S-Trityl-L-cysteine
Also known as: S-Tritylcysteine, S-Triphenylmethyl-L-cysteine, H-Cys(Trt)-OH, Cys(Trt)-OH, Tritylthioalanine, 3-Tritylthio-L-alanine, (2S)-2-Ammonio-3-(tritylsulfanyl)propanoate, MFCD00002611, EINECS 218-195-8
S-Trityl-L-cysteine (CAS 2799-07-7) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C22H21NO2S and a molecular weight of 363.47 g/mol. Key properties include a melting point of 182-183 °C (dec.)(lit.), a boiling point of 524.7±50.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 271.2±30.1 °C. It is classified under GHS with signal word Warning and hazard statements H302 — Harmful if swallowed. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 2799-07-7
- Jingsj CID
- J-8829-9
- Molecular Formula
- C22H21NO2S
- Molecular Weight
- 363.47 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 182-183 °C (dec.)(lit.) |
|---|---|
| Boiling Point | 524.7±50.0 °C at 760 mmHg |
| Density | 1.2±0.1 g/cm3 |
| Flash Point | 271.2±30.1 °C |
| Exact Mass | 363.129303 |
| PSA | 88.62000 |
| LogP | 5.56 |
| Vapor Pressure | 0.0±1.4 mmHg at 25°C |
| Refractive Index | 1.642 |
GHS Safety & Compliance
- H302 — Harmful if swallowed
Activity & Biological Data
| Target | Eg5 |
|---|---|
| Additional Information | [1]. Wei Wu, et al. S-trityl-L-cysteine, a novel Eg5 inhibitor, is a potent chemotherapeutic strategy in neuroblastoma. Oncol Lett. 2018 Jul;16(1):1023-1030. [2]. Salvatore DeBonis, et al. In vitro screening for inhibitors of the human mitotic kinesin Eg5 with antimitotic and antitumor activities. Mol Cancer Ther. 2004 Sep;3(9):1079-90. |
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-Trityl-L-cysteine?
The CAS number of S-Trityl-L-cysteine is 2799-07-7.
What are the molecular formula and molecular weight of S-Trityl-L-cysteine?
S-Trityl-L-cysteine has molecular formula C22H21NO2S and molecular weight 363.47 g/mol.
Is S-Trityl-L-cysteine hazardous?
S-Trityl-L-cysteine has GHS signal word Warning and hazard statements H302 — Harmful if swallowed.
What are the upstream and downstream products of S-Trityl-L-cysteine?
For S-Trityl-L-cysteine, Upstream Products: Triphenylmethanol, L-Cysteine hydrochloride anhydrous, Triphenylmethyl chloride; Downstream Products: L-Cysteine, Triphenylmethane, N-Boc-S-Trityl-L-cysteine.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "S-Trityl-L-cysteine (CAS 2799-07-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-8829-9 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.