Errata - English

In USP Iopamidol Related Compound B RS: Change
5-Glycolamido-N,N′-bis[2-hydroxy-1-(hydroxymeth yl)ethyl]-2,4,6-triiodoisophthalamide.
C₁₆H₂₀I₃N₃O₇ 747.07
to:
N¹,N³-Bis(1,3-dihydroxypropan-2-yl)-5-(2-hydroxyacetamido)-2,4,6-triiodoisophthalamide.
C₁₆H₂₀I₃N₃O₈ 763.06

In Organic Impurities/Procedure/Analysis: Change
1-[2,4-dichloro-β-[(3-thenyl)-oxy]phenethyl]imidazole hydrochloride (tioconazole related compound A), 1-[2,4-dichloro-β-[(2,5-dichloro-3-thenyl)-oxy]phenethyl]imidazole hydrochloride (tioconazole related compound B), and 1-[2,4-dichloro-β-[(5-bromo-2-chloro-3-thenyl)-oxy]phenethyl]imidazole hydrochloride (tioconazole related compound C)
to:
tioconazole related compound A, tioconazole related compound B, and tioconazole related compound C

In USP Reference Standards <11>/USP Tioconazole Related Compound A RS: Change
1-[2,4-Dichloro-β-[(3-thenyl)-oxy]phenethyl]imidazole hydrochloride.
to:
1-[2-(2,4-Dichlorophenyl)-2-(thiophen-3-ylmethoxy)ethyl]-1H-imidazole hydrochloride.
AND
In USP Reference Standards <11>/USP Tioconazole Related Compound B RS: Change
1-[2,4-Dichloro-β-[(2,5-dichloro-3-thenyl)oxy]phenethyl]imidazole hydrochloride.
to:
1-{2-(2,4-Dichlorophenyl)-2-[(2,5-dichlorothiophen-3-yl)methoxy]ethyl}-1H-imidazole hydrochloride.
AND
In USP Reference Standards <11>/USP Tioconazole Related Compound C RS: Change
1-[2,4-Dichloro-β-[(5-bromo-2-chloro-3-thenyl)-oxy]-phenethyl]imidazole hydrochloride.
to:
1-{2-[(5-Bromo-2-chlorothiophen-3-yl)methoxy]-2-(2,4-dichlorophenyl)ethyl}-1H-imidazole hydrochloride.

In Organic Impurities, Procedure 1/Analysis: Change
Result = (r_U/r_S) × (C_S/(C_U) × (M_r1/M_r2) × 100
to:
Result = (r_U/r_S) × (C_S/C_U) × (M_r1/M_r2) × 100

In USP Reference Standards 〈11〉/USP Indomethacin Related Compound A RS: Change
(C₁₂H₁₃NO₃)
to:
C₁₂H₁₃NO₃
AND
In USP Reference Standards 〈11〉/USP Indomethacin Related Compound B RS: Change
(C₇H₅ClO₂)
to:
C₇H₅ClO₂

In Procedure 1/Analysis: Change
C_S = concentration of USP Tamsulosin Hydrochloride RS in the Standard stock solution (mg/mL)
to:
C_S = concentration of USP Tamsulosin Hydrochloride RS in the Standard solution (mg/mL)

In Dissolution 〈711〉/Test 1/Analysis: Change
Result₃ = {[(C₃ × V₂) + (C₂ + V_S)] × (1/L) × 100} + Result₁
to:
Result₃ = {[(C₃ × V₂) + (C₂ × V_S)] × (1/L) × 100} + Result₁

In Organic Impurities/Analysis: Change
Calculate the percentage of any individual unspecified impurity in the portion of Fluconazole taken:
to:
Calculate the percentage of any other specified and unspecified impurity in the portion of Fluconazole taken:
AND
Change
r_U = peak response of any individual impurity from the Sample solution
to:
r_U = peak response of any other specified and unspecified impurity from the Sample solution

In Procedure: Related Peptides and Other Related Substances/Test 2: Change
Resolution solution:
to:
System suitability solution:
AND
In Procedure: Related Peptides and Other Related Substances/Test 2/Sample solution: Change
100 mL of Buffer C.
to:
100 μL of Buffer C.

