Fmoc-N-methyl-L-methionine

Also known as: Fmoc-N-Me-L-Met-OH, N-[(9H-Fluoren-9-ylmethoxy)carbonyl]-N-methyl-L-methionine, (2S)-2-[9H-fluoren-9-ylmethoxycarbonyl(methyl)amino]-4-methylsulfanylbutanoic acid, Fmoc-N-methyl-L-methionine

Fmoc-N-methyl-L-methionine (CAS 84000-12-4) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C21H23NO4S and a molecular weight of 385.47700 g/mol. Key property: a density of 1.265±0.06 g/cm3. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 84000-12-4
Jingsj CID: J-1390339-4
Molecular Formula: C₂₁H₂₃NO₄S
Molecular Weight: 385.47700 g/mol
Category: Organic Acids
Last updated: 8/21/2026

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Physicochemical Properties

Density	1.265±0.06 g/cm3
Exact Mass	385.13500
PSA	92.14000
LogP	4.07360
Storage Conditions	2-8°C
Additional Property	Practically insoluble (0.015 g/L) (25 ºC)

Frequently Asked Questions

What is the CAS number of Fmoc-N-methyl-L-methionine?

The CAS number of Fmoc-N-methyl-L-methionine is 84000-12-4.

What are the molecular formula and molecular weight of Fmoc-N-methyl-L-methionine?

Fmoc-N-methyl-L-methionine has molecular formula C21H23NO4S and molecular weight 385.47700 g/mol.

What are the upstream and downstream products of Fmoc-N-methyl-L-methionine?

For Fmoc-N-methyl-L-methionine, Upstream Products: Fmoc-L-methionine.

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-N-methyl-L-methionine (CAS 84000-12-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1390339-4 (accessed 2026-11-09).

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