C20H23NO4
341.4 g/mol
APIDanger
Naltrexone
CAS16590-41-3EC240-649-9
Category
API
Compound Class
Heterocycle
Primary Use
Pharmaceutical Raw Material
Naltrexone is an opioid receptor antagonist used in pharmaceutical manufacturing. It is a morphinane-like compound with alcohol, amine, and ether functional groups, and is supplied as an active pharmaceutical ingredient for research and production.
pharmaceutical raw material for opioid receptor antagonist formulationsresearch compound for alcohol dependence studies
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
Naltrexone hydrochloride
CAS16676-29-2
pharmaceutical raw material
SimilarStructure SimilarSimilarity 0.75
Naloxone hydrochloride
CAS357-08-4
pharmaceutical raw material
SimilarStructure SimilarSimilarity 0.75
Naloxone hydrochloride dihydrate
CAS51481-60-8
pharmaceutical raw material
ReferenceSame Category
Levamisole hydrochloride
CAS16595-80-5
pharmaceutical raw material
ReferenceSame Category
(6S)-(-)-5-Hydroxy-N-propyl-2-aminotetralin hydrobromide
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pharmaceutical raw material
ReferenceSame Category
Metaxalone
CAS1665-48-1
pharmaceutical raw material
ReferenceSame Category
N-(2-(3-hydroxy-7-methoxynaphthalen-1-yl)ethyl)acetamide
CAS166526-99-4
pharmaceutical raw material
Safety Reference
Danger
H302Harmful if swallowed
H312Harmful in contact with skin
H317May cause an allergic skin reaction
H332Harmful if inhaled
H334May cause allergy or asthma symptoms or breathing difficulties if inhaled
H341Suspected of causing genetic defects
H400Very toxic to aquatic life
Customs Tariff Classification
The international HS code for Naltrexone (CAS 16590-41-3) is 2939.19.
HS code (international, 6-digit)
2939.19
EU CN code (8-digit)
2939 19 00
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
(4R,4aS,7aR,12bS)-3-(cyclopropylmethyl)-4a,9-dihydroxy-2,4,5,6,7a,13-hexahydro-1H-4,12-methanobenzofuro[3,2-e]isoquinolin-7-one
InChIKey
DQCKKXVULJGBQN-XFWGSAIBSA-N
SMILES
C1CC1CN2CC[C@]34[C@@H]5C(=O)CC[C@]3([C@H]2CC6=C4C(=C(C=C6)O)O5)O
Synonyms (38)
- Naltrexona [INN-Spanish]
- Naltrexone (USAN/INN)
- Naltrexonum [INN-Latin]
- Adepend
- Celupan
- EN-1639A FREE BASE
- NALTREXONE [MART.]
- Nalorex
- Naltrexona
- Naltrexone base anhydrous
- Naltrexonum
- Nemexin
- Opizone
- ReVia
- Trexal
- US9107954, naltrexone
- Vivitrex
- Vivitrol
- Vivitrol (TN)
- naltrexone
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