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ChemicalBook >> CAS DataBase List >> (3R,4S)-1-Benzoyl-4-phenyl-3-[(triethylsilyl)oxy]-2-azetidinone

(3R,4S)-1-Benzoyl-4-phenyl-3-[(triethylsilyl)oxy]-2-azetidinone

(3R,4S)-1-Benzoyl-4-phenyl-3-[(triethylsilyl)oxy]-2-azetidinone price.
  • $60 - $1689.77
  • Product name: (3R,4S)-1-Benzoyl-4-phenyl-3-[(triethylsilyl)oxy]-2-azetidinone
  • CAS: 149249-91-2
  • MF: C22H27NO3Si
  • MW: 381.54
  • EINECS:
  • MDL Number:MFCD08273950
  • Synonyms:(3R,4S)-1-Benzoyl-3-[(Triethyl;PACLITAXEL SIDE CHAIN/(3R,4S)-1-BENZOYL-3-[(TRIETHYLSILYL)OXY]-4-PHENYL-2-PHENYL-2-AZETIDINONE;PACLITAXEL SIDE CHAIN NO 2;(3R,4S)-1-Benzoyl-4-Phenyl-3-[(Triethylsilyl)Oxy]-2-AzetidinoneCasNo.;(3R,4S)-1-BENZOYL-3-[(TRIETHYLSILYS)OXY]-4-PHENYL-2-AZETIDINONE;(3R,4S)-1-benzoyl-4-phenyl-3- (triethylsilyloxy)azetidin-2-one;1-benzoyl-4-phenyl-3-triethylsilyloxy-2-azetidinone;(3R,4S)-1-BENZOYL-3-[(TRIETHYLSILYL)OXY]-4-PHENYL-2-AZETIDINONE
Price37 Properties Safety Information Description
37 prices
Selected condition：
Brand
  • aablocks
  • ACHEMBLOCK
  • AK Scientific
  • Alichem
  • American Custom Chemicals Corporation
  • Biosynth
  • Chemenu
  • Crysdot
  • Matrix Scientific
  • TRC
Package
  • 25mg
  • 50mg
  • 100mg
  • 250mg
  • 250.00mg
  • 500mg
  • 1.00g
  • 1g
  • 2g
  • 5g
  • 10G
  • Manufactureraablocks
  • Product numberAA001LFZ
  • Product description(3R,4S)-1-Benzoyl-4-phenyl-3-[(triethylsilyl)oxy]-2-azetidinone 95%
  • Packaging250mg
  • Price$110
  • Updated2026-05-28
  • Buy
  • Manufactureraablocks
  • Product numberAA001LFZ
  • Product description(3R,4S)-1-Benzoyl-4-phenyl-3-[(triethylsilyl)oxy]-2-azetidinone 95%
  • Packaging1g
  • Price$222
  • Updated2026-05-28
  • Buy
  • Manufactureraablocks
  • Product numberAA001LFZ
  • Product description(3R,4S)-1-Benzoyl-4-phenyl-3-[(triethylsilyl)oxy]-2-azetidinone 95%
  • Packaging5g
  • Price$777
  • Updated2026-05-28
  • Buy
  • ManufacturerACHEMBLOCK
  • Product numberX209487
  • Product description(3R,4S)-1-benzoyl-4-phenyl-3-((triethylsilyl)oxy)azetidin-2-one 97%
  • Packaging5G
  • Price$1500
  • Updated2026-05-27
  • Buy
  • ManufacturerACHEMBLOCK
  • Product numberX209487
  • Product description(3R,4S)-1-benzoyl-4-phenyl-3-((triethylsilyl)oxy)azetidin-2-one 97%
  • Packaging1G
  • Price$320
  • Updated2026-05-27
  • Buy
  • ManufacturerAK Scientific
  • Product numberQ750
  • Product description(3R,4S)-1-Benzoyl-4-phenyl-3-[(triethylsilyl)oxy]-2-azetidinone
  • Packaging250mg
  • Price$280
  • Updated2021-12-16
  • Buy
  • ManufacturerAK Scientific
  • Product numberQ750
  • Product description(3R,4S)-1-Benzoyl-4-phenyl-3-[(triethylsilyl)oxy]-2-azetidinone
  • Packaging100mg
  • Price$138
  • Updated2021-12-16
  • Buy
  • ManufacturerAK Scientific
  • Product numberQ750
  • Product description(3R,4S)-1-Benzoyl-4-phenyl-3-[(triethylsilyl)oxy]-2-azetidinone
  • Packaging25mg
  • Price$69
  • Updated2021-12-16
  • Buy
  • ManufacturerAlichem
  • Product number149249912
  • Product description(3R,4S)-1-Benzoyl-4-phenyl-3-[(triethylsilyl)oxy]-2-azetidinone
  • Packaging1g
  • Price$185.4
  • Updated2021-12-16
  • Buy
  • ManufacturerAlichem
  • Product number149249912
  • Product description(3R,4S)-1-Benzoyl-4-phenyl-3-[(triethylsilyl)oxy]-2-azetidinone
