Fmoc-O-trityl-L-serine

Also known as: Fmoc-Ser(Trt)-OH, Fmoc-L-Ser(Trt)-OH, N-(9-Fluorenylmethoxycarbonyl)-O-trityl-L-serine, N-[(9H-Fluoren-9-ylmethoxy)carbonyl]-O-trityl-L-serine, L-Serine, N-[(9H-fluoren-9-ylmethoxy)carbonyl]-O-(triphenylmethyl)-, (2S)-2-(9H-fluoren-9-ylmethoxycarbonylamino)-3-trityloxypropanoic acid, Fmoc-Ser(OTrt)-OH, Fmoc-L-Ser(OTrt)-OH

Fmoc-O-trityl-L-serine (CAS 111061-56-4) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C37H31NO5 and a molecular weight of 569.646 g/mol. Key properties include a melting point of 200-210 °C (dec.), a boiling point of 750.4±60.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 407.6±32.9 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 111061-56-4
Jingsj CID: J-45630-4
Molecular Formula: C₃₇H₃₁NO₅
Molecular Weight: 569.646 g/mol
Category: Organic Acids
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	200-210 °C (dec.)
Boiling Point	750.4±60.0 °C at 760 mmHg
Density	1.3±0.1 g/cm3
Flash Point	407.6±32.9 °C
Exact Mass	569.220215
PSA	84.86000
LogP	10.32
Vapor Pressure	0.0±2.6 mmHg at 25°C
Refractive Index	1.639

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):1793-1144.

Frequently Asked Questions

What is the CAS number of Fmoc-O-trityl-L-serine?

The CAS number of Fmoc-O-trityl-L-serine is 111061-56-4.

What are the molecular formula and molecular weight of Fmoc-O-trityl-L-serine?

Fmoc-O-trityl-L-serine has molecular formula C37H31NO5 and molecular weight 569.646 g/mol.

What are the upstream and downstream products of Fmoc-O-trityl-L-serine?

For Fmoc-O-trityl-L-serine, Upstream Products: 9-Fluorenylmethyl chloroformate; Downstream Products: Fmoc-Ser-OtBu.

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-O-trityl-L-serine (CAS 111061-56-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-45630-4 (accessed 2026-11-09).

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