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Heterocyclic building blocks

Thiazafluron

Also known as Erbotan, GS 29696, 1,3-Dimethyl-1-(5-trifluoromethyl-1,3,4-thiadiazol-2-yl)urea

CAS 25366-23-8Formula C6H7F3N4OSMolar mass 240.21 g/molEC 246-901-4
GHS signal word: Warning. Pictograms: Harmful or irritant, Hazardous to the environment 1 supplier listed
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Thiazafluron chemical structure, C6H7F3N4OS, CAS 25366-23-8
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
25366-23-8
Formula
C6H7F3N4OS
Molar mass
240.21 g/mol
EC number
246-901-4
HS code
293499
Category
Heterocyclic building blocks

What is Thiazafluron?

Plain description, key identifiers and synonyms

Thiazafluron is an organonitrogen heterocyclic compound and an organosulfur heterocyclic compound.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
1,3-dimethyl-1-[5-(trifluoromethyl)-1,3,4-thiadiazol-2-yl]urea
CAS number
25366-23-8 CAS number cross-checked
EC number
246-901-4
Molecular formula
C6H7F3N4OS
UNII
WX8ID0K28Q
MDL number
MFCD00078722
InChIKey
BBJPZPLAZVZTGR-UHFFFAOYSA-N
InChI
InChI=1S/C6H7F3N4OS/c1-10-4(14)13(2)5-12-11-3(15-5)6(7,8)9/h1-2H3,(H,10,14)
SMILES (canonical and isomeric)
CNC(=O)N(C)C1=NN=C(S1)C(F)(F)F

Synonyms

  • Erbotan
  • GS 29696
  • 1,3-Dimethyl-1-(5-trifluoromethyl-1,3,4-thiadiazol-2-yl)urea
  • thiazaflurone
  • N,N-dimethyl-N'-(5-trifluromethyl-1,3,4-thiadiazol-2-yl)urea
  • Thiazfluron
  • Dmttu
  • 1,3-dimethyl-1-[5-(trifluoromethyl)-1,3,4-thiadiazol-2-yl]urea
  • 2-(N,N'-Dimethylureido)-5-trifluoromethyl-1,3,4-thiadiazole
  • N,N'-Dimethyl-N-(5-trifluoromethyl-1,3,4-thiadiazol-2-yl)urea
  • 1,3,4-Thiadiazole, 2-(N,N'-dimethylureido)-5-trifluoromethyl-
  • Urea, N,N'-dimethyl-N-[5-(trifluoromethyl)-1,3,4-thiadiazol-2-yl]-
  • n,n'-dimethyl-n-[5-(trifluoromethyl)-1,3,4-thiadiazol-2-yl]urea
  • N,N'-Dimethyl-N-(5-(trifluoromethyl)-1,3,4-thiadiazol-2-yl)urea
  • 1,3-Dimethyl-3-(5-trifluoromethyl-1,3,4-thiadiazol-2-yl)urea
  • Urea, 1,3-dimethyl-1-[5-(trifluoromethyl)-1,3,4-thiadiazol-2-yl]-
  • Thiazafluron, PESTANAL(R), analytical standard

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
240.21 g/molcalc.
Exact mass
240.0293 Dacalc.
LogP (octanol/water)
1.33calc.
Topological polar surface area
58.12 Ųcalc.
Hydrogen bond donors
1calc.
Hydrogen bond acceptors
4calc.
Rotatable bonds
1calc.
Heavy atoms
15calc.
Rings
1calc.
Aromatic rings
1calc.
Fraction sp3 carbons
0.5calc.
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, c1nncs1

c1nncs1

1 ring, 5 atoms, the 1,3,4-Thiadiazole ring system.

1,661 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
GHS09: Hazardous to the environment
Hazardous to the environment

Hazard statements

  • H302Harmful if swallowed.
  • H400Very toxic to aquatic life.
  • H410Very toxic to aquatic life with long lasting effects.
Precautionary statements (7)
  • P264Wash skin thoroughly after handling.
  • P270Do not eat, drink or smoke when using this product.
  • P273Avoid release to the environment.
  • P301 + P317If swallowed: Get medical help.
  • P330Rinse mouth.
  • P391Collect spillage.
  • 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

Thiazafluron suppliers

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  • Amfluoro
    China, HangzhouUnclaimed profile
    ThiazafluronGrade, purity and minimum order on request
    Price on request
    View

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Where suppliers are based

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Thiazafluron 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

Europe

  • EU harmonised classification (CLP Annex VI)
    Index no: 616-021-00-9

HS code and trade data

Customs classification and reported world trade statistics

Global trade

World import and export statistics for the HS code Thiazafluron is traded under.

HS 2934.99Indicative HS code

Nucleic acids and their salts, other heterocyclic compounds, not elsewhere classified in heading 2934

World exports in 2024
$26.7B
+15.0% vs 2023, imports $26.3B
2019 to 2024
Top exporters
  1. Ireland26.3%
  2. China15.7%
  3. Singapore10.3%
Top importers
  1. United States24.5%
  2. Germany23.1%
  3. Japan4.5%
Reported customs values in USD, not prices.Full trade data

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

Frequently asked questions

Quick answers about Thiazafluron, based on the data on this page

What is Thiazafluron?

Thiazafluron is an organonitrogen heterocyclic compound and an organosulfur heterocyclic compound.

What is the CAS number of Thiazafluron?

The CAS registry number of Thiazafluron is 25366-23-8.

What is the molecular formula and weight of Thiazafluron?

The molecular formula of Thiazafluron is C6H7F3N4OS and its molar mass is 240.21 g/mol.

What is Thiazafluron used for?

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

Is Thiazafluron hazardous?

Thiazafluron carries the GHS signal word "Warning". Main hazards: harmful if swallowed, very toxic to aquatic life, very toxic to aquatic life with long lasting effects. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of Thiazafluron?

Thiazafluron is usually classified under HS code 293499 (Nucleic acids and their salts, whether or not chemically defined, other heterocyclic…). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Thiazafluron?

CompoundList lists 1 supplier of Thiazafluron 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 Thiazafluron?

Suppliers quote Thiazafluron 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

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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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