TLC Pharmaceutical Standards

TLC Pharmaceutical Standards

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TIMOLOL

T-6810

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Catalogue Number:	T-6810
Compound Name:	Timolol EP Impurity I
Synonyms:	1-(ethylamino)-3-((4-morpholino-1,2,5-thiadiazol-3-yl)oxy)propan-2-ol
CAS#:	2469037-77-0
Alternate CAS#:	2469037-78-1 (HCl Salt)
Molecular Formula:	C₁₁H₂₀N₄O₃S
Molecular Weight:	288.37

Related Product

T-681

Timolol Maleate

Timolol Maleate

CAS No. 26921-17-5

C₁₃H₂₄N₄O₃S. C₄H₄O₄

M.W. 316.42 116.07

T-682

Timolol Maleate

rac-Timolol Maleate

CAS No. 57073-55-9

C₁₃H₂₄N₄O₃S. C₄H₄O₄

M.W. 316.43 116.07

T-683

Timolol Maleate

Timolol EP Impurity B (S-Isomer) (Timolol USP Related Compound B (S-Isomer))

CAS No. 158636-96-5

C₁₃H₂₄N₄O₃S

M.W. 316.43

T-684

Timolol Maleate

(S)-Timolol EP Impurity C Maleate ((S)-Timolol USP Related Compound C)

C₁₉H₃₁N₇O₄S₂. C₄H₄O₄

M.W. 485.63 116.07

T-685

Timolol Maleate

Timolol EP Impurity D (Timolol USP Related Compound D)

C₆H₉N₃O₂S

M.W. 187.22

T-686

Timolol Maleate

Timolol EP Impurity F (Timolol USP Related Compound F)

CAS No. 30165-96-9

C₆H₈ClN₃OS

M.W. 205.67

T-6809

Timolol Maleate

Hydroxy Timolol

C₁₃H₂₄N₄O₄S

M.W. 332.42

T-68010

Timolol Maleate

Reduced Timolol

C13H22N4O3S

M.W. 314.41

T-68011

Timolol Maleate

Timolol-d9

C13H15D9N4O3S

M.W. 325.47

T-68012

Timolol Maleate

rac-Timolol-d5

C13H19N4O3SD5

M.W. 321.46

T-68013

Timolol Maleate

Timolol EP Impurity E (Timolol USP Related Compound E (Free Form))

CAS No. 1026075-53-5

C₁₇H₂₆N₄O₆S

M.W. 414.48

T-68014

Timolol Maleate

Timolol EP Impurity G

CAS No. 75202-36-7

C₆H₉N₃O₃S

M.W. 203.22

T-689

Timolol Maleate

Timolol EP Impurity A Maleate (Timolol USP Related Compound A, (R)-Timolol Maleate)

CAS No. 26839-77-0

C₁₃H₂₄N₄O₃S. C₄H₄O₄

M.W. 316.43 116.07

T-68015

Timolol Maleate

Timolol EP Impurity H

CAS No. 158636-97-6

C₁₃H₂₄N₄O₃S

M.W. 316.42

T-6811

Timolol Maleate

Timolol EP Impurity J

C₁₆H₃₂N₄O₄S

M.W. 376.52

T-6812

Timolol Maleate

Timolol

CAS No. 26839-75-8

C13H24N4O3S

M.W. 316.43

T-6813

Timolol Maleate

Timolol EP Impurity B (Timolol USP Related Compound B)

CAS No. 59697-06-2

C₁₃H₂₄N₄O₃S

M.W. 316.43

T-6814

Timolol Maleate

Timolol Impurity 1

CAS No. 75014-25-4

C13H24N4O5S

M.W. 348.42

T-6815

Timolol Maleate

Timolol Impurity 2

CAS No. 75014-26-5

C11H22N4O3S

M.W. 290.38

T-6816

Timolol Maleate

Timolol Impurity 3

C9H13N3O5S

M.W. 275.28

T-6817

Timolol Maleate

(S)-Timolol-d5

C13H19D5N4O3S

M.W. 321.45

T-6818

Timolol Maleate

Timolol-d9 Maleate

C₁₃H₁₅D₉N₄O₃S. C₄H₄O₄

M.W. 325.47 116.07

T-6819

Timolol Maleate

(R)-Timolol-d9 Maleate

C13H15D9N4O3S. C4H4O4

M.W. 325.47 116.07

T-6820

Timolol Maleate

Timolol Impurity 4 (N-Nitroso Timolol)

