L-Abrine
Also known as: Nα-Methyl-L-tryptophan, N-Methyl-L-tryptophan, L-N-Methyltryptophan, Abrine, MFCD00005645, EINECS 208-388-5
L-Abrine (CAS 526-31-8) is a compound in the Organic Bases category listed in the Jingsj chemical database. It has the molecular formula C12H14N2O2 and a molecular weight of 218.252 g/mol. Key properties include a melting point of >300 °C (dec.)(lit.), a boiling point of 439.1±35.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 219.4±25.9 °C. It is classified under GHS with signal word Warning and hazard statements H302 — Harmful if swallowed, H312 — Harmful in contact with skin and H332 — Harmful if inhaled. No supplier offers are currently listed; request a quote. Record last updated Nov 3, 2026.
- CAS No.
- 526-31-8
- Jingsj CID
- J-1001699-6
- Molecular Formula
- C12H14N2O2
- Molecular Weight
- 218.252 g/mol
- Category
- Organic Bases
- Last updated
- 11/3/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | >300 °C (dec.)(lit.) |
|---|---|
| Boiling Point | 439.1±35.0 °C at 760 mmHg |
| Density | 1.3±0.1 g/cm3 |
| Flash Point | 219.4±25.9 °C |
| Exact Mass | 218.105530 |
| PSA | 65.12000 |
| LogP | 1.18 |
| Vapor Pressure | 0.0±1.1 mmHg at 25°C |
| Refractive Index | 1.649 |
GHS Safety & Compliance
- H302 — Harmful if swallowed
- H312 — Harmful in contact with skin
- H332 — Harmful if inhaled
Activity & Biological Data
| Additional Information | [1]. Cho H, et al. A portable and chromogenic enzyme-based sensor for detection of abrin poisoning. Biosens Bioelectron. 2014 Apr 15;54:667-73. [2]. Johnson RC, et al. Quantification of L-abrine in human and rat urine: a biomarker for the toxin abrin. J Anal Toxicol. 2009 Mar;33(2):77-84. |
|---|
Customs & Trade Information
| HS Code | 2933990090 |
|---|---|
| Summary | 2933990090. heterocyclic compounds with nitrogen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0% |
Frequently Asked Questions
What is the CAS number of L-Abrine?
The CAS number of L-Abrine is 526-31-8.
What are the molecular formula and molecular weight of L-Abrine?
L-Abrine has molecular formula C12H14N2O2 and molecular weight 218.252 g/mol.
Is L-Abrine hazardous?
L-Abrine has GHS signal word Warning and hazard statements H302 — Harmful if swallowed; H312 — Harmful in contact with skin; H332 — Harmful if inhaled.
What are the upstream and downstream products of L-Abrine?
For L-Abrine, Downstream Products: Nω-methyltryptamine, 3-Methoxymethylindole.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "L-Abrine (CAS 526-31-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1001699-6 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.