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(2S)-2-({[(9H-Fluoren-9-yl)methoxy]carbonyl}amino)-2-methylpent-4-ynoic acid

(S)-2-((((9H-芴-9-基)甲氧基)羰基)氨基)-2-甲基戊-4-炔酸

Also known as: (S)-N-Fmoc-2-(2'-propynyl)alanine, (S)-N-Fmoc-α-propargylalanine, Fmoc-α-methyl-L-propargylglycine, (2S)-2-[[(9H-Fluoren-9-ylmethoxy)carbonyl]amino]-2-methyl-4-pentynoic acid, Fmoc-(S)-propargyl-Ala-OH

(2S)-2-({[(9H-Fluoren-9-yl)methoxy]carbonyl}amino)-2-methylpent-4-ynoic acid (CAS 1198791-58-0) 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. It is also known as (S)-N-Fmoc-2-(2'-propynyl)alanine, (S)-N-Fmoc-α-propargylalanine and Fmoc-α-methyl-L-propargylglycine. Key property: a density of 1.267±0.06 g/cm3. GHS signal word: Warning. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
1198791-58-0
Jingsj CID
J-1050274-9
Molecular Formula
C21H19NO4
Chinese Name
(S)-2-((((9H-芴-9-基)甲氧基)羰基)氨基)-2-甲基戊-4-炔酸
Molecular Weight
349.38000 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Density1.267±0.06 g/cm3

GHS Safety & Compliance

Environmental HazardSignal word: Warning

Frequently Asked Questions

What is the CAS number of (2S)-2-({[(9H-Fluoren-9-yl)methoxy]carbonyl}amino)-2-methylpent-4-ynoic acid?

The CAS number of (2S)-2-({[(9H-Fluoren-9-yl)methoxy]carbonyl}amino)-2-methylpent-4-ynoic acid is 1198791-58-0.

What are the molecular formula and molecular weight of (2S)-2-({[(9H-Fluoren-9-yl)methoxy]carbonyl}amino)-2-methylpent-4-ynoic acid?

(2S)-2-({[(9H-Fluoren-9-yl)methoxy]carbonyl}amino)-2-methylpent-4-ynoic acid has molecular formula C21H19NO4 and molecular weight 349.38000 g/mol.

Is (2S)-2-({[(9H-Fluoren-9-yl)methoxy]carbonyl}amino)-2-methylpent-4-ynoic acid hazardous?

(2S)-2-({[(9H-Fluoren-9-yl)methoxy]carbonyl}amino)-2-methylpent-4-ynoic acid has GHS signal word Warning.

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

Last updated:

How to cite: Jingsj. "(2S)-2-({[(9H-Fluoren-9-yl)methoxy]carbonyl}amino)-2-methylpent-4-ynoic acid (CAS 1198791-58-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1050274-9 (accessed 2026-10-24).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.