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Pharmaceutical Reference Standards

Timolol Maleate

Picture of Timolol Maleate
CAT No: SZ-T018001
CAS No: 26921-17-5
Mol.F. : C13H24N4O3S : C4H4O4
Mol.Wt. : 316.4 : 116.1
Inv. Status: In Stock
Rel. CAS No : 26839-75-8 (free base)
SZ-T018001
CAS No:26921-17-5
Mol.F.: C13H24N4O3S : C4H4O4
Mol.Wt.: 316.4 : 116.1
Inv. Status: In Stock
Rel. CAS No : 26839-75-8 (free base)

Timolol EP Impurity A

Picture of Timolol EP Impurity A
CAT No: SZ-T018002
CAS No: 26839-76-9
Mol.F. : C13H24N4O3S
Mol.Wt. : 316.4
Inv. Status: In Stock
Rel. CAS No : 26839-77-0 (maleate salt)
SZ-T018002
CAS No:26839-76-9
Mol.F.: C13H24N4O3S
Mol.Wt.: 316.4
Inv. Status: In Stock
Rel. CAS No : 26839-77-0 (maleate salt)

Timolol EP Impurity B

Picture of Timolol EP Impurity B
CAT No: SZ-T018003
CAS No: 59697-06-2
Mol.F. : C13H24N4O3S
Mol.Wt. : 316.4
Inv. Status: Limited Stock
SZ-T018003
CAS No:59697-06-2
Mol.F.: C13H24N4O3S
Mol.Wt.: 316.4
Inv. Status: Limited Stock

Timolol EP Impurity C

Picture of Timolol EP Impurity C
CAT No: SZ-T018004
CAS No: 610271-56-2
Mol.F. : C19H31N7O4S2
Mol.Wt. : 485.6
Inv. Status: In Stock
SZ-T018004
CAS No:610271-56-2
Mol.F.: C19H31N7O4S2
Mol.Wt.: 485.6
Inv. Status: In Stock

Timolol EP Impurity D

Picture of Timolol EP Impurity D
CAT No: SZ-T018005
CAS No: 30165-97-0
Mol.F. : C6H9N3O2S
Mol.Wt. : 187.2
Inv. Status: In Stock
SZ-T018005
CAS No:30165-97-0
Mol.F.: C6H9N3O2S
Mol.Wt.: 187.2
Inv. Status: In Stock

Timolol EP Impurity E (TFA Salt)

Picture of Timolol EP Impurity E (TFA Salt)
CAT No: SZ-T018006
CAS No: NA
Mol.F. : C17H26N4O6S : C2HF3O2
Mol.Wt. : 414.5 : 114.0
Inv. Status: Out of Stock, Under Synthesis
SZ-T018006
CAS No:NA
Mol.F.: C17H26N4O6S : C2HF3O2
Mol.Wt.: 414.5 : 114.0
Inv. Status: Out of Stock, Under Synthesis

Timolol EP Impurity F

Picture of Timolol EP Impurity F
CAT No: SZ-T018007
CAS No: 30165-96-9
Mol.F. : C6H8ClN3OS
Mol.Wt. : 205.7
Inv. Status: In Stock
SZ-T018007
CAS No:30165-96-9
Mol.F.: C6H8ClN3OS
Mol.Wt.: 205.7
Inv. Status: In Stock

Timolol EP Impurity G (K salt)

Picture of Timolol EP Impurity G (K salt)
CAT No: SZ-T018008
CAS No: 79844-78-3
Mol.F. : C6H8KN3O3S
Mol.Wt. : 241.3
Inv. Status: Under QC Approval
Rel. CAS No : 75202-36-7 (free base)
SZ-T018008
CAS No:79844-78-3
Mol.F.: C6H8KN3O3S
Mol.Wt.: 241.3
Inv. Status: Under QC Approval
Rel. CAS No : 75202-36-7 (free base)

Timolol EP Impurity H

Picture of Timolol EP Impurity H
CAT No: SZ-T018009
CAS No: 158636-97-6
Mol.F. : C13H24N4O3S
Mol.Wt. : 316.4
Inv. Status: In Stock
SZ-T018009
CAS No:158636-97-6
Mol.F.: C13H24N4O3S
Mol.Wt.: 316.4
Inv. Status: In Stock

Timolol EP Impurity I

Picture of Timolol EP Impurity I
CAT No: SZ-T018010
CAS No: 2469037-77-0
Mol.F. : C11H20N4O3S
Mol.Wt. : 288.4
Inv. Status: In Stock
SZ-T018010
CAS No:2469037-77-0
Mol.F.: C11H20N4O3S
Mol.Wt.: 288.4
Inv. Status: In Stock

