ChemicalBook > CAS DataBase List > 4-Aminoisoquinoline

4-Aminoisoquinoline

Product Name
4-Aminoisoquinoline
CAS No.
23687-25-4
Chemical Name
4-Aminoisoquinoline
Synonyms
ISOQUINOLIN-4-AMINE;NSC 170840;4-ISOQUINOLINAMINE;4-isoquinolylamine;4-lsoquinolylamine;4-AMINOISOQUINOLINE;isoqulinolin-4-amine;Isoquinolin-4-ylamine;4-Aminoisoquinoline >4-Aminoisoquinoline 97%
CBNumber
CB5172029
Molecular Formula
C9H8N2
Formula Weight
144.17
MOL File
23687-25-4.mol
More
Less

4-Aminoisoquinoline Property

Melting point:
108.0 to 112.0 °C
Boiling point:
360.0±17.0 °C(Predicted)
Density 
1.210±0.06 g/cm3(Predicted)
storage temp. 
Keep in dark place,Inert atmosphere,Room temperature
solubility 
soluble in Methanol
form 
powder to crystal
pka
6.29±0.10(Predicted)
color 
White to Brown
InChI
InChI=1S/C9H8N2/c10-9-6-11-5-7-3-1-2-4-8(7)9/h1-6H,10H2
InChIKey
ISIUXVGHQFJYHM-UHFFFAOYSA-N
SMILES
C1C2=C(C=CC=C2)C(N)=CN=1
CAS DataBase Reference
23687-25-4(CAS DataBase Reference)
More
Less

Safety

Hazard Codes 
Xi,Xn
Risk Statements 
22-36
Safety Statements 
26
WGK Germany 
3
Hazard Note 
Irritant
HS Code 
2933499090
More
Less

Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word
Warning
Hazard statements

H302Harmful if swallowed

H319Causes serious eye irritation

Precautionary statements

P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

More
Less

N-Bromosuccinimide Price

Sigma-Aldrich
Product number
734225
Product name
4-Aminoisoquinoline
Purity
97%
Packaging
1g
Price
$40
Updated
2023/06/20
TCI Chemical
Product number
A2595
Product name
4-Aminoisoquinoline
Purity
>98.0%(GC)(T)
Packaging
1g
Price
$45
Updated
2025/07/31
TCI Chemical
Product number
A2595
Product name
4-Aminoisoquinoline
Purity
>98.0%(GC)(T)
Packaging
5g
Price
$178
Updated
2025/07/31
TRC
Product number
A611600
Product name
4-AminoIsoquinoline
Packaging
1g
Price
$140
Updated
2021/12/16
TRC
Product number
A611600
Product name
4-AminoIsoquinoline
Packaging
10g
Price
$1100
Updated
2021/12/16
More
Less

4-Aminoisoquinoline Chemical Properties,Usage,Production

Uses

4-Isoquinolylamine can be used for synthesis of Rho kinase inhibitors.

Synthesis Reference(s)

Journal of the American Chemical Society, 64, p. 783, 1942 DOI: 10.1021/ja01256a012

Synthesis

881668-81-1

23687-25-4

A mixture of N-benzyl-4-aminoisoquinoline (1.00 g, 4.27 mmol) was reacted with a mixture of acetic acid (30 mL) and H2SO4 (7.5 mL, concentration not specified) for 6 hours at 100 °C with stirring. Upon completion of the reaction, the mixture was cooled to room temperature and the reaction was quenched with saturated aqueous NaHCO3 solution. Subsequently, Na2CO3 (200 mL) was added and diluted with water, followed by extraction with EtOAc (5 x 25 mL). The organic phases were combined, concentrated and the residue was purified by chromatography (eluent: EtOAc) to afford the target compound 4-aminoisoquinoline (325 mg, 53% yield) as a yellow solid.1H NMR (DMSO-d6, 400 MHz) δ 8.49 (s, 1H), 8.10 (d, 1H), 7.90 (d, 1H), 7.87 (s, 1H ), 7.64-7.54 (m, 2H), 5.82 (s, 2H).

