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Heterocyclic building blocks

LASSBio-294

Also known as LASSBio294, LASSBio 294, (2'-thienylidene)-3,4-methylenedioxybenzoylhydrazine

CAS 1189062-66-5Formula C13H10N2O3SMolar mass 274.30 g/mol
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LASSBio-294 chemical structure, C13H10N2O3S, CAS 1189062-66-5
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
1189062-66-5
Formula
C13H10N2O3S
Molar mass
274.30 g/mol
HS code
293499
Category
Heterocyclic building blocks

What is LASSBio-294?

Plain description, key identifiers and synonyms

LASSBio-294 is a chemical substance with the molecular formula C13H10N2O3S and a molar mass of 274.30 g/mol. Its CAS registry number is 1189062-66-5. The IUPAC name is N-[(E)-thiophen-2-ylmethylideneamino]-1,3-benzodioxole-5-carboxamide.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
N-[(E)-thiophen-2-ylmethylideneamino]-1,3-benzodioxole-5-carboxamide
CAS number
1189062-66-5
Molecular formula
C13H10N2O3S
UNII
C9V8QJK5M8
MDL number
MFCD01425224
InChIKey
YMOJHAPRGAZUPL-VGOFMYFVSA-N
InChI
InChI=1S/C13H10N2O3S/c16-13(15-14-7-10-2-1-5-19-10)9-3-4-11-12(6-9)18-8-17-11/h1-7H,8H2,(H,15,16)/b14-7+
Canonical SMILES
O=C(NN=Cc1cccs1)c1ccc2c(c1)OCO2
Isomeric SMILES
C1OC2=C(O1)C=C(C=C2)C(=O)N/N=C/C3=CC=CS3

Synonyms

  • LASSBio294
  • LASSBio 294
  • (2'-thienylidene)-3,4-methylenedioxybenzoylhydrazine
  • N'-[(1E)-(thiophen-2-yl)methylidene]-2H-1,3-benzodioxole-5-carbohydrazide
  • (E)-N'-(thiophen-2-ylmethylene)benzo[d][1,3]dioxole-5-carbohydrazide
  • N'-[(E)-2-thienylmethylidene]-1,3-benzodioxole-5-carbohydrazide
  • N-(thiophen-2-ylmethylideneamino)-1,3-benzodioxole-5-carboxamide
  • 1,3-Benzodioxole-5-carboxylic acid, (2-thienylmethylene)hydrazide
  • 1,3-Benzodioxole-5-carboxylic acid, 2-(2-thienylmethylene)hydrazide
  • N-((E)-Thiophen-2-ylmethylideneamino)-1,3-benzodioxole-5-carboxamide
  • N-[(E)-thiophen-2-ylmethylideneamino]-1,3-benzodioxole-5-carboxamide
  • 1,3-Benzodioxole-5-carboxylic acid, (2E)-2-(2-thienylmethylene)hydrazide
  • N'-[(E)-(Thiophen-2-yl)methylidene]-2H-1,3-benzodioxole-5-carbohydrazide
  • N-[(E)-2-thienylmethyleneamino]-1,3-benzodioxole-5-carboxamide
  • (2H-1,3-benzodioxol-5-yl)[(E)-2-[(2-thienyl)methylene]hydrazino]methanone
  • N-((1E)-2-(2-thienyl)-1-azavinyl)-2H-benzo[3,4-d]1,3-dioxolen-5-ylcarboxamide

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
274.30 g/molcalc.
Exact mass
274.0412 Dacalc.
LogP (octanol/water)
2.24calc.
Topological polar surface area
59.92 Ųcalc.
Hydrogen bond donors
1calc.
Hydrogen bond acceptors
5calc.
Rotatable bonds
3calc.
Heavy atoms
19calc.
Rings
3calc.
Aromatic rings
2calc.
Fraction sp3 carbons
0.08calc.
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, O=C(NN=Cc1cccs1)c1ccc2c(c1)OCO2

O=C(NN=Cc1cccs1)c1ccc2c(c1)OCO2

3 rings, 19 atoms.

No other chemical in our database has 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.

LASSBio-294 suppliers

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LASSBio-294 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 LASSBio-294 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 LASSBio-294 is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about LASSBio-294, based on the data on this page

What is LASSBio-294?

LASSBio-294 is a chemical substance with the molecular formula C13H10N2O3S and a molar mass of 274.30 g/mol. Its CAS registry number is 1189062-66-5. The IUPAC name is N-[(E)-thiophen-2-ylmethylideneamino]-1,3-benzodioxole-5-carboxamide.

What is the CAS number of LASSBio-294?

The CAS registry number of LASSBio-294 is 1189062-66-5.

What is the molecular formula and weight of LASSBio-294?

The molecular formula of LASSBio-294 is C13H10N2O3S and its molar mass is 274.30 g/mol.

What is LASSBio-294 used for?

Known uses and roles of LASSBio-294 include building blocks in research and laboratory and screening compounds in research and laboratory.

Is LASSBio-294 hazardous?

No GHS hazard classification for LASSBio-294 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 LASSBio-294?

LASSBio-294 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 LASSBio-294?

Post a free request on CompoundList and suppliers of LASSBio-294 will send you quotes. Your contact details stay private until you accept a quote.

What is the price of LASSBio-294?

Suppliers quote LASSBio-294 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 LASSBio-294

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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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