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TLC Pharmaceutical Standards

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OLOPATADINE

O-1041

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Catalogue Number:	O-1041
Compound Name:	N-Nitroso-N-Desmethyl Olopatadine
Synonyms:	(Z)-2-(11-(3-(methyl(nitroso)amino)propylidene)-6,11-dihydrodibenzo[b,e]oxepin-2-yl)acetic acid
CAS#:
Alternate CAS#:
Molecular Formula:	C₂₀H₂₀N₂O₄
Molecular Weight:	352.39

Related Product

O-101

Olopatadine USP Related Compound B (Olopatadine N-Oxide)

Olopatadine USP Related Compound B (Olopatadine N-Oxide)

CAS No. 173174-07-7

C₂₁H₂₃NO₄

M.W. 353.42

O-102

Olopatadine USP Related Compound B (Olopatadine N-Oxide)

Olopatadine HCl

CAS No. 140462-76-6

C₂₁H₂₃NO₃. HCl

M.W. 337.42 36.46

O-103

Olopatadine USP Related Compound B (Olopatadine N-Oxide)

Olopatadine-d3 HCl

C₂₁H₂₀D₃NO₃. HCl

M.W. 340.44 36.46

O-104

Olopatadine USP Related Compound B (Olopatadine N-Oxide)

alpha-Hydroxy Olopatadine Sodium Salt

C₂₁H₂₂NO₄. Na

M.W. 352.41 22.99

O-105

Olopatadine USP Related Compound B (Olopatadine N-Oxide)

(E)-Olopatadine

CAS No. 113806-06-7

C₂₁H₂₃NO₃

M.W. 337.42

O-106

Olopatadine USP Related Compound B (Olopatadine N-Oxide)

N-Desmethyl Olopatadine HCl

C₂₀H₂₁NO₃. HCl

M.W. 323.39 36.46

O-107

Olopatadine USP Related Compound B (Olopatadine N-Oxide)

Olopatadine Acetaldehyde HCl

CAS No. 1376615-97-2 (free base)

C21H23NO2. HCl

M.W. 321.42 36.46

O-108

Olopatadine USP Related Compound B (Olopatadine N-Oxide)

N-Didesmethyl Olopatadine-d5 HCl

C19H14NO3D5 . HCl

M.W. 314.40 36.46

O-109

Olopatadine USP Related Compound B (Olopatadine N-Oxide)

N-Didesmethyl Olopatadine HCl

C19H19NO3 . HCl

M.W. 309.37 36.46

O-1010

Olopatadine USP Related Compound B (Olopatadine N-Oxide)

Olopatadine-d3 N-Oxide

C21H20NO4D3

M.W. 356.44

O-1011

Olopatadine USP Related Compound B (Olopatadine N-Oxide)

N-Desmethyl Olopatadine-d3 HCl

C₂₀H₁₈D₃NO₃. HCl

M.W. 326.41 36.46

O-1012

Olopatadine USP Related Compound B (Olopatadine N-Oxide)

Olopatadine Carbaldehyde HCl (Mixture of Z and E Isomers)

C₂₀H₂₁NO₂. HCl

M.W. 307.39 36.46

O-1014

Olopatadine USP Related Compound B (Olopatadine N-Oxide)

Olopatadine Isopropyl Ester HCl

C₂₄H₂₉NO₃. HCl

M.W. 379.50 36.46

O-1013

Olopatadine USP Related Compound B (Olopatadine N-Oxide)

Olopatadine USP Related Compound C (Isoxepac)

CAS No. 55453-87-7

C₁₆H₁₂O₄

M.W. 268.27

O-1015

Olopatadine USP Related Compound B (Olopatadine N-Oxide)

Olopatadine Impurity 1

CAS No. 66801-40-9

C15H10O4

M.W. 254.24

O-1016

Olopatadine USP Related Compound B (Olopatadine N-Oxide)

(E)-Olopatadine Isopropyl Ester HCl

C₂₄H₂₉NO₃. HCl

M.W. 379.50 36.46

O-1017

Olopatadine USP Related Compound B (Olopatadine N-Oxide)

