(2S)-2-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)hex-5-ynoic acid

Also known as: FMoc-Hpg-OH, FMoc-HomoGly(Propargyl)-OH, Fmoc-L-homopropargylglycine, (2S)-2-[[(9H-Fluoren-9-ylmethoxy)carbonyl]amino]-5-hexynoic acid, (2S)-2-{[(9H-Fluoren-9-ylmethoxy)carbonyl]amino}-5-hexynoic acid, (9H-Fluoren-9-yl)MethOxy]Carbonyl HomoGly(Propargyl)-OH, (S)-2-(((9H-FLUOREN-9-YL)METHOXY)CARBONYLAMINO)HEX-5-YNOIC ACID, 5-Hexynoic acid, 2-[[(9H-fluoren-9-ylmethoxy)carbonyl]amino]-, (2S)-, FMoc-HoMoGly(Propargyl)-OH

(2S)-2-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)hex-5-ynoic acid (CAS 942518-21-0) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C21H19NO4 and a molecular weight of 349.38000 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.: 942518-21-0
Jingsj CID: J-1052451-3
Molecular Formula: C₂₁H₁₉NO₄
Molecular Weight: 349.38000 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	349.13100
PSA	79.12000
LogP	3.59610
Additional Property	Insuluble (4.9E-3 g/L) (25 ºC)

Frequently Asked Questions

What is the CAS number of (2S)-2-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)hex-5-ynoic acid?

The CAS number of (2S)-2-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)hex-5-ynoic acid is 942518-21-0.

What are the molecular formula and molecular weight of (2S)-2-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)hex-5-ynoic acid?

(2S)-2-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)hex-5-ynoic acid has molecular formula C21H19NO4 and molecular weight 349.38000 g/mol.

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. "(2S)-2-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)hex-5-ynoic acid (CAS 942518-21-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1052451-3 (accessed 2026-11-09).

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