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Prazosin Hydrochloride
(CAS RN:19237-84-4 Product Number:P0938)


Prazosin Hydrochloride
Synonym 1-(4-Amino-6,7-dimethoxy-2-quinazolinyl)-4-(2-furanylcarbonyl)piperazine Hydrochloride

General Information

Product Number P0938

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Purity/Analysis Method >98.0%(T)
Storage Temperature
M.F. / M.W. C19H21N5O4·HCl=419.87
CAS RN 19237-84-4
Related CAS RN 19216-56-9
MDL Number MFCD00058177
Packaging and Container
  • Product Details
  • Safety & Regulations


Appearance White to Almost white powder to crystal
Purity(Argentmetric Titration) min. 98.0 %

Data of Reference

mp 285°C(lit.)


Reaxys-RN 4303561
PubChem SID 87575055
Merck Index(14) 7717
RTECS# VA1350000
EC Number 242-903-4


Signal Word Warning
Hazard Statements
  • H302
  • :Harmful if swallowed.
  • H315
  • :Causes skin irritation.
  • H319
  • :Causes serious eye irritation.
Precautionary Statements
  • P264
  • :Wash hands and face thoroughly after handling.
  • P270
  • :Do not eat, drink or smoke when using this product.
  • P280
  • :Wear protective gloves, eye protection.
  • P301+P312+P330
  • :IF SWALLOWED: Call a POISON CENTER or doctor if you feel unwell. Rinse mouth.
  • P302+P352+P332+P313+P362+P364
  • :IF ON SKIN: Wash with plenty of water. If skin irritation occurs: Get medical advice or attention. Take off contaminated clothing and wash it before reuse.
  • P305+P351+P338+P337+P313
  • :IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. If eye irritation persists: Get medical advice or attention.

Transport Information

HS Number 2933998090


Prazosin Hydrochloride: A Highly Selective α1-Adrenoceptor Antagonist

Prazosin hydrochloride, a highly lipophilic quinazoline derivative, is a highly selective α1-adrenoceptor antagonist. Prazosin causes a decrease in total peripheral resistance and a decrease in the contractions in smooth muscle of prostatic capsule. Animal studies have suggested that the effects of prazosin are related to blockade of α1-adrenoceptors. Prazosin hydrochloride is used to treat hypertension and benign prostatic hyperplasia in clinical use. (The product is for research purpose only.)


PubMed Literature

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