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Heterocyclic building blocks

Methabenzthiazuron

Also known as Tribunil, Metabenzthiazuron, 1-(2-Benzothiazolyl)-1,3-dimethylurea

CAS 18691-97-9Formula C10H11N3OSMolar mass 221.29 g/molEC 242-505-0
GHS signal word: Warning. Pictograms: Hazardous to the environment 2 suppliers listed
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Methabenzthiazuron chemical structure, C10H11N3OS, CAS 18691-97-9
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
18691-97-9
Formula
C10H11N3OS
Molar mass
221.29 g/mol
EC number
242-505-0
HS code
293420
Category
Heterocyclic building blocks

What is Methabenzthiazuron?

Plain description, key identifiers and synonyms

Methabenzthiazuron is a member of benzothiazoles.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
1-(1,3-benzothiazol-2-yl)-1,3-dimethylurea
CAS number
18691-97-9 CAS number cross-checked
EC number
242-505-0
Molecular formula
C10H11N3OS
UNII
82NPF43P0X
MDL number
MFCD00055498
InChIKey
RRVIAQKBTUQODI-UHFFFAOYSA-N
InChI
InChI=1S/C10H11N3OS/c1-11-9(14)13(2)10-12-7-5-3-4-6-8(7)15-10/h3-6H,1-2H3,(H,11,14)
SMILES (canonical and isomeric)
CNC(=O)N(C)C1=NC2=CC=CC=C2S1

Synonyms

  • Tribunil
  • Metabenzthiazuron
  • 1-(2-Benzothiazolyl)-1,3-dimethylurea
  • Bayer 5633
  • N-2-Benzothiazolyl-N,N'-dimethylurea
  • Bayer 74283
  • Tribunil (bayer)
  • 1-(1,3-benzothiazol-2-yl)-1,3-dimethyl-urea
  • N-(2-Benzothiazolyl)-N,N'-Dimethylurea
  • Methbenzthiazuron
  • Preparation 5633
  • 1-(1,3-benzothiazol-2-yl)-1,3-dimethylurea
  • 1,3-Dimethyl-3-(2-benzothiazolyl)urea
  • Urea, N-2-benzothiazolyl-N,N'-dimethyl-
  • BAY 74283
  • Urea, 1-(2-benzothiazolyl)-1,3-dimethyl-
  • N-Methyl-N'-methyl-N'-(2-benzothiazolyl)urea
  • 1,3-Dimethyl-3-(2-benzthiazolyl)-harnstoff
  • Methibenzuron
  • 1-Benzothiazol-2-yl-1,1'-dimethylurea
  • Methabenzthiazuro
  • Bayer 5653
  • 4-27-00-04842 (Beilstein Handbook Reference)
  • Bay 72483
  • Rrviaqkbtuqodi-uhfffaoysa-
Show all 32 synonyms
  • BAY 5653
  • (Benzothiazol-2-yl)-1,3-dimethylurea
  • Methabenzthiazuron 10 microg/mL in Acetonitrile
  • N-(1,3-Benzothiazol-2-yl)-N,N'-dimethylurea
  • Methabenzthiazuron 100 microg/mL in Acetonitrile
  • N-(1,3-Benzothiazol-2-yl)-N,N'-dimethylurea #
  • Methabenzthiazuron, 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
221.29 g/molcalc.
Exact mass
221.0623 Dacalc.
LogP (octanol/water)
2.07calc.
Topological polar surface area
45.23 Ųcalc.
Hydrogen bond donors
1calc.
Hydrogen bond acceptors
3calc.
Rotatable bonds
1calc.
Heavy atoms
15calc.
Rings
2calc.
Aromatic rings
2calc.
Fraction sp3 carbons
0.2calc.
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, c1ccc2scnc2c1

c1ccc2scnc2c1

2 rings, 9 atoms, the Benzothiazole ring system.

6,032 other chemicals share this scaffold

Safety and hazards

GHS classification summary, not a safety data sheet

GHS signal word
Warning
GHS09: Hazardous to the environment
Hazardous to the environment

Hazard statements

  • H400Very toxic to aquatic life.
  • H410Very toxic to aquatic life with long lasting effects.
Precautionary statements (3)
  • P273Avoid release to the environment.
  • 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

Methabenzthiazuron suppliers

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All 2 suppliers

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Where suppliers are based

2 suppliers in 2 countries

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Methabenzthiazuron 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

Use classes: Herbicides.

Regulatory status

Inventories, regulations and trade controls that list this substance

Europe

  • EU harmonised classification (CLP Annex VI)
    Index no: 613-137-00-1

HS code and trade data

Customs classification and reported world trade statistics

Global trade

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

HS 2934.20Indicative HS code

Compounds containing in the structure a benzothiazole ring-system (whether or not…

World exports in 2024
$662M
+4.3% vs 2023, imports $630M
2019 to 2024
Top exporters
  1. China62.9%
  2. Belgium14.6%
  3. United States5.4%
Top importers
  1. India * partner reported18.5%
  2. United States18.1%
  3. Brazil6.7%

* Partner reported figures, a lower bound.

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

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

Frequently asked questions

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

What is Methabenzthiazuron?

Methabenzthiazuron is a member of benzothiazoles.

What is the CAS number of Methabenzthiazuron?

The CAS registry number of Methabenzthiazuron is 18691-97-9.

What is the molecular formula and weight of Methabenzthiazuron?

The molecular formula of Methabenzthiazuron is C10H11N3OS and its molar mass is 221.29 g/mol.

What is Methabenzthiazuron used for?

Use classes: Herbicides.

Is Methabenzthiazuron hazardous?

Methabenzthiazuron carries the GHS signal word "Warning". Main hazards: 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 Methabenzthiazuron?

Methabenzthiazuron is usually classified under HS code 293420 (Compounds containing in the structure a benzothiazole ring-system (whether or not…). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Methabenzthiazuron?

CompoundList lists 2 suppliers of Methabenzthiazuron in Czech Republic and India. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

Where can I buy Methabenzthiazuron in India?

1 supplier in India list Methabenzthiazuron on CompoundList. Filter the suppliers list by country and send a request to compare prices, grades and delivery times.

What is the price of Methabenzthiazuron?

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Guides for buyers

Practical guides that help when you source, ship or handle Methabenzthiazuron

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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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