2-(9H-Fluoren-9-ylmethoxycarbonylamino)-3-hydroxy-butanoic acid
Synonym(s):Fmoc-L -threonine monohydrate
- CAS NO.：73731-37-0
- Empirical Formula: C19H19NO5
- Molecular Weight: 341.36
- MDL number: MFCD00077072
- EINECS: 1533716-785-6
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-01-13 11:27:05
What is 2-(9H-Fluoren-9-ylmethoxycarbonylamino)-3-hydroxy-butanoic acid?
Chemical properties
White powder
The Uses of 2-(9H-Fluoren-9-ylmethoxycarbonylamino)-3-hydroxy-butanoic acid
N-Fmoc-L-threonine is an N-Fmoc-protected form of L-Threonine (T405500). L-Threonine is an essential amino acid that is commonly used as a feed and food additive. L-Threonine is produced in mass quantities by mutant Escherichia coli strains for research and food nutrition purposes. L-Threonine can be naturally found in fish and poultry, and is incorporated in some important proteins in the human body (such as hemoglobin and insulin).
Properties of 2-(9H-Fluoren-9-ylmethoxycarbonylamino)-3-hydroxy-butanoic acid
| Melting point: | 115°C (dec.) |
| Boiling point: | 596.5±50.0 °C(Predicted) |
| alpha | -16 º (c=1%, DMF) |
| Density | 1.327±0.06 g/cm3(Predicted) |
| refractive index | -15.5 ° (C=1, DMF) |
| storage temp. | 2-8°C |
| solubility | soluble in Methanol |
| form | powder to crystal |
| pka | 3.49±0.10(Predicted) |
| color | White to Almost white |
| optical activity | [α]20/D 16±1°, c = 1% in DMF |
| BRN | 4300093 |
| CAS DataBase Reference | 73731-37-0(CAS DataBase Reference) |
Safety information for 2-(9H-Fluoren-9-ylmethoxycarbonylamino)-3-hydroxy-butanoic acid
| 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 H335:Specific target organ toxicity, single exposure;Respiratory tract irritation |
| Precautionary Statement Codes |
P261:Avoid breathing dust/fume/gas/mist/vapours/spray. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. |
Computed Descriptors for 2-(9H-Fluoren-9-ylmethoxycarbonylamino)-3-hydroxy-butanoic acid
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