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ChemicalBook >> CAS DataBase List >> 2-Piperazine-4-amino-6,7-dimethoxyquinazoline

2-Piperazine-4-amino-6,7-dimethoxyquinazoline

2-Piperazine-4-amino-6,7-dimethoxyquinazoline price.
  • $42 - $2520
  • Product name: 2-Piperazine-4-amino-6,7-dimethoxyquinazoline
  • CAS: 60547-97-9
  • MF: C14H19N5O2
  • MW: 289.33
  • EINECS:
  • MDL Number:MFCD00563872
  • Synonyms:6,7-Dimethoxy-2(1-Piperazinyl)-Quinozoline ;6,7-DIMETHOXY-2-(1-PIPERAZINYL)-4-QUINAZOLINAMINE;6,7-DIMETHOXY-2-PIPERAZIN-1-YL-QUINAZOLIN-4-YLAMINE;6,7-DIMETHOXY-2-PIPERAZINO-4-AMINOQUINAZOLINE;4-QUINAZOLINAMINE, 6,7-DIMETHOXY-2-(1-PIPERAZINYL);2-(1-PIPERAZINYL)-4-AMINO-6,7-DIMETHOXYQUINAZOLINE;2-piperazine-4-amino-6,7-dimethoxyquinazoline;2-Piperzaine-4-Amino-6,7-Dimet
Price53 Properties Safety Information Description
53 prices
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  • ManufacturerA2B
  • Product numberAI53496
  • Product description2-piperazine-4-amino-6,7-dimethoxyquinazoline 98%
  • Packaging250mg
  • Price$60
  • Updated2026-05-25
  • Buy
  • ManufacturerA2B
  • Product numberAI53496
  • Product description2-piperazine-4-amino-6,7-dimethoxyquinazoline 98%
  • Packaging1g
  • Price$160
  • Updated2026-05-25
  • Buy
  • ManufacturerA2B
  • Product numberAI53496
  • Product description2-piperazine-4-amino-6,7-dimethoxyquinazoline 98%
  • Packaging5g
  • Price$428
  • Updated2026-05-25
  • Buy
  • ManufacturerA2B
  • Product numberAI53496
  • Product description2-piperazine-4-amino-6,7-dimethoxyquinazoline 98%
  • Packaging10g
  • Price$765
  • Updated2026-05-25
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  • ManufacturerA2B
  • Product numberAI53496
  • Product description2-piperazine-4-amino-6,7-dimethoxyquinazoline 98%
  • Packaging25g
  • Price$1355
  • Updated2026-05-25
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  • Manufactureraablocks
  • Product numberAA00IAN0
  • Product description2-piperazine-4-amino-6,7-dimethoxyquinazoline 98%
  • Packaging25g
  • Price$1430
  • Updated2026-05-29
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  • Manufactureraablocks
  • Product numberAA00IAN0
  • Product description2-piperazine-4-amino-6,7-dimethoxyquinazoline 98%
  • Packaging10g
  • Price$807
  • Updated2026-05-29
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  • Manufactureraablocks
  • Product numberAA00IAN0
  • Product description2-piperazine-4-amino-6,7-dimethoxyquinazoline 98%
  • Packaging5g
  • Price$452
  • Updated2026-05-29
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  • Manufactureraablocks
  • Product numberAA00IAN0
  • Product description2-piperazine-4-amino-6,7-dimethoxyquinazoline 98%
  • Packaging1g
  • Price$185
  • Updated2026-05-29
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  • Manufactureraablocks
  • Product numberAA00IAN0
  • Product description2-piperazine-4-amino-6,7-dimethoxyquinazoline 98%
  • Packaging250mg
  • Price$74
  • Updated2026-05-29
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  • ManufacturerACHEMBLOCK
  • Product numberAD277519
  • Product description6,7-dimethoxy-2-(piperazin-1-yl)quinazolin-4-amine 95%
  • Packaging1G
  • Price$280
  • Updated2026-05-27
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  • ManufacturerACHEMBLOCK
  • Product numberAD277519
  • Product description6,7-dimethoxy-2-(piperazin-1-yl)quinazolin-4-amine 95%
  • Packaging5G
  • Price$840
  • Updated2026-05-27
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  • ManufacturerACHEMBLOCK
  • Product numberAD277519
  • Product description6,7-dimethoxy-2-(piperazin-1-yl)quinazolin-4-amine 95%
  • Packaging25G
  • Price$2520
  • Updated2026-05-27
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  • ManufacturerAHH
  • Product numberMT-10274
  • Product description6,7-Dimethoxy-2-piperazino-4-aminoquinazoline 97%
  • Packaging5g
  • Price$868
  • Updated2026-05-26
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  • ManufacturerAK Scientific
  • Product numberA509
  • Product description2-(1-Piperazinyl)-4-amino-6,7-dimethoxyquinazoline 98%(HPLC)
  • Packaging5g
  • Price$560
  • Updated2026-06-04
  • Buy
  • ManufacturerAK Scientific
  • Product numberA509
  • Product description2-(1-Piperazinyl)-4-amino-6,7-dimethoxyquinazoline 98%(HPLC)
  • Packaging1g
  • Price$224
  • Updated2026-06-04
  • Buy
Manufacturer Product number Product description Packaging Price Updated Buy
A2B AI53496 2-piperazine-4-amino-6,7-dimethoxyquinazoline 98% 250mg $60 2026-05-25 Buy
A2B AI53496 2-piperazine-4-amino-6,7-dimethoxyquinazoline 98% 1g $160 2026-05-25 Buy
A2B AI53496 2-piperazine-4-amino-6,7-dimethoxyquinazoline 98% 5g $428 2026-05-25 Buy
A2B AI53496 2-piperazine-4-amino-6,7-dimethoxyquinazoline 98% 10g $765 2026-05-25 Buy
A2B AI53496 2-piperazine-4-amino-6,7-dimethoxyquinazoline 98% 25g $1355 2026-05-25 Buy
aablocks AA00IAN0 2-piperazine-4-amino-6,7-dimethoxyquinazoline 98% 25g $1430 2026-05-29 Buy
aablocks AA00IAN0 2-piperazine-4-amino-6,7-dimethoxyquinazoline 98% 10g $807 2026-05-29 Buy
aablocks AA00IAN0 2-piperazine-4-amino-6,7-dimethoxyquinazoline 98% 5g $452 2026-05-29 Buy
aablocks AA00IAN0 2-piperazine-4-amino-6,7-dimethoxyquinazoline 98% 1g $185 2026-05-29 Buy
aablocks AA00IAN0 2-piperazine-4-amino-6,7-dimethoxyquinazoline 98% 250mg $74 2026-05-29 Buy
ACHEMBLOCK AD277519 6,7-dimethoxy-2-(piperazin-1-yl)quinazolin-4-amine 95% 1G $280 2026-05-27 Buy
ACHEMBLOCK AD277519 6,7-dimethoxy-2-(piperazin-1-yl)quinazolin-4-amine 95% 5G $840 2026-05-27 Buy
ACHEMBLOCK AD277519 6,7-dimethoxy-2-(piperazin-1-yl)quinazolin-4-amine 95% 25G $2520 2026-05-27 Buy
AHH MT-10274 6,7-Dimethoxy-2-piperazino-4-aminoquinazoline 97% 5g $868 2026-05-26 Buy
AK Scientific A509 2-(1-Piperazinyl)-4-amino-6,7-dimethoxyquinazoline 98%(HPLC) 5g $560 2026-06-04 Buy
AK Scientific A509 2-(1-Piperazinyl)-4-amino-6,7-dimethoxyquinazoline 98%(HPLC) 1g $224 2026-06-04 Buy
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Properties

