Impurity Reference Standard - Products

Acetylsalicylic Acid Impurity A (Aspirin Impurity A)

CAT No: CL-ASPR-01 CAS No: 99-96-7 Mol Wt: 138.1 Mol F: C7H6O3 Inv Status: In Stock

Chemical Name: Butyl Parahydroxybenzoate EP Impurity A ; p-Salicylic Acid ; 4-hydroxybenzoic acid

Acetylsalicylic Acid Impurity B (Aspirin Impurity B)

CAT No: CL-ASPR-02 CAS No: 636-46-4 Mol Wt: 182.1 Mol F: C8H6O5 Inv Status: In Stock

Chemical Name: 4-Hydroxyisophthalic Acid; 4-Hydroxy-1,3-benzenedicarboxylic Acid; 4-Hydroxy-m-phthalic Acid; Eupirina; NSC 2445; USP Salicylic Acid Related Compound B

Acetylsalicylic Acid Impurity C (Aspirin Impurity C)

CAT No: CL-ASPR-03 CAS No: 69-72-7 Mol Wt: 138.1 Mol F: C7H6O3 Inv Status: In Stock

Chemical Name: Salicylic Acid; 2-Hydroxybenzoic Acid; 2-Carboxyphenol; 2-Hydroxybenzenecarboxylic Acid; 2-Hydroxybenzoic Acid; o-Carboxyphenol; o-Hydroxybenzoic Acid; Rutranex; Saligel; Salonil; Salvona Nanosal; Stri-Dex; Trans-Ver-Sal; Verrugon

Acetylsalicylic Acid Impurity D (Aspirin Impurity D)

CAT No: CL-ASPR-04 CAS No: 530-75-6 Mol Wt: 300.3 Mol F: C16H12O6 Inv Status: Custom Synthesis

Chemical Name: Acetylsalicylsalicylic Acid; 2-(Acetyloxy)benzoic Acid 2-Carboxyphenyl Ester; Acesalum; Diplosal Acetate; Diplosalacetat; Salicylacetylsalicylic Acid; Aspirin Impurity D

Acetylsalicylic Acid Impurity E (Aspirin Impurity E)

CAT No: CL-ASPR-05 CAS No: 552-94-3 Mol Wt: 258.2 Mol F: C14H10O5 Inv Status: Custom Synthesis

Chemical Name: Salsalate; Aspirin Impurity E, 2-Hydroxybenzoic Acid 2-Carboxyphenyl Ester; Salicylic Acid Salicylate; 2-Hydroxybenzoic Acid 2-Carboxyphenyl Ester; Diacesal; Diplosal; Disalcid; Disalgesic; Disalicylic Acid; Disalyl; Mono-Gesic; NSC 49171; Nobacid; Salflex; Salical; Salicyl Salicylate; Salicyloxysalicylic Acid; Salicyloylsalicylic Acid; Salicylsalicylic Acid; Salina; Salsalate; Salysal; Sasapirin; Sasapyrine; Sasapyrinum; o-Salicylsalicylic Acid

Acetylsalicylic Acid Impurity F (Aspirin Impurity F)

CAT No: CL-ASPR-06 CAS No: 1466-82-6 Mol Wt: 342.3 Mol F: C18H14O7 Inv Status: In Stock

Chemical Name: Acetylsalicylic Anhydride; Aspirin Impurity F, 2-(Acetyloxy)benzoic Acid 1,1??nhydride; Salicylic Acid Acetate Anhydride; 2-Acetoxybenzoic Anhydride; Aspirin anhydride; Contraflu; NSC 63848; NSC 80056; Pircan; Vigal; Acetylsalicylic Acid Impurity D

Acetylsalicylic Acid Acyl-D-Glucuronide (Aspirin Acyl-D-Glucuronide)

CAT No: CL-ASPR-07 CAS No: 24719-72-0 Mol Wt: 356.3 Mol F: C15H16O10 Inv Status: Custom Synthesis

Chemical Name: (2S,3S,4S,5R,6S)-6-((2-acetoxybenzoyl)oxy)-3,4,5-trihydroxytetrahydro-2H-pyran-2-carboxylic acid

Acetylsalicylic Acid (Aspirin)

CAT No: CL-ASPR-08 CAS No: 50-78-2 Mol Wt: 180.16 Mol F: C9H8O4 Inv Status: In Stock

Chemical Name: Acetyl Salicylic Acid

Methyl 5-Acetylsalicylate

CAT No: CL-ASPR-09 CAS No: 16475-90-4 Mol Wt: 194.2 Mol F: C10H10O4 Inv Status: Custom Synthesis

