CompoundList
Sign in
Heterocyclic building blocks

Citiolone

Also known as N-(2-oxothiolan-3-yl)acetamide, Acetamide, N-(tetrahydro-2-oxo-3-thienyl)-, N-(Tetrahydro-2-oxo-3-thienyl)acetamide

CAS 1195-16-0Formula C6H9NO2SMolar mass 159.21 g/molEC 214-793-8
GHS signal word: Danger. Pictograms: Acute toxicity (severe) 11 suppliers listed
Get quotes Compare 11 suppliers
Citiolone chemical structure, C6H9NO2S, CAS 1195-16-0
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
1195-16-0
Formula
C6H9NO2S
Molar mass
159.21 g/mol
EC number
214-793-8
HS code
293499
Category
Heterocyclic building blocks

What is Citiolone?

Plain description, key identifiers and synonyms

N-(2-oxo-3-thiolanyl)acetamide is a N-acyl-amino acid.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
N-(2-oxothiolan-3-yl)acetamide
CAS number
1195-16-0 CAS number cross-checkedOther or deprecated CAS: 17896-21-8
EC numbers
214-793-8, 241-841-5
Molecular formula
C6H9NO2S
UNII
70JKL15MUH
MDL number
MFCD00005480
InChIKey
NRFJZTXWLKPZAV-UHFFFAOYSA-N
InChI
InChI=1S/C6H9NO2S/c1-4(8)7-5-2-3-10-6(5)9/h5H,2-3H2,1H3,(H,7,8)
SMILES (canonical and isomeric)
CC(=O)NC1CCSC1=O

Synonyms

  • N-(2-oxothiolan-3-yl)acetamide
  • Acetamide, N-(tetrahydro-2-oxo-3-thienyl)-
  • N-(Tetrahydro-2-oxo-3-thienyl)acetamide
  • N-Acetylhomocysteine thiolactone
  • Citiolona
  • Citiolonum
  • cythiolone
  • Citiolase
  • DL-N-Acetylhomocysteine thiolactone
  • Thioxidrene
  • Ahctl
  • N-(2-Oxotetrahydrothiophen-3-yl)acetamide
  • 3-Acetamidotetrahydro-2-thiophenone
  • Achtl
  • AHCT
  • N-Acetyl-dl-homocysteine thiolactone
  • N-Acetylhmocysteinethiolactone
  • BO 714
  • 2-Acetamido-4-mercaptobutyric acid gamma-thiolactone
  • N-Acetylhomocysteinthiolakton
  • 2-Acetamido-4-mercaptobutyric acid thiolactone
  • Citiolone (INN)
  • alpha-Acetamido-gamma-thiobutyrolactone
  • Mucorex
  • Sitilon
Show all 30 synonyms
  • N-(2-oxo-3-3,4,5-trihydrothienyl)acetamide
  • N-(Tetrahydro-2-oxothienyl)acetamide
  • N-Acetyl-DL-homocystein thiolacton
  • Citiolone (Standard)
  • Bile sac powder

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
159.21 g/molcalc.
Exact mass
159.0354 Dacalc.
LogP (octanol/water)
0.15calc.
Topological polar surface area
46.17 Ųcalc.
Hydrogen bond donors
1calc.
Hydrogen bond acceptors
3calc.
Rotatable bonds
1calc.
Heavy atoms
10calc.
Rings
1calc.
Aromatic rings
0calc.
Fraction sp3 carbons
0.67calc.
Formal charge
0calc.
Stereocentres
1calc.
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, O=C1CCCS1

O=C1CCCS1

1 ring, 6 atoms, the 2(3H)-Thiophenone, dihydro- ring system.

81 other chemicals share this scaffold

Safety and hazards

GHS classification summary, not a safety data sheet

GHS signal word
Danger
GHS06: Acute toxicity (severe)
Acute toxicity (severe)

Hazard statements

  • H301Toxic if swallowed.
Precautionary statements (7)
  • P264Wash skin thoroughly after handling.
  • P270Do not eat, drink or smoke when using this product.
  • P301 + P316If swallowed: Get emergency medical help immediately.
  • P321Specific treatment (see supplemental first aid instructions on the label).
  • P330Rinse mouth.
  • 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

Citiolone suppliers

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

All 11 suppliers
11 of 11 offers

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

11 suppliers in 2 countries

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

Citiolone 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

United States

  • TSCA inventory (USA)
    Status: Inactive in US commerce

HS code and trade data

Customs classification and reported world trade statistics

Global trade

World import and export statistics for the HS code Citiolone 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 Citiolone is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

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

What is Citiolone?

N-(2-oxo-3-thiolanyl)acetamide is a N-acyl-amino acid.

What is the CAS number of Citiolone?

The CAS registry number of Citiolone is 1195-16-0. Other or deprecated CAS numbers: 17896-21-8.

What is the molecular formula and weight of Citiolone?

The molecular formula of Citiolone is C6H9NO2S and its molar mass is 159.21 g/mol.

What is Citiolone used for?

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

Is Citiolone hazardous?

Citiolone carries the GHS signal word "Danger". Main hazards: toxic if swallowed. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of Citiolone?

Citiolone 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 Citiolone?

CompoundList lists 11 suppliers of Citiolone in China and United States. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

What is the price of Citiolone?

Suppliers quote Citiolone 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 Citiolone

Get quotes for Citiolone

Post one free request with your grade, quantity and destination. Matching suppliers send quotes you can compare side by side.
Post a request Sell Citiolone
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 Citiolone 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/citiolone-1195-16-0" title="Citiolone 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 293499

11 suppliers
Free quotes, contact stays private
Get quotes