Melting point :219-221°C (dec.)
Boiling point :527.0±60.0 °C(Predicted)
Density :1.265±0.06 g/cm3(Predicted)
storage temp. :Sealed in dry,2-8°C
solubility :DMSO (Slightly), Methanol (Slightly)
form :powder
pka :8.55±0.10(Predicted)
color :White
CAS DataBase Reference :60547-97-9(CAS DataBase Reference)

Safety Information

Symbol(GHS): Exclamation Mark (GHS07)
Signal word: Warning
Hazard statements:
Code Hazard statements Hazard class Category Signal word Pictogram P-Codes
H302 Harmful if swallowed Acute toxicity,oral Category 4 Warning P264, P270, P301+P312, P330, P501
H315 Causes skin irritation Skin corrosion/irritation Category 2 Warning P264, P280, P302+P352, P321,P332+P313, P362
H319 Causes serious eye irritation Serious eye damage/eye irritation Category 2A Warning P264, P280, P305+P351+P338,P337+P313P
H335 May cause respiratory irritation Specific target organ toxicity, single exposure;Respiratory tract irritation Category 3 Warning
Precautionary statements:
P261 Avoid breathing dust/fume/gas/mist/vapours/spray.
P264 Wash hands thoroughly after handling.
P264 Wash skin thouroughly after handling.
P270 Do not eat, drink or smoke when using this product.
P271 Use only outdoors or in a well-ventilated area.
P280 Wear protective gloves/protective clothing/eye protection/face protection.
P302+P352 IF ON SKIN: wash with plenty of soap and water.
P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.
P332+P313 IF SKIN irritation occurs: Get medical advice/attention.
P337+P313 IF eye irritation persists: Get medical advice/attention.
P362 Take off contaminated clothing and wash before reuse.
P403+P233 Store in a well-ventilated place. Keep container tightly closed.
P405 Store locked up.
P501 Dispose of contents/container to..…

Description

2-Piperazinyl-4-amino-6,7-dimethoxyquinazoline (Terazosin EP Impurity C) is a metabolite of Prazosin. It is also an impurity arising in the synthesis of Terazosin (T105000).

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Suppliers and manufacturers

J & K SCIENTIFIC LTD. Capot Chemical Co., Ltd Pure Chemistry Scientific Inc. Shanghai Hanhong Scientific Co.,Ltd. Chemsky（shanghai）International Co.,Ltd. XiaoGan ShenYuan ChemPharm co,ltd Daicel Chiral Technologies (China)CO.,LTD Syntechem Co.,Ltd ChemShuttle, Inc. S.Z. PhyStandard Bio-Tech. Co., Ltd.