Chemical Name: Methyl 5-acetyl-2-hydroxybenzoate

5-Methoxy Carbonyl Salicylamide

CAT No: CL-ASPR-10 CAS No: 63874-38-4 Mol Wt: 195.2 Mol F: C9H9NO4 Inv Status: Custom Synthesis

Chemical Name: Methyl 3-carbamoyl-4-hydroxybenzoate

Methyl 2-Methoxy Benzoate

CAT No: CL-ASPR-11 CAS No: 606-45-1 Mol Wt: 166.2 Mol F: C9H10O3 Inv Status: Custom Synthesis

Chemical Name: Methyl 2-methoxybenzoate

Methyl 4-Methoxy Benzoate

CAT No: CL-ASPR-12 CAS No: 121-98-2 Mol Wt: 166.2 Mol F: C9H10O3 Inv Status: Custom Synthesis

Chemical Name: Methyl 4-methoxybenzoate

Salicyl Sulfate Disodium Salt

CAT No: CL-ASPR-13 CAS No: 56343-01-2 Mol Wt: 218.2 : 2(23.0) Mol F: C7H6O6S : 2(Na) Inv Status: Custom Synthesis

Chemical Name: 2-Hydroxy-5-sulfobenzoic acid, disodium salt

Tri-Salicylic Acid

CAT No: CL-ASPR-14 CAS No: 85531-17-5 Mol Wt: 378.3 Mol F: C21H14O7 Inv Status: Custom Synthesis

Chemical Name: 2-((2-((2-Hydroxybenzoyl)oxy)benzoyl)oxy)benzoic acid

Aspirin-L-arginine

CAT No: CL-ASPR-15 CAS No: 37466-21-0 Mol Wt: 180.2 : 174.2 Mol F: C9H8O4 : C6H14N4O2 Inv Status: Custom Synthesis

Chemical Name: L-arginine compound with 2-acetoxybenzoic acid

Acetylsalicyclic Acid Impurity 2

CAT No: CL-ASPR-16 CAS No: 2708578-72-5 Mol Wt: 300.3 Mol F: C16H12O6 Inv Status: Custom Synthesis

Chemical Name: 2-Acetoxybenzoic 2-hydroxybenzoic anhydride

Acetylsalicyclic Acid Impurity 3

CAT No: CL-ASPR-17 CAS No: 18698-59-4 Mol Wt: 222.2 Mol F: C11H10O5 Inv Status: Custom Synthesis

Chemical Name: Acetic 2-acetoxybenzoic anhydride

Acetylsalicyclic Acid Impurity 4

CAT No: CL-ASPR-18 CAS No: 67127-78-0 Mol Wt: 180.2 Mol F: C9H8O4 Inv Status: Custom Synthesis

Chemical Name: 3-Acetyl-2-hydroxybenzoic acid

Acetylsalicyclic Acid Impurity 5

CAT No: CL-ASPR-19 CAS No: 13110-96-8 Mol Wt: 180.2 Mol F: C9H8O4 Inv Status: Custom Synthesis

Chemical Name: 5-Acetyl-2-hydroxybenzoic acid

2-Hydroxyisophthalic Acid

CAT No: CL-ASPR-20 CAS No: 606-19-9 Mol Wt: 182.1 Mol F: C8H6O5 Inv Status: Custom Synthesis

Chemical Name: 2-Hydroxyisophthalic Acid

Acetylsalicylic Acid-D3 (Aspirin-D3)

CAT No: CL-ASPR-21 CAS No: 921943-73-9 Mol Wt: 183.2 Mol F: C9H5D3O4 Inv Status: Custom Synthesis

Chemical Name: 3-(Acetoxy-d3)benzoic acid

Acetylsalicylic Acid EP Impurity A-13C6

CAT No: CL-ASPR-22 CAS No: 287399-29-5 Mol Wt: 144.1 Mol F: C13C6H6O3 Inv Status: Custom Synthesis

Chemical Name: 4-Hydroxybenzoic-1,2,3,4,5,6-13C6 acid

Salicylic Acid D4

CAT No: CL-ASPR-23 CAS No: 78646-17-0 Mol Wt: 142.1 Mol F: C7H2D4O3 Inv Status: Custom Synthesis

Chemical Name: 2-Hydroxybenzoic-3,4,5,6-d4 acid

Acetylsalicylic Acid-D4 (Aspirin-D4)

CAT No: CL-ASPR-24 CAS No: 97781-16-3 Mol Wt: 184.2 Mol F: C9H4O4D4 Inv Status: Custom Synthesis

Chemical Name: 2-Acetoxybenzoic-3,4,5,6-d4 Acid

Type:Impurity Reference Standard

API NAME:Aspirin

Total Products: 24

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