  • Packaging5g
  • Price$556.2
  • Updated2021-12-16
  • Buy
  • ManufacturerAmerican Custom Chemicals Corporation
  • Product numberORS0001684
  • Product description(3R,4S)-1-BENZOYL-4-PHENYL-3-[(TRIETHYLSILYL)OXY]-2-AZETIDINONE 99.00%
  • Packaging250MG
  • Price$450.45
  • Updated2021-12-16
  • Buy
  • ManufacturerAmerican Custom Chemicals Corporation
  • Product numberORS0001684
  • Product description(3R,4S)-1-BENZOYL-4-PHENYL-3-[(TRIETHYLSILYL)OXY]-2-AZETIDINONE 99.00%
  • Packaging10G
  • Price$1689.77
  • Updated2021-12-16
  • Buy
  • ManufacturerBiosynth
  • Product numberFB151740
  • Product description(3R,4S)-1-Benzoyl-4-phenyl-3-[(triethylsilyl)oxy]-2-azetidinone
  • Packaging2g
  • Price$300
  • Updated2021-12-16
  • Buy
  • ManufacturerBiosynth
  • Product numberFB151740
  • Product description(3R,4S)-1-Benzoyl-4-phenyl-3-[(triethylsilyl)oxy]-2-azetidinone
  • Packaging1g
  • Price$200
  • Updated2021-12-16
  • Buy
  • ManufacturerBiosynth
  • Product numberFB151740
  • Product description(3R,4S)-1-Benzoyl-4-phenyl-3-[(triethylsilyl)oxy]-2-azetidinone
  • Packaging500mg
  • Price$160
  • Updated2021-12-16
  • Buy
  • ManufacturerBiosynth
  • Product numberFB151740
  • Product description(3R,4S)-1-Benzoyl-4-phenyl-3-[(triethylsilyl)oxy]-2-azetidinone
  • Packaging100mg
  • Price$60
  • Updated2021-12-16
  • Buy
Manufacturer Product number Product description Packaging Price Updated Buy
aablocks AA001LFZ (3R,4S)-1-Benzoyl-4-phenyl-3-[(triethylsilyl)oxy]-2-azetidinone 95% 250mg $110 2026-05-28 Buy
aablocks AA001LFZ (3R,4S)-1-Benzoyl-4-phenyl-3-[(triethylsilyl)oxy]-2-azetidinone 95% 1g $222 2026-05-28 Buy
aablocks AA001LFZ (3R,4S)-1-Benzoyl-4-phenyl-3-[(triethylsilyl)oxy]-2-azetidinone 95% 5g $777 2026-05-28 Buy
ACHEMBLOCK X209487 (3R,4S)-1-benzoyl-4-phenyl-3-((triethylsilyl)oxy)azetidin-2-one 97% 5G $1500 2026-05-27 Buy
ACHEMBLOCK X209487 (3R,4S)-1-benzoyl-4-phenyl-3-((triethylsilyl)oxy)azetidin-2-one 97% 1G $320 2026-05-27 Buy
AK Scientific Q750 (3R,4S)-1-Benzoyl-4-phenyl-3-[(triethylsilyl)oxy]-2-azetidinone 250mg $280 2021-12-16 Buy
AK Scientific Q750 (3R,4S)-1-Benzoyl-4-phenyl-3-[(triethylsilyl)oxy]-2-azetidinone 100mg $138 2021-12-16 Buy
AK Scientific Q750 (3R,4S)-1-Benzoyl-4-phenyl-3-[(triethylsilyl)oxy]-2-azetidinone 25mg $69 2021-12-16 Buy
Alichem 149249912 (3R,4S)-1-Benzoyl-4-phenyl-3-[(triethylsilyl)oxy]-2-azetidinone 1g $185.4 2021-12-16 Buy
Alichem 149249912 (3R,4S)-1-Benzoyl-4-phenyl-3-[(triethylsilyl)oxy]-2-azetidinone 5g $556.2 2021-12-16 Buy
American Custom Chemicals Corporation ORS0001684 (3R,4S)-1-BENZOYL-4-PHENYL-3-[(TRIETHYLSILYL)OXY]-2-AZETIDINONE 99.00% 250MG $450.45 2021-12-16 Buy
American Custom Chemicals Corporation ORS0001684 (3R,4S)-1-BENZOYL-4-PHENYL-3-[(TRIETHYLSILYL)OXY]-2-AZETIDINONE 99.00% 10G $1689.77 2021-12-16 Buy
Biosynth FB151740 (3R,4S)-1-Benzoyl-4-phenyl-3-[(triethylsilyl)oxy]-2-azetidinone 2g $300 2021-12-16 Buy
Biosynth FB151740 (3R,4S)-1-Benzoyl-4-phenyl-3-[(triethylsilyl)oxy]-2-azetidinone 1g $200 2021-12-16 Buy
Biosynth FB151740 (3R,4S)-1-Benzoyl-4-phenyl-3-[(triethylsilyl)oxy]-2-azetidinone 500mg $160 2021-12-16 Buy
Biosynth FB151740 (3R,4S)-1-Benzoyl-4-phenyl-3-[(triethylsilyl)oxy]-2-azetidinone 100mg $60 2021-12-16 Buy
Next Last

