(Aminooxy)acetic acid hemihydrochloride

Also known as: O-(Carboxymethyl)hydroxylamine hemihydrochloride, (Aminooxy)acetic acid hydrochloride (2:1), Carboxymethoxylamine hemihydrochloride, (Carboxymethoxy)amine hemihydrochloride, Hydroxylamine-O-acetic acid hemihydrochloride, 2-(Aminooxy)acetic acid hemihydrochloride, 2-(Aminooxy)acetic acid hydrochloride (2:1), Bis((aminooxy)acetic) acid hydrochloride, Aminooxyacetic acid hemichloride

(Aminooxy)acetic acid hemihydrochloride (CAS 2921-14-4) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C4H11ClN2O6 and a molecular weight of 218.59300 g/mol. Key properties include a melting point of 156 °C (dec.)(lit.), a boiling point of 326.7ºC at 760 mmHg and a flash point of 151.4ºC. No supplier offers are currently listed; request a quote. Record last updated Nov 2, 2026.

CAS No.: 2921-14-4
Jingsj CID: J-28562-1
Molecular Formula: C₄H₁₁ClN₂O₆
Molecular Weight: 218.59300 g/mol
Category: Organic Acids
Last updated: 11/2/2026

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Physicochemical Properties

Melting Point	156 °C (dec.)(lit.)
Boiling Point	326.7ºC at 760 mmHg
Flash Point	151.4ºC
PSA	145.10000
LogP	0.12520
Vapor Pressure	4.24E-05mmHg at 25°C

Activity & Biological Data

Target	MAS[1], GABA-T[2]
Additional Information	[1]. Wang C, et al. Malate-aspartate shuttle inhibitor aminooxyacetic acid leads to decreased intracellular ATP levels and altered cell cycle of C6 glioma cells by inhibiting glycolysis. Cancer Lett. 2016 Aug 1;378(1):1-7. [2]. Pagliusi SR, et al. Aminooxyacetic acid induced accumulation of GABA in the rat brain. Interaction with GABA receptors and distribution in compartments. Naunyn Schmiedebergs Arch Pharmacol. 1983 Apr;322(3):210-5. [3]. Korangath P, et al. Targeting Glutamine Metabolism in Breast Cancer with Aminooxyacetate. Clin Cancer Res. 2015 Jul 15;21(14):3263-73.

Target

MAS[1], GABA-T[2]

Additional Information

[1]. Wang C, et al. Malate-aspartate shuttle inhibitor aminooxyacetic acid leads to decreased intracellular ATP levels and altered cell cycle of C6 glioma cells by inhibiting glycolysis. Cancer Lett. 2016 Aug 1;378(1):1-7. [2]. Pagliusi SR, et al. Aminooxyacetic acid induced accumulation of GABA in the rat brain. Interaction with GABA receptors and distribution in compartments. Naunyn Schmiedebergs Arch Pharmacol. 1983 Apr;322(3):210-5. [3]. Korangath P, et al. Targeting Glutamine Metabolism in Breast Cancer with Aminooxyacetate. Clin Cancer Res. 2015 Jul 15;21(14):3263-73.

Frequently Asked Questions

What is the CAS number of (Aminooxy)acetic acid hemihydrochloride?

The CAS number of (Aminooxy)acetic acid hemihydrochloride is 2921-14-4.

What are the molecular formula and molecular weight of (Aminooxy)acetic acid hemihydrochloride?

(Aminooxy)acetic acid hemihydrochloride has molecular formula C4H11ClN2O6 and molecular weight 218.59300 g/mol.

What are the upstream and downstream products of (Aminooxy)acetic acid hemihydrochloride?

For (Aminooxy)acetic acid hemihydrochloride, Downstream Products: (Boc-aminooxy)acetic acid, Fmoc-aminoxyacetic acid.

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

Last updated: 11/2/2026

How to cite: Jingsj. "(Aminooxy)acetic acid hemihydrochloride (CAS 2921-14-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-28562-1 (accessed 2026-11-09).

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