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Heterocyclic building blocks

EM 240

Also known as Benzoic acid, 2-(((2-oxo-3-piperidinyl)amino)sulfonyl)-, 2-[(2-Oxo-3-piperidinyl)sulfamoyl]benzoic acid, 2-[(2-Hydroxy-3,4,5,6-tetrahydropyridin-3-yl)sulfamoyl]benzoic acid

CAS 75871-97-5Formula C12H14N2O5SMolar mass 298.32 g/mol
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EM 240 chemical structure, C12H14N2O5S, CAS 75871-97-5
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
75871-97-5
Formula
C12H14N2O5S
Molar mass
298.32 g/mol
HS code
293590
Category
Heterocyclic building blocks

What is EM 240?

Plain description, key identifiers and synonyms

EM 240 is a chemical substance with the molecular formula C12H14N2O5S and a molar mass of 298.32 g/mol. Its CAS registry number is 75871-97-5. The IUPAC name is 2-[(2-oxopiperidin-3-yl)sulfamoyl]benzoic acid.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
2-[(2-oxopiperidin-3-yl)sulfamoyl]benzoic acid
CAS number
75871-97-5 CAS number cross-checked
Molecular formula
C12H14N2O5S
InChIKey
DNVZLFNJKSGFRV-UHFFFAOYSA-N
InChI
InChI=1S/C12H14N2O5S/c15-11-9(5-3-7-13-11)14-20(18,19)10-6-2-1-4-8(10)12(16)17/h1-2,4,6,9,14H,3,5,7H2,(H,13,15)(H,16,17)
SMILES (canonical and isomeric)
C1CC(C(=O)NC1)NS(=O)(=O)C2=CC=CC=C2C(=O)O

Synonyms

  • Benzoic acid, 2-(((2-oxo-3-piperidinyl)amino)sulfonyl)-
  • 2-[(2-Oxo-3-piperidinyl)sulfamoyl]benzoic acid
  • 2-[(2-Hydroxy-3,4,5,6-tetrahydropyridin-3-yl)sulfamoyl]benzoic acid

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
298.32 g/molcalc.
Exact mass
298.0623 Dacalc.
LogP (octanol/water)
-0.06calc.
Topological polar surface area
112.6 Ųcalc.
Hydrogen bond donors
3calc.
Hydrogen bond acceptors
4calc.
Rotatable bonds
4calc.
Heavy atoms
20calc.
Rings
2calc.
Aromatic rings
1calc.
Fraction sp3 carbons
0.33calc.
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=C1NCCCC1NS(=O)(=O)c1ccccc1

O=C1NCCCC1NS(=O)(=O)c1ccccc1

2 rings, 17 atoms.

3 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.

EM 240 suppliers

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EM 240 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 EM 240 is traded under.

HS 2935.90Indicative HS code

Sulphonamides, other

World exports in 2024
$5.64B
−11.0% vs 2023, imports $8.56B
2019 to 2024
Top exporters
  1. Ireland43.1%
  2. China12.0%
  3. India * partner reported9.5%
Top importers
  1. United States23.6%
  2. Slovenia19.1%
  3. Spain11.7%

* Partner reported figures, a lower bound.

Reported customs values in USD, not prices.Full trade data

The HS code shown for EM 240 is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about EM 240, based on the data on this page

What is EM 240?

EM 240 is a chemical substance with the molecular formula C12H14N2O5S and a molar mass of 298.32 g/mol. Its CAS registry number is 75871-97-5. The IUPAC name is 2-[(2-oxopiperidin-3-yl)sulfamoyl]benzoic acid.

What is the CAS number of EM 240?

The CAS registry number of EM 240 is 75871-97-5.

What is the molecular formula and weight of EM 240?

The molecular formula of EM 240 is C12H14N2O5S and its molar mass is 298.32 g/mol.

What is EM 240 used for?

Known uses and roles of EM 240 include building blocks in research and laboratory and screening compounds in research and laboratory.

Is EM 240 hazardous?

No GHS hazard classification for EM 240 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 EM 240?

EM 240 is usually classified under HS code 293590 (Sulphonamides, other). This is indicative, confirm it with your customs broker before shipping.

Where can I buy EM 240?

Post a free request on CompoundList and suppliers of EM 240 will send you quotes. Your contact details stay private until you accept a quote.

What is the price of EM 240?

Suppliers quote EM 240 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 EM 240

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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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