C8H9ClN4
196.64 g/mol
APIDanger
HYDRALAZINE HYDROCHLORIDE
CAS304-20-1EC206-151-0
Category
API
Compound Class
Amine
Primary Use
Pharmaceutical Raw Material
Hydralazine hydrochloride is the hydrochloride salt of hydralazine, a direct-acting vasodilator used as an antihypertensive agent. It functions by relaxing blood vessels to lower blood pressure.
antihypertensive agentvasodilator agent
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
ReferenceSame Category
Flunarizine hydrochloride
CAS30484-77-6
pharmaceutical raw material
ReferenceSame Category
Chlorambucil
CAS305-03-3
pharmaceutical raw material
ReferenceSame Category
Disophenol
CAS305-85-1
pharmaceutical raw material
ReferenceSame Category
Anthiolimine
CAS305-97-5
pharmaceutical raw material
Safety Reference
Danger
H301Toxic if swallowed
H315Causes skin irritation
H319Causes serious eye irritation
H334May cause allergy or asthma symptoms or breathing difficulties if inhaled
H335May cause respiratory irritation
H341Suspected of causing genetic defects
H371May cause damage to organs
H317May cause an allergic skin reaction
H361Suspected of damaging fertility or the unborn child
H370Causes damage to organs
H372Causes damage to organs through prolonged or repeated exposure
Customs Tariff Classification
The international HS code for HYDRALAZINE HYDROCHLORIDE (CAS 304-20-1) is 2933.99.
HS code (international, 6-digit)
2933.99
EU CN code (8-digit)
2933 99 80
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
phthalazin-1-ylhydrazine;hydrochloride
InChIKey
ZUXNZUWOTSUBMN-UHFFFAOYSA-N
SMILES
C1=CC=C2C(=C1)C=NN=C2NN.Cl
Synonyms (60)
- Dihydralazine EP Impurity C
- Hydralazine hydrochloride (JP18/USP)
- Hydralazine hydrochloride [EP monograph]
- 1-hydrazinophthalazine HCL
- Aiselazine
- Apresine
- Apresoline
- Apresoline (TN)
- Apresoline hydrochloride
- Apresoline-esidrix
- Apressin
- Apressinum
- Dralzine
- HYDRALAZINE HCL
- HYDRALAZINE HYDROCHLORIDE
- Hipoftalin
- Hydralazine chloride
- Hydralazine hydrochloride CRS
- Hydralazine monohydrochloride
- Hydralazinhydrochlorid
- Hydralazini hydrochloridum
- Hydrallazine hydrochloride
- Hydrochloride, Hydralazine
- Hyperazin
- Hyperex
- Lopress
- Nor-press 25
- Praparat 5968
- Rolazine
- Slow-Apresolin
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