C19H21N5O4
383.4 g/mol
APIWarning
Prazosin
CAS19216-56-9EC242-885-8
Category
API
Compound Class
Heterocycle
Primary Use
Pharmaceutical Raw Material
Prazosin is an active pharmaceutical ingredient used in the manufacture of medications. It is characterized by a heterocyclic structure containing aromatic rings and amine groups.
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 hydrochloride
CAS19237-84-4
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
Customs Tariff Classification
The international HS code for Prazosin (CAS 19216-56-9) 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
InChIKey
IENZQIKPVFGBNW-UHFFFAOYSA-N
SMILES
COC1=C(C=C2C(=C1)C(=NC(=N2)N3CCN(CC3)C(=O)C4=CC=CO4)N)OC
Synonyms (48)
- XRA
- Prazosin (INN)
- Prazosina [INN-Spanish]
- Prazosine [INN-French]
- Prazosinum [INN-Latin]
- Terazosin EP Impurity K
- Terazosin EP Impurity K; Prazosin Hydrochloride
- Furazosin
- Lentopres
- Minipress
- Minipress (TN)
- Prazocin
- Prazosin (Standard)
- Prazosin (hydrochloride)
- Prazosina
- Prazosine
- Prazosinum
- TERAZOSIN HCL IMPURITY K
- [3H]-Furazosin
- [3H]-Minipress
- [3H]-Pratsiol
- [3H]-Prazosin
- prazosin
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