EcoDrugPlus


Synonyms	Acesulfame k Acesulfame potassium Acesulfame potassium salt E 950 E-950 E950 INS NO.950 INS-950 NSC-760104 Otizon Potassium acesulfamate Potassium acesulfame Sunett d
Status
Molecule Category	Salt-form
UNII	23OV73Q5G9
EPA CompTox	DTXSID1030606

Synonyms

Acesulfame k

Acesulfame potassium

Acesulfame potassium salt

E 950

E-950

E950

INS NO.950

INS-950

NSC-760104

Otizon

Potassium acesulfamate

Potassium acesulfame

Sunett d

Status

Molecule Category

Salt-form

UNII

23OV73Q5G9

EPA CompTox

DTXSID1030606


InChI Key	WBZFUFAFFUEMEI-UHFFFAOYSA-M
Smiles	CC1=CC(=O)[N-]S(=O)(=O)O1.[K+]
InChI	InChI=1S/C4H5NO4S.K/c1-3-2-4(6)5-10(7,8)9-3;/h2H,1H3,(H,5,6);/q;+1/p-1

InChI Key

WBZFUFAFFUEMEI-UHFFFAOYSA-M

Smiles

CC1=CC(=O)[N-]S(=O)(=O)O1.[K+]

InChI

InChI=1S/C4H5NO4S.K/c1-3-2-4(6)5-10(7,8)9-3;/h2H,1H3,(H,5,6);/q;+1/p-1

Property Name	Value
Molecular Formula	C4H4KNO4S
Molecular Weight	201.24
AlogP	-0.72
Hydrogen Bond Acceptor	4.0
Hydrogen Bond Donor	1.0
Polar Surface Area	72.47
Molecular species	ACID
Aromatic Rings	0.0
Heavy Atoms	10.0

Property Name

Value

Molecular Formula

C4H4KNO4S

Molecular Weight

201.24

AlogP

-0.72

Hydrogen Bond Acceptor

4.0

Hydrogen Bond Donor

1.0

Polar Surface Area

72.47

Molecular species

ACID

Aromatic Rings

0.0

Heavy Atoms

10.0

Resources	Reference
CAS NUMBER	55589-62-3
ChEMBL	CHEMBL1351474
FDA SRS	23OV73Q5G9
PubChem	11074431
SureChEMBL	SCHEMBL17454392

Resources

Reference

CAS NUMBER

ChEMBL

FDA SRS

PubChem

SureChEMBL

EcoDrug+ was developed under the PREMIER Innovative Medicines Initiative 2 Joint Undertaking (JU) under grant agreement No 875508. The JU receives support from the EU’s Horizon 2020 research and innovation programme and the European Federation of Pharmaceutical Industries and Associations (EFPIA). The views reflect only the authors’ perspective and the JU is not responsible for any use that may be made of the information EcoDrug+ contains.

Elements of EcoDrug+ were developed under the Biocenter Finland Drug Discovery and Chemical Biology network. CSC-IT Center for Science Ltd is thanked for providing computational resources. Credit is given to Ensembl for collecting species images (provided under public domain licences such as Wikimedia and NHGRI).

Content of EcoDrug+ is provided without guarantee for correctness.

Cite Us:

Ashenafi Legehar, Siobhán Monaghan, Mael Briand, Akseli Niemelä, Leo Ghemtio, Ziaurrehman Tanoli, A Ross Brown, Charles R Tyler, Henri Xhaard, EcoDrug PLUS: an advanced database for drug target conservation analysis and environmental risk assessment, Nucleic Acids Research, Volume 54, Issue D1, 6 January 2026, Pages D1397–D1404, https://doi.org/10.1093/nar/gkaf1251

This work is licensed under Creative Commons Attribution-ShareAlike 4.0 International License

Last update: Monday, 23^rd March 2026

ACESULFAME POTASSIUM

Structure

Physicochemical Descriptors

Cross References