Venlafaxine O-Desmethyl Cyclic Impurity

Venlafaxine O-Desmethyl Cyclic Impurity is chemically 4-(3-Methyl-1-oxa-3-azaspiro[5.5]undecan-5-yl)phenol. Venlafaxine O-Desmethyl Cyclic Impurity is supplied with detailed characterization data compliant with regulatory guideline. Venlafaxine O-Desmethyl Cyclic Impurity can be used for the analytical method development, method validation (AMV), Quality Controlled (QC) application for Abbreviated New Drug Application (ANDA) or during commercial production of Venlafaxine.

The product can be used as reference standards and further traceability against pharmacopeial standards (USP or EP) can be provided based on feasibility. SynZeal products are for analytical purpose only and not for human use.

An Improved and Impurity-Free Large-Scale Synthesis of Venlafaxine Hydrochloride
Mohanarangam Saravanan, Bollikonda Satyanarayana, and Padi Pratap Reddy
Org. Process Res. Dev. 2011, 15, 6, 1392–1395
 
Simultaneous stereoselective analysis of venlafaxine and O-desmethylvenlafaxine enantiomers in clinical samples by capillary electrophoresis using charged cyclodextrins
Serge Rudaz, Cinzia Stella, Androniki E Balant-Gorgia, Salvatore Fanali, Jean-Luc Veuthey
Journal of Pharmaceutical and Biomedical Analysis Volume 23, Issue 1, 1 August 2000, Pages 107-115

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Delivery time:

• In Stock product will dispatch in 24 h after receipt of purchase order. It usually take 2-3 days to receive products in India and 5-6 working days for export customer depending on destination.
• The custom synthesis products would be dispatched as per quoted timeline.

Shipping:

• There will be 100 USD towards logistic charges per shipment if we used our FedEx. There will not be any charge if we use your FedEx/DHL Account. Depending on part shipment logistic charges will be added.
• For countries dispatch by courier is not allowed where product would be dispatched in cargo mode as per agreed Inco term.

Additional Charges:

• Controlled substance charges need to follow as per quotation. The specific inputs are required for controlled substance because regulatory status will differ based on destination.
• Cold Shipment Charges needs to be considered as per quotation.
• For ice pack there are no additional charges.

Technical Queries:

• All technical queries need to raise within 15 days of product receipt. Thereafter it will be our resolved at our discretion.

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