Solubility in organics

4-isoquinolamine (4-Aminoisoquinoline) is slightly soluble in water and more soluble in organic solvents such as ethanol, dimethylformamide and dichloromethane.

References

[1] Patent: WO2006/32851, 2006, A1. Location in patent: Page/Page column 49

4-Aminoisoquinoline Preparation Products And Raw materials

Raw materials

Preparation Products

More
Less

4-Aminoisoquinoline Suppliers

Changzhou Langyi Biomedical Technology Co., Ltd.
Tel
13706129682
Email
tiffany@langyupharm.com
Country
China
ProdList
84
Advantage
58
Yancheng Orgunion Pharmaceutical Sci & Tech Co., Ltd.
Tel
0515-89701588 13770166955
Fax
0515-87400189
Email
orgunion@orgunion.com
Country
China
ProdList
620
Advantage
55
Chengdu Forest Science and Technology Development Co., Ltd.
Tel
18030648795
Fax
028-61777050
Email
sales@cdforestchem.com
Country
China
ProdList
1998
Advantage
58
Nanjing SynTitan Pharmaceutical Co., Ltd.
Tel
025-57027686 17372956142
Fax
025-57027686
Email
li_lan@syntitan.com
Country
China
ProdList
9998
Advantage
58
Henan Junyuejian Biotechnology Co., LTD
Tel
1555-0142250 18661514130
Email
1035729108@qq.com
Country
China
ProdList
675
Advantage
58
Changzhou Jiuwu Chemical co., Ltd.
Tel
13775162768
Email
16356194@qq.com
Country
China
ProdList
31
Advantage
58
J & K SCIENTIFIC LTD.
Tel
18210857532; 18210857532
Fax
86-10-82849933
Email
jkinfo@jkchemical.com
Country
China
ProdList
96815
Advantage
76
3B Pharmachem (Wuhan) International Co.,Ltd.
Tel
821-50328103-801 18930552037
Fax
86-21-50328109
Email
3bsc@sina.com
Country
China
ProdList
15838
Advantage
69
TCI (Shanghai) Development Co., Ltd.
Tel
021-67121386
Fax
021-67121385
Email
Sales-CN@TCIchemicals.com
Country
China
ProdList
24529
Advantage
81
Capot Chemical Co., Ltd
Tel
+86 (0) 571 85 58 67 18
Fax
0086-571-85864795
Country
China
ProdList
18207
Advantage
66
More
Less

View Lastest Price from 4-Aminoisoquinoline manufacturers

Shaanxi Dideu New Materials Co. Ltd
Product
4-Aminoisoquinoline 23687-25-4
Price
US $0.00/kg
Min. Order
1kg
Purity
99%
Supply Ability
10000KGS
Release date
2025-02-23
Career Henan Chemical Co
Product
4-Isoquinolylamine 23687-25-4
Price
US $8.00/KG
Min. Order
1KG
Purity
99%
Supply Ability
10tons
Release date
2018-12-25

23687-25-4, 4-AminoisoquinolineRelated Search:


  • Isoquinolin-4-ylamine
  • 4-Aminoisoquinoline 97%
  • NSC 170840
  • Isoquinolin-4-amine, 4-Amino-2-azanaphthalene
  • ISOQUINOLIN-4-AMINE
  • 4-isoquinolylamine
  • 4-Aminoisoquinoline(WX609381)
  • 4-ISOQUINOLINAMINE
  • 4-AMINOISOQUINOLINE
  • isoqulinolin-4-amine
  • 4-Aminoisoquinoline &gt
  • 4-Isoquinolylamine ISO 9001:2015 REACH
  • 4-Isoquinolinamine (9CI, ACI)
  • 4-lsoquinolylamine
  • 23687-25-4
  • wq
  • Building Blocks
  • Isoquinoline
  • Aromatics
  • Intermediates & Fine Chemicals
  • Pharmaceuticals
  • Quinoline series
  • Amines
  • Quinolines, Isoquinolines & Quinoxalines
  • Quinolines, Isoquinolines & Quinoxalines