C₁₃H₂₃N₅O₄S

M.W. 345.42

T-6821

Timolol Maleate

Timolol Impurity 5

CAS No. 158636-99-8

C₁₀H₁₇N₃O₂S

M.W. 243.33

T-6822

Timolol Maleate

Timolol Impurity 6

C₁₃H₂₄N₄O₂S₂

M.W. 332.48

T-6823

Timolol Maleate

Timolol Impurity 7 Maleate

C₁₆H₂₆N₄O₄S. C₄H₄O₄

M.W. 370.47 116.07

T-6824

Timolol Maleate

N-Nitroso Timolol EP Impurity A (N-Nitroso Timolol USP Related Compound A, N-Nitroso (R)-Timolol)

C₁₃H₂₃N₅O₄S

M.W. 345.42

T-6825

Timolol Maleate

Timolol Impurity 8

C₂₂H₃₇N₇O₆S₂

M.W. 559.70

T-6826

Timolol Maleate

Timolol Impurity 9

CAS No. 935528-00-0

C₉H₁₄ClN₃O₃S

M.W. 279.74

T-6827

Timolol Maleate

Timolol Impurity 10

CAS No. 58827-68-2

C₉H₁₃N₃O₃S

M.W. 243.28

T-6828

Timolol Maleate

Timolol Impurity 11

CAS No. 369377-82-2

C₁₅H₂₂N₆O₅S₂

M.W. 430.50

T-6829

Timolol Maleate

Timolol Impurity 12

CAS No. 69500-53-4

C₉H₁₃N₃O₃S

M.W. 243.28

T-6830

Timolol Maleate

Timolol Impurity 13

CAS No. 741719-53-9

C₉H₁₃N₃O₃S

M.W. 243.28

T-6831

Timolol Maleate

Timolol Impurity 14

CAS No. 935528-01-1

C₉H₁₅N₃O₄S

M.W. 261.30

T-6832

Timolol Maleate

Timolol Impurity 15

CAS No. 295776-81-7

C₉H₁₅N₃O₄S

M.W. 261.30

T-6833

Timolol Maleate

Timolol Impurity 16

CAS No. 214691-24-4

C₆H₉N₃OS

M.W. 171.22

T-6834

Timolol Maleate

N-Nitroso Timolol EP Impurity B (N-Nitroso Timolol USP Related Compound B)

C₁₃H₂₃N₅O₄S

M.W. 345.42

T-6835

Timolol Maleate

N-Nitroso Timolol EP Impurity E (N-Nitroso Timolol USP Related Compound E (Free Form))

C₁₇H₂₅N₅O₇S

M.W. 443.48

T-6836

Timolol Maleate

N-Nitroso (S)-Timolol EP Impurity C

C₁₉H₃₀N₈O₅S₂

M.W. 514.62

T-6837

Timolol Maleate

Timolol Impurity 17

C₉H₁₆N₄O₃S

M.W. 260.31

T-6838

Timolol Maleate

Timolol Impurity 17 S-isomer

CAS No. 105831-53-6

C₉H₁₆N₄O₃S

M.W. 260.31

T-6839

Timolol Maleate

Timolol Impurity 17 R-isomer

C₉H₁₆N₄O₃S

M.W. 260.31

T-6840

Timolol Maleate

Timolol Impurity 18 R-Isomer

CAS No. 252342-34-0

C₅H₆N₂O₂S

M.W. 158.18

T-6841

Timolol Maleate

Timolol Impurity 18 S-Isomer

C₅H₆N₂O₂S

M.W. 158.18

T-6842

Timolol Maleate

Timolol Impurity 19

CAS No. 1178185-00-6

C₉H₁₇N₃O₂S

M.W. 231.31

T-6843

Timolol Maleate

Timolol Impurity 19 S-Isomer

C₉H₁₇N₃O₂S

M.W. 231.31

T-6844

Timolol Maleate

Timolol Impurity 19 R-Isomer

C₉H₁₇N₃O₂S

M.W. 231.31

T-6845

Timolol Maleate

Timolol impurity 20

CAS No. 2245349-67-9

C₁₅H₂₆N₄O₄S

M.W. 358.46

T-6846

Timolol Maleate

Timolol impurity 21

C₁₅H₂₆N₄O₅S

M.W. 374.46

T-6847

Timolol Maleate

Timolol impurity 22 HCl

C₁₅H₂₆N₄O₅S. HCl

M.W. 374.46 36.46

T-6848

Timolol Maleate

(S)-Hydroxy Timolol

CAS No. 1227468-61-2

C₁₃H₂₄N₄O₄S

M.W. 332.42