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Pharmacopeial Impurities (EP / USP / BP)Reference StandardAvailable on request

Trazodone EP Impurity C

Synonyms: Trazodone BP Impurity C (free base) · Trazodone Hydrochloride - Impurity C (Freebase) · 4-Chloro Trazodone Isomer · 1,2,4-Triazolo(4,3-a)pyridin-3(2H)-one, 2-(3-(4-(4-chlorophenyl)-1-piperazinyl)propyl)-

CAS No.157072-19-0
FormulaC19H22ClN5O
Mol. weight371.90
Catalogue No.VQ-028487
PurityReference Standard
HSN38229090

Trazodone EP Impurity C (CAS 157072-19-0) – Trazodone impurity standard. C19H22ClN5O, MW 371.9. Order from Vaqora Chemicals with COA and global delivery.

Pack sizesPrice on quotation · bulk available
10 mg
25 mg
50 mg
100 mg
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16-section GHS SDS
Export to 120+ countries
DG-compliant packing

About Trazodone EP Impurity C

Listed under CAS 157072-19-0, Trazodone EP Impurity C is a pharmacopeial impurity of Trazodone available from Vaqora Chemicals. With the molecular formula C19H22ClN5O, it has a molar mass of 371.9 g/mol. The IUPAC name is 2-[3-[4-(4-chlorophenyl)piperazin-1-yl]propyl]-[1,2,4]triazolo[4,3-a]pyridin-3-one. Common synonyms include Trazodone BP Impurity C (free base) and 4-Chloro Trazodone Isomer.

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. Good laboratory practice and suitable PPE are recommended during handling.

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

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Specifications & identifiers

Chemical identifiers
Product nameTrazodone EP Impurity C
Catalogue No.VQ-028487
CAS Number157072-19-0
IUPAC name2-[3-[4-(4-chlorophenyl)piperazin-1-yl]propyl]-[1,2,4]triazolo[4,3-a]pyridin-3-one
Molecular formulaC19H22ClN5O
Molecular weight371.9 g/mol
Exact mass371.1513
GradeReference Standard
HSN code38229090
InChIKeyZUZALSYWCGGMET-UHFFFAOYSA-N
SMILESC1CN(CCN1CCCN2C(=O)N3C=CC=CC3=N2)C4=CC=C(C=C4)Cl
PubChem CID71314821
Physical properties
Physical formSolid
LogP (XLogP3)2.8
H-bond donors / acceptors0 / 4
TPSA42.4 Ų
SynonymsTrazodone BP Impurity C (free base), Trazodone Hydrochloride - Impurity C (Freebase), 4-Chloro Trazodone Isomer, 1,2,4-Triazolo(4,3-a)pyridin-3(2H)-one, 2-(3-(4-(4-chlorophenyl)-1-piperazinyl)propyl)-, 2-3-(4-(4-Chlorophenyl)piperazin-1-yl)propyl-1,2,4-triazolo(4,3-a)pyridin-3(2H)-one, 4-Chloro trazodone, 2-{3-[4-(4-chlorophenyl)piperazin-1-yl]propyl}-2H,3H-[1,2,4]triazolo[4,3-a]pyridin-3-one, 2-(3-(4-(4-chlorophenyl)piperazin-1-yl)propyl)-[1,2,4]triazolo[4,3-a]pyridin-3(2H)-one, 2-{3-[4-(4-Chlorophenyl)piperazin-1-yl]propyl}[1,2,4]triazolo[4,3-a]pyridin-3(2H)-one

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Frequently asked questions

What is the CAS number of Trazodone EP Impurity C?

The CAS Registry Number of Trazodone EP Impurity C is 157072-19-0. It is also known as Trazodone BP Impurity C (free base), Trazodone Hydrochloride - Impurity C (Freebase), 4-Chloro Trazodone Isomer.

What is the molecular formula and molecular weight of Trazodone EP Impurity C?

Trazodone EP Impurity C has the molecular formula C19H22ClN5O and a molecular weight of 371.9 g/mol. Its IUPAC name is 2-[3-[4-(4-chlorophenyl)piperazin-1-yl]propyl]-[1,2,4]triazolo[4,3-a]pyridin-3-one.

What is Trazodone EP Impurity C used for?

Trazodone EP Impurity C 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 C can I order?

We supply Trazodone EP Impurity C 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 C?

Yes. Every lot of Trazodone EP Impurity C 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 C be shipped internationally?

Yes. We export Trazodone EP Impurity C worldwide by air and sea freight or express courier, on EXW, FOB, CIF, CFR or DAP Incoterms, with full export documentation.

Enquire about Trazodone EP Impurity C

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Why buyers choose Vaqora

  • Batch-traceable lots with COA
  • R&D packs to multi-tonne supply
  • IATA / IMDG dangerous-goods packing
  • EXW, FOB, CIF, DAP Incoterms
  • Custom synthesis & sourcing
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Related products

Reference Standard
Trazodone N-Oxide chemical structure
Trazodone N-Oxide
CAS
55290-68-1
Formula
C19H22ClN5O2
MW
387.9 g/mol
VQ-034395

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