S-(2-Aminoethyl)-L-cysteine hydrochloride
S-(2-氨基乙基)-L-半胱氨酸盐酸盐
Also known as: S-(2-Aminoethyl)-L-cysteine monohydrochloride, 3-((2-aminoethyl)thio)-, monohydrochloride, l-alanine, L-4-thialysine hydrochloride, Thialysine hydrochloride, S-(β-aminoethyl)-L-cysteine hydrochloride, NSC 186915, H-Cys(aminoethyl)-OH HCl, MFCD00036385, EINECS 223-862-1, lj226, usafxr-43
S-(2-Aminoethyl)-L-cysteine hydrochloride (CAS 4099-35-8) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C5H13ClN2O2S and a molecular weight of 200.68700 g/mol. It is also known as S-(2-Aminoethyl)-L-cysteine monohydrochloride, 3-((2-aminoethyl)thio)-, monohydrochloride, l-alanine and L-4-thialysine hydrochloride. Key properties include a boiling point of 341.1ºC at 760 mmHg, a density of 1.289g/cm3 and a flash point of 160.1ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 4099-35-8
- Jingsj CID
- J-1117212-5
- Molecular Formula
- C5H13ClN2O2S
- Chinese Name
- S-(2-氨基乙基)-L-半胱氨酸盐酸盐
- Molecular Weight
- 200.68700 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 341.1ºC at 760 mmHg |
|---|---|
| Density | 1.289g/cm3 |
| Flash Point | 160.1ºC |
| Exact Mass | 200.03900 |
| PSA | 114.64000 |
| LogP | 1.29280 |
| Refractive Index | 1.57 |
Activity & Biological Data
| Additional Information | [1]. Luckose F, et al. Effects of amino acid derivatives on physical, mental, and physiological activities. Crit Rev Food Sci Nutr. 2015;55(13):1793-807. |
|---|
Customs & Trade Information
| HS Code | 2930909090 |
|---|---|
| Summary | 2930909090. other organo-sulphur compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0% |
Frequently Asked Questions
What is the CAS number of S-(2-Aminoethyl)-L-cysteine hydrochloride?
The CAS number of S-(2-Aminoethyl)-L-cysteine hydrochloride is 4099-35-8.
What are the molecular formula and molecular weight of S-(2-Aminoethyl)-L-cysteine hydrochloride?
S-(2-Aminoethyl)-L-cysteine hydrochloride has molecular formula C5H13ClN2O2S and molecular weight 200.68700 g/mol.
What are the upstream and downstream products of S-(2-Aminoethyl)-L-cysteine hydrochloride?
For S-(2-Aminoethyl)-L-cysteine hydrochloride, Upstream Products: Cysteamine hydrochloride.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "S-(2-Aminoethyl)-L-cysteine hydrochloride (CAS 4099-35-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1117212-5 (accessed 2026-10-28).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.