CompoundList

Thienylurea

Also known as n-2-thienylurea

CAS 858787-88-9Formula C5H6N2OSMolar mass 142.18 g/mol
Thienylurea chemical structure, C5H6N2OS, CAS 858787-88-9
2D chemical structure

Key facts

What buyers check first

CAS number
858787-88-9
Formula
C5H6N2OS
Molar mass
142.18 g/mol
HS code
293499
Category
Heterocyclic building blocks

What is Thienylurea?

Plain description, key identifiers and synonyms

Thienylurea is a chemical substance with the molecular formula C5H6N2OS and a molar mass of 142.18 g/mol. Its CAS registry number is 858787-88-9. The IUPAC name is thiophen-2-ylurea.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
thiophen-2-ylurea
CAS number
858787-88-9
Molecular formula
C5H6N2OS
InChIKey
YOJJQORBOZKLCC-UHFFFAOYSA-N
InChI
InChI=1S/C5H6N2OS/c6-5(8)7-4-2-1-3-9-4/h1-3H,(H3,6,7,8)
SMILES (canonical and isomeric)
C1=CSC(=C1)NC(=O)N

Synonyms

  • n-2-thienylurea

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
142.18 g/molcalc.
Exact mass
142.0201 Dacalc.
LogP (octanol/water)
1.24calc.
Topological polar surface area
55.12 Ųcalc.
Hydrogen bond donors
2calc.
Hydrogen bond acceptors
2calc.
Rotatable bonds
1calc.
Heavy atoms
9calc.
Rings
1calc.
Aromatic rings
1calc.
Fraction sp3 carbons
0calc.
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, c1ccsc1

c1ccsc1

1 ring, 5 atoms, the Thiophene ring system.

22,643 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.

Thienylurea suppliers

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Thienylurea 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

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

Frequently asked questions

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

What is Thienylurea?

Thienylurea is a chemical substance with the molecular formula C5H6N2OS and a molar mass of 142.18 g/mol. Its CAS registry number is 858787-88-9. The IUPAC name is thiophen-2-ylurea.

What is the CAS number of Thienylurea?

The CAS registry number of Thienylurea is 858787-88-9.

What is the molecular formula and weight of Thienylurea?

The molecular formula of Thienylurea is C5H6N2OS and its molar mass is 142.18 g/mol.

What is Thienylurea used for?

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

Is Thienylurea hazardous?

No GHS hazard classification for Thienylurea 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 Thienylurea?

Thienylurea 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 Thienylurea?

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

What is the price of Thienylurea?

Suppliers quote Thienylurea 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 Thienylurea

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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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