Errata - English

In USP Ziprasidone Related Compound F RS: Change
2-(2-Amino-5-{2-[4-(benzo[d]isothiazol-3-yl)piperazin-1-yl]ethyl}-4-chlorophenyl)acetic acid.
C₂₁H₂₃ClN₄O₂S 430.95
to:
Sodium 2-(2-amino-5-{2-[4-(benzisothiazol-3-yl)piperazin-1-yl]ethyl}-4-chlorophenyl)acetate monohydrate;
Also known as Sodium 2-(2-amino-5-{2-[4-(benzo[d]isothiazol-3-yl)piperazin-1-yl]ethyl}-4-chlorophenyl)acetate monohydrate.
C₂₁H₂₂ClN₄NaO₂S · H₂O 470.95

In USP Ondansetron Related Compound A RS: Change
3-[(Dimethylamino)methyl]-1,2,3,9-tetrahydro-9-methyl-4H-carbazol-4-one hydrochloride.
C₁₆H₂₀N₂O · HCl 292.80
to:
3-[(Dimethylamino)methyl]-9-methyl-1,2,3,9-tetrahydro-4H-carbazol-4-one hydrochloride.
C₁₆H₂₀N₂O · HCl 292.81
AND
In USP Ondansetron Related Compound D RS: Change
1,2,3,9-Tetrahydro-9-methyl-3-methylene-4H-carbazol-4-one.
to:
9-Methyl-3-methylene-1,2,3,9-tetrahydro-4H-carbazol-4-one.

Change
Mobile phase, Diluting solution, System suitability solution, and Chromatographic system—Prepare as directed in the test for Related compounds under Furosemide.
to:
Mobile phase—Prepare a filtered and degassed mixture of water, tetrahydrofuran, and glacial acetic acid (70:30:1). Make adjustments if necessary (see System Suitability under Chromatography <621>).
Diluting solution—Dilute 22 mL of glacial acetic acid with a mixture of acetonitrile and water (50:50) to 1000 mL, and mix.
System suitability solution—Dissolve suitable quantities of USP Furosemide RS and USP Furosemide Related Compound A RS in Diluting solution to obtain a solution containing about 20 µg per mL and 12 µg per mL, respectively.
Chromatographic system (see Chromatography <621>)—The liquid chromatograph is equipped with a detector capable of recording at both 254 nm and 272 nm and a 4.6-mm x 25-cm column that contains packing L1. [NOTE—The 2,4-dichloro-5-sulfamoylbenzoic acid impurity does not respond at 272 nm and the 2,4-bis(furfurylamino)-5-sulfamoylbenzoic acid impurity has a very intense absorbance at 254 nm.] The flow rate is about 1.0 mL per minute. Chromatograph the System suitability solution, and record the peak responses as directed for Procedure: the resolution, R, between furosemide and furosemide related compound A is not less than 2.5; and the relative standard deviation determined from furosemide is not more than 2.0%. [NOTE—The response for furosemide is at 254 nm.]

Change
Uniformity of Dosage Units 〈905〉
Procedure for content uniformity
to:
Uniformity of Dosage Units 〈905〉: Meets the requirements
Procedure for content uniformity, chewable tablets only
AND
In Uniformity of Dosage Units: Delete
Acceptance criteria: Meet the requirements for chewable tablets

In Dissolution 〈711〉/Test 1/Analysis: Change
Determine the percentage of telmisartan (C₃₃H₃₀N₄O₂) dissolved:
Result = (A_U × C_S × V × 100)/(A_S × D × L)
to:
Calculate the percentage of the labeled amount of telmisartan (C₃₃H₃₀N₄O₂) dissolved:
Result = (A_U/A_S) × C_S × V × D × (1/L) × 100
AND
Change
C_S = concentration of the Standard solution (mg/mL)
to:
C_S = concentration of USP Telmisartan RS in the Standard solution (mg/mL)
AND
In Dissolution 〈711〉/Test 2/Analysis: Change
r_U = peak response from the Sample solution
r_S = peak response from the Standard solution
to:
r_U = peak response of telmisartan from the Sample solution
r_S = peak response of telmisartan from the Standard solution
AND
In Dissolution 〈711〉/Test 3/Analysis: Change
C_S = concentration of the Standard solution (mg/mL)
to:
C_S = concentration of USP Telmisartan RS in the Standard solution (mg/mL)

