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5-CHLOROBENZOTHIOPHENE

5-CHLOROBENZOTHIOPHENE structure

CAS No.: 20532-33-6

Chemical Name:: 5-CHLOROBENZOTHIOPHENE

Synonyms: 5-Chlorobenzo[b]thiophene;6-chlorobenzo[b]thiophene;5-Chlorothionaphthene;5-CHLOROBENZOTHIOPHENE;5-chloro-1-benzothiophene;5-chlorine Benzothiophene;5-Chlorobenzothiophene ,98%;Benzo[b]thiophene, 5-chloro-;5-Chlorobenzothiophene in isooctane;5-chlorine thiofuran-2-carboxylic acid

CBNumber:: CB4334138

Molecular Formula:: C8H5ClS

Molecular Weight:: 168.64

MDL Number:: MFCD00055623

MOL File:: 20532-33-6.mol

MSDS File:: SDS

Last updated:2026-05-28 05:21:37

Product description	Number	Pack Size	Price
5-CHLORO-BENZO[B]THIOPHENE 97%	58062	5G	$37
5-CHLORO-BENZO[B]THIOPHENE 97%	58062	25G	$169
5-CHLORO-BENZO[B]THIOPHENE 97%	58062	100G	$524
5-Chlorobenzothiophene 97%	AS31201	1g	$24
5-Chlorobenzothiophene 97%	AS31201	5g	$39
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5-CHLOROBENZOTHIOPHENE Properties

Boiling point	85 °C(Press: 4 Torr)
Density	1.349±0.06 g/cm3(Predicted)
storage temp.	Keep in dark place,Sealed in dry,Room Temperature
form	Solid
color	Off-white
Water Solubility	Slightly soluble in water.

SAFETY

Risk and Safety Statements

Symbol(GHS)

GHS07

Signal word

Warning

Hazard statements

H315-H319-H335

Precautionary statements

P261-P280a-P304+P340-P305+P351+P338-P405-P501a

Risk Statements

36/37/38

Safety Statements

26-37/39

HS Code

29339900

NFPA 704

	1
2		0

5-CHLOROBENZOTHIOPHENE price More Price(62)

Manufacturer	Product number	Product description	CAS number	Packaging	Price	Updated	Buy
AstaTech	58062	5-CHLORO-BENZO[B]THIOPHENE 97%	20532-33-6	5G	$37	2026-04-30	Buy
AstaTech	58062	5-CHLORO-BENZO[B]THIOPHENE 97%	20532-33-6	25G	$169	2026-04-30	Buy
AstaTech	58062	5-CHLORO-BENZO[B]THIOPHENE 97%	20532-33-6	100G	$524	2026-04-30	Buy
Activate Scientific	AS31201	5-Chlorobenzothiophene 97%	20532-33-6	1g	$24	2026-06-04	Buy
Activate Scientific	AS31201	5-Chlorobenzothiophene 97%	20532-33-6	5g	$39	2026-06-04	Buy

Product number	Packaging	Price	Buy
58062	5G	$37	Buy
58062	25G	$169	Buy
58062	100G	$524	Buy
AS31201	1g	$24	Buy
AS31201	5g	$39	Buy

5-CHLOROBENZOTHIOPHENE Chemical Properties,Uses,Production

Chemical Properties

White solid

Uses

5-Chlorobenzo[b]thiophene is used as pharmaceutical intermediate.

Synthesis

Benzene, 1-chloro-4-[(2,2-diethoxyethyl)thio]-

50548-46-4

20532-33-6

To a 25 mL round-bottomed flask was added (4-chlorophenyl)(2,2-diethoxyethyl)thiane (500 mg, 1.92 mmol) and chlorobenzene (2 mL). The resulting mixture was added dropwise to a boiling solution of chlorobenzene (5 mL) in polyphosphoric acid (1 g) over 5 min. After completion of the reaction, the mixture was slowly poured into ice water (25 mL) and extracted three times with ethyl acetate (25 mL). The organic phases were combined, washed with saturated saline (50 mL) and dried over anhydrous sodium sulfate. The organic phases were concentrated under reduced pressure, and the resulting crude product was purified by silica gel column chromatography, using petroleum ether as eluent, to give 5-chlorobenzothiophene (290 mg, 90% yield) as an off-white solid.

