CompoundList
Sign in
Heterocyclic building blocks

2,4-Dichlorothiazole

Also known as 2,4-dichloro-1,3-thiazole, 2,4-Dichloro-thiazole, C3HCl2NS

CAS 4175-76-2Formula C3HCl2NSMolar mass 154.02 g/molEC 679-703-5
GHS signal word: Warning. Pictograms: Harmful or irritant 3 suppliers listed
Get quotes Compare 3 suppliers
2,4-Dichlorothiazole chemical structure, C3HCl2NS, CAS 4175-76-2
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
4175-76-2
Formula
C3HCl2NS
Molar mass
154.02 g/mol
EC number
679-703-5
HS code
293410
Category
Heterocyclic building blocks

What is 2,4-Dichlorothiazole?

Plain description, key identifiers and synonyms

2,4-Dichlorothiazole is a chemical substance with the molecular formula C3HCl2NS and a molar mass of 154.02 g/mol. Its CAS registry number is 4175-76-2. The IUPAC name is 2,4-dichloro-1,3-thiazole.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
2,4-dichloro-1,3-thiazole
CAS number
4175-76-2 CAS number cross-checked
EC number
679-703-5
Molecular formula
C3HCl2NS
UNII
NE9ZB6F5GQ
MDL number
MFCD08691358
InChIKey
ICETWLGKJXCIDX-UHFFFAOYSA-N
InChI
InChI=1S/C3HCl2NS/c4-2-1-7-3(5)6-2/h1H
SMILES (canonical and isomeric)
C1=C(N=C(S1)Cl)Cl

Synonyms

  • 2,4-dichloro-1,3-thiazole
  • 2,4-Dichloro-thiazole
  • C3HCl2NS
  • dichlorothiazole
  • Thiazole, 2,4-dichloro-

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
154.02 g/molcalc.
Exact mass
152.9207 Dacalc.
LogP (octanol/water)
2.45calc.
Topological polar surface area
12.89 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
2calc.
Rotatable bonds
0calc.
Heavy atoms
7calc.
Rings
1calc.
Aromatic rings
1calc.
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, c1cscn1

c1cscn1

1 ring, 5 atoms, the Thiazole ring system.

16,016 other chemicals share this scaffold

Safety and hazards

GHS classification summary, not a safety data sheet

GHS signal word
Warning
GHS07: Harmful or irritant
Harmful or irritant

Hazard statements

  • H315Causes skin irritation.
  • H319Causes serious eye irritation.
  • H335May cause respiratory irritation.
Precautionary statements (16)
  • P261Avoid breathing dust, fume, gas, mist, vapours or spray.
  • P264Wash skin thoroughly after handling.
  • P264 + P265Wash skin thoroughly after handling. Do not touch eyes.
  • P271Use only outdoors or in a well-ventilated area.
  • P280Wear protective gloves, protective clothing, eye protection and face protection.
  • P302 + P352If on skin: Wash with plenty of water.
  • P304 + P340If inhaled: Remove person to fresh air and keep comfortable for breathing.
  • P305 + P351 + P338If in eyes: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
  • P319Get medical help if you feel unwell.
  • P321Specific treatment (see supplemental first aid instructions on the label).
  • P332 + P317If skin irritation occurs: Get medical help.
  • P337 + P317If eye irritation persists: 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

2,4-Dichlorothiazole suppliers

Sponsored listings first, then the documented ranking: membership, verification, replies, completeness, freshness and ratings

All 3 suppliers

Suppliers marked Unclaimed profile have not claimed their profile yet. They are not verified by CompoundList, their offers are price on request and details may have changed, so please confirm them with the supplier. Company representatives can claim a profile with a business email on the company's own website domain. Our team verifies each claim and sends the result by email.

Where suppliers are based

3 suppliers in 1 country

Send one request to many suppliers

Choose up to 10 suppliers or let us match your request. Compare quotes side by side, free.

Choose suppliersPost a request

2,4-Dichlorothiazole price

Indicative price range per kg from live supplier offers

No published prices right now

Suppliers quote this chemical on request. Send one free request and compare quotes side by side.

Get latest price

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

Frequently asked questions

Quick answers about 2,4-Dichlorothiazole, based on the data on this page

What is 2,4-Dichlorothiazole?

2,4-Dichlorothiazole is a chemical substance with the molecular formula C3HCl2NS and a molar mass of 154.02 g/mol. Its CAS registry number is 4175-76-2. The IUPAC name is 2,4-dichloro-1,3-thiazole.

What is the CAS number of 2,4-Dichlorothiazole?

The CAS registry number of 2,4-Dichlorothiazole is 4175-76-2.

What is the molecular formula and weight of 2,4-Dichlorothiazole?

The molecular formula of 2,4-Dichlorothiazole is C3HCl2NS and its molar mass is 154.02 g/mol.

What is 2,4-Dichlorothiazole used for?

Known uses and roles of 2,4-Dichlorothiazole include building blocks in research and laboratory and screening compounds in research and laboratory.

Is 2,4-Dichlorothiazole hazardous?

2,4-Dichlorothiazole carries the GHS signal word "Warning". Main hazards: causes skin irritation, causes serious eye irritation, may cause respiratory irritation. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of 2,4-Dichlorothiazole?

2,4-Dichlorothiazole 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 2,4-Dichlorothiazole?

CompoundList lists 3 suppliers of 2,4-Dichlorothiazole in China. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

What is the price of 2,4-Dichlorothiazole?

Suppliers quote 2,4-Dichlorothiazole 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 2,4-Dichlorothiazole

Get quotes for 2,4-Dichlorothiazole

Post one free request with your grade, quantity and destination. Matching suppliers send quotes you can compare side by side.
Post a request Sell 2,4-Dichlorothiazole
Data last updated 7 Oct 2026. Details may have changed, please confirm them with the supplier. Report an error on this page
Embed this structure on your websiteShow code

Paste this code into your page to show the 2D structure of 2,4-Dichlorothiazole with a 3D view, its CAS number where known and a link back to this page. Free to use with the link kept.

<iframe src="https://www.compoundlist.com/embed/structure/2-4-dichlorothiazole-4175-76-2" title="2,4-Dichlorothiazole structure on CompoundList" width="360" height="420" style="border:1px solid #E7E2DA;border-radius:12px;max-width:100%" loading="lazy" referrerpolicy="strict-origin-when-cross-origin"></iframe>
Preview the embed

Explore more in Heterocyclic building blocks or HS code 293410

3 suppliers
Free quotes, contact stays private
Get quotes