TLC Pharmaceutical Standards

TLC Pharmaceutical Standards

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METOPROLOL

M-0838

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Catalogue Number:	M-0838
Compound Name:	N-Nitroso Metoprolol EP Impurity A
Synonyms:	N-ethyl-N-(2-hydroxy-3-(4-(2-methoxyethyl)phenoxy)propyl)nitrous amide
CAS#:
Alternate CAS#:
Molecular Formula:	C₁₄H₂₂N₂O₄
Molecular Weight:	282.34

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C₁₂H₁₈O₄

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M-0810

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M-0811

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C₁₂H₁₉NO₂

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M-0812

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M-0813

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Metoprolol Impurity I

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C₁₄H₂₁NO₂

M.W. 235.33

M-0814

alpha-Hydroxy Metoprolol

Metoprolol Hemitartrate

CAS No. 56392-17-7

2 C₁₅H₂₅NO₃. C₄H₆O₆

M.W. 2*267.37 150.09

M-0815

alpha-Hydroxy Metoprolol

Metoprolol EP Impurity M DiHCl

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C₉H₂₂N₂O. 2 HCl

M.W. 174.29 2*36.46

M-0816

alpha-Hydroxy Metoprolol

Metoprolol EP Impurity N

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C₆H₁₅NO₂

M.W. 133.19

M-0817

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Metoprolol USP Related Compound B

CAS No. 56718-76-4

C₁₂H₁₇ClO₃

M.W. 244.72

M-0818

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Metoprolol Impurity 11

C₁₄H₂₁NO₄

M.W. 267.33

M-0819

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Metoprolol Impurity 1 HCl

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C₁₅H₂₃NO₄. HCl

M.W. 281.35 36.46

M-0820

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Metoprolol Impurity 2 (Mixture of Z and E Isomers)

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C15H23NO3

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Metoprolol EP Impurity M

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C₉H₂₂N₂O

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C₁₃H₂₀O₂

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M-0823

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Metoprolol Impurity 4

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C12H18O2

M.W. 194.28

M-0824

alpha-Hydroxy Metoprolol

Metoprolol Impurity 5

CAS No. 230975-30-1

C₂₁H₂₈O₅

M.W. 360.45

M-0825

alpha-Hydroxy Metoprolol

Metoprolol Impurity 6

C₁₆H₂₃NO₅

M.W. 309.36

M-0826

alpha-Hydroxy Metoprolol

Metoprolol Impurity 7

CAS No. 56718-70-8

C₁₂H₁₆O₃

M.W. 208.26

M-0827

alpha-Hydroxy Metoprolol

2-(2-Methoxyethyl)phenol

CAS No. 330976-39-1

C9H12O2

M.W. C9H12O2

M-0828

alpha-Hydroxy Metoprolol

Metoprolol Impurity 12

CAS No. 32846-01-8

C₉H₁₂O₂

M.W. 152.19

M-0829

alpha-Hydroxy Metoprolol

p-(2-Methoxyethyl)anisole

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C10H14O2

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M-0830

alpha-Hydroxy Metoprolol

Metoprolol EP Impurity O (Metoprolol USP Related Compound D (Free Form)) (Mixture of Diastereomers)

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C₂₇H₄₁NO₆

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M-0831

alpha-Hydroxy Metoprolol

Metoprolol Impurity 8

C₂₇H₄₅NO₁₃

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M-0832

alpha-Hydroxy Metoprolol

Metoprolol Impurity 9

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C₁₂H₁₆O₃

M.W. 208.26

M-0833

alpha-Hydroxy Metoprolol

Metoprolol-d6

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C₁₅H₁₉D₆NO₃

M.W. 273.41

M-0834

alpha-Hydroxy Metoprolol

Metoprolol-d6 Hemi-L-Tartrate

C₁₅H₁₉D₆NO₃. 0.5 C₄H₆O₆

M.W. 273.41 0.5*150.09

M-0835

alpha-Hydroxy Metoprolol

Metoprolol Impurity 10

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C₁₅H₂₃NO₄

M.W. 281.35

M-0836

alpha-Hydroxy Metoprolol

Metoprolol Succinate

CAS No. 98418-47-4

C₃₀H₅₀N₂O₆. C₄H₆O₄

M.W. 652.82

M-0837

alpha-Hydroxy Metoprolol

N-Nitroso Metoprolol

CAS No. 138768-62-4

C₁₅H₂₄N₂O₄

M.W. 296.37

M-0839

alpha-Hydroxy Metoprolol

N-Nitroso Metoprolol EP Impurity C

C₁₃H₁₈N₂O₄

M.W. 266.30

M-0840

alpha-Hydroxy Metoprolol

N-Nitroso Metoprolol-d6

C₁₅H₁₈D₆N₂O₆

M.W. 302.40

M-0841

alpha-Hydroxy Metoprolol

Metoprolol Impurity 13

C₁₂H₂₈N₂O₃

M.W. 248.37

M-0842

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M.W. 194.23

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alpha-Hydroxy Metoprolol

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M-0845

alpha-Hydroxy Metoprolol

N,N-Dinitroso Metoprolol EP Impurity M

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M.W. 232.28

M-0846

alpha-Hydroxy Metoprolol

alpha-Hydroxy Metoprolol-d4

C₁₅H₂₁D₄NO₄

M.W. 287.39

M-0847

alpha-Hydroxy Metoprolol

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M-0848

alpha-Hydroxy Metoprolol

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C₂₇H₃₄D₇NO₆. HCl

M.W. 482.67 36.46

M-0849

alpha-Hydroxy Metoprolol

Metoprolol-d7

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C₁₅H₁₈D₇NO₃

M.W. 274.41

M-0850

alpha-Hydroxy Metoprolol

Metoprolol-d7 HCl

CAS No. 1219798-61-4

C₁₅H₁₈D₇NO₃

M.W. 274.41