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7-O-(Triethylsilyl) baccatin III

7-O-(Triethylsilyl) baccatin III Structure
7-O-(Triethylsilyl) baccatin III structure
CAS No.
115437-21-3
Chemical Name:
7-O-(Triethylsilyl) baccatin III
Synonyms
7-Triethylsily-Baccatin Ⅲ;7-Triethylsily Baccatin Ⅲ;7-(Triethylsilyl)-Baccatin lll;7-O-(Triethylsilyl) baccatin III;Paclitaxel Impurity 17 (7-(Triethylsilyl)baccatin III);7-O-(Triethylsilyl) Baccatin III 7-O-(Triethylsilyl) Baccatin III;(1S,2S,3R,4S,7R,9S,10S,12R,15S)-4,12-Bis(acetyloxy)-1,15-dihydroxy-10,14,17,17-tetramethyl-11-oxo-9-[(triethylsilyl)oxy]-6-oxatetracyclo[11.3.1.0(3,10).0(4,7)]heptadec-13-en-2-yl benzoate;7,11-Methano-5H-cyclodeca[3,4]benz[1,2-b]oxet-5-one, 6,12b-bis(acetyloxy)-12-(benzoyloxy)-1,2a,3,4,4a,6,9,10,11,12,12a,12b-dodecahydro-9,11-dihydroxy-4a,8,13,13-tetramethyl-4-[(triethylsilyl)oxy]-, (2aR,4S,4aS,6R,9S,11S,12S,12aR,12bS)-;[2aR-(2aα,4β,4aβ,6β,9α,11α,12α,12aα,12bα)]-6,12b-Bis(acetyloxy)-12-(benzoyloxy)-1,2a,3,4,4a,6,9,10,11,12,12a,12b-dodecahydro-9,11-dihydroxy-4a,8,13,13-tetraMethyl-4-[(triethylsilyl)oxy]-7,11-Methano-5H-cyclodeca[3,4]benz[1,2-b]oxet-5-one
CBNumber:
CB4649986
Molecular Formula:
C37H52O11Si
Molecular Weight:
700.89
MDL Number:
MFCD25977785
MOL File:
115437-21-3.mol
MSDS File:
SDS
Last updated:2026-09-12 18:52:56
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7-O-(Triethylsilyl) baccatin III Properties

Melting point 233-235°C
Boiling point 720.2±60.0 °C(Predicted)
Density 1.24±0.1 g/cm3(Predicted)
storage temp. -20°C Freezer
solubility Chloroform, Ethyl Acetate, Methanol
form Solid
pka 12.73±0.70(Predicted)
color Off- White

7-O-(Triethylsilyl) baccatin III price More Price(9)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
TRC TRC-T777925-5MG 7-O-(Triethylsilyl) Baccatin III 115437-21-3 5mg $179 2026-06-03 Buy
TRC TRC-T777925-50MG 7-O-(Triethylsilyl) Baccatin III 115437-21-3 50mg $1338 2026-06-03 Buy
ChemScene CS-0854264 7-(Triethylsilyl)baccatin III 115437-21-3 5mg $585 2026-06-04 Buy
ChemScene CS-0854264 7-(Triethylsilyl)baccatin III 115437-21-3 10mg $997 2026-06-04 Buy
aablocks AA008WPF 7-O-(Triethylsilyl) Baccatin III ≥98% 115437-21-3 5mg $824 2026-05-28 Buy
Product number Packaging Price Buy
TRC-T777925-5MG 5mg $179 Buy
TRC-T777925-50MG 50mg $1338 Buy
CS-0854264 5mg $585 Buy
CS-0854264 10mg $997 Buy
AA008WPF 5mg $824 Buy

7-O-(Triethylsilyl) baccatin III Chemical Properties, Uses, Production

Chemical Properties

Off- White Solid

Uses

A precursor to Paclitaxel.

