ChemicalBook > CAS DataBase List > 2,2'-(1,4-Piperazinediyl)bis[6,7-diMethoxy-4-quinazolinaMine]

2,2'-(1,4-Piperazinediyl)bis[6,7-diMethoxy-4-quinazolinaMine]

Product Name
2,2'-(1,4-Piperazinediyl)bis[6,7-diMethoxy-4-quinazolinaMine]
CAS No.
102839-00-9
Chemical Name
2,2'-(1,4-Piperazinediyl)bis[6,7-diMethoxy-4-quinazolinaMine]
Synonyms
TCMDC 123865;Terazosin-006;Terazosin EP IMP E;Terazosin Impurity9;Prazosin EP Impurity E;Terazosin EP IMpurity E;Doxazosin Mesilate Impurity H;Terazosin USP Related Compound C;Doxazosin Mesilate EP Impurity H;Prazosin Hydrochloride Impurity E
CBNumber
CB12544547
Molecular Formula
C24H28N8O4
Formula Weight
492.53
MOL File
102839-00-9.mol
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2,2'-(1,4-Piperazinediyl)bis[6,7-diMethoxy-4-quinazolinaMine] Property

Melting point:
>254°C (dec.)
Boiling point:
784.7±70.0 °C(Predicted)
Density 
1.373±0.06 g/cm3(Predicted)
storage temp. 
Amber Vial, -20°C Freezer, Under inert atmosphere
solubility 
DMSO (Vey Slightly, Heated), Methanol (Very Slightly, Heated)
pka
6.82±0.50(Predicted)
color 
White to Light Yellow
Stability:
Light Sensitive
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Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word
Warning
Hazard statements

H361Suspected of damaging fertility or the unborn child

H373May cause damage to organs through prolonged or repeated exposure

Precautionary statements

P201Obtain special instructions before use.

P202Do not handle until all safety precautions have been read and understood.

P260Do not breathe dust/fume/gas/mist/vapours/spray.

P281Use personal protective equipment as required.

P308+P313IF exposed or concerned: Get medical advice/attention.

P314Get medical advice/attention if you feel unwell.

P405Store locked up.

P501Dispose of contents/container to..…

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N-Bromosuccinimide Price

Sigma-Aldrich
Product number
Y0000665
Product name
Terazosin impurity E
Purity
European Pharmacopoeia (EP) Reference Standard
Packaging
y0000665
Price
$153
Updated
2024/03/01
TRC
Product number
P480620
Product name
2,2''-(1,4-Piperazinediyl)bis[6,7-dimethoxy-4-quinazolinamine](TerazosinImpurity)
Packaging
100mg
Price
$1390
Updated
2021/12/16
Medical Isotopes, Inc.
Product number
48342
Product name
2,2??-(1,4-Piperazinediyl)bis[6,7-dimethoxy-4-quinazolinamine](TerazosinImpurity)
Packaging
100mg
Price
$2200
Updated
2021/12/16
Biosynth Carbosynth
Product number
IP27062
Product name
2,2'-(1,4-Piperazinediyl)bis[6,7-dimethoxy-4-quinazolinamine]
Packaging
1mg
Price
$80
Updated
2021/12/16
Biosynth Carbosynth
Product number
IP27062
Product name
2,2'-(1,4-Piperazinediyl)bis[6,7-dimethoxy-4-quinazolinamine]
Packaging
2mg
Price
$125
Updated
2021/12/16
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2,2'-(1,4-Piperazinediyl)bis[6,7-diMethoxy-4-quinazolinaMine] Chemical Properties,Usage,Production

Uses

2,2''-(1,4-Piperazinediyl)bis[6,7-dimethoxy-4-quinazolinamine] (Terazosin EP Impurity E) is an impurity of selective alpha 1 antagonists: Terazosin (T105000) and Prazosin (P702325).

