Trazodone EP Impurity A (HCl Salt)

About Trazodone EP Impurity A (HCl Salt)

Trazodone EP Impurity A (HCl Salt) is a pharmacopeial impurity of Trazodone carrying the CAS registry number 55290-66-9. The compound has the formula C19H23Cl2N5O2, corresponding to a molecular weight of 424.3 g/mol. Common synonyms include Trazodone Hydrochloride - Impurity A and Trazodone N-Oxide Hydrochloride.

It is supplied as a solid. Reference materials should be stored sealed and away from light and moisture, as specified on the accompanying COA. The GHS classification uses the signal word “Warning”, so appropriate gloves, eye protection and ventilation are recommended.

As a characterised impurity of Trazodone, 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 Trazodone

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

Trazodone impurities

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	Trazodone EP Impurity A (HCl Salt)
Catalogue No.	VQ-043337
CAS Number	55290-66-9
IUPAC name	2-[3-[4-(3-chlorophenyl)-1-oxidopiperazin-1-ium-1-yl]propyl]-[1,2,4]triazolo[4,3-a]pyridin-3-one;hydrochloride
Molecular formula	C₁₉H₂₃Cl₂N₅O₂
Molecular weight	424.3 g/mol
Exact mass	423.1229
Grade	Reference Standard
HSN code	38229090
InChIKey	OJHQPLQLZLMMEU-UHFFFAOYSA-N
SMILES	C1C[N+](CCN1C2=CC(=CC=C2)Cl)(CCCN3C(=O)N4C=CC=CC4=N3)[O-].Cl
PubChem CID	129318551

Physical properties
Physical form	Solid
H-bond donors / acceptors	1 / 4
TPSA	57.2 Å²

Safety & hazard information (GHS)

Harmful / irritant

Health hazard

Signal word: Warning

Hazard statements

H302Harmful if swallowed
H361Suspected of damaging fertility or the unborn child

Precautionary statements: P203, P264, P270, P280, P301 + P317, P318, P330, 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 Trazodone EP Impurity A (HCl Salt)?

The CAS Registry Number of Trazodone EP Impurity A (HCl Salt) is 55290-66-9. It is also known as Trazodone Hydrochloride - Impurity A, Trazodone Hydrochloride - Impurity A (Hydrochloride Salt), Trazodone N-Oxide Hydrochloride.

What is the molecular formula and molecular weight of Trazodone EP Impurity A (HCl Salt)?

Trazodone EP Impurity A (HCl Salt) has the molecular formula C19H23Cl2N5O2 and a molecular weight of 424.3 g/mol.

What is Trazodone EP Impurity A (HCl Salt) used for?

Trazodone EP Impurity A (HCl Salt) is supplied as a characterised reference material related to Trazodone. 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 Trazodone EP Impurity A (HCl Salt) can I order?

We supply Trazodone EP Impurity A (HCl Salt) 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 Trazodone EP Impurity A (HCl Salt)?

Yes. Every lot of Trazodone EP Impurity A (HCl Salt) 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 Trazodone EP Impurity A (HCl Salt) be shipped internationally?

Yes. Trazodone EP Impurity A (HCl Salt) 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.