3-(Sulfosulfanyl)-L-alanine

Basic Information

View in Editor

CAS Number

1637-71-4

Molecular Formula

C3H7NO5S2

Molecular Weight

201.23 g/mol

Chemical Classification

Basic Chemical Raw Materials Organic Chemicals Carboxylic Acids

Basic Chemical Raw Materials Organic Chemicals Amines

Water Treatment Chemicals Coagulants and Flocculants Inorganic Coagulants

Basic Physical Properties

Melting Point

184-185°C

Boiling Point

°Cat760mmHg

Density

g/cm3

Solubility

H2O: 20 mg/mL, clear, colorless

Refractive Index

1.604

SMILES

View in Editor

C(C(C(=O)O)N)SS(=O)(=O)O

InChI

InChI=1S/C3H7NO5S2/c4-2(3(5)6)1-10-11(7,8)9/h2H,1,4H2,(H,5,6)(H,7,8,9)/t2-/m0/s1

InChIKey

NOKPBJYHPHHWAN-REOHCLBHSA-N

LogP

-1.0656999999999996

Topological Polar Surface Area

117.68999999999998 Å²

Hydrogen Bond Donor/Acceptor

4 / 6

Complexity

229

Safety Information

View Safety Information

Stability

Store in Freezer at -20°C

Synonyms & References

English

S-Cysteinesulfonic acid
885F2S42LL
BDBM50269414
S-Sulfo-L-cysteine
DB04370
CHEMBL457665
Cysteine-S-sulfate
L-Cysteine-S-sulfonate
L-Cysteine S-sulphate
L-Cysteine hydrogen sulfate (ester)
(R)-2-amino-3-(sulfothio)propanoic acid
HY-113084
NCGC00163281-01
J-010087
CHEBI:27891
Cysteine-S-sulphate
Alaninethiosulfuric acid
S-sulpho-L-cysteine
UNII-885F2S42LL
1637-71-4
L-Cysteine hydrogen sulfate
L-Cysteine hydrogen sulphate (ester)
NCGC00163281-02
CS-0059520
Cysteine-S-sulfonate
NS00014865
DTXSID20167649
(2R)-2-azaniumyl-3-sulfosulfanylpropanoate
C05824
Cysteinyl-S-sulfonic acid
L-Cysteine, hydrogen sulfate (ester)

MDL Number

MFCD00269958

Customs Code

2930909090

FAQ

What are the physical and chemical properties of 3-(Sulfosulfanyl)-L-alanine (CAS: 1637-71-4)?

3-(Sulfosulfanyl)-L-alanine (CAS: 1637-71-4) is a crystalline compound with a molecular weight of approximately 238.14 g/mol. It has a high solubility in water and organic solvents. Chemically, it exhibits moderate reactivity, particularly with nucleophiles due to the sulfosulfanyl group. It is stable under normal conditions but can degrade under strong acidic or basic conditions.

How is 3-(Sulfosulfanyl)-L-alanine (CAS: 1637-71-4) typically synthesized?

3-(Sulfosulfanyl)-L-alanine can be synthesized via chemical modification of L-alanine. Common methods involve the reaction of L-alanine with sodium sulfosuccinimide, followed by acid workup. The synthesis yields a high purity product with good selectivity, though the overall yield can be improved with optimized reaction conditions and purification steps.

What industries use 3-(Sulfosulfanyl)-L-alanine (CAS: 1637-71-4)?

3-(Sulfosulfanyl)-L-alanine (CAS: 1637-71-4) is primarily used in the pharmaceutical and biochemical industries for its unique sulfur-containing functionality. It also finds applications in the polymer industry for its potential to form stable covalent bonds, and in the sensor and semiconductor fields for its ability to act as a functional group in molecular recognition and electronic devices.

What precautions should be taken when handling 3-(Sulfosulfanyl)-L-alanine (CAS: 1637-71-4)?

When handling 3-(Sulfosulfanyl)-L-alanine (CAS: 1637-71-4), it is essential to wear appropriate personal protective equipment (PPE) including gloves, goggles, and a lab coat. Work should be conducted in a fume hood to minimize exposure. Spills should be cleaned up with absorbent materials and disposed of according to hazardous waste regulations. Always refer to the Safety Data Sheet (SDS) for detailed handling and disposal instructions.