L-ABRINE
Synonym(s):Nα-Methyl-L -tryptophan;L -Abrine
- CAS NO.：526-31-8
- Empirical Formula: C12H14N2O2
- Molecular Weight: 218.25
- MDL number: MFCD00005645
- EINECS: 208-388-5
- SAFETY DATA SHEET (SDS)
- Update Date: 2024-07-02 08:55:00
What is L-ABRINE?
Chemical properties
white to light grey crystalline powder or crystals
The Uses of L-ABRINE
L-Abrine is an indoleamino acid that displays radical scavenging and antioxidant properties.
Definition
ChEBI: A N-methyl-L-alpha-amino acid that is the Nalpha-methyl derivative of L-tryptophan.
Biochem/physiol Actions
An indoleamino acid that shows radical scavenging and antioxidant properties in vitro.
Purification Methods
Crystallise L-abrine from H2O or EtOH/H2O mixture and dry it for 2days at 60o in high vacuum; it has m 275-290o(dec with browning at 230o) and [] D +47.2o (c 2, 0.5N HCl) [Peter et al. Helv Chim Acta 46 577 1963]. [Gregory & Morley J Chem Soc 913 1968, Beilstein 22/14 V 40.]
Properties of L-ABRINE
| Melting point: | >300 °C (dec.)(lit.) |
| Boiling point: | 358.94°C (rough estimate) |
| alpha | D21 +44° (0.28 g in 10 ml 0.5N HCl) |
| Density | 1.272±0.06 g/cm3 (20 ºC 760 Torr) |
| refractive index | 65 ° (C=1, 0.5mol/L NaOH) |
| storage temp. | under inert gas (nitrogen or Argon) at 2–8 °C |
| solubility | H2O : 2 mg/mL (9.16 mM; ultrasonic and adjust pH to 10 with NaOH) |
| form | Cryst. |
| pka | 2.32±0.10(Predicted) |
| color | Off-white to light yellow |
| optical activity | [α]20/D +65°, c = 1 in 0.5 M NaOH |
| Merck | 14,10 |
| BRN | 86638 |
| CAS DataBase Reference | 526-31-8(CAS DataBase Reference) |
Safety information for L-ABRINE
| Signal word | Warning |
| Pictogram(s) |
 Exclamation Mark Irritant GHS07 |
| Precautionary Statement Codes |
P261:Avoid breathing dust/fume/gas/mist/vapours/spray. P264:Wash hands thoroughly after handling. P264:Wash skin thouroughly after handling. P280:Wear protective gloves/protective clothing/eye protection/face protection. P301+P312:IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell. |
Computed Descriptors for L-ABRINE
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