In Mobile phase: Change
^▲Acetonitrile, methanol, and acetic acid (50:50). To each liter of the solution add 3 mL of acetic acid and 1 mL of triethylamine._{▲ (USP 1-May-2019)}
to:
Acetonitrile and methanol (50:50). To each liter of the solution add 3 mL of acetic acid and 1 mL of triethylamine.

In USP Metoprolol Related Compound C RS: Change
(±)4-[2-Hydroxy-3-(1-methylethyl)aminopropoxy]benzaldehyde.
C₁₃H₁₉NO₃ 237.29
to:
4-[2-Hydroxy-3-(isopropylamino)propoxy]benzaldehyde hydrochloride.
C₁₃H₁₉NO₃ · HCl 273.76
AND
In USP Metoprolol Related Compound D RS: Change
(±) N,N-Bis[2-hydroxy-3-[4-(2-methoxyethyl)phenoxy]propyl](1-methylethyl)amine.
C₂₇H₄₁NO₆ 475.62
to:
N,N-Bis{2-hydroxy-3-[4-(2-methoxyethyl)phenoxy]propyl}isopropylamine hydrochloride; also known as (±) N,N-Bis[2-hydroxy-3-[4-(2-methoxyethyl)phenoxy]propyl](1-methylethyl)amine hydrochloride.
C₂₇H₄₁NO₆ · HCl 512.08

In footnote 2: Change
9-{(E)-4-[(2R,3aS,6S,7S,8aRS)-2-{(1RS,2S,3S)-1,3-Dihydroxy-2-methylbutyl}-7-hydroxyhexahydro-2H-furo[3,2-c]pyran-6-yl]-3-methylbut-2-enoyloxy}nonanoic acid.
to:
9-{(E)-4-[(2R,3aS,6S,7S)-2-{(1RS,2S,3S)-1,3-Dihydroxy-2-methylbutyl}-7-hydroxyhexahydro-2H-furo[3,2-c]pyran-6-yl]-3-methylbut-2-enoyloxy}nonanoic acid.

In three instances in Analysis: Change
0.1 M sodium hydroxide
to:
Titrant
AND
In the equation: Change
M
to:
N
AND
In the variable definition list: Change
M = actual molarity of the Titrant (mol/L)
to:
N = actual normality of the Titrant

In Dissolution 〈711〉/Medium: Change
26.7 g/L of sodium acetate trihydrate in water. Add 133 mL of glacial acetic acid to this solution, and then dilute with water to 10 L; 900 mL.
to:
0.02 M sodium acetate buffer, pH 3.5, prepared as follows. Dissolve 2.67 g of sodium acetate in 100 mL of water. Add 13.3 mL of glacial acetic acid and then dilute with water to 1000 mL; 900 mL.

In Analysis: Change
r_S = sum of all the peak areas, excluding the solvent peaks from the Standard solution
to:
r_S = sum of all the peak areas, excluding the solvent peaks from the Sample solution

Change
pH 6.0 buffer, Mobile phase, Diluent, Standard preparation, Resolution solution, and Chromatographic system—Proceed as directed in the Assay under Carteolol Hydrochloride.
to:
Buffer, Mobile phase, Standard stock solution, Standard solution, System suitability stock solution, System suitability solution, Chromatographic system, and System suitability—
Proceed as directed in the Assay under Carteolol Hydrochloride.
AND
Add
Diluent—Prepare a mixture of Buffer and methanol (1:1).
AND
In all instances in Procedure: Change
Standard preparation
to:
Standard solution

