C16H13ClN2O2
300.74 g/mol
APIWarning
Temazepam
CAS846-50-4EC212-688-1
Category
API
Compound Class
Heterocycle
Primary Use
Pharmaceutical Raw Material
Temazepam is a benzodiazepine-class compound used as a pharmaceutical raw material. It is characterized by a moderate molecular weight and lipophilicity, with a single alcohol and amide functional group within a heterocyclic ring system.
pharmaceutical manufacturing
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.
Restricted or banned substances
Substances on this list are banned or restricted under the named regulation. This page is a compliance reference — verify your obligations under applicable law.
Relevant lists:California Proposition 65
CAS 846-50-4
Related Compounds
StrongForm Family
Temazepam acetate
CAS18818-64-9
pharmaceutical raw material
SimilarStructure SimilarSimilarity 0.76
Lormetazepam
CAS848-75-9
pharmaceutical raw material
ReferenceSame Category
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CAS84611-23-4
pharmaceutical raw material
ReferenceSame Category
Itraconazole
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pharmaceutical raw material
ReferenceSame Category
Lorcaserin hydrochloride
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pharmaceutical raw material
ReferenceSame Category
Astragaloside IV
CAS84687-43-4
pharmaceutical raw material
Referencesame scaffold
Diazepam
CAS439-14-5
pharmaceutical raw material
Referencesame scaffold
Oxazepam
CAS604-75-1
pharmaceutical raw material
Safety Reference
Warning
H302Harmful if swallowed
Regulatory Compliance1
- California Proposition 65USRegulation
Customs Tariff Classification
The international HS code for Temazepam (CAS 846-50-4) is 2933.91.
HS code (international, 6-digit)
2933.91
EU CN code (8-digit)
2933 91 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
7-chloro-3-hydroxy-1-methyl-5-phenyl-3H-1,4-benzodiazepin-2-one
InChIKey
SEQDDYPDSLOBDC-UHFFFAOYSA-N
SMILES
CN1C2=C(C=C(C=C2)Cl)C(=NC(C1=O)O)C3=CC=CC=C3
Synonyms (77)
- Temazepam (USP/INN)
- Temazepam, British Pharmacopoeia (BP)
- Temazepam, United States Pharmacopeia (USP)
- Temazepamum [INN-Latin]
- (RS)-Temazepam
- 3-Hydroxydiazepam
- Apo Temazepam
- Cerepax
- Crisonar
- DEA No. 2925
- Dasuen
- Diazepam Impurity 16
- Diazepam, 3-hydroxy
- Euhypnos
- Euipnos
- Gelthix
- Gen Temazepam
- Hydroxydiazepam
- Kentepam
- Lenal
- Levanxene
- Levanxol
- Levanzene
- Mabertin
- Methyloxazepam
- N-Methyloxazepam
- Neodorm SP
- Nocturne
- Nomapam
- Norkotral Tema
- Normison
- Normitab
- Nortem
- Novo Temazepam
- Nu Temazepam
- Oxydiazepam
- PMS Temazepam
- Perdorm
- Planum
- Pronervon T
- Remestan
- Restoril
- Restoril (TN)
- Ro 5-5345
- SaH 47603
- Signopam
- Strazepam
- TEMAZEPAM [MART.]
- TEMAZEPAM, CHOLINE
- Tema, Norkotral
- Temador
- Temaz
- Temazepam civ
- Temazepam, 1mg/ml in Methanol
- Temazepamum
- Temtabs
- Tenox
- Uvamin Retard
- Von Ct, Temazep
- temazep von ct
- temazepam