Olopatadine Impurity 2

CAS No. 56427-76-0

C₁₉H₁₈O₄

M.W. 310.35

O-1018

Olopatadine USP Related Compound B (Olopatadine N-Oxide)

(E)-N-Desmethyl Olopatadine-d3 HCl

C₂₀H₁₈D₃NO₃. HCl

M.W. 326.41 36.46

O-1019

Olopatadine USP Related Compound B (Olopatadine N-Oxide)

Olopatadine Impurity 3

CAS No. 728-97-2

C₁₅H₁₄O₃

M.W. 242.27

O-1020

Olopatadine USP Related Compound B (Olopatadine N-Oxide)

Olopatadine Impurity 4

CAS No. 55690-15-8

C₁₈H₁₈O₅

M.W. 314.34

O-1021

Olopatadine USP Related Compound B (Olopatadine N-Oxide)

Olopatadine Impurity 5

CAS No. 55690-18-1

C₁₇H₁₆O₅

M.W. 300.31

O-1022

Olopatadine USP Related Compound B (Olopatadine N-Oxide)

Olopatadine Impurity 6

CAS No. 55453-89-9

C₁₆H₁₄O₅

M.W. 286.28

O-1023

Olopatadine USP Related Compound B (Olopatadine N-Oxide)

Olopatadine Impurity 7

CAS No. 3607-17-8

C₂₁H₂₁BrP. Br

M.W. 384.28 79.90

O-1024

Olopatadine USP Related Compound B (Olopatadine N-Oxide)

Olopatadine Impurity 8 HBr

CAS No. 27710-82-3

C₂₃H₂₇NP. Br. HBr

M.W. 348.45 79.90 80.91

O-1025

Olopatadine USP Related Compound B (Olopatadine N-Oxide)

Olopatadine Impurity 9

CAS No. 680579-52-6

C₃₉H₃₅P₂. 2Br

M.W. 565.66 2*79.90

O-1026

Olopatadine USP Related Compound B (Olopatadine N-Oxide)

Olopatadine Impurity 10 HBr

CAS No. 4174-83-8

C₂₂H₂₅NP. Br. HBr

M.W. 334.42 79.90 80.91

O-1027

Olopatadine USP Related Compound B (Olopatadine N-Oxide)

Olopatadine Impurity 11 HBr

CAS No. 4174-84-9

C₂₁H₂₃NP. Br. HBr

M.W. 320.40 79.90 80.91

O-1028

Olopatadine USP Related Compound B (Olopatadine N-Oxide)

Olopatadine Impurity 12

CAS No. 962-95-8

C₁₇H₂₂NOP

M.W. 287.34

O-1029

Olopatadine USP Related Compound B (Olopatadine N-Oxide)

Olopatadine Impurity 13

CAS No. 55453-90-2

C₁₈H₁₆O₄

M.W. 296.32

O-1030

Olopatadine USP Related Compound B (Olopatadine N-Oxide)

Olopatadine Impurity 14

C₂₄H₂₉NO₃

M.W. 379.50

O-1031

Olopatadine USP Related Compound B (Olopatadine N-Oxide)

Olopatadine Impurity 15

CAS No. 70240-41-4

C₂₄H₂₈P. Br

M.W. 347.46 79.90

O-1032

Olopatadine USP Related Compound B (Olopatadine N-Oxide)

(E)-Olopatadine Carbaldehyde HCl

C₂₀H₂₁NO₂. HCl

M.W. 307.39 36.46

O-1033

Olopatadine USP Related Compound B (Olopatadine N-Oxide)

(Z)-Olopatadine Carbaldehyde HCl

C₂₀H₂₁NO₂. HCl

M.W. 307.39 36.46

O-1034

Olopatadine USP Related Compound B (Olopatadine N-Oxide)

