Azelastine EP Impurity B

Name: Azelastine EP Impurity B
Brand: Vaqora Chemicals
SKU: VQ-029329

About Azelastine EP Impurity B

Azelastine EP Impurity B (CAS 110406-94-5) is a pharmacopeial impurity of Azelastine offered by Vaqora Chemicals. The compound has the formula C14H21N3O, corresponding to a molecular weight of 247.34 g/mol. Its systematic (IUPAC) name is N'-(1-methylazepan-4-yl)benzohydrazide. Alternative names: Azelastine Hydrochloride Impurity B and (RS)-N'-(1-methylazepan-4-yl)benzohydrazide.

It is supplied as a solid. Store the standard in its sealed vial, protected from light and moisture, and follow the storage condition printed on the COA. The GHS classification uses the signal word “Warning”, so appropriate gloves, eye protection and ventilation are recommended.

This Azelastine impurity supports analytical method development and validation (AMV), batch release testing and the impurity sections of ANDA and DMF filings. Typical end-use sectors are pharmaceutical manufacturing and academic and industrial research.

We offer Azelastine EP Impurity B in 10 mg, 25 mg, 50 mg and 100 mg packs with a batch-specific COA, and ship to customers worldwide.

Typical applications

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

Industries

Related to Azelastine

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

Azelastine impurities

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	Azelastine EP Impurity B
Catalogue No.	VQ-029329
CAS Number	110406-94-5
IUPAC name	N'-(1-methylazepan-4-yl)benzohydrazide
Molecular formula	C₁₄H₂₁N₃O
Molecular weight	247.34 g/mol
Exact mass	247.1685
Grade	Reference Standard
HSN code	38229090
InChIKey	HJCSHXABAVJCGJ-UHFFFAOYSA-N
SMILES	CN1CCCC(CC1)NNC(=O)C2=CC=CC=C2
PubChem CID	14014367

Physical properties
Physical form	Solid
LogP (XLogP3)	1.9
H-bond donors / acceptors	2 / 3
TPSA	44.4 Å²
Synonyms	Azelastine Hydrochloride - Impurity B (Free base), Benzoic acid, 2-(hexahydro-1-methyl-1H-azepin-4-yl)hydrazide, 1-Benzoyl-2-(1-methylhexahydro-1H-azepin-4-yl)diazane, 1-Benzoyl-2-((4RS)-1-methylhexahydro-1H-azepin-4-yl)diazane, Azelastine Hydrochloride Impurity B, (+/-)-1-Benzoyl-2-(1-methylhexahydro-1H-azepin-4-yl)diazane, 1-Benzoyl-2-(1-methylhexahydro-1H-azepin-4-yl)diazane, (+/-)-, (RS)-N'-(1-methylazepan-4-yl)benzohydrazide

Safety & hazard information (GHS)

Harmful / irritant

Signal word: Warning

Hazard statements

H302Harmful if swallowed
H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation

Precautionary statements: P261, P264, P264 + P265, P270, P271, P280, P301 + P317, P302 + P352, P304 + P340, P305 + P351 + P338, P319, P321, P330, P332 + P317, P337 + P317, P362 + P364, P403 + P233, 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 Azelastine EP Impurity B?

The CAS Registry Number of Azelastine EP Impurity B is 110406-94-5. It is also known as Azelastine Hydrochloride - Impurity B (Free base), Benzoic acid, 2-(hexahydro-1-methyl-1H-azepin-4-yl)hydrazide, 1-Benzoyl-2-(1-methylhexahydro-1H-azepin-4-yl)diazane.

What is the molecular formula and molecular weight of Azelastine EP Impurity B?

Azelastine EP Impurity B has the molecular formula C14H21N3O and a molecular weight of 247.34 g/mol. Its IUPAC name is N'-(1-methylazepan-4-yl)benzohydrazide.

What is Azelastine EP Impurity B used for?

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

We supply Azelastine EP Impurity B 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 Azelastine EP Impurity B?

Yes. Every lot of Azelastine EP Impurity B 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 Azelastine EP Impurity B be shipped internationally?

Yes. Azelastine EP Impurity B 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.