Venlafaxine impurities and related standards
18 reference standards related to Venlafaxine held in the RSSE catalogue — pharmacopoeial impurities, non-compendial impurities, metabolites and labelled analogues where available.
In this group: 15 impurity reference standards · 3 stable isotope labelled standards. CAS numbers are listed for 18 of 18; 13 entries carry a structure drawing.
| Compound | CAS No. | Catalogue No. | Formula | MW |
|---|---|---|---|---|
| Venlafaxine Impurity 30 | 1187545-61-4 | RS-V006006 | C32H48N2O4 | 524.73 |
| Venlafaxine EP Impurity C HCl | 130198-05-9 | RS-V006007 | C15H23NO2.HCl | 249.35 |
| Venlafaxine EP Impurity H | 1329795-88-1 | RS-V006008 | C24H33NO3 | 383.52 |
| Venlafaxine Impurity 37 | 1346600-38-1 | RS-V006009 | C16H23NO | 245.36 |
| Venlafaxine Impurity 10 | 1346600-77-8 | RS-V006010 | C13H19NO3 | 237.29 |
| Venlafaxine Impurity 43 | 1346601-14-6 | RS-V006011 | C25H35NO3 | 397.55 |
| Venlafaxine Impurity 26 | 1346601-55-5 | RS-V006012 | C16H23NO2 | 261.36 |
| Venlafaxine Impurity 46 | 1346605-18-2 | RS-V006013 | C16H25NO | 247.38 |
| Venlafaxine Impurity 48 | 135308-74-6 | RS-V006014 | C15H23NO2 | 249.35 |
| Venlafaxine Impurity 21 | 142761-11-3 | RS-V006015 | C16H25NO2 | 263.38 |
| Venlafaxine Impurity 20 | 142761-12-4 | RS-V006016 | C16H25NO2 | 263.38 |
| Venlafaxine Impurity 25 | 149289-29-2 | RS-V006017 | C14H21NO2 | 235.32 |
| Venlafaxine Impurity 4 | 29903-09-1 | RS-V006018 | C17H18O3 | 270.33 |
| Venlafaxine Impurity 27 | 1021933-95-8 | RS-V006001 | C16H25NO3 | 279.37 |
| Venlafaxine Impurity 44 | 1062605-69-9 | RS-V006002 | C16H19D6NO2 | 269.41 |
| Venlafaxine Impurity 23 | 1062609-96-4 | RS-V006003 | C16H19D6NO2 | 269.42 |
| Venlafaxine Impurity 22 | 1062609-99-7 | RS-V006004 | C16H19D6NO2 | 269.41 |
| Venlafaxine Impurity 34 | 1094598-37-4 | RS-V006005 | C17H27NO3 | 293.4 |
Structures
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Venlafaxine Impurity 30
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Venlafaxine EP Impurity C HCl
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Venlafaxine EP Impurity H
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Venlafaxine Impurity 37
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Venlafaxine Impurity 10
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Venlafaxine Impurity 43
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Venlafaxine Impurity 26
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Venlafaxine Impurity 46
COA per lot
Frequently asked
How many Venlafaxine-related reference standards do you hold?
18 standards are listed on this page as of the latest catalogue build. CAS numbers are published for 18 of them and 13 entries carry a structure drawing. The catalogue is extended as new lots are released.
Can you supply a Venlafaxine impurity that is not listed here?
Yes. Non-compendial impurities can be quoted from a structure — a CAS number is not required. Send the structure, a SMILES string or the parent drug substance with your enquiry and we will come back with availability.
What documentation is supplied with Venlafaxine impurities?
Every lot ships with its own certificate of analysis. The certificate records the catalogue number, the batch number, the tests performed, the specification applied and the result obtained for that lot. A safety data sheet is supplied with the shipment.
Do you publish prices or a lead time for Venlafaxine impurities?
No price list is published: quotations are prepared per enquiry, because availability and packing depend on the lot and the quantity you need. Send the catalogue number and the quantity and a technical contact will answer with availability and a quotation.
Cannot find the impurity you need? Non-compendial impurities can be quoted from a structure — a CAS number is not required. Write to [email protected].







