Aspirin Impurities

Aspirin Related Products

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

Aspirin-related products are thoroughly characterized. Aspirin 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

Acetylsalicylic Acid

SZ CAT No:	: SZ-A046011
CAS No	: 50-78-2
Mol.F.	: C9H8O4
Mol.Wt.	: 180.2
Inv. Status	: In Stock

Acetylsalicylic Acid EP Impurity A (Aspirin Impurity A)

SZ CAT No:	: SZ-A046001
CAS No	: 99-96-7
Mol.F.	: C7H6O3
Mol.Wt.	: 138.1
Inv. Status	: In Stock

Acetylsalicylic Acid EP Impurity B (Aspirin Impurity B)

SZ CAT No:	: SZ-A046002
CAS No	: 636-46-4
Mol.F.	: C8H6O5
Mol.Wt.	: 182.1
Inv. Status	: In Stock

Acetylsalicylic Acid EP Impurity C (Aspirin Impurity C)

SZ CAT No:	: SZ-A046003
CAS No	: 69-72-7
Mol.F.	: C7H6O3
Mol.Wt.	: 138.1
Inv. Status	: In Stock

Acetylsalicylic Acid EP Impurity D (Aspirin Impurity D)

SZ CAT No:	: SZ-A046004
CAS No	: 530-75-6
Mol.F.	: C16H12O6
Mol.Wt.	: 300.3
Inv. Status	: In Stock

Acetylsalicylic Acid EP Impurity E (Aspirin Impurity E)

SZ CAT No:	: SZ-A046005
CAS No	: 552-94-3
Mol.F.	: C14H10O5
Mol.Wt.	: 258.2
Inv. Status	: In Stock

Acetylsalicylic Acid EP Impurity F (Aspirin Impurity F)

SZ CAT No:	: SZ-A046006
CAS No	: 1466-82-6
Mol.F.	: C18H14O7
Mol.Wt.	: 342.3
Inv. Status	: In Stock

Methyl 5-Acetylsalicylate

SZ CAT No:	: SZ-A046020
CAS No	: 16475-90-4
Mol.F.	: C10H10O4
Mol.Wt.	: 194.2
Inv. Status	: In Stock

5-Methoxy Carbonyl Salicylamide

SZ CAT No:	: SZ-A046013
CAS No	: 63874-38-4
Mol.F.	: C9H9NO4
Mol.Wt.	: 195.2
Inv. Status	: Custom Synthesis

Acetylsalicyclic Acid Impurity 2

SZ CAT No:	: SZ-A046010
CAS No	: 2708578-72-5
Mol.F.	: C16H12O6
Mol.Wt.	: 300.3
Inv. Status	: Custom Synthesis

Acetylsalicyclic Acid Impurity 4

SZ CAT No:	: SZ-A046017
CAS No	: 67127-78-0
Mol.F.	: C9H8O4
Mol.Wt.	: 180.2
Inv. Status	: Custom Synthesis

Acetylsalicyclic Acid Impurity 5

SZ CAT No:	: SZ-A046018
CAS No	: 13110-96-8
Mol.F.	: C9H8O4
Mol.Wt.	: 180.2
Inv. Status	: Custom Synthesis

Acetylsalicylic Acid Impurity 3

SZ CAT No:	: SZ-A046014
CAS No	: 18698-59-4
Mol.F.	: C11H10O5
Mol.Wt.	: 222.2
Inv. Status	: Custom Synthesis

Methyl 2-Methoxy Benzoate

SZ CAT No:	: SZ-A046015
CAS No	: 606-45-1
Mol.F.	: C9H10O3
Mol.Wt.	: 166.2
Inv. Status	: Custom Synthesis

Methyl 4-Methoxy Benzoate

SZ CAT No:	: SZ-A046016
CAS No	: 121-98-2
Mol.F.	: C9H10O3
Mol.Wt.	: 166.2
Inv. Status	: Custom Synthesis

Salicyl Sulfate Disodium Salt

SZ CAT No:	: SZ-A046012
CAS No	: 56343-01-2
Mol.F.	: C7H6O6S : 2(Na)
Mol.Wt.	: 218.2 : 2(23.0)
Inv. Status	: Custom Synthesis
Rel. CAS No	: 97-05-2 (free base)

Tri-Salicylic Acid

SZ CAT No:	: SZ-A046019
CAS No	: 85531-17-5
Mol.F.	: C21H14O7
Mol.Wt.	: 378.3
Inv. Status	: Custom Synthesis

2-Hydroxyisophthalic Acid

SZ CAT No:	: SZ-A046021
CAS No	: 606-19-9
Mol.F.	: C8H6O5
Mol.Wt.	: 182.1
Inv. Status	: Under Synthesis

Acetylsalicylic acid acyl-d-glucuronide (Aspirin acyl-d-glucuronide)

SZ CAT No:	: SZ-A046007
CAS No	: 24719-72-0
Mol.F.	: C15H16O10
Mol.Wt.	: 356.3
Inv. Status	: Under Synthesis

Aspirin-L-argininie

SZ CAT No:	: SZ-A046022
CAS No	: 37466-21-0
Mol.F.	: C9H8O4 : C6H14N4O2
Mol.Wt.	: 180.2 : 174.2
Inv. Status	: Under Synthesis

Stable Isotopes And Metabolites

Acetylsalicylic Acid-D3 (Aspirin-D3)

SZ CAT No:	: SZ-A046D02
CAS No	: 921943-73-9
Mol.F.	: C9H5D3O4
Mol.Wt.	: 183.2
Inv. Status	: In Stock

Acetylsalicylic Acid EP Impurity A-13C6

SZ CAT No:	: SZ-A046D04
CAS No	: 287399-29-5
Mol.F.	: C13C6H6O3
Mol.Wt.	: 144.1
Inv. Status	: Custom Synthesis

Salicylic Acid-d4

SZ CAT No:	: SZ-A046D03
CAS No	: 78646-17-0
Mol.F.	: C7H2D4O3
Mol.Wt.	: 142.1
Inv. Status	: Custom Synthesis

Acetylsalicylic Acid-D4 (Aspirin-D4)

SZ CAT No:	: SZ-A046D01
CAS No	: 97781-16-3
Mol.F.	: C9H4O4D4
Mol.Wt.	: 184.2
Inv. Status	: Under Synthesis

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