Timolol EP Impurity J

Picture of Timolol EP Impurity J
CAT No: SZ-T018011
CAS No: NA
Mol.F. : C16H32N4O4S
Mol.Wt. : 376.5
Inv. Status: Limited Stock
SZ-T018011
CAS No:NA
Mol.F.: C16H32N4O4S
Mol.Wt.: 376.5
Inv. Status: Limited Stock

Hydroxy Timolol

Picture of Hydroxy Timolol
CAT No: SZ-T018012
CAS No: 57519-98-9
Mol.F. : C13H24N4O4S
Mol.Wt. : 332.4
Inv. Status: Custom Synthesis
SZ-T018012
CAS No:57519-98-9
Mol.F.: C13H24N4O4S
Mol.Wt.: 332.4
Inv. Status: Custom Synthesis

(S)-Isotimolol

Picture of (S)-Isotimolol
CAT No: SZ-T018013
CAS No: 158636-96-5
Mol.F. : C13H24N4O3S
Mol.Wt. : 316.4
Inv. Status: Custom Synthesis
SZ-T018013
CAS No:158636-96-5
Mol.F.: C13H24N4O3S
Mol.Wt.: 316.4
Inv. Status: Custom Synthesis

Timolol Impurity 1

Picture of Timolol Impurity 1
CAT No: SZ-T018015
CAS No: 75014-25-4
Mol.F. : C13H24N4O5S
Mol.Wt. : 348.4
Inv. Status: Under Synthesis
SZ-T018015
CAS No:75014-25-4
Mol.F.: C13H24N4O5S
Mol.Wt.: 348.4
Inv. Status: Under Synthesis

Timolol Impurity 2

Picture of Timolol Impurity 2
CAT No: SZ-T018016
CAS No: 75014-26-5
Mol.F. : C11H22N4O3S
Mol.Wt. : 290.4
Inv. Status: Custom Synthesis
SZ-T018016
CAS No:75014-26-5
Mol.F.: C11H22N4O3S
Mol.Wt.: 290.4
Inv. Status: Custom Synthesis

Timolol Impurity 3

Picture of Timolol Impurity 3
CAT No: SZ-T018017
CAS No: 75045-22-6
Mol.F. : C9H13N3O5S
Mol.Wt. : 275.3
Inv. Status: Custom Synthesis
SZ-T018017
CAS No:75045-22-6
Mol.F.: C9H13N3O5S
Mol.Wt.: 275.3
Inv. Status: Custom Synthesis

Timolol Impurity 4

Picture of Timolol Impurity 4
CAT No: SZ-T018018
CAS No: 610271-58-4
Mol.F. : C10H16N4O2S
Mol.Wt. : 256.3
Inv. Status: In Stock
SZ-T018018
CAS No:610271-58-4
Mol.F.: C10H16N4O2S
Mol.Wt.: 256.3
Inv. Status: In Stock

Timolol EP Impurity E

Picture of Timolol EP Impurity E
CAT No: SZ-T018019
CAS No: 1026075-53-5
Mol.F. : C17H26N4O6S
Mol.Wt. : 414.5
Inv. Status: In Stock
SZ-T018019
CAS No:1026075-53-5
Mol.F.: C17H26N4O6S
Mol.Wt.: 414.5
Inv. Status: In Stock

Timolol Impurity K

Picture of Timolol Impurity K
CAT No: SZ-T018020
CAS No: 69500-53-4
Mol.F. : C9H13N3O3S
Mol.Wt. : 243.3
Inv. Status: Custom Synthesis
SZ-T018020
CAS No:69500-53-4
Mol.F.: C9H13N3O3S
Mol.Wt.: 243.3
Inv. Status: Custom Synthesis

Timolol EP Impurity G (free base)

Picture of Timolol EP Impurity G (free base)
CAT No: SZ-T018021
CAS No: 75202-36-7
Mol.F. : C6H9N3O3S
Mol.Wt. : 203.2
Inv. Status: In Stock
Rel. CAS No : 79844-78-3 (K salt)
SZ-T018021
CAS No:75202-36-7
Mol.F.: C6H9N3O3S
Mol.Wt.: 203.2
Inv. Status: In Stock
Rel. CAS No : 79844-78-3 (K salt)

rac Timolol Maleate

Picture of rac Timolol Maleate
CAT No: SZ-T018022
CAS No: 57073-55-9
Mol.F. : C13H24N4O3S : C4H4O4
Mol.Wt. : 316.4 : 116.1
Inv. Status: Custom Synthesis
Rel. CAS No : 29023-48-1 (free base)
SZ-T018022
CAS No:57073-55-9
Mol.F.: C13H24N4O3S : C4H4O4
Mol.Wt.: 316.4 : 116.1
Inv. Status: Custom Synthesis
Rel. CAS No : 29023-48-1 (free base)

