Fmoc-Dab(Boc)-OH

Also known as: (S)-4-(Boc-amino)-2-(Fmoc-amino)butyric acid, Nα-Fmoc-Nγ-Boc-L-2,4-diaminobutyric acid, Fmoc-Nγ-Boc-L-2,4-diaminobutyric acid, Fmoc-L-Dab(Boc)-OH, Fmoc-(N-gamma-Boc)-L-alpha,gamma-diaminobutyric acid, MFCD00151941, (2S)-2-{[(9H-Fluoren-9-ylmethoxy)carbonyl]amino}-4-({[(2-methyl-2-propanyl)oxy]carbonyl}amino)butanoic acid, (S)-2-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-4-((tert-butoxycarbonyl)amino)butanoic acid

Fmoc-Dab(Boc)-OH (CAS 125238-99-5) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C24H28N2O6 and a molecular weight of 440.489 g/mol. Key properties include a boiling point of 669.4±55.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 358.7±31.5 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 125238-99-5
Jingsj CID: J-1367-2
Molecular Formula: C₂₄H₂₈N₂O₆
Molecular Weight: 440.489 g/mol
Category: Organic Acids
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	669.4±55.0 °C at 760 mmHg
Density	1.3±0.1 g/cm3
Flash Point	358.7±31.5 °C
Exact Mass	440.194733
PSA	113.96000
LogP	5.40
Vapor Pressure	0.0±2.1 mmHg at 25°C
Refractive Index	1.584

Customs & Trade Information

HS Code	2924299090
Summary	2924299090. other cyclic amides (including cyclic carbamates) and their derivatives; salts thereof. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0%

Frequently Asked Questions

What is the CAS number of Fmoc-Dab(Boc)-OH?

The CAS number of Fmoc-Dab(Boc)-OH is 125238-99-5.

What are the molecular formula and molecular weight of Fmoc-Dab(Boc)-OH?

Fmoc-Dab(Boc)-OH has molecular formula C24H28N2O6 and molecular weight 440.489 g/mol.

What are the upstream and downstream products of Fmoc-Dab(Boc)-OH?

For Fmoc-Dab(Boc)-OH, Upstream Products: Di-tert-butyl dicarbonate, (S)-2-(Fmoc-amino)-4-aminobutanoic acid, Nalpha-FMOC-L-Glutamine.

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-Dab(Boc)-OH (CAS 125238-99-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1367-2 (accessed 2026-11-09).

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