Chlordiazepoxide-d5

Name: Chlordiazepoxide-d5
Brand: Vaqora Chemicals
SKU: VQ-045012

About Chlordiazepoxide-d5

Listed under CAS 65891-81-8, Chlordiazepoxide-d5 is a stable isotope labelled analogue related to Chlordiazepoxide available from Vaqora Chemicals. The compound has the formula C16H14ClN3O, corresponding to a molecular weight of 304.78 g/mol. The IUPAC name is 7-chloro-4-hydroxy-N-methyl-5-(2,3,4,5,6-pentadeuteriophenyl)-3H-1,4-benzodiazepin-2-imine. Common synonyms include Chlordiazepoxide-d5 (phenyl-d5).

The product is provided as a solid. Reference materials should be stored sealed and away from light and moisture, as specified on the accompanying COA. Under GHS it is labelled “Warning”, so handle it with suitable PPE and consult the SDS.

This isotope-labelled compound is used as an internal standard for LC-MS and LC-MS/MS quantitation of Chlordiazepoxide and related analytes in bioanalytical, pharmacokinetic and impurity studies. Typical end-use sectors are pharmaceutical manufacturing and academic and industrial research.

Available in 10 mg, 25 mg, 50 mg and 100 mg packs, Chlordiazepoxide-d5 is dispatched with a Certificate of Analysis (COA) to destinations worldwide.

Typical applications

LC-MS/MS internal standard
Bioanalytical quantitation
Pharmacokinetic studies

Industries

Related to Chlordiazepoxide

View every impurity, metabolite and intermediate we list for Chlordiazepoxide.

Chlordiazepoxide impurities

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	Chlordiazepoxide-d5
Catalogue No.	VQ-045012
CAS Number	65891-81-8
IUPAC name	7-chloro-4-hydroxy-N-methyl-5-(2,3,4,5,6-pentadeuteriophenyl)-3H-1,4-benzodiazepin-2-imine
Molecular formula	C₁₆H₁₄ClN₃O
Molecular weight	304.78 g/mol
Exact mass	304.1139
Grade	Reference Standard
HSN code	38229090
InChIKey	BUCORZSTKDOEKQ-VIQYUKPQSA-N
SMILES	[2H]C1=C(C(=C(C(=C1[2H])[2H])C2=C3C=C(C=CC3=NC(=NC)CN2O)Cl)[2H])[2H]
PubChem CID	45038609

Physical properties
Physical form	Solid
LogP (XLogP3)	2.4
H-bond donors / acceptors	1 / 3
TPSA	48.2 Å²

Safety & hazard information (GHS)

Harmful / irritant

Signal word: Warning

Hazard statements

H302Harmful if swallowed

Precautionary statements: P264, P270, P301 + P317, P330, P501

Classification is indicative (aggregated GHS notifications) and may vary by grade and concentration. Always refer to the SDS supplied with your lot.

Documents

Safety Data Sheet (SDS)16-section GHS · on request Certificate of AnalysisTypical / batch COA · on request Specification sheetTDS / MOA · on request

Frequently asked questions

What is the CAS number of Chlordiazepoxide-d5?

The CAS Registry Number of Chlordiazepoxide-d5 is 65891-81-8. It is also known as Chlordiazepoxide-d5 (phenyl-d5), (2Z)-7-Chloro-2-(methylimino)-5-(~2~H_5_)phenyl-2,3-dihydro-4H-1,4-benzodiazepin-4-ol.

What is the molecular formula and molecular weight of Chlordiazepoxide-d5?

Chlordiazepoxide-d5 has the molecular formula C16H14ClN3O and a molecular weight of 304.78 g/mol. Its IUPAC name is 7-chloro-4-hydroxy-N-methyl-5-(2,3,4,5,6-pentadeuteriophenyl)-3H-1,4-benzodiazepin-2-imine.

What is Chlordiazepoxide-d5 used for?

Chlordiazepoxide-d5 is supplied as a characterised reference material related to Chlordiazepoxide. It is used for analytical method development and validation (AMV), impurity profiling, stability studies and quality control, and in ANDA/DMF regulatory filings.

Which grade and pack sizes of Chlordiazepoxide-d5 can I order?

We supply Chlordiazepoxide-d5 in Reference Standard grade, in 10 mg, 25 mg, 50 mg, 100 mg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Chlordiazepoxide-d5?

Yes. Every lot of Chlordiazepoxide-d5 is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.

Can Chlordiazepoxide-d5 be shipped internationally?

Yes. Chlordiazepoxide-d5 is classified as hazardous, so it is packed in UN-approved packaging and shipped as dangerous goods under IATA/IMDG rules. We export worldwide on EXW, FOB, CIF and DAP terms.