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Nart V, Beringhs AO, França MT, de Espíndola B, Pezzini BR, Stulzer HK. Carnauba wax as a promising excipient in melt granulation targeting the preparation of mini-tablets for sustained release of highly soluble drugs. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2017; 70:250-257. [DOI: 10.1016/j.msec.2016.07.070] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/15/2016] [Revised: 06/24/2016] [Accepted: 07/26/2016] [Indexed: 10/24/2022]
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El-Gindy A, Nassar MW, Attia KAS, Abu-Seada HH, El-Ghandour M. STABILITY-INDICATING HPLC METHOD FOR SIMULTANEOUS DETERMINATION OF CAPTOPRIL, INDAPAMIDE, AND THEIR RELATED COMPOUNDS. J LIQ CHROMATOGR R T 2014. [DOI: 10.1080/10826076.2012.758138] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
Affiliation(s)
- Alaa El-Gindy
- a Analytical Chemistry Department , Faculty of Pharmacy, Suez Canal University , Ismailia , Egypt
| | - Mohammad Wafaa Nassar
- b Analytical Chemistry Department , Faculty of Pharmacy, Al Azhar University , Cairo , Egypt
| | | | - Hamed Hamed Abu-Seada
- b Analytical Chemistry Department , Faculty of Pharmacy, Al Azhar University , Cairo , Egypt
| | - Mahmoud El-Ghandour
- c Quality Control Department , Gulf Pharmaceutical Industry (JULPHAR) , Ras Al-Khaimah , United Arab Emirates
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Nogueira R, Wollinger W, Silva TED, Oliveira LMD, Rego ECPD, Moreira GF, Barin JS, Laporta LV, Mesko MF, Bittencourt CF, Rodrigues JM, Cunha VSD. Validation of a liquid chromatographic method for determination of related substances in a candidate certified reference material of captopril. BRAZ J PHARM SCI 2011. [DOI: 10.1590/s1984-82502011000200016] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Abstract
This paper describes the validation of a reversed-phase high performance liquid chromatography method (RP-HPLC) with diode array detection (DAD) for determination of related substances (impurities from organic synthesis and degradation products) of captopril according to the Brazilian Pharmacopeia IV. The aim of this study was to guarantee the method accuracy for quantification of related substances, an essential requisite to determine, using the mass balance approach, the captopril content in the first Brazilian certified reference material (CRM) of an active pharmaceutical ingredient (API), developed by Inmetro. The captopril instability in solution is discussed and the captopril content determined by mass balance is compared to the results from titration and differential scanning calorimetry (DSC).
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Affiliation(s)
- Raquel Nogueira
- Brazilian National Institute of Metrology, Standardization and Industrial Quality
| | - Wagner Wollinger
- Brazilian National Institute of Metrology, Standardization and Industrial Quality
| | - Thaís Elias da Silva
- Brazilian National Institute of Metrology, Standardization and Industrial Quality
| | | | | | | | | | | | - Márcia Foster Mesko
- Brazilian National Institute of Metrology, Standardization and Industrial Quality
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Armijo F, Torres I, Tapia R, Molero L, Antilén M, del Río R, del Valle MA, Ramírez G. Captopril Electrochemical Oxidation on Fluorine-Doped SnO2 Electrodes and Their Determination in Pharmaceutical Preparations. ELECTROANAL 2010. [DOI: 10.1002/elan.201000257] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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