Bestatin hydrochloride

Also known as: Ubenimex hydrochloride, N-[(2S,3R)-3-Amino-2-hydroxy-4-phenylbutyryl]-L-leucine hydrochloride, N-[(2S,3R)-3-Amino-2-hydroxy-4-phenylbutanoyl]-L-leucine hydrochloride (1:1), L-Leucine, N-[(2S,3R)-3-amino-2-hydroxy-1-oxo-4-phenylbutyl]-, hydrochloride (1:1), Bestatin HCL, Bestatin (hydrochloride), MFCD00058004

Bestatin hydrochloride (CAS 65391-42-6) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C16H25ClN2O4 and a molecular weight of 344.834 g/mol. Key properties include a melting point of 216-218 °C, a boiling point of 604.7ºC at 760 mmHg and a flash point of 319.5ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 65391-42-6
Jingsj CID: J-30363-9
Molecular Formula: C₁₆H₂₅ClN₂O₄
Molecular Weight: 344.834 g/mol
Category: Organic Acids
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	216-218 °C
Boiling Point	604.7ºC at 760 mmHg
Flash Point	319.5ºC
Exact Mass	344.150299
PSA	112.65000
LogP	2.42600
Additional Property	H2O: 25 mg/mL, clear, colorless

Activity & Biological Data

Additional Information	[1]. Hossain A, et al. Protective effects of bestatin in the retina of streptozotocin-induced diabetic mice. Exp Eye Res. 2016 Aug;149:100-6. [2]. Qian X, et al. Inhibition of p38 MAPK Phosphorylation Is Critical for Bestatin to Enhance ATRA-Induced Cell Differentiation in Acute Promyelocytic Leukemia NB4 Cells. Am J Ther. 2016 May-Jun;23(3):e680-9. [3]. Lis M, et al. The effects of bestatin on humoral response to sheep erythrocytes in non-treated and cyclophosphamide-immunocompromised mice. Immunopharmacol Immunotoxicol. 2013 Feb;35(1):133-8. [4]. Poloz Y, et al. Bestatin inhibits cell growth, cell division, and spore cell differentiation in Dictyostelium discoideum. Eukaryot Cell. 2012 Apr;11(4):545-57.

Additional Information

[1]. Hossain A, et al. Protective effects of bestatin in the retina of streptozotocin-induced diabetic mice. Exp Eye Res. 2016 Aug;149:100-6. [2]. Qian X, et al. Inhibition of p38 MAPK Phosphorylation Is Critical for Bestatin to Enhance ATRA-Induced Cell Differentiation in Acute Promyelocytic Leukemia NB4 Cells. Am J Ther. 2016 May-Jun;23(3):e680-9. [3]. Lis M, et al. The effects of bestatin on humoral response to sheep erythrocytes in non-treated and cyclophosphamide-immunocompromised mice. Immunopharmacol Immunotoxicol. 2013 Feb;35(1):133-8. [4]. Poloz Y, et al. Bestatin inhibits cell growth, cell division, and spore cell differentiation in Dictyostelium discoideum. Eukaryot Cell. 2012 Apr;11(4):545-57.

Customs & Trade Information

HS Code	29242995

Frequently Asked Questions

What is the CAS number of Bestatin hydrochloride?

The CAS number of Bestatin hydrochloride is 65391-42-6.

What are the molecular formula and molecular weight of Bestatin hydrochloride?

Bestatin hydrochloride has molecular formula C16H25ClN2O4 and molecular weight 344.834 g/mol.

What are the upstream and downstream products of Bestatin hydrochloride?

For Bestatin hydrochloride, Upstream Products: (2-Nitroethyl)benzene.

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. "Bestatin hydrochloride (CAS 65391-42-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-30363-9 (accessed 2026-11-09).

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