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63590-64-7

Basic Information
CAS No.: 63590-64-7
Name: Terazosin
Article Data: 12
Molecular Structure:
Molecular Structure of 63590-64-7 (Terazosin)
Formula: C19H25N5O4
Molecular Weight: 387.439
Synonyms: Piperazine,1-(4-amino-6,7-dimethoxy-2-quinazolinyl)-4-[(tetrahydro-2-furanyl)carbonyl]-(9CI);1-(4-Amino-6,7-dimethoxy-2-quinazolinyl)-4-(tetrahydro-2-furoyl)piperazine;1-(4-Amino-6,7-dimethoxyquinazolin-2-yl)-4-[(2,3,4,5-tetrahydrofuran-2-yl)carbonyl]piperazine;Terazosin;Fosfomic;Vasomet;Terazosina;Terazosine;Flumarc;Blavin;
Density: 1.332 g/cm3
Melting Point: 281-283 °C
Boiling Point: 664.5 °C at 760 mmHg
Flash Point: 355.7 °C
Solubility: 25 mg/mL in water
Appearance: white to off-white crystalline powder
Hazard Symbols: HarmfulXn,IrritantXi
Risk Codes: 22-36/37/38
Safety: 26-36
PSA: 103.04000
LogP: 1.64090
Synthetic route
16874-33-2

tetrahydro-2-furancarboxylic acid

60547-97-9

4-amino-6,7-dimethoxy-2-piperazin-1-ylquinazoline

63590-64-7

terazosin

Conditions
ConditionsYield
With N-ethyl-N,N-diisopropylamine; ethyl cyanoglyoxylate-2-oxime In N,N-dimethyl-formamide at 20℃;65%
19237-84-4

prazosin hydrochloride

63590-64-7

terazosin

Conditions
ConditionsYield
With hydrogen; palladium on activated charcoal In ethanol; water at 20℃;
23680-84-4

2-chloro-6,7-dimethoxyquinazolin-4-amine

63074-07-7

N-(tetrahydro-2-furoyl)-piperazine

63590-64-7

terazosin

Methyl Cellosolve (ethylene glycol monomethyl ether)

Methyl Cellosolve (ethylene glycol monomethyl ether)

ammonium hydroxide

23680-84-4

2-chloro-6,7-dimethoxyquinazolin-4-amine

63074-07-7

N-(tetrahydro-2-furoyl)-piperazine

63590-64-7

terazosin

Conditions
ConditionsYield
In water84 grams (87%)
In water90.8 grams (94%)
With triethylamine In water
943644-21-1

1-(4-amino-6,7-dimethoxyquinazolin-2-yl)-4-[[(2RS)2,3,4,5-tetrahydrofuran-2-yl]carbonyl]piperazine hydrochloride hydrobromide

63590-64-7

terazosin

Conditions
ConditionsYield
With ammonia In water at 25 - 45℃; for 1h; pH=8.4;
63590-64-7

terazosin

terazosin hydrochloride

Conditions
ConditionsYield
With hydrogenchloride for 2.86667h;
With hydrogenchloride In ethanol; water at 60 - 65℃; for 0.25h;
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    Terazosin cas 63590-64-7Appearance:white crystalline powder Storage:Store in dry, dark and ventilated place Package:25KG drum Application:intermediate Transportation:by air, by sea, by express

    Welcome to Hangzhou Fandachem Co.,Ltd (www.FandaChem.com) Hangzhou Fandachem Co.,Ltd (Fandachem),an experienced and professional China-based Fine Chemical supplier. We supply the

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  • Terazosin

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    Terazosin

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    factory?direct?saleAppearance:White powder Storage:Sealed and preserved Package:200/Kilograms Application:healing drugs Transportation:By sea Port:Shanghai/tianjin

    Henan Kanbei Chemical Co., Ltd. is a modern high-tech chemical enterprise integrating R&D, production and sales. The company has strong technical strength, advanced equipment, stri

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  • Terazosin manufacture

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    Terazosin manufacture

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    Hangzhou ZeErRui Chemical Co., Ltd. located in Lingang industrial areas, our plant covers an area of 6000 square meters.ZeErRui dedicated to the development, production and marketing of chemicals. We have earned ourselves a good reputation at home an

    Hangzhou ZeErRui Chemical Co., Ltd. located in Lingang industrial areas, our plant covers an area of 6000 square meters.ZeErRui dedicated to the development, production and marketi

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Specification

The IUPAC name of Terazosin is [4-(4-amino-6,7-dimethoxyquinazolin-2-yl)piperazin-1-yl]-(oxolan-2-yl)methanone. With the CAS registry number 63590-64-7, it is also named as Fosfomic. The product's categories are Terazosin; Intermediates & Fine Chemicals; Pharmaceuticals; API's; API. Besides, it is white to off-white crystalline powder. In addition, its molecular formula is C19H25N5O4 and molecular weight is 387.44.

The other characteristics of this product can be summarized as: (1)ACD/LogP: -0.96; (2)# of Rule of 5 Violations: 0; (3)ACD/LogD (pH 5.5): -1.95; (4)ACD/LogD (pH 7.4): -1.01; (5)ACD/BCF (pH 5.5): 1; (6)ACD/BCF (pH 7.4): 1; (7)ACD/KOC (pH 5.5): 1; (8)ACD/KOC (pH 7.4): 6.42; (9)#H bond acceptors: 9; (10)#H bond donors: 2; (11)#Freely Rotating Bonds: 4 ; (12)Index of Refraction: 1.636; (13)Molar Refractivity: 104.26 cm3; (14)Molar Volume: 290.6 cm3; (15)Surface Tension: 64.1 dyne/cm; (16)Density: 1.332 g/cm3; (17)Flash Point: 355.7 °C; (18)Melting Point: 281-283 °C; (19)Solubility: H2O: 25 mg/mL; (20)Enthalpy of Vaporization: 97.72 kJ/mol; (21)Boiling Point: 664.5 °C at 760 mmHg; (22)Vapour Pressure: 1.59E-17 mmHg at 25 °C.

Preparation of Terazosin: this chemical can be prepared by Furoic acid. The reaction equation is as follows:

Uses of Terazosin: this chemical is used for treatment of symptoms of an enlarged prostate (BPH) as selective alpha 1 antagonist. It is also used to lower the blood pressure. Additionally, it is used in the treatment of benign prostatic hyperplasia by blocking the action of adrenaline on smooth muscle of the bladder and the blood vessel walls.

When you are using this chemical, please be cautious about it as the following: it is irritating to eyes, respiratory system and skin. It is also harmful if swallowed. In case of contact with eyes, please rinse immediately with plenty of water and seek medical advice. And you should wear suitable protective clothing.

People can use the following data to convert to the molecule structure.
(1)SMILES: O=C(N3CCN(c2nc1cc(OC)c(OC)cc1c(n2)N)CC3)C4OCCC4
(2)InChI: InChI=1/C19H25N5O4/c1-26-15-10-12-13(11-16(15)27-2)21-19(22-17(12)20)24-7-5-23(6-8-24)18(25)14-4-3-9-28-14/h10-11,14H,3-9H2,1-2H3,(H2,20,21,22)
(3)InChIKey: VCKUSRYTPJJLNI-UHFFFAOYAV

The toxicity data is as follows:

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
mouse LDLo oral 3gm/kg (3000mg/kg)   United States Patent Document. Vol. #4734418,