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2,3-Dihydrobenzo[b]furan-5-ylamine

2,3-Dihydrobenzo[b]furan-5-ylamine structure

CAS No.: 42933-43-7

Chemical Name:: 2,3-Dihydrobenzo[b]furan-5-ylamine

Synonyms: 2,3-DIHYDROBENZOFURAN-5-AMINE;Anaprazole Impurity 2;5-Amino-2,3-dihydrobenzofuran;2,3-Dihydro-5-benzofuranamine;5-Benzofuranamine, 2,3-dihydro-;5-Amino-2,3-dihydrobenzo[b]furan;2,3-Dihydrobenzo[b]furan-5-ylamine;5-AMino-2,3-dihydrobenzofuran, 97% 1GR;2,3-Dihydro-1-benzofuran-5-amine, 2,3-Dihydrobenzo[b]furan-5-amine

CBNumber:: CB01263062

Molecular Formula:: C8H9NO

Molecular Weight:: 135.16

MDL Number:: MFCD03617969

MOL File:: 42933-43-7.mol

MSDS File:: SDS

Last updated:2026-05-27 17:05:36

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2,3-Dihydrobenzo[b]furan-5-ylamine Properties

Melting point	78-80℃
Boiling point	289.4±29.0 °C(Predicted)
Density	1.208±0.06 g/cm3(Predicted)
storage temp.	under inert gas (nitrogen or Argon) at 2–8 °C
pka	5.34±0.20(Predicted)
form	Powder
color	White to light brown
Water Solubility	Sparingly soluble in water.(0.26 g/L) (25°C),
Sensitive	Air Sensitive
CAS DataBase Reference	42933-43-7

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

HS Code

2932990090

NFPA 704

	1
2		0

2,3-Dihydrobenzo[b]furan-5-ylamine price More Price(52)

Manufacturer	Product number	Product description	CAS number	Packaging	Price	Updated	Buy
Apolloscientific	OR2303	5-Amino-2,3-dihydrobenzo[b]furan ≥95%	42933-43-7	250mg	$35	2026-06-04	Buy
Apolloscientific	OR2303	5-Amino-2,3-dihydrobenzo[b]furan ≥95%	42933-43-7	1g	$64	2026-06-04	Buy
Apolloscientific	OR2303	5-Amino-2,3-dihydrobenzo[b]furan ≥95%	42933-43-7	5g	$165	2026-06-04	Buy
Synthonix	D49263	2,3-Dihydrobenzofuran-5-amine 97%	42933-43-7	100mg	$19	2026-05-06	Buy
Synthonix	D49263	2,3-Dihydrobenzofuran-5-amine 97%	42933-43-7	250mg	$23	2026-05-06	Buy

Product number	Packaging	Price	Buy
OR2303	250mg	$35	Buy
OR2303	1g	$64	Buy
OR2303	5g	$165	Buy
D49263	100mg	$19	Buy
D49263	250mg	$23	Buy

2,3-Dihydrobenzo[b]furan-5-ylamine Chemical Properties, Uses, Production

Uses

It is used as pharmaceutical intermediate. Benzoylthiophenes are allosteric enhancers (AE) of agonist activity at the A1 adenosine receptor.

References

[1] Journal of Medicinal Chemistry, 2010, vol. 53, # 18, p. 6681 - 6698
[2] Patent: EP2532665, 2012, A1. Location in patent: Page/Page column 21
[3] Bioorganic and Medicinal Chemistry, 2011, vol. 19, # 21, p. 6430 - 6446
[4] Journal of Medicinal Chemistry, 2014, vol. 57, # 13, p. 5579 - 5601
[5] Journal of Medicinal Chemistry, 2009, vol. 52, # 14, p. 4161 - 4172

2,3-Dihydrobenzo[b]furan-5-ylamine Preparation Products And Raw materials

Raw materials

5-nitrobenzofuran 5-Nitro-2,3-dihydro-1-benzofuran Hydrogen Methanol

Preparation Products

2,3-Dihydrobenzo[b]furan-5-ylamine Suppliers

Global Suppliers ( 112)

Supplier	Tel	Email	Country	ProdList	Advantage
J & K SCIENTIFIC LTD.	18210857532 18210857532	jkinfo@jkchemical.com	China	96815	76
Meryer (Shanghai) Chemical Technology Co., Ltd.	4006356688 18621169109	market03@meryer.com	China	40202	62
Alfa Aesar	400-6106006	saleschina@alfa-asia.com	China	30103	84
ShangHai DEMO Chemical Co.,Ltd	400-021-7337 2355568890	sales@demochem.com	China	2569	57
Capot Chemical Co., Ltd	+86 (0) 571 85 58 67 18		China	18187	66
Shanghai Hanhong Scientific Co.,Ltd.	021-54306202 13764082696	info@hanhongsci.com	China	42917	64
Wuhan Arike Technology Co., Ltd.	027- 51832457 94518350		China	746	62
Beijing Taiya Jie Technology Development Co., Ltd.	021-33690831-8001 13552411790;18616022633	postmaster@tyjchem.cn	China	1541	55
Tianjin YongSheng Biotechnology Co., Ltd.	022-60987737 13512258274;13820956092	sales@immortalbio.com	China	154	55
Thermo Fisher Scientific	800-810-5118	cnchemical@thermofisher.com	China	17752	75

Supplier	Advantage
J & K SCIENTIFIC LTD.	76
Meryer (Shanghai) Chemical Technology Co., Ltd.	62
Alfa Aesar	84
ShangHai DEMO Chemical Co.,Ltd	57
Capot Chemical Co., Ltd	66
Shanghai Hanhong Scientific Co.,Ltd.	64
Wuhan Arike Technology Co., Ltd.	62
Beijing Taiya Jie Technology Development Co., Ltd.	55
Tianjin YongSheng Biotechnology Co., Ltd.	55
Thermo Fisher Scientific	75

View Latest Price from 2,3-Dihydrobenzo[b]furan-5-ylamine manufacturers

Image	Update time	Product	Price	Min. Order	Purity	Supply Ability	Manufacturer
	2025-04-04	2,3-Dihydrobenzo[b]furan-5-ylamine 42933-43-7		1KG	98%	1ton	Henan Aochuang Chemical Co.,Ltd.
	2019-07-07	2,3-Dihydrobenzo[b]furan-5-ylamine 42933-43-7		1KG	90%-99.9%	500kg	Career Henan Chemical Co

2,3-Dihydrobenzo[b]furan-5-ylamine
42933-43-7
98%
Henan Aochuang Chemical Co.,Ltd.

2,3-Dihydrobenzo[b]furan-5-ylamine
42933-43-7
$0.00
90%-99.9%
Career Henan Chemical Co

2,3-Dihydrobenzo[b]furan-5-ylamine Spectrum

2,3-Dihydrobenzo[b]furan-5-ylamine(42933-43-7)¹HNMR

42933-43-7 (2,3-Dihydrobenzo[b]furan-5-ylamine) Related Search:

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1of3

5-Amino-2,3-dihydrobenzo[b]furan 5-Amino-2,3-dihydrobenzofuran 5-AMino-2,3-dihydrobenzofuran, 97% 1GR 2,3-Dihydro-1-benzofuran-5-amine, 2,3-Dihydrobenzo[b]furan-5-amine 2,3-Dihydrobenzo[b]furan-5-ylamine 5-Benzofuranamine, 2,3-dihydro- 2,3-Dihydro-5-benzofuranamine Anaprazole Impurity 2 2,3-DIHYDROBENZOFURAN-5-AMINE 42933-43-7