In Organic Impurities/Table 4: Change
^a(2aR,4S,4aS,6R,9S,11S,12S,12aR,12bS)-12b-(Acetyloxy)-12-(benzyloxy)-1,2a,3,4,4a,6,9,10,11,12,12a,12b-dodecahydro-4,6,9,11-tetrahydroxy-4a,8,13,13-tetramethyl-7,11-methano-5H-cyclodeca[3,4]benz[1,2-b]oxet-5-one.
to:
^a(2aR,4S,4aS,6R,9S,11S,12S,12aR,12bS)-12b-(Acetyloxy)-12-(benzoyloxy)-1,2a,3,4,4a,6,9,10,11,12,12a,12b-dodecahydro-4,6,9,11-tetrahydroxy-4a,8,13,13-tetramethyl-7,11-methano-5H-cyclodeca[3,4]benz[1,2-b]oxet-5-one.

In Procedure for Potassium/Chromatographic system/Column: Change
4.6-mm × 25-cm; packing L97
to:
4-mm × 25-cm; packing L97
AND
In Procedure for Phosphate/Chromatographic system/Column: Change
4.6-mm × 25-cm; packing L103
to:
4-mm × 25-cm; packing L103

In USP Reference Standards <11>/USP Nicardipine Related Compound B RS: Change
3-{2-[Benzyl(methyl)amino]ethyl}5-methyl 2,6-dimethyl-4-(3-nitrophenyl)pyridine-3,5-dicarboxylate oxalate.
to:
3-{2-[Benzyl(methyl)amino]ethyl} 5-methyl 2,6-dimethyl-4-(3-nitrophenyl)pyridine-3,5-dicarboxylate oxalate.
AND
In USP Reference Standards <11>/USP Nicardipine Related Compound D RS: Change
Bis{2-[benzyl(methyl)amino]ethyl}2,6-dimethyl-4-(3-nitrophenyl)-1,4-dihydropyridine-3,5-dicarboxylate dihydrochloride.
to:
Bis{2-[benzyl(methyl)amino]ethyl} 2,6-dimethyl-4-(3-nitrophenyl)-1,4-dihydropyridine-3,5-dicarboxylate dihydrochloride.

In A. HPTLC for Articles of Botanical Origin <203>/Sample solution: Change
Mix 50 mg of Cranberry Fruit Juice Dry Extract with 7 mL of water. Sonicate for 10 min at room temperature, centrifuge, and save the supernatant. Precondition an SPE cartridge (L2; 500 mg/6 mL) with 3 mL of methanol, and drain it with suction. Load 3 mL of water onto the cartridge and apply suction until the solvent reaches 1–2 mm above the top of the cartridge's stationary phase. Then load the cartridge with 1.5 mL of the supernatant, apply suction, and discard the eluate. Add 1 mL of a mixture of water and methanol (80:20). Load 1 mL of methanol and collect the eluate as the Sample solution.
to:
Mix 50 mg of Cranberry Fruit Juice Dry Extract with 7 mL of water. Sonicate for 10 min at room temperature, centrifuge, and save the supernatant. Precondition an SPE cartridge (L2; 500 mg/6 mL) with 3 mL of methanol, and drain it with suction. Load 3 mL of water onto the cartridge and apply suction until the solvent reaches 1–2 mm above the top of the cartridge's stationary phase. Then load the cartridge with 1.5 mL of the supernatant, apply suction, and discard the eluate. Add 1 mL of a mixture of water and methanol (80:20), apply suction, and discard the eluate. Load 1 mL of methanol and collect the eluate as the Sample solution.

Change
White, crystalline wax. Freely soluble in water, in saline TS, and in dextrose solutions; very slightly soluble in alcohol; practically insoluble in chloroform and in ether. Insoluble in water and in most common organic solvents. NF category: Stiffening agent; lubricant; film-forming agent; release-modifying agent.
to:
White, crystalline wax. Insoluble in water and in most common organic solvents. NF category: Stiffening agent; lubricant; film-forming agent; release-modifying agent.

