Errata - English

In Analysis: Change
C_S = concentration of the corresponding USP Doxazosin Related Compound RS or USP Doxazosin Mesylate RS (for calculating unspecified impurities) in the Standard solution (mg/mL)
to:
C_S = concentration of the corresponding USP Reference Standard or USP Doxazosin Mesylate RS (for calculating unspecified impurities) in the Standard solution (mg/mL)

In Limit of Naloxone Related Compound D: Delete
Sensitivity solution: 1.25 µg/mL of USP Naloxone Related Compound D RS in 0.1 N hydrochloric acid
AND
In System suitability/Samples: Delete
Sensitivity solution,
AND
In System suitability/Suitability requirements: Delete
Signal-to-noise ratio: NLT 10, Sensitivity solution

In Analysis: Change
Calculate the percentage of ceftiofur (C₁₉H₁₇N₅O₇S₃) in the portion of Ceftiofur Hydrochloride taken:
Result = (r_U/r_S) × (C_S/C_U) × P × 100
to:
Calculate the quantity, in µg/mg, of ceftiofur (C₁₉H₁₇N₅O₇S₃) in the portion of Ceftiofur Hydrochloride taken:
Result = (r_U/r_S) × (C_S/C_U) × P

Change
System suitability solution: 5 µg/mL each of USP Promethazine Hydrochloride RS and USP Promethazine Related Compound B RS from the Standard stock solution and System suitability stock solution, respectively
Standard solution: 5 µg/mL of USP Promethazine Hydrochloride RS from the Standard stock solution
Sensitivity solution: 0.25 µg/mL of USP Promethazine Hydrochloride RS from the Standard solution
to:
System suitability solution: 5 µg/mL each of USP Promethazine Hydrochloride RS and USP Promethazine Related Compound B RS from the Standard stock solution and System suitability stock solution, respectively, in Diluent
Standard solution: 5 µg/mL of USP Promethazine Hydrochloride RS from the Standard stock solution in Diluent
Sensitivity solution: 0.25 µg/mL of USP Promethazine Hydrochloride RS from the Standard solution in Diluent

In Analysis: Change
Results = (A_U/A_S) × C_S × D × (1/L) × V × 100
A_U = absorbance of the Sample solution
A_S = absorbance of the Standard solution
C_S = concentration of USP Prochlorperazine Maleate RS in the Standard solution
D = dilution factor for Sample solution, if needed
L = label claim (mg/Tablet)
V = volume of Medium, 500 mL
to:
Result = (A_U/A_S) × C_S × V × D × (M_r1/M_r2) × (1/L) × 100
A_U = absorbance of the Sample solution
A_S = absorbance of the Standard solution
C_S = concentration of USP Prochlorperazine Maleate RS in the Standard solution
V = volume of Medium, 500 mL
D = dilution factor for the Sample solution, if needed
M_r1 = molecular weight of prochlorperazine, 373.94
M_r2 = molecular weight of prochlorperazine maleate, 606.09
L = label claim (mg/Tablet)

In Standardization with visual end point: Change
M = mL edetate disodium × edetate disodium/mL ZnSO₄
to:
M = mL edetate disodium × M edetate disodium/mL ZnSO₄
AND
In Standardization with potentiometric end point: Change
M = mL edetate disodium × edetate disodium/mL ZnSO₄
to:
M = mL edetate disodium × M edetate disodium/mL ZnSO₄

In USP Econazole Related Compound C RS: Change
1-(4-Chlorobenzyl)-3-{2-[(4-chlorobenzyl)oxy]-2-(2,4-dichlorophenyl)ethyl}-1H-imidazol-3-ium nitrate (salt).
C₂₅H₂₁Cl₁₄N₃O₄ 569.26
to:
1-(4-Chlorobenzyl)-3-{2-[(4-chlorobenzyl)oxy]-2-(2,4-dichlorophenyl)ethyl}-1H-imidazol-3-ium chloride.
C₂₅H₂₁Cl₅N₂O 542.71

In Liquid Chromatography: Isocratic Elution/Injection volume: Change
L₂ = internal diameter of the column used (mm)
dc₁ = particle size indicated in the monograph (µm)
dc₂ = particle size of the column used (µm)
to:
L₂ = new column length (mm)
dc₁ = column internal diameter indicated in the monograph (mm)
dc₂ = new column internal diameter (mm)

Change
System suitability solution: 5 µg/mL each of USP Promethazine Hydrochloride RS and USP Promethazine Related Compound B RS from the Standard stock solution and System suitability stock solution, respectively
Standard solution: 5 µg/mL of USP Promethazine Hydrochloride RS from the Standard stock solution
Sensitivity solution: 0.25 µg/mL of USP Promethazine Hydrochloride RS from the Standard solution
to:
System suitability solution: 5 µg/mL each of USP Promethazine Hydrochloride RS and USP Promethazine Related Compound B RS from the Standard stock solution and System suitability stock solution, respectively, in Diluent
Standard solution: 5 µg/mL of USP Promethazine Hydrochloride RS from the Standard stock solution in Diluent
Sensitivity solution: 0.25 µg/mL of USP Promethazine Hydrochloride RS from the Standard solution in Diluent