References

[1] Patent: US2008/21026, 2008, A1. Location in patent: Page/Page column 17; 27
[2] Patent: CN103896967, 2016, B. Location in patent: Paragraph 0048; 0052-0054
[3] Journal of Organic Chemistry, 1995, vol. 60, # 7, p. 1936 - 1938
[4] Phosphorus, Sulfur and Silicon and the Related Elements, 1994, vol. 96, # 1-4, p. 441 - 444
[5] Bioorganic and medicinal chemistry, 2004, vol. 12, # 9, p. 2251 - 2273

5-CHLOROBENZOTHIOPHENE Preparation Products And Raw materials

Raw materials

Toluene Sodium 4-Chlorothiophenol polyphosphoric acid Bromoacetaldehyde dimethyl acetal

Chlorobenzene Methanol Benzene, 1-chloro-4-[(2,2-diethoxyethyl)thio]- 15-PHENYLPENTADECANOIC ACID

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Preparation Products

5-Chloro-1-benzothiophene-2-carbaldehyde

5-CHLOROBENZOTHIOPHENE Suppliers

Global( 127)Suppliers

Supplier	Tel	Email	Country	ProdList	Advantage
Chembon Pharmaceutical Co., Ltd.	+86-28-8425-2981		CHINA	722	55
career henan chemical co	+86-0371-86658258	sales@coreychem.com	China	29812	58
Changzhou Ansciep Chemical Co., Ltd.	+86 519 86305871	sales@ansciepchem.com	CHINA	4241	58
HaBo Hong Kong Co., Limited.	+86-25-18512596065	info@habotech.com	CHINA	933	58
Alchem Pharmtech,Inc.	8485655694	sales@alchempharmtech.com	United States	63687	58
CONIER CHEM AND PHARMA LIMITED		sales@conier.com	China	49979	58
Guangzhou Yuheng Pharmaceutical Technology Co., Ltd	+8613580539051	joe@yuhengpharm.com	CHINA	21142	58
Hefei TNJ Chemical Industry Co.,Ltd.	+86-0551-65418671 +86-189 4982 3763	sales@tnjchem.com	China	34563	58
ANHUI WITOP BIOTECH CO., LTD	+8618071025641	eric@witopchemical.com	China	23541	58
Unipharm pharmaceutical industry Co., Ltd	536-8266195 +8613953676784	lee@unipharm-sd.com	China	1202	58

Supplier	Advantage
Chembon Pharmaceutical Co., Ltd.	55
career henan chemical co	58
Changzhou Ansciep Chemical Co., Ltd.	58
HaBo Hong Kong Co., Limited.	58
Alchem Pharmtech,Inc.	58
CONIER CHEM AND PHARMA LIMITED	58
Guangzhou Yuheng Pharmaceutical Technology Co., Ltd	58
Hefei TNJ Chemical Industry Co.,Ltd.	58
ANHUI WITOP BIOTECH CO., LTD	58
Unipharm pharmaceutical industry Co., Ltd	58

View Lastest Price from 5-CHLOROBENZOTHIOPHENE manufacturers

Image	Update time	Product	Price	Min. Order	Purity	Supply Ability	Manufacturer
	2025-11-18	5-CHLOROBENZOTHIOPHENE 20532-33-6	$1.10	1g	99.00%	100 Tons	Dideu Industries Group Limited
	2019-07-10	5-CHLOROBENZOTHIOPHENE 20532-33-6	$1.00	1KG	98%	150KG	Career Henan Chemical Co

5-CHLOROBENZOTHIOPHENE
20532-33-6
$1.10
99.00%
Dideu Industries Group Limited

5-CHLOROBENZOTHIOPHENE
20532-33-6
$1.00
98%
Career Henan Chemical Co

5-CHLOROBENZOTHIOPHENE Spectrum

5-CHLOROBENZOTHIOPHENE(20532-33-6)¹HNMR

20532-33-6(5-CHLOROBENZOTHIOPHENE)Related Search:

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5-CHLORO-3-METHYLBENZO[B]THIOPHENE-2-SULFONYL CHLORIDE 5-CHLOROBENZOTHIOPHENE-3-METHYLAMINE 2-BROMO-1-(5-CHLORO-3-METHYLBENZO[B]THIOPHEN-2-YL)ETHAN-1-ONE 5-CHLORO-BENZO[B]THIOPHENE-3-CARBOXYLIC ACID 5-Chlorobenzothiophene-3-acetonitrile,2-(5-CHLOROBENZOTHIOPHENE-3-YL)ACETONITRILE

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5-CHLOROBENZOTHIOPHENE 5-chlorine Benzothiophene 5-Chlorobenzothiophene ,98% 5-Chlorothionaphthene 5-chloro-1-benzothiophene 5-chlorine thiofuran-2-carboxylic acid Benzo[b]thiophene, 5-chloro- 5-CHLOROBENZOTHIOPHENE ISO 9001：2015 REACH 5-Chlorobenzothiophene in isooctane 5-Chlorobenzo[b]thiophene 6-chlorobenzo[b]thiophene 20532-33-6 C8H5ClS

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