Properties

Boiling point :467.2±55.0 °C(Predicted)
Density :1.12
storage temp. :2-8°C
solubility :Dichloromethane, Ether, Ethyl Acetate, Methanol
form :Oil
pka :-4.66±0.60(Predicted)
color :Transparent
CAS DataBase Reference :149249-91-2(CAS DataBase Reference)

Safety Information

Symbol(GHS): Exclamation Mark (GHS07)
Signal word: Warning
Hazard statements:
Code Hazard statements Hazard class Category Signal word Pictogram P-Codes
H302 Harmful if swallowed Acute toxicity,oral Category 4 Warning P264, P270, P301+P312, P330, P501
Precautionary statements:
P280 Wear protective gloves/protective clothing/eye protection/face protection.
P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

Description

(3R,4S)-1-Benzoyl-4-phenyl-3-[(triethylsilyl)oxy]-2-azetidinone is an intermedaite of 10-O-[(2R,3S)-3-(Benzoylamino)-2-hydroxy-3-phenylpropanoyl]-10-O-deacetylpaclitaxel (B207800), which is an impurity in the synthesis of Paclitaxel (P132500), an antineoplastic. Used in the study of structure and function of microtubles into tubulin. Paclitaxel is now used to treat patients with lung, ovarian, breast cancer, head and neck cancer, and advanced forms of Kaposi''s sarcoma.

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Suppliers and manufacturers

Hebei Chuanghai Biotechnology Co., Ltd
(3R,4S)-1-Benzoyl-4-phenyl-3-[(triethylsilyl)oxy]-2-azetidinone
(3R,4S)-1-Benzoyl-4-phenyl-3-[(triethylsilyl)oxy]-2-azetidinone CAS:149249-91-2
career henan chemical co
(3R,4S)-1-Benzoyl-4-phenyl-3-[(triethylsilyl)oxy]-2-azetidinone
(3R,4S)-1-Benzoyl-4-phenyl-3-[(triethylsilyl)oxy]-2-azetidinone CAS:149249-91-2
Capot Chemical Co.,Ltd.
Henan Tianfu Chemical Co.,Ltd.
Shanghai finete Pharmaceutical Co., Ltd.
ATK CHEMICAL COMPANY LIMITED
Shandong chuangyingchemical Co., Ltd.
BOC Sciences
Alchem Pharmtech,Inc.
CONIER CHEM AND PHARMA LIMITED