By Harry G. Brittain
Even if the professional compendia outline a drug substance as to id, purity, energy, and caliber, they in most cases don't supply different actual or chemical information, nor do they checklist equipment of synthesis or pathways of actual or organic degradation and metabolism. Such info is scattered during the medical literature and the documents of pharmaceutical laboratories. Edited through the affiliate Director of Analytical study and improvement for the yank organization of Pharmaceutical Scientists, Analytical Profiles of Drug elements and Excipients brings this knowledge jointly into one resource. The scope of the sequence has lately been improved to incorporate profiles of excipient fabrics.
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Even supposing the reputable compendia outline a drug substance as to identification, purity, energy, and caliber, they ordinarily don't offer different actual or chemical information, nor do they record tools of synthesis or pathways of actual or organic degradation and metabolism. Such info is scattered in the course of the clinical literature and the documents of pharmaceutical laboratories.
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Additional info for Analytical Profiles of Drug Substances, Excipients, and Related Methodology
I . 00 Chemical Shift (ppm) Figure 8. 6 MHz broad band decoupled 13C-NMRspectrum of benzoic acid in chloroform-d. GUNAWAN INDRAYANTO ETAL. 1 - 50 li m/z Figure 9. Electron-impact mass spectrum of benzoic acid. 25 26 G U N A W A N INDRAYANTO ETAL. 1 mlz Figure 10. Chemical-ionization mass spectrum (obtained using isobutane) of benzoic acid. BENZOIC ACID Figure 1 1. Chemical-ionization mass spectrum (obtained using methane) of benzoic acid. G U N A W A N INDRAYANTO E T A L . 1 29 Reaction with Ferric Chloride TS To one portion of the filtrate add ferric chloride TS.
76, 451 (1 987). 50. D. J. D. Marrow, Clin. Pharmacol. , 57, 441 (1995). 46 GUNAWAN INDRAYANTO ET AL. 51. J. J. McCarthy, J. Clin. Pharm. , 12, 107 (1 987). 52. A. M. H. , 8, 157 (1955). BRINZOLAMIDE Rex Hall', Grey Wavner', John Baker', Glenn Stafford2, Wayne Schneider2, Way-Yu Lin2, Jesse May3, Michael Curtis4,Craig Struble4, Bette McCue4, Dan Jasheway4, and David McGee' (1) Analytical Chemistry (2) Research SuppodPharmaceutics (3) Research/Discovery Synthesis (4)PharmacokineticslDrug Metabolism ( 5 ) Toxicology Research and Development Alcon Laboratories, Inc.
Supelco Inc. 32 mm; 1 pm film) for the analysis of 25 semi-volatile acids, including benzoic acid [3 I]). , helium carrier gas at 35 mWmin, and a MS detector. 34 G U N A W A N INDRAYANTO ETAL. 3 GUNAWAN INDRAYANTO ETAL. 6 mm column and a variable wave length UV/VIS detector was recommended . 01 M KH,PO, (pH = 2) and methanol, and ending in 25 minutes with 60 %buffer 140 % methanol. Burton et al. reported the assay of benzoic acid, ethyl benzoate, and benzoyl peroxide in dermatological gels and lotions .