D-Threonine

HCID 69435CAS 144-98-9

Basic information

Standard SMILES
C[C@H](O)[C@@H](N)C(=O)O
InChIKey
AYFVYJQAPQTCCC-STHAYSLISA-N
Molecular formula
C4H9NO3
Average molar mass
119.12 g/mol
Monoisotopic mass
119.05824315

Overview

D-threonine is an optically active form of threonine having D-configuration. It has a role as a Saccharomyces cerevisiae metabolite. It is a D-alpha-amino acid and a threonine. It is a conjugate base of a D-threoninium. It is a conjugate acid of a D-threoninate. It is an enantiomer of a L-threonine. It is a tautomer of a D-threonine zwitterion.

Names & identifiers

Preferred name
D-Threonine
IUPAC
(2R,3S)-2-amino-3-hydroxybutanoic acid

Names & synonyms

D-threonine632-20-2(2R,3S)-2-amino-3-hydroxybutanoic acid(R)-ThreonineThreonine, D-D-ThreoninD-2-Amino-3-hydroxybutyric acidSG6FYY47DDEINECS 211-171-8NSC 46702BRN 1721643CHEBI:16398
Show more names
DTXSID708590874-04-00-03171 (Beilstein Handbook Reference)NSC-46702(R)ThreonineThreonine, DRefChem:585113DTXCID801323023211-171-8

Database identifiers

CAS
144-98-9、24830-94-2、632-20-2、80-68-2
PubChem CID
69435
DTXSID
DTXSID70859087
ChEMBL
CHEMBL1232386
ChEBI
CHEBI:16398
UNII
SG6FYY47DD
EC Number
201-300-6、205-645-3、211-171-8、246-488-0
Nikkaji
J9.180D

Properties

Computed structural properties

XLogP
-2.9
Topological polar surface area
83.6 Ų
Hydrogen bond donors
3
Hydrogen bond acceptors
4
Rotatable bonds
2
Heavy atoms
8

Experimental & physicochemical properties

Chemical Classes · 2 items

Biological Agents -> Amino Acids and Derivatives

Biological Agents -> Amino Acids and Derivatives

Physical Description · 2 items

White crystalline solid; [Sigma-Aldrich MSDS]

Hemihydrate: Solid; [Merck Index] White powder; [Sigma-Aldrich MSDS]

Safety & regulation

GHS classification

GHS Classification · 6 items

This chemical does not meet GHS hazard criteria for 92.2% (214 of 232) of all reports.

Not Classified

Aggregated GHS information provided per 232 reports by companies from 2 notifications to the ECHA C&L Inventory.

This chemical does not meet GHS hazard criteria for 5% (1 of 20) of reports.

Warning

H302 (90%): Harmful if swallowed [Warning Acute toxicity, oral]

Hazard information

Regulatory InformationChemical: DL-Threonine
Other Safety InformationIMAP assessments - DL-Threonine: Environment tier I assessment
Hazards Summary · 2 items

Causes muscle contraction or spasticity, dyspnea, and decreased body temperature in intraperitoneal lethal-dose studies of rats (LD50 = 5,361 mg/kg); [RTECS] May cause irritation; [Sigma-Aldrich MSDS]

May cause irritation; [Sigma-Aldrich MSDS]

Hazard Classes and Categories · 3 items

Acute Tox. 3 (90%)

Not Classified

Not Classified

Chemistry & industry

Uses & manufacturing

Uses · 2 items

Threonine is an essential amino acid; [Merck Index]

An essential amino acid; [Merck Index]

Related reactions

73 records

Linked notes

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