Lorazepam EP Impurity D

Name: Lorazepam EP Impurity D
Brand: Vaqora Chemicals
SKU: VQ-031636

About Lorazepam EP Impurity D

Lorazepam EP Impurity D (CAS 54699-91-1) is a pharmacopeial impurity of Lorazepam offered by Vaqora Chemicals. With the molecular formula C15H10Cl2N2O2, it has a molar mass of 321.2 g/mol. Its systematic (IUPAC) name is 7-chloro-5-(2-chlorophenyl)-4,5-dihydro-1H-1,4-benzodiazepine-2,3-dione. Alternative names: Lorazepam - Impurity D and Lorazepam specified impurity D.

The product is provided as a solid. Store the standard in its sealed vial, protected from light and moisture, and follow the storage condition printed on the COA. It carries the GHS signal word “Warning” with 1 hazard statement. Review the Safety Data Sheet before use.

As a characterised impurity of Lorazepam, it is used for analytical method development, method validation (AMV) and routine quality-control testing, and it supports ANDA and DMF regulatory filings. Buyers come mainly from pharmaceutical manufacturing and academic and industrial research.

Available in 10 mg, 25 mg, 50 mg and 100 mg packs, Lorazepam EP Impurity D is dispatched with a Certificate of Analysis (COA) to destinations worldwide.

Typical applications

Pharmacopeial method verification
Impurity profiling
QC release testing
ANDA / DMF filings

Industries

Related to Lorazepam

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

Lorazepam impurities

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	Lorazepam EP Impurity D
Catalogue No.	VQ-031636
CAS Number	54699-91-1
IUPAC name	7-chloro-5-(2-chlorophenyl)-4,5-dihydro-1H-1,4-benzodiazepine-2,3-dione
Molecular formula	C₁₅H₁₀Cl₂N₂O₂
Molecular weight	321.2 g/mol
Exact mass	320.0119
Grade	Reference Standard
HSN code	38229090
InChIKey	QVUVOEFASMHBFO-UHFFFAOYSA-N
SMILES	C1=CC=C(C(=C1)C2C3=C(C=CC(=C3)Cl)NC(=O)C(=O)N2)Cl
PubChem CID	15195413

Physical properties
Physical form	Solid
LogP (XLogP3)	3.3
H-bond donors / acceptors	2 / 2
TPSA	58.2 Å²
Synonyms	Lorazepam - Impurity D, (5RS)-7-Chloro-5-(2-chlorophenyl)-4,5-dihydro-1H-1,4-benzodiazepine-2,3-dione, 1H-1,4-Benzodiazepine-2,3-dione, 7-chloro-5-(2-chlorophenyl)-4,5-dihydro-, 7-Chloro-5-(2-chlorophenyl)-4,5-dihydro-1H-1,4-benzodiazepine-2,3-dione, (5RS)-, Lorazepam specified impurity D, 7-Chloro-5-(2-chlorophenyl)-4,5-dihydro-1H-1,4-benzodiazepine-2,3-dione, (+-)-, 7-Chloro-5-(2-chlorophenyl)-4,5-dihydro-1H-1,4-benzodiazepine-2,3-dione, (+/-)-, 7-chloro-5-(2-chlorophenyl)-4,5-dihydro-1H-benzo[e][1,4]diazepine-2,3-dione, (+/-)-7-chloro-5-(2-chlorophenyl)-4,5-dihydro-1H-1,4-benzodiazepine-2,3-dione

Safety & hazard information (GHS)

Health hazard

Signal word: Warning

Hazard statements

H361Suspected of damaging fertility or the unborn child

Precautionary statements: P203, P280, P318, P405, 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 Lorazepam EP Impurity D?

The CAS Registry Number of Lorazepam EP Impurity D is 54699-91-1. It is also known as Lorazepam - Impurity D, (5RS)-7-Chloro-5-(2-chlorophenyl)-4,5-dihydro-1H-1,4-benzodiazepine-2,3-dione, 1H-1,4-Benzodiazepine-2,3-dione, 7-chloro-5-(2-chlorophenyl)-4,5-dihydro-.

What is the molecular formula and molecular weight of Lorazepam EP Impurity D?

Lorazepam EP Impurity D has the molecular formula C15H10Cl2N2O2 and a molecular weight of 321.2 g/mol. Its IUPAC name is 7-chloro-5-(2-chlorophenyl)-4,5-dihydro-1H-1,4-benzodiazepine-2,3-dione.

What is Lorazepam EP Impurity D used for?

Lorazepam EP Impurity D is supplied as a characterised reference material related to Lorazepam. 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 Lorazepam EP Impurity D can I order?

We supply Lorazepam EP Impurity D 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 Lorazepam EP Impurity D?

Yes. Every lot of Lorazepam EP Impurity D 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 Lorazepam EP Impurity D be shipped internationally?

Yes. Lorazepam EP Impurity D 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.