Bortezomib intermediates II

(alphaS)-alpha-氨基-N-[(1R)-1-[(3aS,4S,6S,7aR)-六氢-3a,5,5-三甲基-4,6-甲桥-1,3,2-苯并二氧硼烷-2-基]-3-甲基丁基]苯丙酰胺盐酸盐

Also known as: Bortezomib intermediates I, Bortezomib Impurity 54 HCl, BortezoMib InterMediate II, N-{(1R)-3-Methyl-1-[(1S,2S,6R,8S)-2,9,9-trimethyl-3,5-dioxa-4-boratricyclo[6.1.1.02,6]dec-4-yl]butyl}-L-phenylalaninamide hydrochloride (1:1), (S)-2-amino-N-((R)-3-methyl-1-((3aS,4S,6S,7aR)-3a,5,5-trimethylhexahydro-4,6-methanobenzo[d][1,3,2]dioxaborol-2-yl)butyl)-3-phenylpropanamide hydrochloride, (αS)-α-Amino-N-[(1R)-1-[(3aS,4S,6S,7aR)-hexahydro-3a,5,5-trimethyl-4,6-methano-1,3,2-benzodioxaborol-2-yl]-3-methylbutyl]-benzenepropanamide Monohydrochloride, BortezoMib interMediates N-2

Bortezomib intermediates II (CAS 205393-21-1) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C24H38BClN2O3 and a molecular weight of 448.83400 g/mol. It is also known as Bortezomib intermediates I, Bortezomib Impurity 54 HCl and BortezoMib InterMediate II. Key property: a melting point of 197-198ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
205393-21-1
Jingsj CID
J-1119509-6
Molecular Formula
C24H38BClN2O3
Chinese Name
(alphaS)-alpha-氨基-N-[(1R)-1-[(3aS,4S,6S,7aR)-六氢-3a,5,5-三甲基-4,6-甲桥-1,3,2-苯并二氧硼烷-2-基]-3-甲基丁基]苯丙酰胺盐酸盐
Molecular Weight
448.83400 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Melting Point197-198ºC

Frequently Asked Questions

What is the CAS number of Bortezomib intermediates II?

The CAS number of Bortezomib intermediates II is 205393-21-1.

What are the molecular formula and molecular weight of Bortezomib intermediates II?

Bortezomib intermediates II has molecular formula C24H38BClN2O3 and molecular weight 448.83400 g/mol.

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

Last updated:

How to cite: Jingsj. "Bortezomib intermediates II (CAS 205393-21-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1119509-6 (accessed 2026-10-26).

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