Olopatadine Impurity 16 HCl

CAS No. 1253107-26-4

C₂₅H₃₁NO₃. HCl

M.W. 393.53 36.46

O-1035

Olopatadine USP Related Compound B (Olopatadine N-Oxide)

Olopatadine Impurity 17

CAS No. 111088-69-8

C₂₂H₂₄OP. Br

M.W. 335.41 79.90

O-1036

Olopatadine USP Related Compound B (Olopatadine N-Oxide)

Olopatadine Impurity 18

CAS No. 834-25-3

C₁₄H₁₄O

M.W. 198.27

O-1037

Olopatadine USP Related Compound B (Olopatadine N-Oxide)

Olopatadine Impurity 19

CAS No. 23560-66-9

C₁₅H₁₂O₂

M.W. 224.26

O-1038

Olopatadine USP Related Compound B (Olopatadine N-Oxide)

Olopatadine USP Related Compound B Trifluoroacetate (Olopatadine N-Oxide Trifluoroacetate)

C₂₁H₂₃NO₄. C₂HF₃O₂

M.W. 353.42 114.02

O-1039

Olopatadine USP Related Compound B (Olopatadine N-Oxide)

(E)-Olopatadine-d3 HCl

C₂₁H₂₀D₃NO₃. HCl

M.W. 340.44 36.46

O-1040

Olopatadine USP Related Compound B (Olopatadine N-Oxide)

Olopatadine Impurity 20

C₁₉H₁₆O₃

M.W. 292.33

O-1042

Olopatadine USP Related Compound B (Olopatadine N-Oxide)

Olopatadine Impurity 21 (Olopatadine Amide)

CAS No. 872040-99-8

C₂₁H₂₄N₂O₂

M.W. 336.44

O-1043

Olopatadine USP Related Compound B (Olopatadine N-Oxide)

Olopatadine Impurity 22

C₁₇H₁₄O₂

M.W. 250.30

O-1044

Olopatadine USP Related Compound B (Olopatadine N-Oxide)

alpha-Hydroxy (E)-Olopatadine

CAS No. 1331822-32-2

C₂₁H₂₃NO₄

M.W. 353.42

O-1045

Olopatadine USP Related Compound B (Olopatadine N-Oxide)

Olopatadine Impurity 23

C₁₈H₁₄O₄

M.W. 294.31

O-1046

Olopatadine USP Related Compound B (Olopatadine N-Oxide)

Olopatadine Impurity 24

CAS No. 113806-01-2

C₂₂H₂₅NO₃

M.W. 351.45

O-1047

Olopatadine USP Related Compound B (Olopatadine N-Oxide)

Olopatadine Impurity 25

CAS No. 113806-03-4

C₂₃H₂₇NO₃

M.W. 365.47

O-1048

Olopatadine USP Related Compound B (Olopatadine N-Oxide)

Olopatadine Impurity 26

CAS No. 55689-64-0

C₁₇H₁₄O₄

M.W. 282.30

O-1049

Olopatadine USP Related Compound B (Olopatadine N-Oxide)

Olopatadine Impurity 27

C₂₃H₂₇NO₃

M.W. 365.47

O-1050

Olopatadine USP Related Compound B (Olopatadine N-Oxide)

N-Nitroso Olopatadine Impurity 27

C₂₃H₂₆N₂O₄

M.W. 394.47

O-1051

Olopatadine USP Related Compound B (Olopatadine N-Oxide)

Olopatadine Impurity 28

C₂₀H₂₁NO₄

M.W. 339.39

O-1052

Olopatadine USP Related Compound B (Olopatadine N-Oxide)

N-Nitroso Olopatadine Impurity 28

C₂₀H₂₀N₂O₅

M.W. 368.39

O-1053

Olopatadine USP Related Compound B (Olopatadine N-Oxide)

Olopatadine Impurity 29

C₂₀H₂₁NO₂

M.W. 307.39

O-1054

Olopatadine USP Related Compound B (Olopatadine N-Oxide)

N-Nitroso Olopatadine Impurity 29

C₂₀H₂₀N₂O₃

M.W. 336.39