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5-Oxo-tetrahydrocarbazole ethylene ketal

5-Oxo-tetrahydrocarbazole ethylene ketal structure

CAS No.: 54621-12-4

Chemical Name:: 5-Oxo-tetrahydrocarbazole ethylene ketal

Synonyms: 1,2,4,9-Tetrahydrospiro[carbazole-3,2'-[1,3]dioxolane];5-Oxo-tetrahydrocarbazole ethylene ketal;1,2,4,9-Tetrahydrospiro[carbazole-3,2'-[1,3]dioxolane;spiro[1,2,4,9-tetrahydrocarbazole-3,2'-1,3-dioxolane];SPIRO[3H-CARBAZOLE-3,2'-[1,3]DIOXOLANE], 1,2,4,9-TETRAHYDRO-;1,2,4,9-tetrahydrospiro[cyclohexa[b]carbazole-3,2'-[1,3]dioxolane

CBNumber:: CB0144397

Molecular Formula:: C14H15NO2

Molecular Weight:: 229.27

MDL Number:: MFCD00665170

MOL File:: 54621-12-4.mol

Last updated:2026-09-12 18:44:32

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5-Oxo-tetrahydrocarbazole ethylene ketal Properties

Melting point	149.5-150.3 °C(Solvent: Ethyl acetate 200 mL)
Boiling point	414.227±40.00 °C(Press: 760.00 Torr)(predicted)
Density	1.295±0.10 g/cm3(Temp: 25 °C; Press: 760 Torr)(predicted)
pka	17.743±0.20(predicted)

SAFETY

Risk and Safety Statements

Symbol(GHS)	GHS07
Signal word	Warning
Hazard statements	H302-H315-H319-H335
Precautionary statements	P261-P301+P312-P302+P352-P304+P340-P305+P351+P338

5-Oxo-tetrahydrocarbazole ethylene ketal price More Price(14)

Manufacturer	Product number	Product description	CAS number	Packaging	Price	Updated	Buy
Matrix Scientific	223511	1,2,4,9-Tetrahydrospiro[carbazole-3,2'-[1,3]dioxolane]	54621-12-4	500.00mg	$1120	2026-05-18	Buy
Matrix Scientific	223511	1,2,4,9-Tetrahydrospiro[carbazole-3,2'-[1,3]dioxolane]	54621-12-4	1.00g	$2019	2026-05-18	Buy
aablocks	AA01EWCC	1,2,4,9-Tetrahydrospiro[carbazole-3,2'-[1,3]dioxolane] 98%	54621-12-4	100mg	$179	2026-05-30	Buy
aablocks	AA01EWCC	1,2,4,9-Tetrahydrospiro[carbazole-3,2'-[1,3]dioxolane] 98%	54621-12-4	250mg	$363	2026-05-30	Buy
aablocks	AA01EWCC	1,2,4,9-Tetrahydrospiro[carbazole-3,2'-[1,3]dioxolane] 98%	54621-12-4	1g	$1071	2026-05-30	Buy

Product number	Packaging	Price	Buy
223511	500.00mg	$1120	Buy
223511	1.00g	$2019	Buy
AA01EWCC	100mg	$179	Buy
AA01EWCC	250mg	$363	Buy
AA01EWCC	1g	$1071	Buy

5-Oxo-tetrahydrocarbazole ethylene ketal Chemical Properties, Uses, Production

5-Oxo-tetrahydrocarbazole ethylene ketal Preparation Products And Raw materials

Raw materials

Preparation Products

Ramatroban

5-Oxo-tetrahydrocarbazole ethylene ketal Suppliers

Global Suppliers ( 13)

Supplier	Tel	Email	Country	ProdList	Advantage
V-Ran (Shandong) Biotechnology Co., Ltd.	0531-88516570 17753131700	236613131@qq.com	China	182	58
SHANGHAI FDC-CHEMICAL CO.,LTD	021-61469567 13774476675	sales@fdc-chemical.com	China	9999	58
Shanghai Minhan Pharmaceutical Technology Co., Ltd.	17612188245	2816925681@qq.com	China	8316	58
Taizhou Nanfeng Pharmaceutical Research Institute	nanfengpharma@126.co 18616377689	nanfengpharma@126.com	China	20008	58
Yantai Zhengxin New Material Technology Co. LTD	13854547682 13854547682	542660804@qq.com	China	4719	58
Shanghai Haohong Scientific Co., Ltd.	400-8210725 4008210725	malulu@leyan.com	China	39319	58
Shaoyuan Technology (Shanghai) Co., Ltd.	021-50795510 4000665055	marketing@accelachem.com	China	9721	58
Hefei Mokai Pharmaceutical Technology Co., Ltd	18130062233	690231469@qq.com	China	7999	58
Nanjing Shizhou Biology Technology Co.,Ltd	17301488900	judy.xia@synzest.com	China	12577	58
Aikon International Limited	025-58851090 19370895928	2850281427@qq.com	China	8014	58

Supplier	Advantage
V-Ran (Shandong) Biotechnology Co., Ltd.	58
SHANGHAI FDC-CHEMICAL CO.,LTD	58
Shanghai Minhan Pharmaceutical Technology Co., Ltd.	58
Taizhou Nanfeng Pharmaceutical Research Institute	58
Yantai Zhengxin New Material Technology Co. LTD	58
Shanghai Haohong Scientific Co., Ltd.	58
Shaoyuan Technology (Shanghai) Co., Ltd.	58
Hefei Mokai Pharmaceutical Technology Co., Ltd	58
Nanjing Shizhou Biology Technology Co.,Ltd	58
Aikon International Limited	58

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SPIRO[3H-CARBAZOLE-3,2'-[1,3]DIOXOLANE], 1,2,4,9-TETRAHYDRO- spiro[1,2,4,9-tetrahydrocarbazole-3,2'-1,3-dioxolane] 1,2,4,9-Tetrahydrospiro[carbazole-3,2'-[1,3]dioxolane 1,2,4,9-tetrahydrospiro[cyclohexa[b]carbazole-3,2'-[1,3]dioxolane 1,2,4,9-Tetrahydrospiro[carbazole-3,2'-[1,3]dioxolane] 5-Oxo-tetrahydrocarbazole ethylene ketal 54621-12-4