ChemicalBook--->CAS DataBase List--->21730-93-8

21730-93-8

21730-93-8 Structure

21730-93-8 Structure
IdentificationBack Directory
[Name]

L-Threonolactone
[CAS]

21730-93-8
[Synonyms]

Threonolactone
L-Threonic acid γ-lactone
L-Threonic Acid-4-lactone
L-Threonic acid-1,4-lactone
L-Threonolactone(usedforTnucleosides)
3,4-bis(trimethylsilyloxy)oxolan-2-one
L-Threonolactone (used for TNA nucleosides)
(3R,4S)-3,4-Dihydroxydihydrofuran-2(3H)-one
(3S,4S)-3-Amino-4-hydroxydihydrofuran-2(3H)-one
2(3H)-Furanone, dihydro-3,4-dihydroxy-, (3R,4S)-
[Molecular Formula]

C4H6O4
[MDL Number]

MFCD05663655
[MOL File]

21730-93-8.mol
[Molecular Weight]

118.09
Chemical PropertiesBack Directory
[Melting point ]

74-75 °C
[Boiling point ]

145-150 °C(Press: 0.25 Torr)
[density ]

1.681±0.06 g/cm3(Predicted)
[solubility ]

Acetonitrile (Sparingly), DMSO (Slightly), Methanol (Sparingly)
[form ]

Solid
[pka]

12.34±0.40(Predicted)
[color ]

White to Off-White
[Optical Rotation]

[α]/D 29.5±3.5°, c = 1 in H2O
[BRN ]

81074
Safety DataBack Directory
[WGK Germany ]

3
Hazard InformationBack Directory
[Uses]

L-Threonolactone is formed in the autoxidation of L-Ascorbic acid (A786990), a compound that is essential for numerous enzymatic reactions in the body and is also responsible for scavenging free radicals to prevent oxidative damage to cells.
[Definition]

ChEBI: A butan-4-olide that is dihydrofuran-2-one substituted at C-3 and C-4 by hydroxy groups (the 3R,4S-diastereomer).
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