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Screening compounds

LAS 372

Also known as 4-butyl-1,2-diphenylpyrazolidine-3,5-dione, piperidine, 4-Butyl-1,2-diphenylpyrazolidine-3,5-dione--piperidine (1/1)

CAS 34207-03-9Formula C24H31N3O2Molar mass 393.53 g/mol
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LAS 372 chemical structure, C24H31N3O2, CAS 34207-03-9
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
34207-03-9
Formula
C24H31N3O2
Molar mass
393.53 g/mol
HS code
293319
Category
Screening compounds

What is LAS 372?

Plain description, key identifiers and synonyms

LAS 372 is a chemical substance with the molecular formula C24H31N3O2 and a molar mass of 393.53 g/mol. Its CAS registry number is 34207-03-9. The IUPAC name is 4-butyl-1,2-diphenylpyrazolidine-3,5-dione, piperidine.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
4-butyl-1,2-diphenylpyrazolidine-3,5-dione, piperidine
CAS number
34207-03-9 CAS number cross-checked
Molecular formula
C24H31N3O2
InChIKey
FPLGDRLYIZPJSH-UHFFFAOYSA-N
InChI
InChI=1S/C19H20N2O2.C5H11N/c1-2-3-14-17-18(22)20(15-10-6-4-7-11-15)21(19(17)23)16-12-8-5-9-13-16;1-2-4-6-5-3-1/h4-13,17H,2-3,14H2,1H3;6H,1-5H2
SMILES (canonical and isomeric)
CCCCC1C(=O)N(N(C1=O)C2=CC=CC=C2)C3=CC=CC=C3.C1CCNCC1

Synonyms

  • 4-butyl-1,2-diphenylpyrazolidine-3,5-dione, piperidine
  • 4-Butyl-1,2-diphenylpyrazolidine-3,5-dione--piperidine (1/1)

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
393.53 g/molcalc.
Exact mass
393.2416 Dacalc.
LogP (octanol/water)
4.55calc.
Topological polar surface area
52.65 Ųcalc.
Hydrogen bond donors
1calc.
Hydrogen bond acceptors
3calc.
Rotatable bonds
5calc.
Heavy atoms
29calc.
Rings
4calc.
Aromatic rings
2calc.
Fraction sp3 carbons
0.42calc.
Formal charge
0calc.
Stereocentres
0calc.
Components
2calc.
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=C1CC(=O)N(c2ccccc2)N1c1ccccc1

O=C1CC(=O)N(c2ccccc2)N1c1ccccc1

3 rings, 19 atoms, the 1,2-Diphenyl-3,5-pyrazolidinedione ring system.

92 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.

LAS 372 suppliers

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LAS 372 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 LAS 372 is traded under.

HS 2933.19Indicative HS code

Compounds containing an unfused pyrazole ring (whether or not hydrogenated) in the…

World exports in 2024
$3.44B
−22.6% vs 2023, imports $6.66B
2019 to 2024
Top exporters
  1. China21.6%
  2. Switzerland * partner reported20.5%
  3. Germany19.0%
Top importers
  1. Slovenia38.4%
  2. Portugal14.1%
  3. Brazil13.0%

* Partner reported figures, a lower bound.

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

The HS code shown for LAS 372 is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about LAS 372, based on the data on this page

What is LAS 372?

LAS 372 is a chemical substance with the molecular formula C24H31N3O2 and a molar mass of 393.53 g/mol. Its CAS registry number is 34207-03-9. The IUPAC name is 4-butyl-1,2-diphenylpyrazolidine-3,5-dione, piperidine.

What is the CAS number of LAS 372?

The CAS registry number of LAS 372 is 34207-03-9.

What is the molecular formula and weight of LAS 372?

The molecular formula of LAS 372 is C24H31N3O2 and its molar mass is 393.53 g/mol.

What is LAS 372 used for?

Known uses and roles of LAS 372 include building blocks in research and laboratory and screening compounds in research and laboratory.

Is LAS 372 hazardous?

No GHS hazard classification for LAS 372 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 LAS 372?

LAS 372 is usually classified under HS code 293319 (Compounds containing an unfused pyrazole ring (whether or not hydrogenated) in the…). This is indicative, confirm it with your customs broker before shipping.

Where can I buy LAS 372?

Post a free request on CompoundList and suppliers of LAS 372 will send you quotes. Your contact details stay private until you accept a quote.

What is the price of LAS 372?

Suppliers quote LAS 372 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 LAS 372

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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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