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Heterocyclic building blocks

4-(4-Chlorophenyl)-2-hydroxythiazole

Also known as 4-(4-Chlorophenyl)thiazol-2-ol, 4-(4-chlorophenyl)-1,3-thiazol-2-ol, 4-(4-chlorophenyl)-3H-1,3-thiazol-2-one

CAS 2103-98-2Formula C9H6ClNOSMolar mass 211.67 g/molEC 624-554-3
GHS signal word: Danger. Pictograms: Corrosive, Acute toxicity (severe), Harmful or irritant 3 suppliers listed
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4-(4-Chlorophenyl)-2-hydroxythiazole chemical structure, C9H6ClNOS, CAS 2103-98-2
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
2103-98-2
Formula
C9H6ClNOS
Molar mass
211.67 g/mol
EC number
624-554-3
HS code
293410
Category
Heterocyclic building blocks

What is 4-(4-Chlorophenyl)-2-hydroxythiazole?

Plain description, key identifiers and synonyms

4-(4-Chlorophenyl)-2-hydroxythiazole is a chemical substance with the molecular formula C9H6ClNOS and a molar mass of 211.67 g/mol. Its CAS registry number is 2103-98-2. The IUPAC name is 4-(4-chlorophenyl)-3H-1,3-thiazol-2-one.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
4-(4-chlorophenyl)-3H-1,3-thiazol-2-one
CAS number
2103-98-2 CAS number cross-checked
EC number
624-554-3
Molecular formula
C9H6ClNOS
MDL number
MFCD02089965, MFCD04619529
InChIKey
XODFWCAVOQHJFC-UHFFFAOYSA-N
InChI
InChI=1S/C9H6ClNOS/c10-7-3-1-6(2-4-7)8-5-13-9(12)11-8/h1-5H,(H,11,12)
SMILES (canonical and isomeric)
C1=CC(=CC=C1C2=CSC(=O)N2)Cl

Synonyms

  • 4-(4-Chlorophenyl)thiazol-2-ol
  • 4-(4-chlorophenyl)-1,3-thiazol-2-ol
  • 4-(4-chlorophenyl)-3H-1,3-thiazol-2-one
  • 4-(4-Chlorophenyl)-1,3-thiazol-2(3H)-one
  • 2(3H)-Thiazolone, 4-(4-chlorophenyl)-
  • 4-(4-chlorophenyl)-3H-thiazol-2-one
  • 4-(4-chlorophenyl)-2-oxo-1,3-thiazole
  • 4-(4-Chlorophenyl)-2-hydroxythiazole, 97%
  • 4-(4-chlorophenyl)-2,3-dihydro-2-oxothiazole

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
211.67 g/molcalc.
Exact mass
210.9859 Dacalc.
LogP (octanol/water)
2.76calc.
Topological polar surface area
32.86 Ųcalc.
Hydrogen bond donors
1calc.
Hydrogen bond acceptors
2calc.
Rotatable bonds
1calc.
Heavy atoms
13calc.
Rings
2calc.
Aromatic rings
2calc.
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=c1[nH]c(-c2ccccc2)cs1

O=c1[nH]c(-c2ccccc2)cs1

2 rings, 12 atoms, the 2-Hydroxy-4-phenylthiazole ring system.

72 other chemicals share this scaffold

Safety and hazards

GHS classification summary, not a safety data sheet

GHS signal word
Danger
GHS05: Corrosive
Corrosive
GHS06: Acute toxicity (severe)
Acute toxicity (severe)
GHS07: Harmful or irritant
Harmful or irritant

Hazard statements

  • H301Toxic if swallowed.
  • H315Causes skin irritation.
  • H318Causes serious eye damage.
  • H335May cause respiratory irritation.
Precautionary statements (19)
  • P261Avoid breathing dust, fume, gas, mist, vapours or spray.
  • P264Wash skin thoroughly after handling.
  • P264 + P265Wash skin thoroughly after handling. Do not touch eyes.
  • P270Do not eat, drink or smoke when using this product.
  • P271Use only outdoors or in a well-ventilated area.
  • P280Wear protective gloves, protective clothing, eye protection and face protection.
  • P301 + P316If swallowed: Get emergency medical help immediately.
  • P302 + P352If on skin: Wash with plenty of water.
  • P304 + P340If inhaled: Remove person to fresh air and keep comfortable for breathing.
  • P305 + P354 + P338If in eyes: Immediately rinse with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
  • P317Get medical help.
  • P319Get medical help if you feel unwell.
  • P321Specific treatment (see supplemental first aid instructions on the label).
  • P330Rinse mouth.
  • P332 + P317If skin irritation occurs: Get medical help.
  • P362 + P364Take off contaminated clothing. And wash it before reuse.
  • P403 + P233Store in a well-ventilated place. Keep container tightly closed.
  • P405Store locked up.
  • P501Dispose of contents and container in accordance with local regulations.

GHS classification summary, not a safety data sheet (SDS). Classifications can differ by supplier, grade and concentration. Always check the supplier's SDS.

Full safety data and first aid

4-(4-Chlorophenyl)-2-hydroxythiazole suppliers

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All 3 suppliers

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Where suppliers are based

3 suppliers in 3 countries

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4-(4-Chlorophenyl)-2-hydroxythiazole 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 4-(4-Chlorophenyl)-2-hydroxythiazole 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 4-(4-Chlorophenyl)-2-hydroxythiazole is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about 4-(4-Chlorophenyl)-2-hydroxythiazole, based on the data on this page

What is 4-(4-Chlorophenyl)-2-hydroxythiazole?

4-(4-Chlorophenyl)-2-hydroxythiazole is a chemical substance with the molecular formula C9H6ClNOS and a molar mass of 211.67 g/mol. Its CAS registry number is 2103-98-2. The IUPAC name is 4-(4-chlorophenyl)-3H-1,3-thiazol-2-one.

What is the CAS number of 4-(4-Chlorophenyl)-2-hydroxythiazole?

The CAS registry number of 4-(4-Chlorophenyl)-2-hydroxythiazole is 2103-98-2.

What is the molecular formula and weight of 4-(4-Chlorophenyl)-2-hydroxythiazole?

The molecular formula of 4-(4-Chlorophenyl)-2-hydroxythiazole is C9H6ClNOS and its molar mass is 211.67 g/mol.

What is 4-(4-Chlorophenyl)-2-hydroxythiazole used for?

Known uses and roles of 4-(4-Chlorophenyl)-2-hydroxythiazole include building blocks in research and laboratory and screening compounds in research and laboratory.

Is 4-(4-Chlorophenyl)-2-hydroxythiazole hazardous?

4-(4-Chlorophenyl)-2-hydroxythiazole carries the GHS signal word "Danger". Main hazards: toxic if swallowed, causes skin irritation, causes serious eye damage. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of 4-(4-Chlorophenyl)-2-hydroxythiazole?

4-(4-Chlorophenyl)-2-hydroxythiazole 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 4-(4-Chlorophenyl)-2-hydroxythiazole?

CompoundList lists 3 suppliers of 4-(4-Chlorophenyl)-2-hydroxythiazole in China, Germany and United States. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

What is the price of 4-(4-Chlorophenyl)-2-hydroxythiazole?

Suppliers quote 4-(4-Chlorophenyl)-2-hydroxythiazole 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 4-(4-Chlorophenyl)-2-hydroxythiazole

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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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