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Promethazine Related Products


SynZeal is a leading innovator in pharmaceutical reference standards. We supply high-quality Reference Standards of Promethazine, pharmacopeial and non-pharmacopeial Promethazine impurities, metabolites, stable isotope products, and nitrosamines (N-NO products). Promethazine 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.

Promethazine-related products are thoroughly characterized. Promethazine 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.

Stable Isotopes and Metabolites

Iso-Promethazine-d3 Hydrochloride

Picture of Iso-Promethazine-d3 Hydrochloride
SZ CAT No:: SZ-P039D02
CAS No: 1329835-09-7
Mol.F.: C17H17D3N2S : HCl
Mol.Wt.: 287.4 : 36.5
Inv. Status: Custom Synthesis

Promethazine D6 Hydrochloride

Picture of Promethazine D6 Hydrochloride
SZ CAT No:: SZ-P039D01
CAS No: 1189947-02-1
Mol.F.: C17H14D6N2S : HCl
Mol.Wt.: 290.5 : 36.5
Inv. Status: Custom Synthesis

Pharmaceutical Reference Standards

10H-Phenothiazine 5-Oxide

Picture of 10H-Phenothiazine 5-Oxide
SZ CAT No:: SZ-P039010
CAS No: 1207-71-2
Mol.F.: C12H9NOS
Mol.Wt.: 215.3
Inv. Status: In Stock

Phenothiazine S,S-Dioxide

Picture of Phenothiazine S,S-Dioxide
SZ CAT No:: SZ-P039012
CAS No: 1209-66-1
Mol.F.: C12H9NO2S
Mol.Wt.: 231.3
Inv. Status: In Stock

Promethazine EP Impurity A

Picture of Promethazine EP Impurity A
SZ CAT No:: SZ-P039002
CAS No: 92-84-2
Mol.F.: C12H9NS
Mol.Wt.: 199.3
Inv. Status: In Stock

Promethazine EP Impurity B

Picture of Promethazine EP Impurity B
SZ CAT No:: SZ-P039003
CAS No: 5568-90-1
Mol.F.: C17H20N2S : HCl
Mol.Wt.: 284.4 : 36.5
Inv. Status: In Stock

Promethazine EP Impurity C

Picture of Promethazine EP Impurity C
SZ CAT No:: SZ-P039021
CAS No: 37707-23-6
Mol.F.: C16H18N2S
Mol.Wt.: 270.4
Inv. Status: In Stock

Promethazine EP Impurity C (HCl salt)

Picture of Promethazine EP Impurity C (HCl salt)
SZ CAT No:: SZ-P039004
CAS No: 60113-77-1
Mol.F.: C16H18N2S : HCl
Mol.Wt.: 270.4 : 36.5
Inv. Status: In Stock

Promethazine EP Impurity D

Picture of Promethazine EP Impurity D
SZ CAT No:: SZ-P039005
CAS No: 7640-51-9
Mol.F.: C17H20N2OS
Mol.Wt.: 300.4
Inv. Status: In Stock

Promethazine Hydrochloride

Picture of Promethazine Hydrochloride
SZ CAT No:: SZ-P039001
CAS No: 58-33-3
Mol.F.: C17H20N2S : HCl
Mol.Wt.: 284.4 : 36.5
Inv. Status: In Stock

Promethazine Impurity 1

Picture of Promethazine Impurity 1
SZ CAT No:: SZ-P039013
CAS No: 1217-37-4
Mol.F.: C14H11NO2S
Mol.Wt.: 257.3
Inv. Status: In Stock

Trimeprazine Sulfoxide

Picture of Trimeprazine Sulfoxide
SZ CAT No:: SZ-P039009
CAS No: 10071-07-5
Mol.F.: C18H22N2OS
Mol.Wt.: 314.4
Inv. Status: In Stock

10-​Acetyl-​10H-​phenothiazine 5,​5-​dioxide

Picture of 10-​Acetyl-​10H-​phenothiazine 5,​5-​dioxide
SZ CAT No:: SZ-P039011
CAS No: 1220-99-1
Mol.F.: C14H11NO3S
Mol.Wt.: 273.3
Inv. Status: Limited Stock

10-Propyl-10H-phenothiazine

Picture of 10-Propyl-10H-phenothiazine
SZ CAT No:: SZ-P039014
CAS No: 15375-48-1
Mol.F.: C15H15NS
Mol.Wt.: 241.4
Inv. Status: Custom Synthesis

2-Bromo-10H-phenothiazine

Picture of 2-Bromo-10H-phenothiazine
SZ CAT No:: SZ-P039015
CAS No: 66820-95-9
Mol.F.: C12H8BrNS
Mol.Wt.: 278.2
Inv. Status: Custom Synthesis

Promethazine

Picture of Promethazine
SZ CAT No:: SZ-P039019
CAS No: 60-87-7
Mol.F.: C17H20N2S
Mol.Wt.: 284.4
Inv. Status: Custom Synthesis

Promethazine Impurity 2

Picture of Promethazine Impurity 2
SZ CAT No:: SZ-P039020
CAS No: 5828-51-3
Mol.F.: C13H11NS
Mol.Wt.: 213.3
Inv. Status: Custom Synthesis

Promethazine Impurity 3

Picture of Promethazine Impurity 3
SZ CAT No:: SZ-P039022
CAS No: 915128-36-8
Mol.F.: C13H11NOS
Mol.Wt.: 229.3
Inv. Status: Custom Synthesis

Promethazine N-Oxide

Picture of Promethazine N-Oxide
SZ CAT No:: SZ-P039006
CAS No: 81480-39-9
Mol.F.: C17H20N2OS
Mol.Wt.: 300.4
Inv. Status: Custom Synthesis

Promethazine Sulfoxide N-Oxide HCl

Picture of Promethazine Sulfoxide N-Oxide HCl
SZ CAT No:: SZ-P039007
CAS No: 1135334-50-7
Mol.F.: C17H20N2O2S : HCl
Mol.Wt.: 316.4 : 36.5
Inv. Status: Custom Synthesis

Promethazine Teoclate

Picture of Promethazine Teoclate
SZ CAT No:: SZ-P039018
CAS No: 17693-51-5
Mol.F.: C17H20N2S : C7H7ClN4O2
Mol.Wt.: 284.4 : 214.6
Inv. Status: Custom Synthesis

Promethazine-N-glucuronide

Picture of Promethazine-N-glucuronide
SZ CAT No:: SZ-P039008
CAS No: 137908-81-7
Mol.F.: C23H28N2O6S
Mol.Wt.: 460.5
Inv. Status: Custom Synthesis

Promethazine Impurity 4

Picture of Promethazine Impurity 4
SZ CAT No:: SZ-P039023
CAS No: NA
Mol.F.: C15H17NO4
Mol.Wt.: 275.3
Inv. Status:

Possible Nitroso Standards

N-Nitroso Promethazine EP Impurity C

Picture of N-Nitroso Promethazine EP Impurity C
SZ CAT No:: SZ-P039016
CAS No: 94511-44-1
Mol.F.: C16H17N3OS
Mol.Wt.: 299.4
Inv. Status: In Stock

N-Nitroso Promethazine EP Impurity A

Picture of N-Nitroso Promethazine EP Impurity A
SZ CAT No:: SZ-P039017
CAS No: 36144-72-6
Mol.F.: C12H8N2OS
Mol.Wt.: 228.3
Inv. Status: Inquire
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