In System suitability: Change
[Note—The approximate relative retention times for (3S,3′S)-zeaxanthin, (3R,3′S-meso)-zeaxanthin, (3R,3′R)-zeaxanthin, and (3R,3′R,6′R)-lutein are 0.94, 1.00, 1.06, and 1.11, respectively.]
to:
[Note—The approximate relative retention times for (3S,3′S)-zeaxanthin, (3R,3′S)-zeaxanthin, (3R,3′R)-zeaxanthin, and (3R,3′R,6′R)-lutein are 0.94, 1.00, 1.06, and 1.11, respectively.]
AND
In System suitability/Suitability requirements/Resolution: Change
(3R,3′S-meso)-zeaxanthin
to:
(3R,3′S)-zeaxanthin
AND
In Analysis: Change
(3R,3′S-meso)-zeaxanthin
to:
(3R,3′S)-zeaxanthin
AND
In Acceptance criteria: Change
(3R,3′S-meso)-Zeaxanthin
to:
(3R,3′S)-Zeaxanthin

In Analysis: Change
M_r1 = molecular weight of atorvastatin, 558.64
M_r2 = molecular weight of atorvastatin calcium, 1155.34
to:
M_r1 = molecular weight of atorvastatin, 558.65
M_r2 = molecular weight of atorvastatin calcium, 1155.36

In USP Atorvastatin Related Compound C RS: Change
Difluoro impurity, or (3R,5R)-7-[3-(phenylcarbamoyl)-4,5-bis(4-fluorophenyl)-2-isopropyl-1H-pyrrol-1-yl]-3,5-dihydroxyheptanoic acid, calcium salt.
to:
Calcium (3R,5R)-7-[2,3-Bis(4-fluorophenyl)-5-isopropyl-4-(phenylcarbamoyl)-1H-pyrrol-1-yl]-3,5-dihydroxyheptanoate (1:2); Also known as Difluoro impurity, or (3R,5R)-7-[3-(phenylcarbamoyl)-4,5-bis(4-fluorophenyl)-2-isopropyl-1H-pyrrol-1-yl]-3,5-dihydroxyheptanoic acid, calcium salt.
AND
In USP Atorvastatin Related Compound D RS: Change
Epoxide impurity, or 3-(4-fluorobenzoyl)-2-isobutyryl-3-phenyl-oxirane-2-carboxylic acid phenylamide.
to:
3-(4-Fluorobenzoyl)-2-isobutyryl-N,3-diphenyloxirane-2-carboxamide; Also known as Epoxide impurity, or 3-(4-fluorobenzoyl)-2-isobutyryl-3-phenyl-oxirane-2-carboxylic acid phenylamide.
AND
In USP Atorvastatin Related Compound E RS: Change
3S,5S Enantiomer, or (3S,5S)-7-[3-(phenylcarbamoyl)-5-(4-fluorophenyl)-2-isopropyl-4-phenyl-1H-pyrrol-1-yl]-3,5-dihydroxyheptanoic acid, calcium salt.
C₆₆H₆₈CaF₂N₄O₁₀ 1155.34
to:
Calcium (3S,5S)-7-[2-(4-Fluorophenyl)-5-isopropyl-3-phenyl-4-(phenylcarbamoyl)-1H-pyrrol-1-yl]-3,5-dihydroxyheptanoate (1:2); Also known as 3S,5S Enantiomer, or (3S,5S)-7-[3-(phenylcarbamoyl)-5-(4-fluorophenyl)-2-isopropyl-4-phenyl-1H-pyrrol-1-yl]-3,5-dihydroxyheptanoic acid, calcium salt.
C₆₆H₆₈CaF₂N₄O₁₀ 1155.38
AND
In USP Atorvastatin Related Compound H RS: Change
540.62
to:
540.64
AND
In Atorvastatin Related Compound I RS: Change
654.81
to:
654.82

In Test 2: Change
Determine the amount of isosorbide dinitrate (C₆H₉NO₆) dissolved by employing the following method.
to:
Determine the amount of isosorbide dinitrate (C₆H₈N₂O₈) dissolved by employing the following method.