C13H17ClN2
236.74 g/mol
APIWarning
Tetrahydrozoline hydrochloride
CAS522-48-5EC208-329-3
Category
API
Compound Class
Amine
Primary Use
Pharmaceutical Raw Material
Tetrahydrozoline hydrochloride is the hydrochloride salt of tetryzoline, a sympathomimetic agent and vasoconstrictor. It is used as a nasal decongestant active pharmaceutical ingredient.
nasal decongestant active pharmaceutical ingredientsympathomimetic agentvasoconstrictor 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
ApplicationSame Use
(+)-pseudoephedrine
CAS90-82-4
pharmaceutical raw material
ApplicationSame Use
(±)-norephedrine
CAS14838-15-4
pharmaceutical raw material
ReferenceSame Category
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CAS522-51-0
pharmaceutical raw material
ReferenceSame Category
Estramustine phosphate sodium
CAS52205-73-9
pharmaceutical raw material
ReferenceSame Category
Ciprofibrate
CAS52214-84-3
pharmaceutical raw material
ReferenceSame Category
DL-α-tocopherol acetate
CAS52225-20-4
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 Tetrahydrozoline hydrochloride (CAS 522-48-5) is 2933.29.
HS code (international, 6-digit)
2933.29
EU CN code (8-digit)
2933 29 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
2-(1,2,3,4-tetrahydronaphthalen-1-yl)-4,5-dihydro-1H-imidazole;hydrochloride
InChIKey
BJORNXNYWNIWEY-UHFFFAOYSA-N
SMILES
C1CC(C2=CC=CC=C2C1)C3=NCCN3.Cl
Synonyms (70)
- Tetrahydrozoline hydrochloride (JAN/USP)
- Tetrahydrozoline hydrochloride, European Pharmacopoeia (EP)
- Tetrahydrozoline hydrochloride, United States Pharmacopeia (USP)
- 522-48-5 (HCl)
- Assured Original Relief Eye
- CIRCLE K sterile eye drops
- Careall Eyedrops Original
- DG Original Eye Drops
- Dg Health Original
- Equate Eye Drops
- Equate Original Eye Drops
- Equate Redness Reliever
- Family Care Original Eye
- Freds Original Eye Drops
- Goodsense Original Eye Drops
- Leader Original Eye Drops
- Lil Drug Store Eye Drops
- Meijer Redness Relief
- Murine Plus
- Premier Value Original
- QC Sterile Red Eye
- Redness Reliever
- Rhinopront
- Rite Aid Original Sterile Eye
- Sound Body Original Eye
- T-raojo
- Tetrahydrozoline HCI
- Tetrahydrozoline HCl
- Tetrahyrozoline hydrochloride
- Tetryzoline HCl
- Tetryzoline hydrochloride
- Tetryzoline hydrochloride CRS
- Tyzanol hydrochloride
- Tyzine
- Tyzine (TN)
- Vasopos
- Visine
- Visine Red Eye Comfort
- Walgreens Original Eye Drops
- Yxin
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