28954-12-3
Product Name:
L(+)-allo-Threonine
Formula:
C4H9NO3
Synonyms:
(2S,3S)-2-Amino-3-hydroxybutyric acid
Inquiry
CHEMICAL AND PHYSICAL PROPERTIES
| Physical Description | Solid |
|---|---|
| Melting Point | 256 °C |
| Collision Cross Section | 119.3 Ų [M-H]- [CCS Type: DT, Method: single field calibrated with ESI Low Concentration Tuning Mix (Agilent)] |
SAFETY INFORMATION
| Signal word | Warning |
|---|---|
| Pictogram(s) |
 Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H302:Acute toxicity,oral H315:Skin corrosion/irritation H319:Serious eye damage/eye irritation |
| Precautionary Statement Codes |
P264:Wash hands thoroughly after handling. P264:Wash skin thouroughly after handling. P270:Do not eat, drink or smoke when using this product. P280:Wear protective gloves/protective clothing/eye protection/face protection. P302+P352:IF ON SKIN: wash with plenty of soap and water. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. P332+P313:IF SKIN irritation occurs: Get medical advice/attention. P337+P313:IF eye irritation persists: Get medical advice/attention. |
COMPUTED DESCRIPTORS
| Molecular Weight | 119.12 g/mol |
|---|---|
| XLogP3 | -2.9 |
| Hydrogen Bond Donor Count | 3 |
| Hydrogen Bond Acceptor Count | 4 |
| Rotatable Bond Count | 2 |
| Exact Mass | 119.058243149 g/mol |
| Monoisotopic Mass | 119.058243149 g/mol |
| Topological Polar Surface Area | 83.6 Ų |
| Heavy Atom Count | 8 |
| Formal Charge | 0 |
| Complexity | 93.3 |
| Isotope Atom Count | 0 |
| Defined Atom Stereocenter Count | 2 |
| Undefined Atom Stereocenter Count | 0 |
| Defined Bond Stereocenter Count | 0 |
| Undefined Bond Stereocenter Count | 0 |
| Covalently-Bonded Unit Count | 1 |
| Compound Is Canonicalized | Yes |
PRODUCT INTRODUCTION
description
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.