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N-((S)-1-(((R)-1-hydroxy-3-methylbutyl)amino)-1-oxo-3-phenylpropan-2-yl)pyrazine-2-carboxamide

硼替佐米杂质2

Also known as: Bortezomib Impurity E (EP), Bortezomib Impurity 2 (SR-Isomer), (R)-Hydroxy Des(boric Acid) Bortezomib, 2-Pyrazinecarboxamide, N-[(1S)-2-[[(1R)-1-hydroxy-3-methylbutyl]amino]-2-oxo-1-(phenylmethyl)ethyl]-, SR-Isomer, Bortezomib Impurity E, N-[(1R)-1-Hydroxy-3-methylbutyl]-Nα-(pyrazin-2-ylcarbonyl)-L-phenylalaninamide, Bortezomib Impurity I (USP)

N-((S)-1-(((R)-1-hydroxy-3-methylbutyl)amino)-1-oxo-3-phenylpropan-2-yl)pyrazine-2-carboxamide (CAS 289472-78-2) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C19H24N4O3 and a molecular weight of 356.419 g/mol. It is also known as Bortezomib Impurity E (EP), Bortezomib Impurity 2 (SR-Isomer) and (R)-Hydroxy Des(boric Acid) Bortezomib. Key properties include a boiling point of 672.0±55.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 360.2±31.5 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
289472-78-2
Jingsj CID
J-1318100-4
Molecular Formula
C19H24N4O3
Chinese Name
硼替佐米杂质2
Molecular Weight
356.419 g/mol
Category
Organic Compounds
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point672.0±55.0 °C at 760 mmHg
Density1.2±0.1 g/cm3
Flash Point360.2±31.5 °C

Frequently Asked Questions

What is the CAS number of N-((S)-1-(((R)-1-hydroxy-3-methylbutyl)amino)-1-oxo-3-phenylpropan-2-yl)pyrazine-2-carboxamide?

The CAS number of N-((S)-1-(((R)-1-hydroxy-3-methylbutyl)amino)-1-oxo-3-phenylpropan-2-yl)pyrazine-2-carboxamide is 289472-78-2.

What are the molecular formula and molecular weight of N-((S)-1-(((R)-1-hydroxy-3-methylbutyl)amino)-1-oxo-3-phenylpropan-2-yl)pyrazine-2-carboxamide?

N-((S)-1-(((R)-1-hydroxy-3-methylbutyl)amino)-1-oxo-3-phenylpropan-2-yl)pyrazine-2-carboxamide has molecular formula C19H24N4O3 and molecular weight 356.419 g/mol.

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

Last updated:

How to cite: Jingsj. "N-((S)-1-(((R)-1-hydroxy-3-methylbutyl)amino)-1-oxo-3-phenylpropan-2-yl)pyrazine-2-carboxamide (CAS 289472-78-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1318100-4 (accessed 2026-10-25).

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