Change
Assay for neomycin—Proceed with Cream as directed in the Assay for neomycin under Neomycin and Polymyxin B Sulfates Cream.
Assay for polymyxin B—Proceed with Cream as directed in the Assay for polymyxin B under Neomycin and Polymyxin B Sulfates Cream.
to:
Assay for neomycin—Proceed as directed under Antibiotics—Microbial Assays 〈81〉, using an accurately weighed portion of Cream, equivalent to about 1.75 mg of neomycin, shaken in a separator with about 50 mL of ether, and extracted with four 20-mL portions of Buffer B.3. Combine the aqueous extracts, and dilute with Buffer B.3 to an appropriate volume to obtain a stock solution of convenient concentration. Dilute this stock solution quantitatively and stepwise with Buffer B.3 to obtain a Test Dilution having a concentration assumed to be equal to the median dose level of the Standard.
Assay for polymyxin B—Proceed as directed under Antibiotics—Microbial Assays 〈81〉, using an accurately weighed portion of Cream shaken with about 50 mL of ether in a separator, and extracted with four 25-mL portions of Buffer B.6. Combine the aqueous extracts, and dilute with Buffer B.6 to an appropriate volume to obtain a stock solution. Dilute this stock solution quantitatively and stepwise with Buffer B.6 to obtain a Test Dilution having a concentration assumed to be equal to the median dose level of the Standard (10 Polymyxin B Units per mL). Add to each test dilution of the Standard a quantity of USP Neomycin Sulfate RS, dissolved in Buffer B.6, to obtain the same concentration of neomycin present in the Test Dilution.

In Procedure/System suitability: Change
[Note—The relative retention times for acetanilide, cefuroxime axetil diastereoisomer B, cefuroxime axetil diastereoisomer A, and cefuroxime axetil delta-3 isomers are 0.4, 0.8, 0.9, and 1.0, respectively.]
to:
[Note—The relative retention times for cefuroxime axetil diastereoisomer B, cefuroxime axetil diastereoisomer A, and cefuroxime axetil delta-3 isomers are 0.8, 0.9, and 1.0, respectively.]

In Organic Impurities: Change
Mobile phase, Sample solution, and Chromatographic system: Proceed as directed in the Assay.
to:
Mobile phase and Chromatographic system: Proceed as directed in the Assay.
AND
Change
Standard solution: 1 µg/mL of metronidazole from USP Metronidazole RS and 2 µg/mL of tinidazole related compound A from USP Tinidazole Related Compound A RS in Mobile phase
to:
Standard solution: 1 µg/mL of metronidazole from USP Metronidazole RS and 2 µg/mL of tinidazole related compound A from USP Tinidazole Related Compound A RS in Mobile phase
Sample solution: Nominally 1 mg/mL of metronidazole prepared as follows. Mix the contents of Capsules (NLT 20). Transfer an amount equivalent to 100 mg of metronidazole to a 100-mL volumetric flask, add 80 mL of Mobile phase, and sonicate with intermittent shaking for 10 min. Shake for 30 min, and dilute with Mobile phase to volume. Centrifuge a portion of the solution.

In Organic Impurities, Procedure 1: Change
System suitability solution, Standard solution, Sample solution, and Chromatographic system: Proceed as directed in the Assay.
to:
Mobile phase, Diluent, System suitability solution, Standard solution, Sample solution, and Chromatographic system: Proceed as directed in the Assay.

In USP Reference Standards 〈11〉: Change
USP Rivastigmine Tartrate R-Isomer RS
to:
USP Rivastigmine Tartrate R-Isomer RS
(R)-3-[1-(Dimethylamino)ethyl]phenyl ethylmethylcarbamate, hydrogen tartrate.
C₁₄H₂₂N₂O₂ · C₄H₆O₆ 400.42