Boc-L-2,4-diaminobutyric acid

(S)-4-氨基-2-(叔丁氧羰基氨基)丁酸

Also known as: (S)-4-Amino-2-(tert-butoxycarbonylamino)butanoic acid, (S)-4-Amino-2-(Boc-amino)butyric acid, (S)-Nα-Boc-2,4-diaminobutyric acid, Boc-Dab-OH, (S)-4-Amino-2-(tert-butoxycarbonylamino)butyric acid

Boc-L-2,4-diaminobutyric acid (CAS 25691-37-6) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C9H18N2O4 and a molecular weight of 218.250 g/mol. It is also known as (S)-4-Amino-2-(tert-butoxycarbonylamino)butanoic acid, (S)-4-Amino-2-(Boc-amino)butyric acid and (S)-Nα-Boc-2,4-diaminobutyric acid. Key properties include a melting point of 202 °C(dec.), a boiling point of 385.1±42.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 186.7±27.9 °C. GHS signal word: Danger. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
25691-37-6
Jingsj CID
J-31929-4
Molecular Formula
C9H18N2O4
Chinese Name
(S)-4-氨基-2-(叔丁氧羰基氨基)丁酸
Molecular Weight
218.250 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Melting Point202 °C(dec.)
Boiling Point385.1±42.0 °C at 760 mmHg
Density1.2±0.1 g/cm3
Flash Point186.7±27.9 °C

GHS Safety & Compliance

CorrosionSignal word: Danger

Frequently Asked Questions

What is the CAS number of Boc-L-2,4-diaminobutyric acid?

The CAS number of Boc-L-2,4-diaminobutyric acid is 25691-37-6.

What are the molecular formula and molecular weight of Boc-L-2,4-diaminobutyric acid?

Boc-L-2,4-diaminobutyric acid has molecular formula C9H18N2O4 and molecular weight 218.250 g/mol.

Is Boc-L-2,4-diaminobutyric acid hazardous?

Boc-L-2,4-diaminobutyric acid has GHS signal word Danger.

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

Last updated:

How to cite: Jingsj. "Boc-L-2,4-diaminobutyric acid (CAS 25691-37-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-31929-4 (accessed 2026-10-22).

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