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European Pharmacopoeia (EP) Reference Standard

Ro 5-2807, 7-Chloro-1-methyl-5-phenyl-3H-1,4-benzodiazepin-2(1H)-one
Empirical Formula (Hill Notation):
CAS Number:
Molecular Weight:
MDL number:
PubChem Substance ID:


pharmaceutical primary standard



drug control

USDEA Schedule I; regulated under CDSA - not available from Sigma-Aldrich Canada; psicótropo (Spain); Decreto Lei 15/93: Tabela IV (Portugal)


pharmaceutical (small molecule)



storage temp.


SMILES string




InChI key


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General description

This product is provided as delivered and specified by the issuing Pharmacopoeia. All information provided in support of this product, including SDS and any product information leaflets have been developed and issued under the Authority of the issuing Pharmacopoeia.For further information and support please go to the website of the issuing Pharmacopoeia.

Biochem/physiol Actions

Diazepam is a benzodiazepine anxiolytic agent. It serves as a prototype ligand for the GABAA receptor benzodiazepine modulatory site.


Unit quantity: 10 mg. Subject to change. The product is delivered as supplied by the issuing Pharmacopoeia. For the current unit quantity, please visit the EDQM reference substance catalogue.


Other Notes

Sales restrictions may apply.


Skull and crossbonesEnvironment

Signal Word


Hazard Statements

Hazard Classifications

Acute Tox. 3 Dermal - Acute Tox. 3 Oral - Aquatic Chronic 1

Storage Class Code

6.1C - Combustible, acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects



Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Certificate of Analysis

Enter Lot Number to search for Certificate of Analysis (COA).

Certificate of Origin

Enter Lot Number to search for Certificate of Origin (COO).

More Documents

Quotes and Ordering

Matteo Cerri et al.
PloS one, 9(11), e112849-e112849 (2014-11-15)
Neurons within the lateral hypothalamus (LH) are thought to be able to evoke behavioural responses that are coordinated with an adequate level of autonomic activity. Recently, the acute pharmacological inhibition of LH has been shown to depress wakefulness and promote
Ryota Inokuchi et al.
Medicine, 94(7), e555-e555 (2015-02-24)
Administering diazepam intravenously or rectally in an adult with status epilepticus can be difficult and time consuming. The aim of this study was to examine whether intranasal diazepam is an effective alternative to intravenous diazepam when treating status epilepticus. We
Jean-Baptiste Faure et al.
Epilepsia, 55(5), 644-653 (2014-03-14)
Temporal lobe epilepsy is a relatively frequent, invalidating, and often refractory neurologic disorder. It is associated with cognitive impairments that affect memory and executive functions. In the rat lithium-pilocarpine temporal lobe epilepsy model, memory impairment and anxiety disorder are classically
Caio Maximino et al.
PloS one, 9(7), e103943-e103943 (2014-08-01)
A major hindrance for the development of psychiatric drugs is the prediction of how treatments can alter complex behaviors in assays which have good throughput and physiological complexity. Here we report the development of a medium-throughput screen for drugs which
James M Chamberlain et al.
JAMA, 311(16), 1652-1660 (2014-04-24)
Benzodiazepines are considered first-line therapy for pediatric status epilepticus. Some studies suggest that lorazepam may be more effective or safer than diazepam, but lorazepam is not Food and Drug Administration approved for this indication. To test the hypothesis that lorazepam

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