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Screening compounds

Pitstop 2

Also known as Clathrin-IN-1, (NZ)-N-[(5Z)-5-[(4-bromophenyl)methylidene]-4-oxo-1,3-thiazolidin-2-ylidene]naphthalene-1-sulfonamide

CAS 1419093-54-1Formula C20H13BrN2O3S2Molar mass 473.37 g/mol
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Pitstop 2 chemical structure, C20H13BrN2O3S2, CAS 1419093-54-1
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
1419093-54-1
Formula
C20H13BrN2O3S2
Molar mass
473.37 g/mol
HS code
293410
Category
Screening compounds

What is Pitstop 2?

Plain description, key identifiers and synonyms

Pitstop 2 is a chemical substance with the molecular formula C20H13BrN2O3S2 and a molar mass of 473.37 g/mol. Its CAS registry number is 1419093-54-1. The IUPAC name is (NZ)-N-[(5Z)-5-[(4-bromophenyl)methylidene]-4-oxo-1,3-thiazolidin-2-ylidene]naphthalene-1-sulfonamide.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
(NZ)-N-[(5Z)-5-[(4-bromophenyl)methylidene]-4-oxo-1,3-thiazolidin-2-ylidene]naphthalene-1-sulfonamide
CAS number
1419093-54-1Other or deprecated CAS: 1332879-52-3, 1419320-73-2
Molecular formula
C20H13BrN2O3S2
InChI
InChI=1S/C20H13BrN2O3S2/c21-15-10-8-13(9-11-15)12-17-19(24)22-20(27-17)23-28(25,26)18-7-3-5-14-4-1-2-6-16(14)18/h1-12H,(H,22,23,24)/b17-12-
Canonical SMILES
O=C1NC(=NS(=O)(=O)c2cccc3ccccc23)SC1=Cc1ccc(Br)cc1
Isomeric SMILES
C1=CC=C2C(=C1)C=CC=C2S(=O)(=O)/N=C\3/NC(=O)/C(=C/C4=CC=C(C=C4)Br)/S3

Synonyms

  • Clathrin-IN-1
  • (NZ)-N-[(5Z)-5-[(4-bromophenyl)methylidene]-4-oxo-1,3-thiazolidin-2-ylidene]naphthalene-1-sulfonamide

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
473.37 g/molcalc.
Exact mass
471.9551 Dacalc.
LogP (octanol/water)
4.55calc.
Topological polar surface area
75.6 Ųcalc.
Hydrogen bond donors
1calc.
Hydrogen bond acceptors
4calc.
Rotatable bonds
3calc.
Heavy atoms
28calc.
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=C1NC(=NS(=O)(=O)c2cccc3ccccc23)SC1=Cc1ccccc1

O=C1NC(=NS(=O)(=O)c2cccc3ccccc23)SC1=Cc1ccccc1

4 rings, 27 atoms.

6 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.

Pitstop 2 suppliers

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Pitstop 2 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 Pitstop 2 is traded under.

HS 2934.10Indicative HS code

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

World exports in 2024
$3.88B
−16.1% vs 2023, imports $3.12B
2019 to 2024
Top exporters
  1. Switzerland * partner reported36.4%
  2. Ireland28.8%
  3. China10.0%
Top importers
  1. Canada33.4%
  2. United States14.4%
  3. Ireland13.1%

* Partner reported figures, a lower bound.

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

The HS code shown for Pitstop 2 is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about Pitstop 2, based on the data on this page

What is Pitstop 2?

Pitstop 2 is a chemical substance with the molecular formula C20H13BrN2O3S2 and a molar mass of 473.37 g/mol. Its CAS registry number is 1419093-54-1. The IUPAC name is (NZ)-N-[(5Z)-5-[(4-bromophenyl)methylidene]-4-oxo-1,3-thiazolidin-2-ylidene]naphthalene-1-sulfonamide.

What is the CAS number of Pitstop 2?

The CAS registry number of Pitstop 2 is 1419093-54-1. Other or deprecated CAS numbers: 1332879-52-3, 1419320-73-2.

What is the molecular formula and weight of Pitstop 2?

The molecular formula of Pitstop 2 is C20H13BrN2O3S2 and its molar mass is 473.37 g/mol.

What is Pitstop 2 used for?

Known uses and roles of Pitstop 2 include building blocks in research and laboratory and screening compounds in research and laboratory.

Is Pitstop 2 hazardous?

No GHS hazard classification for Pitstop 2 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 Pitstop 2?

Pitstop 2 is usually classified under HS code 293410 (Compounds containing an unfused thiazole ring (whether or not hydrogenated) in the…). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Pitstop 2?

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What is the price of Pitstop 2?

Suppliers quote Pitstop 2 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 Pitstop 2

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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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