Lorazepam EP Impurity E

Name: Lorazepam EP Impurity E
Brand: Vaqora Chemicals
SKU: VQ-031635

About Lorazepam EP Impurity E

Listed under CAS 93955-15-8, Lorazepam EP Impurity E is a pharmacopeial impurity of Lorazepam available from Vaqora Chemicals. With the molecular formula C15H8Cl2N2O, it has a molar mass of 303.1 g/mol. Systematically, it is named 6-chloro-4-(2-chlorophenyl)quinazoline-2-carbaldehyde. Common synonyms include Lorazepam - Impurity E and Lorazepam Related Compound C.

It is supplied as a solid. Keep the vial tightly closed, protected from light and humidity, at the temperature stated on the Certificate of Analysis. It carries the GHS signal word “Danger” with 3 hazard statements. 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. It is used across pharmaceutical manufacturing and academic and industrial research.

Standard pack sizes are 10 mg, 25 mg, 50 mg and 100 mg, and every batch ships with a Certificate of Analysis (COA) and we export 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 E
Catalogue No.	VQ-031635
CAS Number	93955-15-8
IUPAC name	6-chloro-4-(2-chlorophenyl)quinazoline-2-carbaldehyde
Molecular formula	C₁₅H₈Cl₂N₂O
Molecular weight	303.1 g/mol
Exact mass	302.0014
Grade	Reference Standard
HSN code	38229090
InChIKey	VUUITUUENPOMIU-UHFFFAOYSA-N
SMILES	C1=CC=C(C(=C1)C2=NC(=NC3=C2C=C(C=C3)Cl)C=O)Cl
PubChem CID	617488

Physical properties
Physical form	Solid
LogP (XLogP3)	4.3
H-bond donors / acceptors	0 / 3
TPSA	42.9 Å²
Synonyms	Lorazepam - Impurity E, Lorazepam Related Compound C, 6-chloro-4-(2-chlorophenyl)-2-Quinazolinecarboxaldehyde, 6-Chloro-4-(o-chlorophenyl)-2-quinazolinecarboxaldehyde, 2-Quinazolinecarboxaldehyde, 6-chloro-4-(2-chlorophenyl)-, Lorazepam impurity E, 6-chloro-4-(2-chlorophenyl)quinazoline-2-carboxaldehyde, 6-Chloro-4-(2-chlorophenyl)-quinazoline-2-carbaldehyde, Lorazepam impurity C, 6-Chloro-4-(2-chlorophenyl)-2-quinazolinecarbaldehyde #, 6-chloro-4-(o-chlorophenyl)-quinazoline-2-carboxaldehyde

Safety & hazard information (GHS)

Toxic

Harmful / irritant

Signal word: Danger

Hazard statements

H301Toxic if swallowed
H319Causes serious eye irritation
H413May cause long lasting harmful effects to aquatic life

Precautionary statements: P264, P264 + P265, P270, P273, P280, P301 + P316, P305 + P351 + P338, P321, P330, P337 + P317, 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 E?

The CAS Registry Number of Lorazepam EP Impurity E is 93955-15-8. It is also known as Lorazepam - Impurity E, Lorazepam Related Compound C, 6-chloro-4-(2-chlorophenyl)-2-Quinazolinecarboxaldehyde.

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

Lorazepam EP Impurity E has the molecular formula C15H8Cl2N2O and a molecular weight of 303.1 g/mol. Its IUPAC name is 6-chloro-4-(2-chlorophenyl)quinazoline-2-carbaldehyde.

What is Lorazepam EP Impurity E used for?

Lorazepam EP Impurity E 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 E can I order?

We supply Lorazepam EP Impurity E 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 E?

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

Yes. Lorazepam EP Impurity E 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.