (octanol/water)
3.43calc.
Topological polar surface area
50.68 Ųcalc.
Hydrogen bond donors
1calc.
Hydrogen bond acceptors
2calc.
Rotatable bonds
2calc.
Heavy atoms
22calc.
Rings
4calc.
Aromatic rings
3calc.
Fraction sp3 carbons
0.33calc.
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, O=C1C(Cc2c[nH]cn2)CCc2cc3ccccc3n21

O=C1C(Cc2c[nH]cn2)CCc2cc3ccccc3n21

4 rings, 20 atoms.

5 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.

FK 1052 suppliers

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FK 1052 price

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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 FK 1052 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 FK 1052 is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about FK 1052, based on the data on this page

What is FK 1052?

FK 1052 is a chemical substance with the molecular formula C18H19N3O and a molar mass of 293.37 g/mol. Its CAS registry number is 129299-72-5. The IUPAC name is 10-methyl-7-[(5-methyl-1H-imidazol-4-yl)methyl]-8,9-dihydro-7H-pyrido[1,2-a]indol-6-one.

What is the CAS number of FK 1052?

The CAS registry number of FK 1052 is 129299-72-5. Other or deprecated CAS numbers: 129299-89-4.

What is the molecular formula and weight of FK 1052?

The molecular formula of FK 1052 is C18H19N3O and its molar mass is 293.37 g/mol.

What is FK 1052 used for?

Known uses and roles of FK 1052 include building blocks in research and laboratory and screening compounds in research and laboratory.

Is FK 1052 hazardous?

No GHS hazard classification for FK 1052 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 FK 1052?

FK 1052 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 FK 1052?

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What is the price of FK 1052?

Suppliers quote FK 1052 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

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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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