S-Trityl-L-cysteine

S-三苯甲基-L-半胱氨酸

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. It is also known as S-Tritylcysteine, S-Triphenylmethyl-L-cysteine and H-Cys(Trt)-OH. 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. GHS signal word: Warning. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
2799-07-7
Jingsj CID
J-8829-7
Molecular Formula
C22H21NO2S
Chinese Name
S-三苯甲基-L-半胱氨酸
Molecular Weight
363.47 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Melting Point182-183 °C (dec.)(lit.)
Boiling Point524.7±50.0 °C at 760 mmHg
Density1.2±0.1 g/cm3
Flash Point271.2±30.1 °C

GHS Safety & Compliance

IrritantSignal word: Warning

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.

Data compiled from public chemical databases 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-8829-7 (accessed 2026-10-22).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.