Change
Standard solution: Transfer 2.0 mg/mL of USP Latanoprost RS into a suitable volumetric flask, dissolve in dehydrated alcohol equivalent to 20% of the final volume, and dilute with chromatographic hexane to volume.
Sample solution: Transfer 2.0 mg/mL of Latanoprost into a suitable volumetric flask, dissolve in dehydrated alcohol equivalent to 20% of the final volume, and dilute with chromatographic hexane to volume.
to:
Standard solution: 2.0 mg/mL of USP Latanoprost RS prepared as follows. Transfer USP Latanoprost RS into a suitable volumetric flask, dissolve in dehydrated alcohol equivalent to 20% of the final volume, and dilute with chromatographic hexane to volume.
Sample solution: 2.0 mg/mL of Latanoprost prepared as follows. Transfer Latanoprost into a suitable volumetric flask, dissolve in dehydrated alcohol equivalent to 20% of the final volume, and dilute with chromatographic hexane to volume.

Change
C₄₈H₇₄O₁₄(Component H₂B_1a) 875.09
C₄₇H₇₂O₁₄(Component H₂B_1b) 861.07
Component H₂B_1a:
Avermectin A_1a, 5-O-demethyl-22,23-dihydro-.
(2aE,4E,8E)-(5′S,6S,6′R,7S,11R,13R,15S,17aR,20R,20aR,20bS)-6′-(S)-sec-Butyl-3′,4′,5′,6,6′,7,10,11,14,15,17a,20,20a,20b-tetradecahydro-20,20b-dihydroxy[11,15-methano-2H,13H,17H-furo[4,3,2-pq][2,6]benzodioxacyclooctadecin-13,2′-[2H]pyran]-7-yl 2,6-dideoxy-4-O-(2,6-dideoxy-3-O-methyl-α-L-arabino-hexopyranosyl)-3-O-methyl-α-L-arabino-hexopyranoside CAS RN®: 70161-11-4.
Component H₂B_1b:
Avermectin A_1a, 5-O-demethyl-25-de(1-methylpropyl)-22,23-dihydro-25-(1-methylethyl)-.
(2aE,4E,8E)-(5′S,6S,6′R,7S,11R,13R,15S,17aR,20R,20aR,20bS)-3′,4′,5′,6,6′,7,10,11,-oxospiro[11,15-methano-2H,13H,17H-furo[4,3,2-pq][2,6]benzodioxacyclooctadecin-13,2′[2H]pyran]-7-yl 2,6-dideoxy-4-O-(2,6-dideoxy-3-O-methyl-α-L-arabino-hexopyranosyl)-3-O-methyl-α-L-arabino-hexopyranoside CAS RN®: 70209-81-3; UNII: 0W28CYI3TU.
to:
C₄₈H₇₄O₁₄(Component H₂B_1a) 875.11
C₄₇H₇₂O₁₄(Component H₂B_1b) 861.08
Component H₂B_1a:
Avermectin A_1a, 5-O-demethyl-22,23-dihydro-.
(2aE,4E,8E)-(5’S,6S,6’R,7S,11R,13R,15S,17aR,20R,20aR,20bS)-6’-(S)-sec-Butyl-3’,4’,5’,6,6’,7,10,11,14,15,17a,20,20a,20b-tetradecahydro-20,20b-dihydroxy-5’,6,8,19-tetramethyl-17-oxospiro [11,15-methano-2H,13H,17H-furo[4,3,2-pq][2,6]benzodioxacyclooctadecin-13,2’-[2H]pyran]-7-yl 2,6-dideoxy-4-O-(2,6-dideoxy-3-O-methyl-α-L-arabino-hexopyranosyl)-3-O-methyl-α-L-arabino-hexopyranoside CAS RN®: 71827-03-7; UNII: 91Y2202OUW.
Component H₂B_1b:
Avermectin A_1a, 5-O-demethyl-25-de(1-methylpropyl)-22,23-dihydro-25-(1-methylethyl)-.
(2aE,4E,8E)-(5’S,6S,6’R,7S,11R,13R,15S,17aR,20R,20aR,20bS)-3’,4’,5’,6,6’,7,10,11,14,15,17a,20,20a,20b-Tetradecahydro-20,20b-dihydroxy-6’-isopropyl-5’,6,8,19-tetramethyl-17-oxospiro [11,15-methano-2H,13H,17H-furo[4,3,2-pq][2,6]benzodioxacyclooctadecin-13,2’-[2H]pyran]-7-yl 2,6-dideoxy-4-O-(2,6-dideoxy-3-O-methyl-α-L-arabino-hexopyranosyl)-3-O-methyl-α-L-arabino-hexopyranoside CAS RN®: 70209-81-3; UNII: 0W28CYI3TU.

