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ChemicalBook--->CAS DataBase List--->28954-12-3

28954-12-3

28954-12-3 Structure

28954-12-3 Structure
IdentificationMore
[Name]

L(+)-allo-Threonine
[CAS]

28954-12-3
[Synonyms]

(2S 3S)-(+)-2-AMINO-3-HYDROXYBUTYRIC ACID
(2S,3S)-2-AMINO-3-HYDROXYBUTYRIC ACID
(2S,3S)-(+)-ALLO-THREONINE
ALLO-THREONINE
ALLO-THREONINE(TBU)-OH
H-ALLO-THR(BUT)-OH
H-ALLO-THR-O
H-ALLO-THR-OH
H-ALLO-THR(TBU)-OH
H-L-ALLO-THR-OH
L(+)-ALLO-THREONINE
L-ALLO-THREONINE
O-T-BUTYL-L-ALLO-THREONINE
allo-l-threonine
l-allothreonin
(2S
H-allo-Thr-OH(L-Allo-Threonine)
Allo-Thr-OH
(2S 3S)-(+)-2-AMINO-3-HYDROXYBUTYRIC ACID 99%
H-L-allo-Thr(tBu)-OH
[EINECS(EC#)]

249-327-2
[Molecular Formula]

C4H9NO3
[MDL Number]

MFCD00237373
[Molecular Weight]

119.12
[MOL File]

28954-12-3.mol
Chemical PropertiesBack Directory
[Appearance]

white to off-white crystalline powder
[Melting point ]

272 °C (dec.)(lit.)
[alpha ]

9 º (c=2, H2O)
[Boiling point ]

222.38°C (rough estimate)
[density ]

1.3126 (rough estimate)
[refractive index ]

10 ° (C=5, H2O)
[storage temp. ]

Store at RT.
[solubility ]

Water (Slightly)
[form ]

Crystalline Powder
[pka]

pK1: 2.108(+1);pK2: 9.096(0) (25°C)
[color ]

White to off-white
[optical activity]

[α]23/D +9.0°, c = 2 in H2O
[BRN ]

1721645
[CAS DataBase Reference]

28954-12-3(CAS DataBase Reference)
Safety DataBack Directory
[Safety Statements ]

S24/25:Avoid contact with skin and eyes .
[WGK Germany ]

3
[RTECS ]

BA4055000
[HS Code ]

29225090
Material Safety Data Sheet(MSDS)Back Directory
[msds information]

L(+)-allo-Threonine(28954-12-3).msds
Hazard InformationBack Directory
[Chemical Properties]

white to off-white crystalline powder
[Uses]

L-allo-Threonine is a reactant used in the synthesis of an antibiotic, globomycin, and its congener, SF-1902 A5.
[Definition]

ChEBI: L-allothreonine is the L-enantiomer of allothreonine. It has a role as an Escherichia coli metabolite and a Saccharomyces cerevisiae metabolite. It is an allothreonine and a L-alpha-amino acid. It is an enantiomer of a D-allothreonine. It is a tautomer of a L-allothreonine zwitterion.
[reaction suitability]

reaction type: solution phase peptide synthesis
Spectrum DetailBack Directory
[Spectrum Detail]

L(+)-allo-Threonine(28954-12-3)MS
L(+)-allo-Threonine(28954-12-3)Raman
L(+)-allo-Threonine(28954-12-3)IR
Well-known Reagent Company Product InformationBack Directory
[Acros Organics]

L(+)-allo-Threonine, 99%(28954-12-3)
[Alfa Aesar]

L-allo-Threonine, 99%(28954-12-3)
[Sigma Aldrich]

28954-12-3(sigmaaldrich)
[TCI AMERICA]

L-Allothreonine,>99.0%(LC)(28954-12-3)
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