Fmoc-Cys(Bzl)-OH

Also known as: Fmoc-S-benzyl-L-cysteine, N-alpha-Fmoc-S-benzyl-L-cysteine, S-Benzyl-N-[(9H-fluoren-9-ylmethoxy)carbonyl]cysteine, (2R)-3-benzylsulfanyl-2-(9H-fluoren-9-ylmethoxycarbonylamino)propanoic acid, FMOC-CYSTEINE(BZL)-OH, FMOC-S-BENZYL-L-CYSTEINE, N-alpha-(9-Fluorenylmethyloxycarbonyl)-S-benzyl-L-cysteine, Cysteine, N-[(9H-fluoren-9-ylmethoxy)carbonyl]-S-(phenylmethyl)-, FMOC-(S)-2-AMINO-3-(S-BENZYLTHIO)PROPANOIC ACID, FMOC-(S)-BENZYL-L-CYS

Fmoc-Cys(Bzl)-OH (CAS 53298-33-2) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C25H23NO4S and a molecular weight of 433.519 g/mol. Key properties include a boiling point of 663.2±55.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 354.9±31.5 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 53298-33-2
Jingsj CID: J-1985972-4
Molecular Formula: C₂₅H₂₃NO₄S
Molecular Weight: 433.519 g/mol
Category: Organic Acids
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	663.2±55.0 °C at 760 mmHg
Density	1.3±0.1 g/cm3
Flash Point	354.9±31.5 °C
Exact Mass	433.134766
PSA	100.93000
LogP	6.38
Vapor Pressure	0.0±2.1 mmHg at 25°C
Refractive Index	1.645
Storage Conditions	Store at RT.

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 Fmoc-Cys(Bzl)-OH?

The CAS number of Fmoc-Cys(Bzl)-OH is 53298-33-2.

What are the molecular formula and molecular weight of Fmoc-Cys(Bzl)-OH?

Fmoc-Cys(Bzl)-OH has molecular formula C25H23NO4S and molecular weight 433.519 g/mol.

What are the upstream and downstream products of Fmoc-Cys(Bzl)-OH?

For Fmoc-Cys(Bzl)-OH, Upstream Products: S-Benzyl-L-cysteine, 9-Fluorenylmethyl pentafluorophenyl carbonate.

Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.

Last updated: 8/21/2026

How to cite: Jingsj. "Fmoc-Cys(Bzl)-OH (CAS 53298-33-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1985972-4 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.