ChemicalBook >> CAS DataBase List >>4-Oxo-9,10-dihydro-4H-benzo(4,5)-cyclohepta-(1,2b)thiophene

4-Oxo-9,10-dihydro-4H-benzo(4,5)-cyclohepta-(1,2b)thiophene

4-Oxo-9,10-dihydro-4H-benzo(4,5)-cyclohepta-(1,2b)thiophene structure

CAS No.: 1622-55-5

Chemical Name:: 4-Oxo-9,10-dihydro-4H-benzo(4,5)-cyclohepta-(1,2b)thiophene

Synonyms: Pizotifen Impurity 1;4,5-dihydrobenzo[1,2]cyclohepta[3,4-b]thiophen-10-one;9,10-Dihydro-4H-benzo[4,5]cyclohepta[b]-thiophen-4-one;9,10-Dihydro-4H-Benzo[4,5]Cyclohepta[1,2-B]Thiphen-4-On;9,10-DIHYDRO-4-H-BENZO{4,5}CYCLOHEPTA-{1,2-B}-4-THIOPHENE;9,10-Dihydro-4H-benzo[4,5]cyclohepta[1,2-b]-4-thiophenone;9,10-Dihydro-4H-benzo(4,5)cyclohepta(1,2-b)thiophen-4-one;9,10-Dihydro-4H-benzo-[4,5]-cycloepta-[1,2B]-thiophen-4-one;4H-Benzo[4,5]cyclohepta[1,2-b]thiophen-4-one, 9,10-dihydro-;9, 1-Dihydro-4H-benzo[4, 5]cyclohepta[1, 2-b]thiophen-4-one

CBNumber:: CB51074342

Molecular Formula:: C13H10OS

Molecular Weight:: 214.28

MDL Number:: MFCD00808048

MOL File:: 1622-55-5.mol

Last updated:2026-05-28 01:27:10

Product description	Number	Pack Size	Price
9,10-Dihydro-4H-benzo[4,5]cyclohepta[1,2-b]thiophen-4-one (90%)	TRC-D448480-500MG	500mg	$97
9,10-Dihydro-4H-benzo[4,5]cyclohepta[1,2-b]thiophen-4-one (90%)	TRC-D448480-25G	25g	$300
9,10-Dihydro-4H-benzo[4,5]cyclohepta[1,2-b]thiophen-4-one	FD21990	10g	$259.6
9,10-Dihydro-4H-benzo[4,5]cyclohepta[1,2-b]thiophen-4-one	FD21990	25g	$519.25
9,10-Dihydro-4H-benzo[4,5]cyclohepta[1,2-b]thiophen-4-one	FD21990	50g	$649
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4-Oxo-9,10-dihydro-4H-benzo(4,5)-cyclohepta-(1,2b)thiophene Properties

Boiling point	125-140 °C(Press: 0.05 Torr)
Density	1.262±0.06 g/cm3(Predicted)
storage temp.	Refrigerator
solubility	Chloroform (Slightly), Methanol (Slightly)
form	Brown Semi-Solid

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

4-Oxo-9,10-dihydro-4H-benzo(4,5)-cyclohepta-(1,2b)thiophene price More Price(19)

Manufacturer	Product number	Product description	CAS number	Packaging	Price	Updated	Buy
TRC	TRC-D448480-500MG	9,10-Dihydro-4H-benzo[4,5]cyclohepta[1,2-b]thiophen-4-one (90%)	1622-55-5	500mg	$97	2026-06-03	Buy
TRC	TRC-D448480-25G	9,10-Dihydro-4H-benzo[4,5]cyclohepta[1,2-b]thiophen-4-one (90%)	1622-55-5	25g	$300	2026-06-03	Buy
Biosynth	FD21990	9,10-Dihydro-4H-benzo[4,5]cyclohepta[1,2-b]thiophen-4-one	1622-55-5	10g	$259.6	2026-06-04	Buy
Biosynth	FD21990	9,10-Dihydro-4H-benzo[4,5]cyclohepta[1,2-b]thiophen-4-one	1622-55-5	25g	$519.25	2026-06-04	Buy
Biosynth	FD21990	9,10-Dihydro-4H-benzo[4,5]cyclohepta[1,2-b]thiophen-4-one	1622-55-5	50g	$649	2026-06-04	Buy

Product number	Packaging	Price	Buy
TRC-D448480-500MG	500mg	$97	Buy
TRC-D448480-25G	25g	$300	Buy
FD21990	10g	$259.6	Buy
FD21990	25g	$519.25	Buy
FD21990	50g	$649	Buy

4-Oxo-9,10-dihydro-4H-benzo(4,5)-cyclohepta-(1,2b)thiophene Chemical Properties,Uses,Production

Chemical Properties

Brown Semi Solid

Uses

Intermediate in the preparation of Ketotifen.

