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Heterocyclic building blocks

WS 30581B

Also known as 1H-Indole, 3-(2-butyl-5-oxazolyl)-, 3-(2-Butyl-1,3-oxazol-5-yl)-1H-indole

CAS 93773-63-8Formula C15H16N2OMolar mass 240.31 g/mol
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WS 30581B chemical structure, C15H16N2O, CAS 93773-63-8
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
93773-63-8
Formula
C15H16N2O
Molar mass
240.31 g/mol
HS code
293499
Category
Heterocyclic building blocks

What is WS 30581B?

Plain description, key identifiers and synonyms

WS 30581B is a chemical substance with the molecular formula C15H16N2O and a molar mass of 240.31 g/mol. Its CAS registry number is 93773-63-8. The IUPAC name is 2-butyl-5-(1H-indol-3-yl)-1,3-oxazole.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
2-butyl-5-(1H-indol-3-yl)-1,3-oxazole
CAS number
93773-63-8 CAS number cross-checked
Molecular formula
C15H16N2O
InChIKey
KDXRUFFDZPXAHQ-UHFFFAOYSA-N
InChI
InChI=1S/C15H16N2O/c1-2-3-8-15-17-10-14(18-15)12-9-16-13-7-5-4-6-11(12)13/h4-7,9-10,16H,2-3,8H2,1H3
SMILES (canonical and isomeric)
CCCCC1=NC=C(O1)C2=CNC3=CC=CC=C32

Synonyms

  • 1H-Indole, 3-(2-butyl-5-oxazolyl)-
  • 3-(2-Butyl-1,3-oxazol-5-yl)-1H-indole

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
240.31 g/molcalc.
Exact mass
240.1263 Dacalc.
LogP (octanol/water)
4.17calc.
Topological polar surface area
41.82 Ųcalc.
Hydrogen bond donors
1calc.
Hydrogen bond acceptors
2calc.
Rotatable bonds
4calc.
Heavy atoms
18calc.
Rings
3calc.
Aromatic rings
3calc.
Fraction sp3 carbons
0.27calc.
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, c1ccc2c(-c3cnco3)c[nH]c2c1

c1ccc2c(-c3cnco3)c[nH]c2c1

3 rings, 14 atoms, the 5-(3-Indolyl)oxazole ring system.

22 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.

WS 30581B suppliers

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WS 30581B 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

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 WS 30581B 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 WS 30581B is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about WS 30581B, based on the data on this page

What is WS 30581B?

WS 30581B is a chemical substance with the molecular formula C15H16N2O and a molar mass of 240.31 g/mol. Its CAS registry number is 93773-63-8. The IUPAC name is 2-butyl-5-(1H-indol-3-yl)-1,3-oxazole.

What is the CAS number of WS 30581B?

The CAS registry number of WS 30581B is 93773-63-8.

What is the molecular formula and weight of WS 30581B?

The molecular formula of WS 30581B is C15H16N2O and its molar mass is 240.31 g/mol.

What is WS 30581B used for?

Known uses and roles of WS 30581B include building blocks in research and laboratory and screening compounds in research and laboratory.

Is WS 30581B hazardous?

No GHS hazard classification for WS 30581B 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 WS 30581B?

WS 30581B 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 WS 30581B?

Post a free request on CompoundList and suppliers of WS 30581B will send you quotes. Your contact details stay private until you accept a quote.

What is the price of WS 30581B?

Suppliers quote WS 30581B 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 WS 30581B

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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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