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Journal Abstract Search

386 related items for PubMed ID: 21880452

  • 1. Identification, characterization and quantification of new impurities by LC-ESI/MS/MS and LC-UV methods in rivastigmine tartrate active pharmaceutical ingredient.
    Thomas S, Shandilya S, Bharati A, Paul SK, Agarwal A, Mathela CS.
    J Pharm Biomed Anal; 2012 Jan 05; 57():39-51. PubMed ID: 21880452
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  • 2. Highly efficient, selective, sensitive and stability indicating RP-HPLC-UV method for the quantitative determination of potential impurities and characterization of four novel impurities in eslicarbazepine acetate active pharmaceutical ingredient by LC/ESI-IT/MS/MS.
    Thomas S, Bharti A, Maddhesia PK, Shandilya S, Agarwal A, Dharamvir, Biswas S, Bhansal V, Gupta AK, Tewari PK, Mathela CS.
    J Pharm Biomed Anal; 2012 Mar 05; 61():165-75. PubMed ID: 22178334
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  • 3. Identification and structural elucidation of two process impurities and stress degradants in darifenacin hydrobromide active pharmaceutical ingredient by LC-ESI/MS(n).
    Thomas S, Paul SK, Shandilya S, Agarwal A, Saxena N, Awasthi AK, Matta Hb, Vir D, Mathela CS.
    Analyst; 2012 Aug 07; 137(15):3571-82. PubMed ID: 22733388
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  • 11. Structural studies of racecadotril and its process impurities by NMR and mass spectroscopy.
    Reddy KM, Babu JM, Sudhakar P, Sharma MS, Reddy GS, Vyas K.
    Pharmazie; 2006 Dec 07; 61(12):994-8. PubMed ID: 17283655
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  • 13. Development and validation of a HPLC method for quantification of rivastigmine in rat urine and identification of a novel metabolite in urine by LC-MS/MS.
    Arumugam K, Chamallamudi MR, Gilibili RR, Mullangi R, Ganesan S, Kar SS, Averineni R, Shavi G, Udupa N.
    Biomed Chromatogr; 2011 Mar 07; 25(3):353-61. PubMed ID: 20540167
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  • 15. Separation and characterization of clindamycin and related impurities in bulk drug by high-performance liquid chromatography-electrospray tandem mass spectrometry.
    Zhou H, Zheng Z, Wu S, Tai Y, Cao X, Pan Y.
    J Pharm Biomed Anal; 2006 Jun 16; 41(4):1116-23. PubMed ID: 16617002
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  • 17. Identification and characterization of process related impurities in chloroquine and hydroxychloroquine by LC/IT/MS, LC/TOF/MS and NMR.
    Dongre VG, Ghugare PD, Karmuse P, Singh D, Jadhav A, Kumar A.
    J Pharm Biomed Anal; 2009 May 01; 49(4):873-9. PubMed ID: 19201565
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  • 18. Isolation and characterization of a potential process related impurity of phenazopyridine HCl by preparative HPLC followed by MS-MS and 2D-NMR spectroscopy.
    Rao RN, Maurya PK, Raju AN.
    J Pharm Biomed Anal; 2009 Jul 12; 49(5):1287-91. PubMed ID: 19376664
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  • 19. Identification, isolation and characterization of impurities of clindamycin palmitate hydrochloride.
    Bharathi Ch, Jayaram P, Sunder Raj J, Saravana Kumar M, Bhargavi V, Handa VK, Dandala R, Naidu A.
    J Pharm Biomed Anal; 2008 Dec 01; 48(4):1211-8. PubMed ID: 18947955
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  • 20. Identification, isolation and characterization of potential degradation products in pioglitazone hydrochloride drug substance.
    Ramulu K, Kumar TT, Krishna SR, Vasudev R, Kaviraj M, Rao BM, Rao NS.
    Pharmazie; 2010 Mar 01; 65(3):162-8. PubMed ID: 20383934
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