Substances · Benzodiazepines and thienodiazepines
Diclazepam
- Preferred name
- Diclazepam
- IUPAC name
- 7-chloro-5-(2-chlorophenyl)-1-methyl-3H-1,4-benzodiazepin-2-one
- Parent CAS number (reference)
- 2894-68-0
- Molecular formula
- C16H12Cl2N2O
- Molecular weight
- 319.2 g/mol
- InChIKey
- VPAYQWRBBOGGPY-UHFFFAOYSA-N
- PubChem
- CID 76168
- Source
- PubChem
- Verified synonyms & catalog abbreviations
-
2'-Chlorodiazepam Ro 5-3448 Chlorodiazepam
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Chemical Architecture & Structural Profile
Diclazepam (7-chloro-5-(2-chlorophenyl)-1-methyl-3H-1,4-benzodiazepin-2-one) is a reference compound belonging to the Benzodiazepines and thienodiazepines class, characterized by the molecular formula C16H12Cl2N2O and a molar mass of 319.2 g/mol. The parent molecule is indexed under CAS registry number 2894-68-0 and in the NCBI PubChem database as CID 76168 (Standard InChIKey: VPAYQWRBBOGGPY-UHFFFAOYSA-N).
Citations
- PubChem — PubChem (2026-11-12)
Reference Toxicology & Safety Profile
In documented chemical and harm-reduction literature (PubChem / PsychonautWiki, CC BY 4.0), Diclazepam is indexed within the Benzodiazepines structural group. Toxicological notes (PsychonautWiki): low toxicity, potentially lethal when mixed with depressants like alcohol or opioids. Dependence liability (PsychonautWiki): extremely physically and psychologically addictive. Documented cross-tolerance class: GABAergic. Standard laboratory handling precautions—including nitrile gloves, eye protection, and local exhaust ventilation—apply whenever handling the reference material.
Citations
- PubChem — PubChem (2026-11-12)
Analytical Use & Laboratory Notice
This reference sheet provides chemical, analytical, and toxicological provenance only. The material is strictly not for human consumption, diagnostic, or veterinary use. Research-use labelling does not establish legal status in any jurisdiction.
Citations
- EUDA / National Chemical & Controlled Substance Registry (SG) — National Regulatory Authority (SG) (2026-11-12)