Cystamine

Modify Date: 2026-07-16 16:08:11

Cystamine Structure
Cystamine structure
Common Name Cystamine
CAS Number 51-85-4 Molecular Weight 152.28100
Density 1.172g/cm3 Boiling Point 264.8ºC at 760 mmHg
Molecular Formula C4H12N2S2 Melting Point N/A
MSDS N/A Flash Point 114ºC

 Use of Cystamine


Cystamine is an alkyl chain-based PROTAC linker that can be used in the synthesis of PROTACs[1].

 Names

This table lists Chinese names, IUPAC names and various aliases of this chemical substance.

Name cystamine
Synonym More Synonyms

 Cystamine Biological Activity

This table contains bioactivity, target information and biological‑assay experimental data of this compound.

Description Cystamine is an alkyl chain-based PROTAC linker that can be used in the synthesis of PROTACs[1].
Related Catalog
Target

Alkyl-Chain

In Vitro PROTACs contain two different ligands connected by a linker; one is a ligand for an E3 ubiquitin ligase and the other is for the target protein. PROTACs exploit the intracellular ubiquitin-proteasome system to selectively degrade target proteins[1].
References

[1]. An S, et al. Small-molecule PROTACs: An emerging and promising approach for the development of targeted therapy drugs. EBioMedicine. 2018 Oct;36:553-562

 Chemical & Physical Properties

This table shows physicochemical parameters including melting point, boiling point, density, solubility and optical rotation. Missing data is marked as N/A.

Density 1.172g/cm3
Boiling Point 264.8ºC at 760 mmHg
Molecular Formula C4H12N2S2
Molecular Weight 152.28100
Flash Point 114ºC
Exact Mass 152.04400
PSA 102.64000
LogP 1.68580
Index of Refraction 1.587
InChIKey APQPRKLAWCIJEK-UHFFFAOYSA-N
SMILES NCCSSCCN

 Safety Information

This table covers safety warnings, protective measures, incompatible substances and disposal guidelines for this compound.

HS Code 2930909090

 Synthetic Route

This table presents publicly reported synthetic routes, reaction conditions, reactants and product information of the compound.

 Customs

This table shows customs‑related data including HS‑code, tariff and regulatory conditions for import and export.

HS Code 2930909090
Summary 2930909090. other organo-sulphur compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0%

 Synonyms

This table collects all English aliases, systematic names and CAS‑related synonyms of the compound.

diaminosulphonate
NH2CH2CH2NHCH2CH2SO3Na
cysteamine disulfide
2-[(2-aminoethyl)amino]-ethanesulfonic acid monosodium salt
SodiuM 2-[(2-aMinoethyl)aMino]ethanesulphona
2-(2-aminoethyldisulfanyl)ethanamine
Natrium-2-[(2-aminoethyl)amino]ethansulfonat
N-(2-AMINOETHYL)-3-AMINOETHANESULPHONICACID,SODIUMSALT
2,2'-Disulfanediyldiethanamine
3,4-dithiahexane-1,6-diamine
2-[(2-Aminoethyl)amino]ethane-1-sulfonic acid sodium salt
2-(2-aminoethyldisulfonyl)-ethylamine
Ethanesulfonic acid,2-(2-aminoethyl)amino-,monosodium salt
sodium salt of 2-(2-amino-ethylamino)-ethanesulfonic acid
2-[(2-AMINOETHYL)AMINO]ETHANE SULFONIC ACID SODIUM SALT

 Cystamine | FAQ

This section contains frequently‑asked‑questions about this compound, including basic parameters, properties, storage conditions and corresponding answers.

Q: What is the boiling point of cystamine?
A: Boiling point of cystamine is 264.8ºC at 760 mmHg.
Q: What is the English name of cystamine?
A: The English name of cystamine is cystamine.
Q: What is the molecular weight of cystamine?
A: Molecular weight of cystamine is 152.28100.
Q: What is the SMILES notation of cystamine?
A: SMILES notation of cystamine is NCCSSCCN.
Q: What is the molecular formula of cystamine?
A: Molecular formula of cystamine is C4H12N2S2.
Q: What is the polar surface area (PSA) of cystamine?
A: Polar surface area (PSA) of cystamine is 102.64000.
Q: What is the LogP of cystamine?
A: LogP of cystamine is 1.68580.
Q: What are the uses of cystamine?
A: Main uses of cystamine: Cystamine is an alkyl chain-based PROTAC linker that can be used in the synthesis of PROTACs[1].
Q: What is the CAS number of cystamine?
A: CAS number of cystamine is 51-85-4.
Q: What is the InChIKey of cystamine?
A: InChIKey of cystamine is APQPRKLAWCIJEK-UHFFFAOYSA-N.

 Cystaminefactory

This table lists manufacturers and suppliers of this compound, including vendor names and product supply reference information.

Shanghai Nianxing Industrial Co., Ltd
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