Timolol Impurity 5

Picture of Timolol Impurity 5
CAT No: SZ-T018023
CAS No: 1391068-18-0
Mol.F. : C19H31N7O4S2
Mol.Wt. : 485.6
Inv. Status: Custom Synthesis
SZ-T018023
CAS No:1391068-18-0
Mol.F.: C19H31N7O4S2
Mol.Wt.: 485.6
Inv. Status: Custom Synthesis

Timolol EP Impurity E (Maleate salt)

Picture of Timolol EP Impurity E (Maleate salt)
CAT No: SZ-T018024
CAS No: NA
Mol.F. : C17H26N4O6S : C4H4O4
Mol.Wt. : 414.5 : 116.1
Inv. Status: In Stock
Rel. CAS No : 1026075-53-5 (free base)
SZ-T018024
CAS No:NA
Mol.F.: C17H26N4O6S : C4H4O4
Mol.Wt.: 414.5 : 116.1
Inv. Status: In Stock
Rel. CAS No : 1026075-53-5 (free base)

Timolol EP Impurity B (Maleate salt)

Picture of Timolol EP Impurity B (Maleate salt)
CAT No: SZ-T018025
CAS No: NA
Mol.F. : C13H24N4O3S : 1/2(C4H4O4)
Mol.Wt. : 316.4 : 1/2(116.1)
Inv. Status: In Stock
Rel. CAS No : 59697-06-2 (free base) ; 610271-55-1 (maleate salt)
SZ-T018025
CAS No:NA
Mol.F.: C13H24N4O3S : 1/2(C4H4O4)
Mol.Wt.: 316.4 : 1/2(116.1)
Inv. Status: In Stock
Rel. CAS No : 59697-06-2 (free base) ; 610271-55-1 (maleate salt)

Timolol USP Related Compound C 

Picture of Timolol USP Related Compound C 
CAT No: SZ-T018026
CAS No: 610271-57-3
Mol.F. : C19H31N7O4S2 : C4H4O4
Mol.Wt. : 485.6 : 116.1
Inv. Status: In Stock
Rel. CAS No : 610271-56-2 (free base)
SZ-T018026
CAS No:610271-57-3
Mol.F.: C19H31N7O4S2 : C4H4O4
Mol.Wt.: 485.6 : 116.1
Inv. Status: In Stock
Rel. CAS No : 610271-56-2 (free base)

Timolol

Picture of Timolol
CAT No: SZ-T018028
CAS No: 26839-75-8
Mol.F. : C13H24N4O3S
Mol.Wt. : 316.4
Inv. Status: Custom Synthesis
Rel. CAS No : 26921-17-5 (Maleate salt)
SZ-T018028
CAS No:26839-75-8
Mol.F.: C13H24N4O3S
Mol.Wt.: 316.4
Inv. Status: Custom Synthesis
Rel. CAS No : 26921-17-5 (Maleate salt)

Timolol Impurity 6

Picture of Timolol Impurity 6
CAT No: SZ-T018029
CAS No: 158636-99-8
Mol.F. : C10H17N3O2S
Mol.Wt. : 243.3
Inv. Status: In Stock
SZ-T018029
CAS No:158636-99-8
Mol.F.: C10H17N3O2S
Mol.Wt.: 243.3
Inv. Status: In Stock

Timolol Impurity 7

Picture of Timolol Impurity 7
CAT No: SZ-T018030
CAS No: 30315-49-2
Mol.F. : C14H21NO2
Mol.Wt. : 235.3
Inv. Status: In Stock
SZ-T018030
CAS No:30315-49-2
Mol.F.: C14H21NO2
Mol.Wt.: 235.3
Inv. Status: In Stock

Timolol Impurity 8

Picture of Timolol Impurity 8
CAT No: SZ-T018031
CAS No: NA
Mol.F. : C20H28N4O3S
Mol.Wt. : 404.5
Inv. Status: Custom Synthesis
SZ-T018031
CAS No:NA
Mol.F.: C20H28N4O3S
Mol.Wt.: 404.5
Inv. Status: Custom Synthesis

Possible Nitroso Standards

N-Nitroso Timolol

Picture of N-Nitroso Timolol
CAT No: SZ-T018027
CAS No: NA
Mol.F. : C13H23N5O4S
Mol.Wt. : 345.4
Inv. Status: In Stock
SZ-T018027
CAS No:NA
Mol.F.: C13H23N5O4S
Mol.Wt.: 345.4
Inv. Status: In Stock