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Heterocyclic building blocks

Bemethyl

Also known as Bemitil, Bemetil, Bemythyl

CAS 63513-71-3Formula C9H11BrN2SMolar mass 259.17 g/mol
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Bemethyl chemical structure, C9H11BrN2S, CAS 63513-71-3
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
63513-71-3
Formula
C9H11BrN2S
Molar mass
259.17 g/mol
HS code
293399
Category
Heterocyclic building blocks

What is Bemethyl?

Plain description, key identifiers and synonyms

Bemethyl is a chemical substance with the molecular formula C9H11BrN2S and a molar mass of 259.17 g/mol. Its CAS registry number is 63513-71-3. The IUPAC name is 2-ethylsulfanyl-1H-benzimidazole, hydrobromide.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
2-ethylsulfanyl-1H-benzimidazole, hydrobromide
CAS number
63513-71-3 CAS number cross-checkedOther or deprecated CAS: 109628-14-0
Molecular formula
C9H11BrN2S
UNII
TG4SAK8A5M
InChIKey
BKUKXOMYGPYFJJ-UHFFFAOYSA-N
InChI
InChI=1S/C9H10N2S.BrH/c1-2-12-9-10-7-5-3-4-6-8(7)11-9;/h3-6H,2H2,1H3,(H,10,11);1H
SMILES (canonical and isomeric)
CCSC1=NC2=CC=CC=C2N1.Br

Synonyms

  • Bemitil
  • Bemetil
  • Bemythyl
  • bemithyl
  • 2-(Ethylsulfanyl)-1H-1,3-benzodiazole hydrobromide
  • Antihot
  • Bemiton
  • Betamyl
  • Metaprot
  • 2-ethylsulfanyl-1H-benzimidazole, hydrobromide
  • 1H-Benzimidazole, 2-(ethylthio)-, monohydrobromide
  • 2-Ethylsulfanyl-1H-benzimidazole hydrobromide
  • 2-(Ethylthio)benzimidazole hydrobromide
  • 2-(ethylthio)-1H-benzo[d]imidazole hydrobromide
  • 2-ethylthiobenzimidazole hydrobromide
  • 2-(ethylthio)-1H-benzimidazole hydrobromide
  • 2-(Ethylsulfanyl)-1H-1,3-benzodiazolehydrobromide
  • 2-(Ethylsulfanyl)-1H-1,3-benzimidazole--hydrogen bromide (1/1)

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
259.17 g/molcalc.
Exact mass
257.9826 Dacalc.
LogP (octanol/water)
3.25calc.
Topological polar surface area
28.68 Ųcalc.
Hydrogen bond donors
1calc.
Hydrogen bond acceptors
2calc.
Rotatable bonds
2calc.
Heavy atoms
13calc.
Rings
2calc.
Aromatic rings
2calc.
Fraction sp3 carbons
0.22calc.
Formal charge
0calc.
Stereocentres
0calc.
Components
2calc.
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, c1ccc2[nH]cnc2c1

c1ccc2[nH]cnc2c1

2 rings, 9 atoms, the Benzimidazole ring system.

8,995 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.

Bemethyl suppliers

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

All 3 suppliers

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Where suppliers are based

3 suppliers in 3 countries

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Bemethyl 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.

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Uses and applications

What the substance is used for, by industry and function

Pharmacological actions

  • Adjuvants, Immunologic
  • Anticonvulsants
  • Antioxidants

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 Bemethyl is traded under.

HS 2933.99Indicative HS code

Heterocyclic compounds with nitrogen hetero-atom(s) only, other

World exports in 2024
$12.1B
−31.0% vs 2023, imports $28.8B
2019 to 2024
Top exporters
  1. China30.5%
  2. India * partner reported16.3%
  3. Ireland9.0%
Top importers
  1. Slovenia31.7%
  2. Italy24.2%
  3. United States5.0%

* Partner reported figures, a lower bound.

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

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

Frequently asked questions

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

What is Bemethyl?

Bemethyl is a chemical substance with the molecular formula C9H11BrN2S and a molar mass of 259.17 g/mol. Its CAS registry number is 63513-71-3. The IUPAC name is 2-ethylsulfanyl-1H-benzimidazole, hydrobromide.

What is the CAS number of Bemethyl?

The CAS registry number of Bemethyl is 63513-71-3. Other or deprecated CAS numbers: 109628-14-0.

What is the molecular formula and weight of Bemethyl?

The molecular formula of Bemethyl is C9H11BrN2S and its molar mass is 259.17 g/mol.

What is Bemethyl used for?

Known uses and roles of Bemethyl include building blocks in research and laboratory, screening compounds in research and laboratory, adjuvants, immunologic, anticonvulsants and antioxidants.

Is Bemethyl hazardous?

No GHS hazard classification for Bemethyl 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 Bemethyl?

Bemethyl is usually classified under HS code 293399 (Heterocyclic compounds with nitrogen hetero-atom(s) only, other). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Bemethyl?

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

What is the price of Bemethyl?

Suppliers quote Bemethyl 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 Bemethyl

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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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