N-Boc-S-Trityl-L-cysteine
Also known as: Boc-Cys(Trt)-OH, N-(tert-Butoxycarbonyl)-S-trityl-L-cysteine, Boc-S-trityl-L-cysteine, N-t-butoxycarbonyl-S-trityl-L-cysteine, N-[(1,1-Dimethylethoxy)carbonyl]-S-(triphenylmethyl)-L-cysteine, (2R)-2-[(2-methylpropan-2-yl)oxycarbonylamino]-3-tritylsulfanylpropanoic acid, (R)-2-(tert-Butoxycarbonylamino)-3-(tritylthio)propanoic acid, Boc-S-Trityl-Cys-OH, S-trityl-N-Boc-(R)-cysteine, N-[(1,1-Dimethylethoxy)carbonyl]-S-trityl-L-cysteine, L-Cysteine, N-[(1,1-dimethylethoxy)carbonyl]-S-(triphenylmethyl)-
N-Boc-S-Trityl-L-cysteine (CAS 21947-98-8) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C27H29NO4S and a molecular weight of 463.589 g/mol. Key properties include a melting point of 143-146 °C(lit.), a boiling point of 610.9±55.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 323.3±31.5 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 21947-98-8
- Jingsj CID
- J-1095769-4
- Molecular Formula
- C27H29NO4S
- Molecular Weight
- 463.589 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 143-146 °C(lit.) |
|---|---|
| Boiling Point | 610.9±55.0 °C at 760 mmHg |
| Density | 1.2±0.1 g/cm3 |
| Flash Point | 323.3±31.5 °C |
| Exact Mass | 463.181732 |
| PSA | 100.93000 |
| LogP | 7.52 |
| Vapor Pressure | 0.0±1.8 mmHg at 25°C |
| Refractive Index | 1.596 |
| Storage Conditions | 2-8℃ |
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. |
|---|
Frequently Asked Questions
What is the CAS number of N-Boc-S-Trityl-L-cysteine?
The CAS number of N-Boc-S-Trityl-L-cysteine is 21947-98-8.
What are the molecular formula and molecular weight of N-Boc-S-Trityl-L-cysteine?
N-Boc-S-Trityl-L-cysteine has molecular formula C27H29NO4S and molecular weight 463.589 g/mol.
What are the upstream and downstream products of N-Boc-S-Trityl-L-cysteine?
For N-Boc-S-Trityl-L-cysteine, Upstream Products: Di-tert-butyl dicarbonate, S-Trityl-L-cysteine, Triphenylmethyl chloride; Downstream Products: Boc-Cys(NPys)-OH, N,N'-Bis(tert-butoxycarbonyl)-L-cystine.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "N-Boc-S-Trityl-L-cysteine (CAS 21947-98-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1095769-4 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.