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Stable Isotope Labelled Standards (Deuterated, 13C, 15N)

Diazepam D5

Reference StandardAvailable on request

Order Diazepam D5 (CAS 65854-76-4) online at Zemixal. Request a quote with price, lead time and documents. Catalogue no. ZX-028964.

Pack sizes
Diazepam D5 chemical structure
CAS number65854-76-4
FormulaC16H13ClN2O
Molar mass289.77 g/mol
Physical formSolid
HS code38229090
InChIKeyAAOVKJBEBIDNHE-VIQYUKPQSA-N
IUPAC name7-chloro-1-methyl-5-(2,3,4,5,6-pentadeuteriophenyl)-3H-1,4-benzodiazepin-2-one

About Diazepam D5

Zemixal lists Diazepam D5 for laboratories that identify, quantify or control Diazepam and its related substances. For your records (Reference Standard), the material is defined by CAS 65854-76-4, formula C16H13ClN2O and molar mass 289.77 g/mol. It is handled as a solid.

Common uses in the lab and plant

  • LC-MS/MS internal standard
  • Bioanalytical quantitation
  • Pharmacokinetic studies

Handling and storage

It carries the GHS signal word Warning (H302, H312, H332 and H351), so wear gloves and eye protection and work with good ventilation.

Standard pack sizes are 10 mg, 25 mg, 50 mg and 100 mg, and custom quantities are quoted on request. Each lot travels with a certificate of analysis with characterisation data. Request pricing online and we confirm availability, documentation and freight to your country.

Reference standards for Diazepam

See every impurity, metabolite and related compound we list for this API.

Diazepam standards

Typical uses

  • LC-MS/MS internal standard
  • Bioanalytical quantitation
  • Pharmacokinetic studies

Applications

Pharmaceutical Manufacturing and QCResearch Labs and Universities

Grade guides

Deuterated and Stable-Isotope-Labelled Compounds

Specifications and identifiers

Specifications of Diazepam D5
Product nameDiazepam D5
Catalogue numberZX-028964
CAS number65854-76-4
IUPAC name7-chloro-1-methyl-5-(2,3,4,5,6-pentadeuteriophenyl)-3H-1,4-benzodiazepin-2-one
Molecular formulaC16H13ClN2O
Molar mass289.77 g/mol
Exact mass289.103
GradeReference Standard
Physical formSolid
XLogP33
H-bond donors / acceptors0 / 2
Topological polar surface area32.7 Ų
HS code38229090
InChIKeyAAOVKJBEBIDNHE-VIQYUKPQSA-N
SMILES[2H]C1=C(C(=C(C(=C1[2H])[2H])C2=NCC(=O)N(C3=C2C=C(C=C3)Cl)C)[2H])[2H]
PubChem CID45358967
SynonymsDiazepam-D5 (PSY), Diazepam-d5 (phenyl-d5), 2H-1,4-Benzodiazepin-2-one, 7-chloro-1,3-dihydro-1-methyl-5-(phenyl-2,3,4,5,6-d5)-, 7-Chloro-1-methyl-5-(~2~H_5_)phenyl-1,3-dihydro-2H-1,4-benzodiazepin-2-one

Lot values are stated on the batch certificate of analysis. Ask for a typical COA with your quotation.

Safety and GHS hazards

GHS07 Irritant or harmful
Irritant or harmful
GHS08 Health hazard
Health hazard

Signal word Warning

  • H302Harmful if swallowed
  • H312Harmful in contact with skin
  • H332Harmful if inhaled
  • H351Suspected of causing cancer

Precautionary statements P203, P261, P264, P270, P271, P280, P301 + P317, P302 + P352, P304 + P340, P317, P318, P321, P330, P362 + P364, P405, P501

Classification summarised from public GHS notifications. It can vary with grade and concentration, so always follow the SDS supplied with your lot.

Pack sizes

Pack sizes of Diazepam D5
10 mgQuoted on request
25 mgQuoted on request
50 mgQuoted on request
100 mgQuoted on request

Need a different size? Bulk drums and custom packing are quoted on request through the quote form on this page.

Questions about Diazepam D5

Which CAS number identifies Diazepam D5?
Diazepam D5 is registered under CAS 65854-76-4. You may also see it listed as Diazepam-D5 (PSY), Diazepam-d5 (phenyl-d5), 2H-1,4-Benzodiazepin-2-one, 7-chloro-1,3-dihydro-1-methyl-5-(phenyl-2,3,4,5,6-d5)-. Our catalogue number for this item is ZX-028964.
What are the formula and molar mass of Diazepam D5?
For Diazepam D5, its formula is C16H13ClN2O and its molar mass is 289.77 g/mol. The systematic (IUPAC) name is 7-chloro-1-methyl-5-(2,3,4,5,6-pentadeuteriophenyl)-3H-1,4-benzodiazepin-2-one. InChIKey AAOVKJBEBIDNHE-VIQYUKPQSA-N lets you match it in any structure database.
How is Diazepam D5 used in pharmaceutical QC?
Diazepam D5 is a characterised reference material linked to Diazepam. Laboratories use it to identify and quantify this impurity during method development and validation, stability work, batch release testing and regulatory submissions.
What grade and pack sizes are available for Diazepam D5?
This listing is Reference Standard grade. Standard packs are 10 mg, 25 mg, 50 mg, 100 mg. Larger quantities and custom packing can be quoted on request.
Which documents come with Diazepam D5?
Each lot ships with a batch certificate of analysis and a 16-section GHS safety data sheet. A typical COA or specification sheet can be shared with the quotation before you order.
Can Zemixal ship Diazepam D5 to my country?
Yes. Because Diazepam D5 is classed as hazardous, it travels in UN-approved packaging as dangerous goods under IATA or IMDG rules, with the export paperwork your broker needs.

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