Tolvaptan impurities and related standards
15 reference standards related to Tolvaptan held in the RSSE catalogue — pharmacopoeial impurities, non-compendial impurities, metabolites and labelled analogues where available.
CAS numbers are listed for 15 of 15; 14 entries carry a structure drawing.
| Compound | CAS No. | Catalogue No. | Formula | MW |
|---|---|---|---|---|
| Tolvaptan Impurity 7 | 118-90-1 | RS-T058001 | C8H8O2 | 136.15 |
| Tolvaptan Impurity 21 | 1305606-71-6 | RS-T058003 | C15H13NO3 | 255.27 |
| Tolvaptan Impurity 38 | 1310357-40-4 | RS-T058004 | C10H12ClNO | 197.66 |
| Tolvaptan Impurity 4 | 137973-76-3 | RS-T058005 | C26H23ClN2O3 | 446.93 |
| Tolvaptan Impurity 16 | 137977-97-0 | RS-T058006 | C18H17ClN2O2 | 328.79 |
| Tolvaptan Impurity 52 | 1429808-62-7 | RS-T058007 | C14H18ClNO4 | 299.75 |
| Tolvaptan Impurity 3 | 1432725-23-9 | RS-T058008 | C26H26N2O3 | 414.5 |
| Tolvaptan Impurity 14 | 1432725-24-0 | RS-T058009 | C18H19ClN2O2 | 330.81 |
| Tolvaptan Impurity 18 | 150683-27-5 | RS-T058010 | C25H23ClN2O3 | 434.91 |
| Tolvaptan Impurity 19 | 1580889-25-3 | RS-T058011 | C26H25ClN2O3 | 448.94 |
| Tolvaptan Impurity 17 | 1580889-33-3 | RS-T058012 | C25H23ClN2O3 | 434.91 |
| Tolvaptan Impurity 24 | 1580889-34-4 | RS-T058013 | C26H20ClN3O7 | 521.1 |
| Tolvaptan Impurity 42 | 1587638-01-4 | RS-T058014 | C26H27ClN2O4 | 466.96 |
| Tolvaptan Impurity 54 | 317374-08-6 | RS-T058015 | C16H15NO3 | 269.3 |
| Tolvaptan Impurity 39 | 1283471-00-0 | RS-T058002 | C16H15NO3 | 269.3 |
Structures
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Tolvaptan Impurity 7
COA per lot -
Tolvaptan Impurity 21
COA per lot -
Tolvaptan Impurity 38
COA per lot -
Tolvaptan Impurity 4
COA per lot -
Tolvaptan Impurity 16
COA per lot -
Tolvaptan Impurity 52
COA per lot -
Tolvaptan Impurity 3
COA per lot -
Tolvaptan Impurity 14
COA per lot
Frequently asked
How many Tolvaptan-related reference standards do you hold?
15 standards are listed on this page as of the latest catalogue build. CAS numbers are published for 15 of them and 14 entries carry a structure drawing. The catalogue is extended as new lots are released.
Can you supply a Tolvaptan 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 Tolvaptan 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 Tolvaptan 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].