2,2'-(1,4-Piperazinediyl)bis[6,7-diMethoxy-4-quinazolinaMine] Preparation Products And Raw materials

Raw materials

Preparation Products

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2,2'-(1,4-Piperazinediyl)bis[6,7-diMethoxy-4-quinazolinaMine] Suppliers

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102839-00-9, 2,2'-(1,4-Piperazinediyl)bis[6,7-diMethoxy-4-quinazolinaMine]Related Search:

Terazosin EP IMpurity D [4-(4-AMino-6-hydroxy-7-Methoxy-2-quinazolinyl)-1-piperazinyl](tetrahydro-2-furanyl)Methanone [4-(4-AMino-6,7-diMethoxy-2-quinazolinyl)-1-piperazinyl][(5S)-tetrahydro-5-Methyl-2-furanyl]Methanone Terazosin IMpurity J [4-(4-AMino-7-hydroxy-6-Methoxy-2-quinazolinyl)-1-piperazinyl](tetrahydro-2-furanyl)Methanone Terazosin hydrochloride dihydrate NSC 351869 Prazosin hydrochloride 1-(2-Furoyl)piperazine Prazosin Terazosin EP Impurity O Piperazine, 1-[[(2R)-tetrahydro-2-furanyl]carbonyl]- (9CI) Terazosin Impurity 1-[4-(4-AMino-6,7-diMethoxy-2-quinazolinyl)-1-piperazinyl]-5-hydroxy-1-pentanone (R)-Terazosin Terazosin impurity 2-Chloro-4-amino-6,7-dimethoxyquinazoline 6,7-DiMethoxy-2-(4-(tetrahydrofuran-2-carbonyl)piperazin-1-yl)quinazolin-4(1H)-one

  • 2,2'-(1,4-Piperazinediyl)bis[6,7-diMethoxy-4-quinazolinaMine] (Terazosin IMpurity)
  • Terazosin EP IMpurity E
  • 1,4-Bis(4-amino-6,7-dimethoxy-2-quinazolinyl)piperazine
  • Prazosin EP Impurity E
  • Terazosin-006
  • Terazosin Impurity 5(Terazosin EP Impurity E)
  • Doxazosin Impurity 8（Doxazosin EP Impurity H）
  • Terazosin EP IMP E
  • Prazosin Impurity 5(Prazosin EP Impurity E)
  • Terazosin Impurity9
  • 4-Quinazolinamine, 2,2'-(1,4-piperazinediyl)bis[6,7-dimethoxy-
  • 2,2'-(1,4-Piperazinediyl)bis[6,7-diMethoxy-4-quinazolinaMi...
  • Doxazosin EP Impurity H (Prazosin EP Impurity E/ Terazosin EP Impurity E/ Terazosin Related Compound C)
  • Doxazosin EP Impurity H in salt form
  • Terazosin EP Impurity E (USP RC C)
  • 2,2''-(Piperazin-1,4-diyl)bis- (6,7-dimethoxyquinazolin-4-amine)
  • Terazosin USP Related Compound C
  • TCMDC 123865
  • Prazosin Hydrochloride Impurity E
  • Terazosin Hydrochloride Dihydrate Impurity E
  • 2,2'-(Piperazine-1,4-diyl)bis(6,7-dimethoxyquinazolin-4-amine) (Doxazosin Impurity)
  • Doxazosin EP Impurity H HCl (Prazosin EP Impurity E HCl, Terazosin EP Impurity E HCl)
  • Doxazosin Mesilate EP Impurity H
  • Prazosin Hydrochloride EP Impurity E
  • Terazosin Hydrochloride Dihydrate EP Impurity E
  • Doxazosin Mesilate Impurity H
  • 102839-00-9
  • C24H28N8O4
  • Amines
  • Bases & Related Reagents
  • Heterocycles
  • Impurities
  • Intermediates & Fine Chemicals
  • Nucleotides
  • Pharmaceuticals