Fmoc-Cys(Xan)-OH

Also known as: Fmoc-L-Cys(Xan)-OH, N-[(9H-Fluoren-9-ylmethoxy)carbonyl]-S-9H-xanthen-9-yl-L-cysteine, Fmoc-S-xanthyl-L-cysteine, (2R)-2-(9H-fluoren-9-ylmethoxycarbonylamino)-3-(9H-xanthen-9-ylsulfanyl)propanoic acid, 9-Fluorenylmethoxycarbonyl-S-xanthyl-L-cysteine

Fmoc-Cys(Xan)-OH (CAS 186829-25-4) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C31H25NO5S and a molecular weight of 523.59900 g/mol. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 186829-25-4
Jingsj CID: J-1457723-2
Molecular Formula: C₃₁H₂₅NO₅S
Molecular Weight: 523.59900 g/mol
Category: Organic Acids
Last updated: 8/21/2026

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Physicochemical Properties

Exact Mass	523.14500
PSA	110.16000
LogP	6.99770

Frequently Asked Questions

What is the CAS number of Fmoc-Cys(Xan)-OH?

The CAS number of Fmoc-Cys(Xan)-OH is 186829-25-4.

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

Fmoc-Cys(Xan)-OH has molecular formula C31H25NO5S and molecular weight 523.59900 g/mol.

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

For Fmoc-Cys(Xan)-OH, Upstream Products: Xanthydrol, Fmoc-OSu, N,N'-Bis[(9H-fluoren-9-ylmethoxy)carbonyl]-L-cystine.

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(Xan)-OH (CAS 186829-25-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1457723-2 (accessed 2026-11-09).

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