Nifedipine impurities and related standards
6 reference standards related to Nifedipine held in the RSSE catalogue — pharmacopoeial impurities, non-compendial impurities, metabolites and labelled analogues where available.
CAS numbers are listed for 6 of 6; 4 entries carry a structure drawing.
| Compound | CAS No. | Catalogue No. | Formula | MW |
|---|---|---|---|---|
| Nifedipine Impurity 5 | 114709-68-1 | RS-N021003 | C16H17N3O5 | 331.12 |
| Nifedipine Impurity 38 | 145655-13-6 | RS-N021004 | C17H16N2O7 | 360.32 |
| Nifedipine Impurity 36 | 15846-25-0 | RS-N021005 | C4H8N2O | 100.12 |
| Nifedipine Impurity 3 | 74936-81-5 | RS-N021006 | C15H14N2O6 | 318.29 |
| Nifedipine Impurity 6 | 108139-78-2 | RS-N021001 | C19H18N4O6 | 398.12 |
| Nifedipine EP Impurity C (Z-Isomer) | 111304-31-5 | RS-N021002 | C12H11NO5 | 249.22 |
Structures
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Nifedipine Impurity 5
COA per lot -
Nifedipine Impurity 38
COA per lot -
Nifedipine Impurity 36
COA per lot -
Nifedipine Impurity 3
COA per lot -
Nifedipine Impurity 6
COA per lot -
Nifedipine EP Impurity C (Z-Isomer)
COA per lot
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].



