L-Ethionine
L-乙硫氨酸
Also known as: S-Ethyl-L-homocysteine, L-Homocysteine, S-ethyl-, L-2-Amino-4-(ethylthio)butyric acid, (S)-2-amino-4-(ethylthio)butanoic acid, (2S)-2-amino-4-(ethylsulfanyl)butanoic acid, H-ETH-OH, MFCD00002626, NSC 82393, a-Amino-g-(ethylmercapto)butyric Acid
L-Ethionine (CAS 13073-35-3) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C6H13NO2S and a molecular weight of 163.24 g/mol. It is also known as S-Ethyl-L-homocysteine, L-Homocysteine, S-ethyl- and L-2-Amino-4-(ethylthio)butyric acid. Key properties include a melting point of 280ºC (dec.)(lit.), a boiling point of 310.4±37.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 141.5±26.5 °C. GHS signal word: Warning. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 13073-35-3
- Jingsj CID
- J-39806-6
- Molecular Formula
- C6H13NO2S
- Chinese Name
- L-乙硫氨酸
- Molecular Weight
- 163.24 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 280ºC (dec.)(lit.) |
|---|---|
| Boiling Point | 310.4±37.0 °C at 760 mmHg |
| Density | 1.2±0.1 g/cm3 |
| Flash Point | 141.5±26.5 °C |
GHS Safety & Compliance
Frequently Asked Questions
What is the CAS number of L-Ethionine?
The CAS number of L-Ethionine is 13073-35-3.
What are the molecular formula and molecular weight of L-Ethionine?
L-Ethionine has molecular formula C6H13NO2S and molecular weight 163.24 g/mol.
Is L-Ethionine hazardous?
L-Ethionine has GHS signal word Warning.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "L-Ethionine (CAS 13073-35-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-39806-6 (accessed 2026-10-22).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.