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Timolol Related Products


SynZeal is a leading innovator in pharmaceutical reference standards. We supply high-quality Reference Standards of Timolol, pharmacopeial and non-pharmacopeial Timolol impurities, metabolites, stable isotope products, and nitrosamines (N-NO products). Timolol impurities reference standards are useful in pharmaceutical research. They are useful in product development, ANDA and DMF filing, quality control (QC), method validation, and stability studies. It is also useful in the identification of unknown impurities and the assessment of genotoxic potential.

Timolol-related products are thoroughly characterized. Timolol products are supplied with detailed COA & analytical data meeting regulatory compliance. We can also provide EP/USP traceable standards based on your requirements. The supplied products are re-tested at regular intervals.

Pharmaceutical Reference Standards

Hydroxy Timolol

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

Timolol EP Impurity A

Picture of Timolol EP Impurity A
SZ 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)

Timolol EP Impurity A (Maleate salt)

Picture of Timolol EP Impurity A (Maleate salt)
SZ CAT No:: SZ-T018033
CAS No: 26839-77-0
Mol.F.: C13H24N4O3S : C4H4O4
Mol.Wt.: 316.4 : 116.1
Inv. Status: In Stock
Rel. CAS No: 26839-76-9 (free base)

Timolol EP Impurity B

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

Timolol EP Impurity B (Maleate salt)

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

Timolol EP Impurity C

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

Timolol EP Impurity E (Maleate salt)

Picture of Timolol EP Impurity E (Maleate salt)
SZ 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)

Timolol EP Impurity F

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

Timolol EP Impurity G (free base)

Picture of Timolol EP Impurity G (free base)
SZ 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)

Timolol EP Impurity G (K salt)

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

Timolol EP Impurity H

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

Timolol Impurity 4

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

Timolol Impurity 6

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

Timolol Impurity K

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

Timolol Maleate

Picture of Timolol Maleate
SZ 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)

Timolol USP Related Compound C 

Picture of Timolol USP Related Compound C 
SZ 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)

Timolol EP Impurity E

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

Timolol Impurity 7

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

Timolol EP Impurity E (TFA Salt)

Picture of Timolol EP Impurity E (TFA Salt)
SZ CAT No:: SZ-T018006
CAS No: NA
Mol.F.: C17H26N4O6S : C2HF3O2
Mol.Wt.: 414.5 : 114.0
Inv. Status: Out of Stock
Rel. CAS No: 1026075-53-5 (free base)

(S)-Isotimolol

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

rac Timolol Maleate

Picture of rac Timolol Maleate
SZ 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)

Timolol

Picture of Timolol
SZ 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)

Timolol Dimer

Picture of Timolol Dimer
SZ CAT No:: SZ-T018034
CAS No: NA
Mol.F.: C22H37N7O6S2
Mol.Wt.: 559.7
Inv. Status: Custom Synthesis

Timolol Impurity 5

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

Timolol Impurity 8

Picture of Timolol Impurity 8
SZ CAT No:: SZ-T018031
CAS No: 2983462-63-9
Mol.F.: C20H28N4O3S
Mol.Wt.: 404.5
Inv. Status: Custom Synthesis

Timolol Oxazolidinyl Benzenesulfonate

Picture of Timolol Oxazolidinyl Benzenesulfonate
SZ CAT No:: SZ-T018035
CAS No: 345585-14-0
Mol.F.: C20H25NO4S
Mol.Wt.: 375.5
Inv. Status: Custom Synthesis

Timolol Impurity 1

Picture of Timolol Impurity 1
SZ CAT No:: 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
SZ CAT No:: SZ-T018016
CAS No: 75014-26-5
Mol.F.: C11H22N4O3S
Mol.Wt.: 290.4
Inv. Status: Under Synthesis

Timolol Impurity 3

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

Timolol Impurity 9

Picture of Timolol Impurity 9
SZ CAT No:: SZ-T018042
CAS No: 30315-46-9
Mol.F.: C7H17NO2
Mol.Wt.: 147.2
Inv. Status: Under Synthesis
Rel. CAS No: 116729-55-6 (HCl salt)

Possible Nitroso Standards

N-Nitroso Timolol

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

N-Nitroso Timolol Impurity 2

Picture of N-Nitroso Timolol Impurity 2
SZ CAT No:: SZ-T018041
CAS No: 20002-25-9
Mol.F.: C11H16N2O
Mol.Wt.: 192.3
Inv. Status: In Stock

N-Nitroso Timolol EP Impurity A

Picture of N-Nitroso Timolol EP Impurity A
SZ CAT No:: SZ-T018036
CAS No: NA
Mol.F.: C13H23N5O4S
Mol.Wt.: 345.4
Inv. Status: Custom Synthesis

N-Nitroso Timolol EP Impurity B

Picture of N-Nitroso Timolol EP Impurity B
SZ CAT No:: SZ-T018037
CAS No: NA
Mol.F.: C13H23N5O4S
Mol.Wt.: 345.4
Inv. Status: Custom Synthesis

N-Nitroso Timolol EP Impurity C

Picture of N-Nitroso Timolol EP Impurity C
SZ CAT No:: SZ-T018038
CAS No: NA
Mol.F.: C19H30N8O5S2
Mol.Wt.: 514.6
Inv. Status: Custom Synthesis

N-Nitroso Timolol EP Impurity E

Picture of N-Nitroso Timolol EP Impurity E
SZ CAT No:: SZ-T018039
CAS No: NA
Mol.F.: C17H25N5O7S
Mol.Wt.: 443.5
Inv. Status: Custom Synthesis

N-Nitroso Timolol Impurity 1

Picture of N-Nitroso Timolol Impurity 1
SZ CAT No:: SZ-T018040
CAS No: NA
Mol.F.: C7H16N2O3
Mol.Wt.: 176.2
Inv. Status: Custom Synthesis

Stable Isotopes and Metabolites

Timolol-D5

Picture of Timolol-D5
SZ CAT No:: SZ-T018D01
CAS No: NA
Mol.F.: C13H19D5N4O3S
Mol.Wt.: 321.5
Inv. Status: Custom Synthesis
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