EcoDrugPlus


Trade Names	CYSTAGON PROCYSBI
Synonyms	Cystagon Cysteamine bitartrate Mercamine bitartrate Mercaptamine bitartrate Procysbi RP-103
Status
Molecule Category	Salt-form
UNII	QO84GZ3TST
Parent Compound:	CYSTEAMINE

Trade Names

CYSTAGON

PROCYSBI

Synonyms

Cystagon

Cysteamine bitartrate

Mercamine bitartrate

Mercaptamine bitartrate

Procysbi

RP-103

Status

Molecule Category

Salt-form

UNII

QO84GZ3TST

Parent Compound:

CYSTEAMINE


InChI Key	NSKJTUFFDRENDM-UHFFFAOYSA-N
Smiles	NCCS.O=C(O)C(O)C(O)C(=O)O
InChI	InChI=1S/C4H6O6.C2H7NS/c5-1(3(7)8)2(6)4(9)10;3-1-2-4/h1-2,5-6H,(H,7,8)(H,9,10);4H,1-3H2

InChI Key

NSKJTUFFDRENDM-UHFFFAOYSA-N

Smiles

NCCS.O=C(O)C(O)C(O)C(=O)O

InChI

InChI=1S/C4H6O6.C2H7NS/c5-1(3(7)8)2(6)4(9)10;3-1-2-4/h1-2,5-6H,(H,7,8)(H,9,10);4H,1-3H2

Property Name	Value
Molecular Formula	C6H13NO6S
Molecular Weight	227.24
AlogP	-0.13
Hydrogen Bond Acceptor	2.0
Hydrogen Bond Donor	2.0
Number of Rotational Bond	1.0
Polar Surface Area	26.02
Molecular species	BASE
Aromatic Rings	0.0
Heavy Atoms	4.0

Property Name

Value

Molecular Formula

C6H13NO6S

Molecular Weight

227.24

AlogP

-0.13

Hydrogen Bond Acceptor

2.0

Hydrogen Bond Donor

2.0

Number of Rotational Bond

1.0

Polar Surface Area

26.02

Molecular species

BASE

Aromatic Rings

0.0

Heavy Atoms

4.0

Mechanism of Action	Action	Reference
Cystine reducing agent	REDUCING AGENT	DailyMed

Mechanism of Action

Action

Reference

Cystine reducing agent

REDUCING AGENT

DailyMed

Resources	Reference
ChEBI	50386
ChEMBL	CHEMBL2062263
FDA SRS	QO84GZ3TST
KEGG	C01678
PDB	DHL
PubChem	11958147
SureChEMBL	SCHEMBL49513
ZINC	ZINC08034121

Resources

Reference

ChEBI

ChEMBL

FDA SRS

KEGG

PDB

PubChem

SureChEMBL

ZINC

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, 2025, gkaf1251 Read...

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

Last update: Monday, 3 November 2025

CYSTEAMINE BITARTRATE

Structure

Physicochemical Descriptors

Pharmacology

Cross References