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TIMOLOL

T-689

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Catalogue Number:	T-689
Compound Name:	Timolol EP Impurity A Maleate (Timolol USP Related Compound A, (R)-Timolol Maleate)
Synonyms:	(R)-1-(tert-butylamino)-3-((4-morpholino-1,2,5-thiadiazol-3-yl)oxy)propan-2-ol, maleate (1:1)
CAS#:	26839-77-0
Alternate CAS#:	26839-76-9 (free base)
Molecular Formula:	C₁₃H₂₄N₄O₃S. C₄H₄O₄
Molecular Weight:	316.43 116.07

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

C₁₉H₃₁N₇O₄S₂. C₄H₄O₄

M.W. 485.63 116.07

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Timolol EP Impurity D (Timolol USP Related Compound D)

C₆H₉N₃O₂S

M.W. 187.22

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Timolol EP Impurity F (Timolol USP Related Compound F)

CAS No. 30165-96-9

C₆H₈ClN₃OS

M.W. 205.67

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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

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-68015

Timolol Maleate

Timolol EP Impurity H

CAS No. 158636-97-6

C₁₃H₂₄N₄O₃S

M.W. 316.42

T-6810

Timolol Maleate

Timolol EP Impurity I

C₁₁H₂₀N₄O₃S

M.W. 288.37

T-6811

Timolol Maleate

Timolol EP Impurity J

C₁₆H₃₂N₄O₄S

M.W. 376.52

T-6812

Timolol Maleate

Timolol

CAS No. 26839-75-8

C13H24N4O3S

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CAS No. 59697-06-2

C₁₃H₂₄N₄O₃S

M.W. 316.43

T-6814

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Timolol Impurity 1

CAS No. 75014-25-4

C13H24N4O5S

M.W. 348.42

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Timolol Impurity 2

CAS No. 75014-26-5

C11H22N4O3S

M.W. 290.38

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Timolol Impurity 3

C9H13N3O5S

M.W. 275.28

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(S)-Timolol-d5

C13H19D5N4O3S

M.W. 321.45

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Timolol-d9 Maleate

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M.W. 325.47 116.07

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(R)-Timolol-d9 Maleate

C13H15D9N4O3S. C4H4O4

M.W. 325.47 116.07

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C₁₃H₂₃N₅O₄S

M.W. 345.42

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Timolol Impurity 5

CAS No. 158636-99-8

C₁₀H₁₇N₃O₂S

M.W. 243.33

T-6822

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Timolol Impurity 6

C₁₃H₂₄N₄O₂S₂

M.W. 332.48

T-6823

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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

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Timolol Impurity 8

C₂₂H₃₇N₇O₆S₂

M.W. 559.70

T-6826

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Timolol Impurity 9

CAS No. 935528-00-0

C₉H₁₄ClN₃O₃S

M.W. 279.74

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Timolol Impurity 10

CAS No. 58827-68-2

C₉H₁₃N₃O₃S

M.W. 243.28

T-6828

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Timolol Impurity 11

CAS No. 369377-82-2

C₁₅H₂₂N₆O₅S₂

M.W. 430.50

T-6829

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Timolol Impurity 12

CAS No. 69500-53-4

C₉H₁₃N₃O₃S

M.W. 243.28

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Timolol Impurity 13

CAS No. 741719-53-9

C₉H₁₃N₃O₃S

M.W. 243.28

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Timolol Impurity 14

CAS No. 935528-01-1

C₉H₁₅N₃O₄S

M.W. 261.30

T-6832

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Timolol Impurity 15

CAS No. 295776-81-7

C₉H₁₅N₃O₄S

M.W. 261.30

T-6833

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Timolol Impurity 16

CAS No. 214691-24-4

C₆H₉N₃OS

M.W. 171.22

T-6834

Timolol Maleate

N-Nitroso Timolol EP Impurity B

C₁₃H₂₃N₅O₄S

M.W. 345.42

T-6835

Timolol Maleate

N-Nitroso Timolol EP Impurity E

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

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Timolol Impurity 17 S-isomer

CAS No. 105831-53-6

C₉H₁₆N₄O₃S

M.W. 260.31

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Timolol Impurity 17 R-isomer

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M.W. 260.31

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C₅H₆N₂O₂S

M.W. 158.18

T-6841

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Timolol Impurity 18 S-Isomer

C₅H₆N₂O₂S

M.W. 158.18

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CAS No. 1178185-00-6

C₉H₁₇N₃O₂S

M.W. 231.31

T-6843

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Timolol Impurity 19 S-Isomer

C₉H₁₇N₃O₂S

M.W. 231.31

T-6844

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Timolol Impurity 19 R-Isomer

C₉H₁₇N₃O₂S

M.W. 231.31