7-O-(Triethylsilyl) baccatin III Preparation Products And Raw materials

Raw materials

Preparation Products

14β-Hydroxy-7-O-(triethylsilyl)-13-oxo Baccatin III

7-O-(Triethylsilyl) baccatin III Suppliers

Global Suppliers ( 40)
Supplier Tel Email Country ProdList Advantage
J & K SCIENTIFIC LTD. 18210857532 18210857532 jkinfo@jkchemical.com China 96815 76
Chemsky（shanghai）International Co.,Ltd. 021-50135380 shchemsky@sina.com China 32273 50
ShangHai Biochempartner Co.,Ltd 177-54423994 17754423994 2853530910@QQ.com China 8000 62
Zhaoqing Wanwei New Material Technology Co., Ltd. 0755-1328880-4488 13049823633;13068786899;13288804488 13288804488@163.com China 623 58
Shenzhen Polymeri Biochemical Technology Co., Ltd. +86-400-002-6226 13028896684; sales@rrkchem.com China 57330 58
BOC Sciences 16314854226; +8616314854226 inquiry@bocsci.com United States 19852 58
Hefei TNJ Chemical Industry Co.,Ltd. +86-0551-65418684 +86-18949823763 sales@tnjchem.com China 25333 58
Zhuoer Chemical Co., Ltd 02120970332; sales@zhuoerchem.com China 3000 58
HONG KONG IPURE BIOLOGY CO.,LIMITED 86 18062405514 18062405514 ada@ipurechemical.com CHINA 3453 58
Heilongjiang runte Pharmaceutical Co., Ltd 13812081281;17049898198 13812081281@163.com China 68 58
Supplier Advantage
J & K SCIENTIFIC LTD. 76
Chemsky（shanghai）International Co.,Ltd. 50
ShangHai Biochempartner Co.,Ltd 62
Zhaoqing Wanwei New Material Technology Co., Ltd. 58
Shenzhen Polymeri Biochemical Technology Co., Ltd. 58
BOC Sciences 58
Hefei TNJ Chemical Industry Co.,Ltd. 58
Zhuoer Chemical Co., Ltd 58
HONG KONG IPURE BIOLOGY CO.,LIMITED 58
Heilongjiang runte Pharmaceutical Co., Ltd 58

115437-21-3 (7-O-(Triethylsilyl) baccatin III) Related Search:

7,10-Bis-O-(2,2,2-trichloroethoxycarbonyl)-10-deacetylbaccatin III (4S,5R)-3-tert-butoxycarbony-2-(4-anisy)-4-phenyl-5-oxazolidinecarboxylic acid "7-(triMethylsilyl)-13-O-[((4S,5R)-2,4-diphenyl-4,5-dihydro oxazol-5-yl)carbonyl]baccatin Ⅲ 7-Troc-paclitaxel Cabazitaxel N-3
2',3'-O,N-[(S)-(p-Methoxybenzylidene)]-7-O-(triethylsilyl)paclitaxel Deacetyltaxol 7,10-Dimethoxy-10-DAB III (4S,5R)-2,4-diphenyl-4,5-dihydrooxazole-5-carboxylic acid Cabazitaxel
Docetaxel intermediate 10-Deacetylbaccatin III Paclitaxel Cabazitaxel N-1 (4S,5R)-3-Benzoyl-2-(4-methoxyphenyl)-4-phenyl-5-oxazolidinecarboxylic acid
Docetaxel 7-{[(2,2,2,-Trichloroethyl)oxy]carbonyl} baccatin III 6,3'-p-dihydroxypaclitaxel

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[2aR-(2aα,4β,4aβ,6β,9α,11α,12α,12aα,12bα)]-6,12b-Bis(acetyloxy)-12-(benzoyloxy)-1,2a,3,4,4a,6,9,10,11,12,12a,12b-dodecahydro-9,11-dihydroxy-4a,8,13,13-tetraMethyl-4-[(triethylsilyl)oxy]-7,11-Methano-5H-cyclodeca[3,4]benz[1,2-b]oxet-5-one 7-Triethylsily-Baccatin Ⅲ 7,11-Methano-5H-cyclodeca[3,4]benz[1,2-b]oxet-5-one, 6,12b-bis(acetyloxy)-12-(benzoyloxy)-1,2a,3,4,4a,6,9,10,11,12,12a,12b-dodecahydro-9,11-dihydroxy-4a,8,13,13-tetramethyl-4-[(triethylsilyl)oxy]-, (2aR,4S,4aS,6R,9S,11S,12S,12aR,12bS)- Paclitaxel Impurity 17 (7-(Triethylsilyl)baccatin III) 7-O-(Triethylsilyl) Baccatin III 7-O-(Triethylsilyl) Baccatin III 7-Triethylsily Baccatin Ⅲ 7-(Triethylsilyl)-Baccatin lll 7-O-(Triethylsilyl) baccatin III (1S,2S,3R,4S,7R,9S,10S,12R,15S)-4,12-Bis(acetyloxy)-1,15-dihydroxy-10,14,17,17-tetramethyl-11-oxo-9-[(triethylsilyl)oxy]-6-oxatetracyclo[11.3.1.0(3,10).0(4,7)]heptadec-13-en-2-yl benzoate 115437-21-3 C37H52O11Si Intermediates & Fine Chemicals Pharmaceuticals