Species with data from:

Maurer, H.H.; Arlt, J.W., Screening procedure for detection of dihydropyridine calcium channel blocker metabolites in urine as part of a systematic toxicological analysis procedure for acidic compounds by gas chromatography-mass spectrometry after extractive methylation, J. Anal. Toxicol., 1999, 23, 2, 73-80, https://doi.org/10.1093/jat/23.2.73 .

13 matching species were found.

For each matching species the following will be displayed:

• Chemical name
• Chemical formula
• Structure image (if available)

Click on the name to see more data.

1. Methyl stearate (C₁₉H₃₈O₂)
   
2. Nitrendipine M (dehydro-desethyl, methyl ester) (C₁₇H₁₆N₂O₆)
   
3. Nimodipine M (dehydro-desisopropyl-O-desmethyl, methyl ester) (C₁₉H₂₀N₂O₇)
   
4. Nimodipine M (dehydro-O-desmethyl-carboxy, methyl ester) (C₂₀H₂₀N₂O₈)
   
5. Nimodipine M (dehydro-desisopropyl-O-desmethyl-carboxy, dimethyl ester) (C₁₉H₁₈N₂O₈)
   
6. Nimodipine M (dehydro-desmethoxyethyl, methyl ester) (C₁₉H₂₀N₂O₆)
   
7. Nilvadipine M (dehydro-desisopropyl, methyl ester) (C₁₇H₁₃N₃O₆)
   
8. Nifedipine M (dehydro-bis-carboxy, methyl ester) (C₁₈H₁₆N₂O₈)
   
9. Felodipine M (dehydro-desethyl, methyl ester) (C₁₇H₁₅Cl₂NO₄)
   
10. Nicardipine M (dehydro-desamino-hydroxy) (C₁₈H₁₈N₂O₇)
    
11. Nitrendipine M (dehydro) (C₁₈H₁₈N₂O₆)
    
12. Nilvadipine M (dehydro) (C₁₉H₁₇N₃O₆)
    
13. Nifedipine M (dehydro) (C₁₇H₁₆N₂O₆)
    

© 2026 by the U.S. Secretary of Commerce on behalf of the United States of America. All rights reserved.

Copyright for NIST Standard Reference Data is governed by the Standard Reference Data Act.