4-Oxo-9,10-dihydro-4H-benzo(4,5)-cyclohepta-(1,2b)thiophene synthesis

Synthesis of 4-Oxo-9,10-dihydro-4H-benzo(4,5)-cyclohepta-(1,2b)thiophene from 3-Thiophenezoic acid

4-Oxo-9,10-dihydro-4H-benzo(4,5)-cyclohepta-(1,2b)thiophene Preparation Products And Raw materials

Raw materials

2-(Chloromethyl)thiophene polyphosphoric acid 2-Carboxybenzaldehyde THIOPHEN-2-YLMETHYL-PHOSPHONIC ACID DIETHYL ESTER Triethyl phosphite

2-(b-(2-Thienyl)vinyl)benzoicacid Benzoic acid, 2-[(diethoxyphosphinyl)methyl]-, methyl ester 2-[2-(2-thienyl)ethyl]benzoic acid Methyl 2-bromomethylbenzoate 2-Thiophenecarboxaldehyde

3-Thiophenezoic acid Benzyl bromide Methyl o-toluate

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Preparation Products

Benzo[b]thiophen-10-methoxycycloheptanone

4-Oxo-9,10-dihydro-4H-benzo(4,5)-cyclohepta-(1,2b)thiophene Suppliers

Global( 68)Suppliers

Supplier	Tel	Email	Country	ProdList	Advantage
Henan Tianfu Chemical Co.,Ltd.	+86-0371-55170693 +86-19937530512	info@tianfuchem.com	China	21587	55
Nanjing ChemLin Chemical Industry Co., Ltd.	025-83697070	product@chemlin.com.cn	CHINA	3009	60
Shenzhen Nexconn Pharmatechs Ltd	+86-755-89396905 +86-15013857715	admin@nexconn.com	China	10403	58
Jinan Carbotang Biotech Co.,Ltd.	+8615866703830	figo.gao@foxmail.com	China	8497	58
BOC Sciences	+1-631-485-4226	inquiry@bocsci.com	United States	19936	58
career henan chemical co	+86-0371-86658258 +8613203830695	factory@coreychem.com	China	29792	58
Hefei TNJ Chemical Industry Co.,Ltd.	+86-0551-65418671 +8618949823763	sales@tnjchem.com	China	34563	58
ANHUI WITOP BIOTECH CO., LTD	+8615255079626	eric@witopchemical.com	China	23541	58
Dayang Chem (Hangzhou) Co.,Ltd.	+86-0571-88938639 +8617705817739	info@dycnchem.com	China	52705	58
GIHI CHEMICALS CO.,LIMITED	+86-571-86217390; +8618058761490	info@gihichemicals.com	China	49969	58

Supplier	Advantage
Henan Tianfu Chemical Co.,Ltd.	55
Nanjing ChemLin Chemical Industry Co., Ltd.	60
Shenzhen Nexconn Pharmatechs Ltd	58
Jinan Carbotang Biotech Co.,Ltd.	58
BOC Sciences	58
career henan chemical co	58
Hefei TNJ Chemical Industry Co.,Ltd.	58
ANHUI WITOP BIOTECH CO., LTD	58
Dayang Chem (Hangzhou) Co.,Ltd.	58
GIHI CHEMICALS CO.,LIMITED	58

View Lastest Price from 4-Oxo-9,10-dihydro-4H-benzo(4,5)-cyclohepta-(1,2b)thiophene manufacturers

Image	Update time	Product	Price	Min. Order	Purity	Supply Ability	Manufacturer
	2020-01-10	4,5-dihydrobenzo[1,2]cyclohepta[3,4-b]thiophen-10-one 1622-55-5	$9.80	1KG	≥98%	20 tons	Career Henan Chemical Co

4,5-dihydrobenzo[1,2]cyclohepta[3,4-b]thiophen-10-one
1622-55-5
$9.80
≥98%
Career Henan Chemical Co

1622-55-5(4-Oxo-9,10-dihydro-4H-benzo(4,5)-cyclohepta-(1,2b)thiophene)Related Search:

SPECS AI-942/13331788 3-BENZOYLTHIOPHENE 2-Methylthiophene-3-carboxaldehyde 9,10-DIBROMO-9,10-DIHYDRO-4H-BENZO[4,5]CYCLOHEPTA[B]THIOPHEN-4-ONE 3-(2-METHYLBENZOYL)THIOPHENE

4-Oxo-9,10-dihydro-4H-benzo(4,5)-cyclohepta-(1,2b)thiophene

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9,10-Dihydro-4H-benzo[4,5]cyclohepta[1,2-b]thiophen-4-one (90%) 9,10-Dihydro-4H-benzo[4,5]cyclohepta[b]-thiophen-4-one 9,10-Dihydro-4H-benzo(4,5)cyclohepta(1,2-b)thiophen-4-one 9,10-Dihydro-4H-benzo[4,5]cyclohepta[1,2-b]-4-thiophenone 9,10-DIHYDRO-4-H-BENZO{4,5}CYCLOHEPTA-{1,2-B}-4-THIOPHENE 4,5-dihydrobenzo[1,2]cyclohepta[3,4-b]thiophen-10-one 4H-Benzo[4,5]cyclohepta[1,2-b]thiophen-4-one, 9,10-dihydro- Pizotifen Impurity 1 9,10-Dihydro-4H-benzo-[4,5]-cycloepta-[1,2B]-thiophen-4-one 9.10-monohydro-4H-benzo [4.5] cyclocontriene [1.2-B] fene-4 - resistance 9,10-Dihydro-4H-Benzo[4,5]Cyclohepta[1,2-B]Thiphen-4-On 9, 1-Dihydro-4H-benzo[4, 5]cyclohepta[1, 2-b]thiophen-4-one 1622-55-5 Aromatics Heterocycles Intermediates & Fine Chemicals Pharmaceuticals