Shanghai Nianxing Industrial Co., Ltd
China
Product Name: Palmitic acid
Price: Check
Purity: 98.0%
Stocking Period: 10 Day
Contact: Yang
Email: sales@echemcloud.com

Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: 2-Piperazine-4-amino-6,7-dimethoxyquinazoline
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

60547-97-9

60547-97-9 structure

60547-97-9 structure

Name: 2-PIPERAZINE-4- AMINO-6,7 DIMETHOXYQUINAZOLINE
Chemical Name: 2-Piperazinyl-4-amino-6,7-dimethoxyquinazoline
CAS Number: 60547-97-9
Molecular Formula: C₁₄H₁₉N₅O₂
Molecular Weight: 289.33300
Create Date: 2018-10-20 13:16:56
Modify Date: 2026-07-14 17:15:55

Name	2-Piperazinyl-4-amino-6,7-dimethoxyquinazoline
Synonyms	Terazosin Impurity 2(Terazosin Impurity C) 6,7-Dimethoxy-2-(piperazin-1-yl)quinazolin-4-amine, 1-(4-Amino-6,7-dimethoxyquinazolin-2-yl)piperazine 2-Piperzaine-4-Amino-6,7-Dimet Doxazosin Impurity 7（Doxazosin Impurity G） 6,7-DIMETHOXY-2-PIPERAZINO-4-AMINOQUINAZOLINE 2-Piperzaine-4-Amino-6,7-Dimethoxy Quinazoline 6,7-Dimethoxy-2-(1-piperzinyl)-4-quinazolinamine 6,7-DIMETHOXY-2-(1-PIPERAZINYL)-4-QUINAZOLINAMINE Doxazosin Mesilate Impurity G Terazosin-004 2-piperazine-4-amino-6,7-dimethoxyquinazoline 2-PIPERAZINYL-6,7-DIMETHOXYQUINAZOLIN-4-AMINE Doxazosin Impurity G 6,7-DIMETHOXY-2-(PIPERAZIN-1-YL)QUINAZOLIN-4-AMINE 4-QUINAZOLINAMINE, 6,7-DIMETHOXY-2-(1-PIPERAZINYL) Terazosin Impurity C RC A) MFCD00563872 Doxazocin impurity G 6,7-Dimethoxy-2-piperazino-4-quinazolinylamine 2-PIPERAZINE - 4- AMINO - 6,7 DIMETHOXYQUINAZOLINE 7-diMethoxyquinazoline HCl 2-(1-PIPERAZINYL)-4-AMINO-6,7-DIMETHOXYQUINAZOLINE Terazosin Hydrochloride Impurity Ⅰ：1-(4-amino-6,7-dimethoxy-2-quinazolinyl) piperazine dihydrochloride Prazosin Hydrochloride Impurity C Terazosin IMpurity C Terazosin Hydrochloride Dihydrate Impurity C Prazosin Impurity 3(Prazosin Impurity C) 6,7-DIMETHOXY-2-PIPERAZIN-1-YL-QUINAZOLIN-4-YLAMINE Terazosin Impurity C (Doxazosin Mesylate Impurity G) (Prazosin Impurity C) Terazosin Related Compound A 4-Amino-2-(1-piperazinyl)-6,7-dimethoxyquinazoline 6,7-Dimethoxy-2-(piperazin-1-yl)qui 6,7-dimethoxy-N-(1-piperazinyl)-2-quinazolinamine Terazosin IMP C 6,7-dimethoxy-N-(piperazin-1-yl)quinazolin-2-amine Terazosin Impurity C (Doxazosin Impurity G, Prazosin Impurity C) Terazosin Impurity7 2-(1-Piperazinyl)-4-amino-6 6,7-dimethoxy-2-piperazin-1-ylquinazolin-4-amine 2-(1-Piperazinyl)-4-amino-6,7-dimethoxyquinazoline HCl Prazosin Impurity C 6,7-Dimethoxy-2(1-Piperazinyl)-Quinozoline

Density	1.265 g/cm3
Boiling Point	527ºC at 760 mmHg
Melting Point	219-221ºC (dec.)
Molecular Formula	C₁₄H₁₉N₅O₂
Molecular Weight	289.33300
Flash Point	272.5ºC
Exact Mass	289.15400
PSA	85.53000
LogP	1.61380
Index of Refraction	1.63
Storage condition	Refrigerator

Hazard Codes	Xi
HS Code	2933499090

766532-56-3 structure

766532-56-3

~%

60547-97-9 structure

60547-97-9

Literature: Journal of medicinal chemistry, , vol. 47, # 18 p. 4453 - 4462

110-85-0 structure

110-85-0

23680-84-4 structure

23680-84-4

~78%

60547-97-9 structure

60547-97-9

Literature: Cavalli, Andrea; Lizzi, Federica; Bongarzone, Salvatore; Brun, Reto; Luise Krauth-Siegel; Bolognesi, Maria Laura Bioorganic and Medicinal Chemistry Letters, 2009 , vol. 19, # 11 p. 3031 - 3035

23680-84-4 structure

23680-84-4

~%

60547-97-9 structure

60547-97-9

Literature: Tetrahedron Letters, , vol. 47, # 15 p. 2549 - 2552

Precursor 2
110-85-0 23680-84-4
DownStream 5
107021-36-3 74191-85-8 19237-84-4 19216-56-9
79221-43-5

HS Code	2933499090
Summary	2933499090. other compounds containing in the structure a quinoline or isoquinoline ring-system (whether or not hydrogenated), not further fused. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

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