CompoundList
Sign in
Heterocyclic building blocks

Ctk5C3203

Also known as 3-Ethylquinoxaline-2-thiol, 3-Ethylquinoxaline-2(1H)-thione, 2(1H)-Quinoxalinethione, 3-ethyl-

CAS 658686-30-7Formula C10H10N2SMolar mass 190.27 g/mol
Get quotes Safety data
Ctk5C3203 chemical structure, C10H10N2S, CAS 658686-30-7
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
658686-30-7
Formula
C10H10N2S
Molar mass
190.27 g/mol
HS code
293399
Category
Heterocyclic building blocks

What is Ctk5C3203?

Plain description, key identifiers and synonyms

Ctk5C3203 is a chemical substance with the molecular formula C10H10N2S and a molar mass of 190.27 g/mol. Its CAS registry number is 658686-30-7. The IUPAC name is 3-ethyl-1H-quinoxaline-2-thione.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
3-ethyl-1H-quinoxaline-2-thione
CAS number
658686-30-7 CAS number cross-checked
Molecular formula
C10H10N2S
InChIKey
BUNKFDQPEVOEKX-UHFFFAOYSA-N
InChI
InChI=1S/C10H10N2S/c1-2-7-10(13)12-9-6-4-3-5-8(9)11-7/h3-6H,2H2,1H3,(H,12,13)
SMILES (canonical and isomeric)
CCC1=NC2=CC=CC=C2NC1=S

Synonyms

  • 3-Ethylquinoxaline-2-thiol
  • 3-Ethylquinoxaline-2(1H)-thione
  • 2(1H)-Quinoxalinethione, 3-ethyl-

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
190.27 g/molcalc.
Exact mass
190.0565 Dacalc.
LogP (octanol/water)
2.85calc.
Topological polar surface area
28.68 Ųcalc.
Hydrogen bond donors
1calc.
Hydrogen bond acceptors
2calc.
Rotatable bonds
1calc.
Heavy atoms
13calc.
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, S=c1cnc2ccccc2[nH]1

S=c1cnc2ccccc2[nH]1

2 rings, 11 atoms, the 2-Quinoxalinethiol ring system.

14 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.

Ctk5C3203 suppliers

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

No supplier listings yet

Post one free request and suppliers who make or trade Ctk5C3203 can send you quotes. Your contact details stay private until you accept a quote.

Request quotesSell this chemical

Ctk5C3203 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 Ctk5C3203 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 Ctk5C3203 is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about Ctk5C3203, based on the data on this page

What is Ctk5C3203?

Ctk5C3203 is a chemical substance with the molecular formula C10H10N2S and a molar mass of 190.27 g/mol. Its CAS registry number is 658686-30-7. The IUPAC name is 3-ethyl-1H-quinoxaline-2-thione.

What is the CAS number of Ctk5C3203?

The CAS registry number of Ctk5C3203 is 658686-30-7.

What is the molecular formula and weight of Ctk5C3203?

The molecular formula of Ctk5C3203 is C10H10N2S and its molar mass is 190.27 g/mol.

What is Ctk5C3203 used for?

Known uses and roles of Ctk5C3203 include building blocks in research and laboratory and screening compounds in research and laboratory.

Is Ctk5C3203 hazardous?

No GHS hazard classification for Ctk5C3203 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 Ctk5C3203?

Ctk5C3203 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 Ctk5C3203?

Post a free request on CompoundList and suppliers of Ctk5C3203 will send you quotes. Your contact details stay private until you accept a quote.

What is the price of Ctk5C3203?

Suppliers quote Ctk5C3203 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 Ctk5C3203

Get quotes for Ctk5C3203

Post one free request with your grade, quantity and destination. Matching suppliers send quotes you can compare side by side.
Post a request Sell Ctk5C3203
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 Ctk5C3203 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/ctk5c3203-658686-30-7" title="Ctk5C3203 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 293399

Price on request
Free quotes, contact stays private
Get quotes