In USP Doxycycline Related Compound A RS: Change
444.43
to:
444.44
AND
Change
(4S,4aR,5S,5aR,6S,12aS)-4-(Dimethylamino)-1,4,4a,5,5a,6,11,12a-octahydro-3,5,10,12,12a-pentahydroxy-6-methyl-1,11-dioxo-2-naphthacenecarboxamide, monohydrochloride.
C₂₂H₂₄N₂O₈ · HCl 480.13
to:
(4S,4aR,5S,5aR,6S,12aS)-4-(Dimethylamino)-1,4,4a,5,5a,6,11,12a-octahydro-3,5,10,12,12a-pentahydroxy-6-methyl-1,11-dioxo-2-naphthacenecarboxamide hydrochloride.
C₂₂H₂₄N₂O₈ · HCl 480.90

In USP Tryptophan Related Compound A RS: Change
3,3′-[Ethylidenebis(1H-indole-1,3-diyl)]bis[2S)-2-aminopropanoic]acid.
C₂₄H₂₆N₄O₄ 432.49
to:
(2S,2'S)-3,3'-[Ethane-1,1-diylbis(1H-indole-1,3-diyl)]bis(2-aminopropanoic acid).
C₂₄H₂₆N₄O₄ 434.50

In USP Doxycycline Related Compound A RS: Change
444.43
to:
444.44
AND
Change
(4S,4aR,5S,5aR,6S,12aS)-4-(Dimethylamino)-1,4,4a,5,5a,6,11,12a-octahydro-3,5,10,12,12a-pentahydroxy-6-methyl-1,11-dioxo-2-naphthacenecarboxamide, monohydrochloride.
C₂₂H₂₄N₂O₈ · HCl 480.13
to:
(4S,4aR,5S,5aR,6S,12aS)-4-(Dimethylamino)-1,4,4a,5,5a,6,11,12a-octahydro-3,5,10,12,12a-pentahydroxy-6-methyl-1,11-dioxo-2-naphthacenecarboxamide hydrochloride.
C₂₂H₂₄N₂O₈ · HCl 480.90

In Analysis: Change
M_W(Salt) = molecular weight of ammonium glycyrrhizate, 840.08 g/mol
M_W(Acid) = molecular weight of glycyrrhizic acid, 821.59 g/mol
to:
M_W(Salt) = molecular weight of ammonium glycyrrhizate, 839.97 g/mol
M_W(Acid) = molecular weight of glycyrrhizic acid, 822.94 g/mol

In USP Melengestrol Acetate Related Compound A RS: Change
16-Methylene-17α-hydroxy-4-pregnene-3,20-dione 17-acetate.
to:
16-Methylene-3,20-dioxopregn-4-en-17-yl acetate.
AND
In USP Melengestrol Acetate Related Compound B RS: Change
17α-Hydroxy-6,16-dimethyleneprogna-4-ene-3,20-dione 17-acetate.
to:
6,16-Dimethylene-3,20-dioxopregn-4-en-17-yl acetate.

In USP Doxycycline Related Compound A RS: Change
444.43
to:
444.44
AND
Change
(4S,4aR,5S,5aR,6S,12aS)-4-(Dimethylamino)-1,4,4a,5,5a,6,11,12a-octahydro-3,5,10,12,12a-pentahydroxy-6-methyl-1,11-dioxo-2-naphthacenecarboxamide monohydrochloride.
C₂₂H₂₄N₂O₈ · HCl 480.13
to:
(4S,4aR,5S,5aR,6S,12aS)-4-(Dimethylamino)-1,4,4a,5,5a,6,11,12a-octahydro-3,5,10,12,12a-pentahydroxy-6-methyl-1,11-dioxo-2-naphthacenecarboxamide hydrochloride.
C₂₂H₂₄N₂O₈ · HCl 480.90

In USP Doxycycline Related Compound A RS: Change
444.43
to:
444.44
AND
Change
(4S,4aR,5S,5aR,6S,12aS)-4-(Dimethylamino)-1,4,4a,5,5a,6,11,12a-octahydro-3,5,10,12,12a-pentahydroxy-6-methyl-1,11-dioxo-2-naphthacenecarboxamide, monohydrochloride.
C₂₂H₂₄N₂O₈ · HCl 480.13
to:
(4S,4aR,5S,5aR,6S,12aS)-4-(Dimethylamino)-1,4,4a,5,5a,6,11,12a-octahydro-3,5,10,12,12a-pentahydroxy-6-methyl-1,11-dioxo-2-naphthacenecarboxamide hydrochloride.
C₂₂H₂₄N₂O₈ · HCl 480.90

In USP Doxycycline Related Compound A RS: Change
444.43
to:
444.44
AND
Change
(4S,4aR,5S,5aR,6S,12aS)-4-(Dimethylamino)-1,4,4a,5,5a,6,11,12a-octahydro-3,5,10,12,12a-pentahydroxy-6-methyl-1,11-dioxo-2-naphthacenecarboxamide, monohydrochloride.
C₂₂H₂₄N₂O₈ · HCl 480.13
to:
(4S,4aR,5S,5aR,6S,12aS)-4-(Dimethylamino)-1,4,4a,5,5a,6,11,12a-octahydro-3,5,10,12,12a-pentahydroxy-6-methyl-1,11-dioxo-2-naphthacenecarboxamide hydrochloride.
C₂₂H₂₄N₂O₈ · HCl 480.90