(3R,4S)-4-Phenyl-3-[(triethylsilyl)oxy]-2-azetidinone

(3R,4S)-4-苯基-3-[(三乙基硅烷基)氧基]-2-氮杂环丁酮

Also known as: (3R,4S)-3-[(Triethylsilyl)oxy]-4-phenyl-2-azetidinone, (3R,4S)-4-Phenyl-3-triethylsilyloxyazetidin-2-one, (3R-cis)-4-Phenyl-3-[(triethylsilyl)oxy]-2-azetidinone, 2-Azetidinone, 4-phenyl-3-[(triethylsilyl)oxy]-, (3R,4S)-, 4-Phenyl-3-triethylsilanyloxy-azetidin-2-one, Cabazitaxel Impurity 57, Cephalomannine Impurity 7, Docetaxel side chain silicide (without protective groups)

CAS No.
149140-54-5
Jingsj CID
J-1307670-4
Molecular Formula
C15H23NO2Si
Chinese Name
(3R,4S)-4-苯基-3-[(三乙基硅烷基)氧基]-2-氮杂环丁酮
Molecular Weight
277.43400 g/mol
Category
Ketones
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point393.216ºC at 760 mmHg
Density1.04g/cm3
Flash Point191.611ºC

Frequently Asked Questions

What is the CAS number of (3R,4S)-4-Phenyl-3-[(triethylsilyl)oxy]-2-azetidinone?

149140-54-5

What are the molecular formula and molecular weight of (3R,4S)-4-Phenyl-3-[(triethylsilyl)oxy]-2-azetidinone?

C15H23NO2Si, molecular weight 277.43400 g/mol

Data compiled from public chemical databases and supplier catalogs; verify specifications with suppliers before purchase. · Last updated: 8/21/2026