L-Abrine
- CAS No.
- 526-31-8
- Chemical Name:
- L-Abrine
- Synonyms
- ABRINE;N-METHYLTRYPTOPHAN;N-METHYL-L-TRYPTOPHAN;(S)-3-(1H-Indol-3-yl)-2-(methylamino)propionic acid;L-ABRINE;L-ABRINE;H-METRP-OH;ABRINE, L-;N-ME-TRP-OH;L-Abrine 99%
- CBNumber:
- CB1236662
- Molecular Formula:
- C12H14N2O2
- Molecular Weight:
- 218.25
- MDL Number:
- MFCD00005645
- MOL File:
- 526-31-8.mol
- MSDS File:
- SDS
- TDS File:
- TDS
| Melting point | >300 °C (dec.)(lit.) |
|---|---|
| alpha | D21 +44° (0.28 g in 10 ml 0.5N HCl) |
| Boiling point | 358.94°C (rough estimate) |
| 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 |
| Major Application | peptide synthesis |
| InChI | InChI=1S/C12H14N2O2/c1-13-11(12(15)16)6-8-7-14-10-5-3-2-4-9(8)10/h2-5,7,11,13-14H,6H2,1H3,(H,15,16)/t11-/m0/s1 |
| InChIKey | CZCIKBSVHDNIDH-NSHDSACASA-N |
| SMILES | C(O)(=O)[C@H](CC1C2=C(C=CC=C2)NC=1)NC |
| CAS DataBase Reference | 526-31-8(CAS DataBase Reference) |
| FDA UNII | P57TWL22IX |
| UNSPSC Code | 41116107 |
| NACRES | NA.22 |
SAFETY
Risk and Safety Statements
| Symbol(GHS) | ![]() GHS07 |
|||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Signal word | Warning | |||||||||
| Hazard statements | H302+H312+H332 | |||||||||
| Precautionary statements | P261-P264-P280-P301+P312-P302+P352+P312-P304+P340+P312 | |||||||||
| PPE | dust mask type N95 (US), Eyeshields, Gloves | |||||||||
| Hazard Codes | Xn | |||||||||
| Risk Statements | 20/21/22 | |||||||||
| Safety Statements | 36 | |||||||||
| WGK Germany | 3 | |||||||||
| HS Code | 29339900 | |||||||||
| Storage Class | 11 - Combustible Solids | |||||||||
| Hazard Classifications | Acute Tox. 4 Dermal Acute Tox. 4 Inhalation Acute Tox. 4 Oral |
|||||||||
| NFPA 704 |
|
L-Abrine price More Price(46)
| Manufacturer | Product number | Product description | CAS number | Packaging | Price | Updated | Buy |
|---|---|---|---|---|---|---|---|
| Sigma-Aldrich | 434248 | L-Abrine 99% | 526-31-8 | 1g | $691 | 2026-04-30 | Buy |
| TCI Chemical | A1489 | L-Abrine >98.0%(HPLC) | 526-31-8 | 200mg | $70 | 2021-12-16 | Buy |
| Cayman Chemical | 34914 | L-Abrine ≥98% | 526-31-8 | 25mg | $54 | 2026-04-30 | Buy |
| Cayman Chemical | 34914 | L-Abrine ≥98% | 526-31-8 | 50mg | $86 | 2026-04-30 | Buy |
| Cayman Chemical | 34914 | L-Abrine ≥98% | 526-31-8 | 100mg | $108 | 2026-04-30 | Buy |
L-Abrine Chemical Properties, Uses, Production
Chemical Properties
white to light grey crystalline powder or crystals
Uses
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.
reaction suitability
reaction type: solution phase peptide synthesis
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.]
L-Abrine Preparation Products And Raw materials
Raw materials
Preparation Products
| Supplier | Tel | Country | ProdList | Advantage | |
|---|---|---|---|---|---|
| J & K SCIENTIFIC LTD. | 18210857532 18210857532 | jkinfo@jkchemical.com | China | 96815 | 76 |
| Meryer (Shanghai) Chemical Technology Co., Ltd. | 4006356688 18621169109 | market03@meryer.com | China | 40202 | 62 |
| TCI (Shanghai) Development Co., Ltd. | 021-67121386 | Sales-CN@TCIchemicals.com | China | 24512 | 81 |
| Energy Chemical | 400-0056266 | sales8178@energy-chemical.com | China | 44850 | 61 |
| Shanghai Hanhong Scientific Co.,Ltd. | 021-54306202 13764082696 | info@hanhongsci.com | China | 42917 | 64 |
| Chemsky (shanghai) International Co.,Ltd | 021-50135380 | shchemsky@sina.com | China | 15350 | 60 |
| Syntechem Co.,Ltd | info@syntechem.com | China | 12973 | 57 | |
| Sichuan Kulinan Technology Co., Ltd | 400-1166-196 18981987031 | cdhxsj@163.com | China | 11674 | 57 |
| ChemPep, Inc. | +1 (888) 615-9178 / (561) 791-8787 | service@chempep.com | United States | 2138 | 57 |
| Jiangsu Aikon Biopharmaceutical R&D co.,Ltd. | 025-66113011 13913916777 | cfzhang@aikonchem.com | China | 19902 | 55 |
View Latest Price from L-Abrine manufacturers
| Image | Update time | Product | Price | Min. Order | Purity | Supply Ability | Manufacturer | |
|---|---|---|---|---|---|---|---|---|
![]() |
2026-04-22 | L-(+)-Abrine
526-31-8
|
98.71% | 10g | TargetMol Chemicals Inc. | |||
![]() |
2024-04-02 | L-(+)-Abrine
526-31-8
|
$2800.00 | 1g | 97 | 500 Kg | R&D Scientific Inc. | |
![]() |
2023-02-24 | Abrine
526-31-8
|
5mg | ≥98%(HPLC) | 10 g | Shanghai Standard Technology Co., Ltd. |
-

- L-(+)-Abrine
526-31-8
- $0.00
- 98.71%
- TargetMol Chemicals Inc.
-

- L-(+)-Abrine
526-31-8
- $2800.00
- 97
- R&D Scientific Inc.
-

- Abrine
526-31-8
- $0.00
- ≥98%(HPLC)
- Shanghai Standard Technology Co., Ltd.





