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

Lorazepam d4

Reference StandardAvailable on request

Buy Lorazepam d4 (CAS 84344-15-0) from Zemixal. Lab and bulk packs, batch COA, fast global delivery. Packs from 10 mg. Catalogue no. ZX-045963.

Pack sizes
Lorazepam d4 chemical structure
CAS number84344-15-0
FormulaC15H10Cl2N2O2
Molar mass325.2 g/mol
Physical formSolid
HS code38229090
InChIKeyDIWRORZWFLOCLC-RHQRLBAQSA-N
IUPAC name7-chloro-5-(2-chloro-3,4,5,6-tetradeuteriophenyl)-3-hydroxy-1,3-dihydro-1,4-benzodiazepin-2-one

About Lorazepam d4

Lorazepam d4 belongs to the Lorazepam reference-standard family in the Zemixal catalogue. Identity at a glance (Reference Standard): CAS 84344-15-0, formula C15H10Cl2N2O2 and molar mass 325.2 g/mol. It is handled as a solid.

Where it is used

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

Safe handling

Classified under GHS with signal word Warning and hazard statements H336 and H362. Read the SDS before first use.

Available as 10 mg, 25 mg, 50 mg and 100 mg. Larger or split packs can be arranged. Every shipment includes a certificate of analysis with characterisation data. Send an enquiry through the quote panel and you get a formal offer with Incoterms and delivery time.

Reference standards for Lorazepam

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

Lorazepam standards

Typical uses

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

Applications

Grade guides

Specifications and identifiers

Specifications of Lorazepam d4
Product nameLorazepam d4
Catalogue numberZX-045963
CAS number84344-15-0
IUPAC name7-chloro-5-(2-chloro-3,4,5,6-tetradeuteriophenyl)-3-hydroxy-1,3-dihydro-1,4-benzodiazepin-2-one
Molecular formulaC15H10Cl2N2O2
Molar mass325.2 g/mol
Exact mass324.037
GradeReference Standard
Physical formSolid
XLogP32.4
H-bond donors / acceptors2 / 3
Topological polar surface area61.7 Ų
HS code38229090
InChIKeyDIWRORZWFLOCLC-RHQRLBAQSA-N
SMILES[2H]C1=C(C(=C(C(=C1[2H])C2=NC(C(=O)NC3=C2C=C(C=C3)Cl)O)Cl)[2H])[2H]
PubChem CID102601429

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

  • H336May cause drowsiness or dizziness
  • H362May cause harm to breast-fed children

Precautionary statements P203, P260, P261, P263, P264, P270, P271, P280, P304 + P340, P318, P319, P403 + P233, 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 Lorazepam d4
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 Lorazepam d4

Which CAS number identifies Lorazepam d4?
Lorazepam d4 is registered under CAS 84344-15-0. Our catalogue number for this item is ZX-045963.
What are the formula and molar mass of Lorazepam d4?
For Lorazepam d4, its formula is C15H10Cl2N2O2 and its molar mass is 325.2 g/mol. The systematic (IUPAC) name is 7-chloro-5-(2-chloro-3,4,5,6-tetradeuteriophenyl)-3-hydroxy-1,3-dihydro-1,4-benzodiazepin-2-one. InChIKey DIWRORZWFLOCLC-RHQRLBAQSA-N lets you match it in any structure database.
How is Lorazepam d4 used in pharmaceutical QC?
Lorazepam d4 is a characterised reference material linked to Lorazepam. 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 Lorazepam d4?
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 Lorazepam d4?
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 Lorazepam d4 to my country?
Yes. Because Lorazepam d4 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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