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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.

The new ECHA CHEM database has been released by ECHA, and it now contains all REACH registration data. There are more details on the transition of ECHA's published data to ECHA CHEM here.

Diss Factsheets

Reference substances

Reference substances

Currently viewing:
IUPAC name:
L-threonine

Inventory

EC number:
200-774-1
EC name:
L-threonine
CAS number:
72-19-5
CAS number:
72-19-5
Synonyms
Names:
(S)-Threonine
2-Amino-3-hydroxybutanoic acid
2-Amino-3-hydroxybutyric acid
Butanoic acid, 2-amino-3-hydroxy-, [R-(R*,S*)]-
L-(-)-Threonine
L-Threonine
Threonin
[R-(R*,S*)]-2-Amino-3-hydroxybutanoic acid
Identifier:
IUPAC name
(2S,3R)-2-Amino-3-hydroxybutyric acid
Identifier:
other: Molecular formula
C4H9NO3
Identifier:
other: SMILES notation
CC(C(C(=O)O)N)O
Identifier:
other: SMILES notation
CC(O)[C@H](N)C(O)=O
Identifier:
other: InChl
InChI=1S/C4H9NO3/c1-2(6)3(5)4(7)8/h2-3,6H,5H2,1H3,(H,7,8)/t2,3-/m0/s1
Identifier:
other: InChl
InChI=1S/C4H9NO3/c1-2(6)3(5)4(7)8/h2-3,6H,5H2,1H3,(H,7,8)/t2?,3-/m0/s1 AuxInfo=1/1/N:8,4,1,2,5,7,3,6/E:(7,8)/it:im/rA:8C.eCOCNOOC/rB:s1;d2;s1;s1;s2;s4;s4;/rC:2.6559,-2.3233,0;4.0078,-1.5721,0;5.36,-2.3233,0;1.3414,-1.54,0;2.6292,-3.863,0;4.0295,-.0054,0;0,-2.3124,0;1.336,0,0;
L-threonine

Molecular and structural information

Molecular formula:
C4H9NO3
Molecular weight:
119.119
SMILES notation:
CC(O)[C@H](N)C(=O)O
InChl:
InChI=1/C4H9NO3/c1-2(6)3(5)4(7)8/h2-3,6H,5H2,1H3,(H,7,8)
Structural formula:
Chemical structure

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