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ChemicalBook--->CAS DataBase List--->29621-88-3

29621-88-3

29621-88-3 Structure

29621-88-3 Structure
IdentificationBack Directory
[Name]

L-SELENOCYSTINE
[CAS]

29621-88-3
[Synonyms]

L-SELENOCYSTINE
SELENO-L-CYSTINE
L-SELENOCYSTINE 98%
L-Selenocystine,98%
Seleno-L-cystine 95%
3’-diselenodi-l-alanin
3,3'-DISELENO-L-ALANINE
l-3,3’-diselenodialanine
L-Alanine,3,3'-diselenobis-
L-Selenocystine Monohydrate
Alanine, 3,3'-diselenodi-, L-
(R,R)-3,3'-DISELENO-BIS(2-AMINOPROPIONIC ACID)
2-Amino-3-(((R)-2-amino-2-carboxyethyl)diselanyl)propanoic acid
(R,R)-3,3μ-Diseleno-bis(2-aminopropionic acid), L-Selenocystine
Seleno-L-cystine,(R,R)-3,3′-Diseleno-bis(2-aminopropionic acid), L-Selenocystine
[EINECS(EC#)]

275-728-7
[Molecular Formula]

C6H12N2O4Se2
[MDL Number]

MFCD00800971
[MOL File]

29621-88-3.mol
[Molecular Weight]

334.09
Chemical PropertiesBack Directory
[Appearance]

yellow fine powder
[Melting point ]

224.5-229.5 °C(lit.)
[Boiling point ]

538.3±60.0 °C(Predicted)
[storage temp. ]

2-8°C
[solubility ]

Aqueous Acid (Slightly), Aqueous Base (Slightly)
[form ]

Powder
[pka]

1.69±0.10(Predicted)
[color ]

Yellow
[optical activity]

[α]20/D 28°, c = 1 in NaOH
[BRN ]

1969559
[Stability:]

Hygroscopic
Hazard InformationBack Directory
[Chemical Properties]

yellow fine powder
[Description]

L-Selenocystine is a diselenide-bridged amino acid that may be confused with selenocysteine (Sec), which is a rare amino acid featuring a single selenium atom. L-Selenocystine is a redox-active selenium compound that has both anti- and pro-oxidant actions. This compound can be reduced by low molecular thiols and disulfide reductases to Sec. It is reduced to Sec by mammalian thioredoxin reductase (apparent Km = 6.0 μM), and this property can be used to assay thioredoxin reductase activity. L-Selenocystine induces an unfolded protein response, ER stress, and large cytoplasmic vacuolization in HeLa cells and has cytostatic effects in a range of cancer cell types.
[Uses]

Seleno-L-cystine can be used for the synthesis of:
  • Biologically active selenol compounds.
  • Non-natural selenylated diamino acids.

[reaction suitability]

reaction type: solution phase peptide synthesis
Safety DataBack Directory
[Hazard Codes ]

T,N
[Risk Statements ]

23/25-33-50/53
[Safety Statements ]

20/21-28-45-60-61
[RIDADR ]

UN 3283 6.1/PG 3
[WGK Germany ]

3
[RTECS ]

AY6032000
[HazardClass ]

6.1
[PackingGroup ]

III
[HS Code ]

29319090
Spectrum DetailBack Directory
[Spectrum Detail]

L-SELENOCYSTINE(29621-88-3)1HNMR
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