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Heterocyclic building blocks

BW 540C

Also known as N-methyl-2-[3-(trifluoromethyl)phenyl]-3,4-dihydropyrazol-5-amine, 4,5-Dihydro-N-methyl-1-[3-(trifluoromethyl)phenyl]-1H-pyrazol-3-amine, n-methyl-1-[3-(trifluoromethyl)phenyl]-4,5-dihydro-1h-pyrazol-3-amine

CAS 83908-32-1Formula C11H12F3N3Molar mass 243.23 g/mol
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BW 540C chemical structure, C11H12F3N3, CAS 83908-32-1
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
83908-32-1
Formula
C11H12F3N3
Molar mass
243.23 g/mol
HS code
293319
Category
Heterocyclic building blocks

What is BW 540C?

Plain description, key identifiers and synonyms

BW 540C is a chemical substance with the molecular formula C11H12F3N3 and a molar mass of 243.23 g/mol. Its CAS registry number is 83908-32-1. The IUPAC name is N-methyl-1-[3-(trifluoromethyl)phenyl]pyrazolidin-3-imine.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
N-methyl-1-[3-(trifluoromethyl)phenyl]pyrazolidin-3-imine
CAS number
83908-32-1 CAS number cross-checked
Molecular formula
C11H12F3N3
InChIKey
MWRJSSGQTGTSKH-UHFFFAOYSA-N
InChI
InChI=1S/C11H12F3N3/c1-15-10-5-6-17(16-10)9-4-2-3-8(7-9)11(12,13)14/h2-4,7H,5-6H2,1H3,(H,15,16)
SMILES (canonical and isomeric)
CN=C1CCN(N1)C2=CC=CC(=C2)C(F)(F)F

Synonyms

  • N-methyl-2-[3-(trifluoromethyl)phenyl]-3,4-dihydropyrazol-5-amine
  • 4,5-Dihydro-N-methyl-1-[3-(trifluoromethyl)phenyl]-1H-pyrazol-3-amine
  • n-methyl-1-[3-(trifluoromethyl)phenyl]-4,5-dihydro-1h-pyrazol-3-amine
  • 1H-Pyrazol-3-amine, 4,5-dihydro-N-methyl-1-(3-(trifluoromethyl)phenyl)-
  • 3-methylamino-1-(3-trifluoromethylphenyl)-2-pyrazoline

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
243.23 g/molcalc.
Exact mass
243.0983 Dacalc.
LogP (octanol/water)
2.45calc.
Topological polar surface area
27.63 Ųcalc.
Hydrogen bond donors
1calc.
Hydrogen bond acceptors
2calc.
Rotatable bonds
1calc.
Heavy atoms
17calc.
Rings
2calc.
Aromatic rings
1calc.
Fraction sp3 carbons
0.36calc.
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, N=C1CCN(c2ccccc2)N1

N=C1CCN(c2ccccc2)N1

2 rings, 12 atoms, the 3-Amino-1-phenylpyrazole ring system.

3 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.

BW 540C suppliers

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BW 540C 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 BW 540C 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 BW 540C is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about BW 540C, based on the data on this page

What is BW 540C?

BW 540C is a chemical substance with the molecular formula C11H12F3N3 and a molar mass of 243.23 g/mol. Its CAS registry number is 83908-32-1. The IUPAC name is N-methyl-1-[3-(trifluoromethyl)phenyl]pyrazolidin-3-imine.

What is the CAS number of BW 540C?

The CAS registry number of BW 540C is 83908-32-1.

What is the molecular formula and weight of BW 540C?

The molecular formula of BW 540C is C11H12F3N3 and its molar mass is 243.23 g/mol.

What is BW 540C used for?

Known uses and roles of BW 540C include building blocks in research and laboratory and screening compounds in research and laboratory.

Is BW 540C hazardous?

No GHS hazard classification for BW 540C 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 BW 540C?

BW 540C 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 BW 540C?

Post a free request on CompoundList and suppliers of BW 540C will send you quotes. Your contact details stay private until you accept a quote.

What is the price of BW 540C?

Suppliers quote BW 540C 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 BW 540C

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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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