C19H22ClN5O4
419.9 g/mol
APIWarning
Prazosin hydrochloride
CAS19237-84-4EC242-903-4
Category
API
Compound Class
Heterocycle
Primary Use
Pharmaceutical Raw Material
Prazosin hydrochloride is a synthetic piperazine derivative and an active pharmaceutical ingredient. It acts as a selective alpha-1 adrenergic antagonist, reducing peripheral resistance and relaxing vascular smooth muscle.
pharmaceutical manufacturing
Content scope: Information here supports chemical identification and industrial supply, research, and manufacturing contexts. It is not a therapeutic claim, medical advice, or drug-use instructions.
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Related Compounds
StrongSame Parent
Prazosin
CAS19216-56-9
pharmaceutical raw material
ReferenceSame Category
Linrodostat
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pharmaceutical raw material
ReferenceSame Category
11-alpha-Hydroxycanrenone
CAS192569-17-8
pharmaceutical raw material
ReferenceSame Category
[1-(5-oxo-D-proline)]buserelin
CAS1926163-20-3
pharmaceutical raw material
ReferenceSame Category
Buserelin EP Impurity B
CAS1926163-21-4
pharmaceutical raw material
Safety Reference
Warning
H302Harmful if swallowed
H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation
H361Suspected of damaging fertility or the unborn child
H373May cause damage to organs through prolonged or repeated exposure
Customs Tariff Classification
The international HS code for Prazosin hydrochloride (CAS 19237-84-4) is 2934.99.
HS code (international, 6-digit)
2934.99
EU CN code (8-digit)
2934 99 90
Classification per the EU customs inventory ECICS (2026-07 snapshot, HS 2022). National tariff lines and product form can affect the final classification.
Identifiers
IUPAC Name
[4-(4-amino-6,7-dimethoxyquinazolin-2-yl)piperazin-1-yl]-(furan-2-yl)methanone;hydrochloride
InChIKey
WFXFYZULCQKPIP-UHFFFAOYSA-N
SMILES
COC1=C(C=C2C(=C1)C(=NC(=N2)N3CCN(CC3)C(=O)C4=CC=CO4)N)OC.Cl
Synonyms (56)
- Prazosin hydrochloride (JP17/USP)
- Prazosin hydrochloride, European Pharmacopoeia (EP)
- Prazosin hydrochloride, United States Pharmacopeia (USP)
- 19237-84-4 (HCl)
- Alphavase 0.5
- Alphavase 1
- Alphavase 2
- Alphavase 5
- Alpress LP
- CP-12,299-1
- Deprazolin
- Duramipress
- Furazosin hydrochloride
- HCL, Prazosin
- Hydrochloride, Prazosin
- Hypovase
- Hypovase b.d.
- Hypovasole
- Kentovace
- Minipress
- Minipress (TN)
- Minipress Xl
- Peripress
- Pratsiol
- Prazosin HCl
- Prazosin clorhidrato
- Prazosin hydrochloride
- Prazosin hydrochloride CRS
- Pressin and Hypovase
- Sinetens
- Vasoflex
- prazosine hydrochloride
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