Chemically, it is 5-aminosalicylic acid and an anti-inflammatory drug. Mesalazine is an active metabolite of sulfasalazine which is used to treat inflammatory bowel disease. It is taken orally or as a rectal suppository. Reference standards of Mesalazine API,and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below.
Mesalazine
Catalogue No.:PA 13 23000
CAS :
Molecular Formula : C7H7NO3
Molecular Weight : 153.14
4-Aminophenol
Catalogue No.:PA 13 23010
Molecular Formula : C6H7NO
Molecular Weight : 109.13
3-Aminophenol
Catalogue No.:PA 13 23020
2-Aminophenol
Catalogue No.:PA 13 23030
3-Aminobenzoic Acid
Catalogue No.:PA 13 23040
Molecular Formula : C7H7NO2
Molecular Weight : 137.14
4-Amino-2-hydroxybenzoic Acid
Catalogue No.:PA 13 23050
3-Aminosalicylic Acid
Catalogue No.:PA 13 23060
2,5-Dihydroxybenzoic Acid
Catalogue No.:PA 13 23070
Molecular Formula : C7H6O4
Molecular Weight : 154.12
Salicylic Acid
Catalogue No.:PA 13 23080
Molecular Formula : C7H6O3
Molecular Weight : 138.12
Phenylazosalicylic Acid
Catalogue No.:PA 13 23090
Molecular Formula : C13H10N2O3
Molecular Weight : 242.23
3,5-Diamino-2-hydroxybenzoic Acid
Catalogue No.:PA 13 23100
Molecular Formula : C7H8N2O3
Molecular Weight : 168.15
Aniline hydrochloride
Catalogue No.:PA 13 23110
Molecular Formula : C6H8ClN
Molecular Weight : 129.59
2-Chlorobenzoic Acid
Catalogue No.:PA 13 23120
Molecular Formula : C7H5ClO2
Molecular Weight : 156.57
2-Chloro-5-nitrobenzoic Acid
Catalogue No.:PA 13 23130
Molecular Formula : C7H4ClNO4
Molecular Weight : 201.56
5-Nitrosalicylic Acid
Catalogue No.:PA 13 23140
Molecular Formula : C7H5NO5
Molecular Weight : 183.12
Sulfanilic Acid
Catalogue No.:PA 13 23150
Molecular Formula : C6H7NO3S
Molecular Weight : 173.19
3-(4-sulfophenyl)-5-aminosalicylic Acid
Catalogue No.:PA 13 23160
Molecular Formula : C13H11NO6S
Molecular Weight : 309.29
2-Chloro-3-nitrobenzoic Acid
Catalogue No.:PA 13 23170
3-Nitrosalicylic Acid
Catalogue No.:PA 13 23180
2-Hydroxy-5-[(2-carboxy-4-aminophenyl)amino]benzoic Acid
Catalogue No.:PA 13 23190
Molecular Formula : C14H12N2O5
Molecular Weight : 288.26
5-Amino-2-hydroxyisophthalic Acid
Catalogue No.:PA 13 23510
Molecular Formula : C8H7NO5
Molecular Weight : 197.14
5-[2-Formyl-5-(hydroxymethyl)-1H-pyrrol-1-yl]-2-hydroxybenzoic Acid
Catalogue No.:PA 13 23520
Molecular Formula : C13H11NO5
Molecular Weight : 261.23
N-Acetyl Mesalazine
Catalogue No.:PA 13 23530
Molecular Formula : C9H9NO4
Molecular Weight : 195.17
3,5-Dichlorosalicylic Acid
Catalogue No.:PA 13 23540
Molecular Formula : C7H4Cl2O3
Molecular Weight : 207.01
(E)-2-Hydroxy-5-((4-sulfinophenyl)diazenyl)benzoic Acid
Catalogue No.:PA 13 23550
Molecular Formula : C13H10N2O5S
Molecular Weight : 306.29
N-Acetyl Mesalazine-d3
Catalogue No.:PA STI 002190
Molecular Formula : C9H6D3NO4
Molecular Weight : 198.19
Catalogue No.:PA STI 002200
2-Benzyloxy-benzoic Acid-13C3 Benzyl Ester
Catalogue No.:PA STI 011670
Molecular Formula : C1513C6H18O3
Molecular Weight : 324.32
2-Benzyloxy-5-nitro-benzoic Acid-13C6 Benzyl Ester
Catalogue No.:PA STI 012040
Molecular Formula : C1513C6H17NO5
Molecular Weight : 369.32
Mesalazine-d3 Hydrochloride
Catalogue No.:PA STI 058880
Molecular Formula : C7H5D3ClNO3
Molecular Weight : 192.61
Mesalazine-d3
Catalogue No.:PA STI 058881
Molecular Formula : C7H4D3NO3
Molecular Weight : 156.15
N-Propionyl Mesalazine-d5
Catalogue No.:PA STI 075310
Molecular Formula : C10H6D5NO4
Molecular Weight : 214.23
N-Propionyl Mesalazine-d3
Catalogue No.:PA STI 075320
Molecular Formula : C10H8D3NO4
Molecular Weight : 212.22
2-((3-Carboxy-4-hydroxyphenyl)amino)-5-nitrobenzoic Acid
Catalogue No.:PAI 13 006010
Molecular Formula : C14H10N2O7
Molecular Weight : 318.24
Methyl 2-methoxy-3-methylbenzoate
Catalogue No.:PAI 13 006020
Molecular Formula : C10H12O3
Molecular Weight : 180.20
2-Methoxyisophthalic Acid
Catalogue No.:PAI 13 006030
Molecular Formula : C9H8O5
Molecular Weight : 196.16
2-Hydroxyisophthalic Acid
Catalogue No.:PAI 13 006040
Molecular Formula : C8H6O5
Molecular Weight : 182.13
2-Hydroxy-5-nitroisophthalic Acid
Catalogue No.:PAI 13 006050
Molecular Formula : C8H5NO7
Molecular Weight : 227.13
Sodium 4-Aminosalicylate Dihydrate
Catalogue No.:PA 13 23051
Molecular Formula : C7H10NNaO5
Molecular Weight : 211.15
Catalogue No.:PA IPIMP 15 15
Molecular Formula :
Molecular Weight : NA
Catalogue No.:PA IPIMP 16 15
Catalogue No.:PA IPIMP 17 15
Catalogue No.:PA IPIMP 18 15
Catalogue No.:PA IPIPRS 76 13
Mesalazine (Y0000297)
Catalogue No.:PA EPY0000297
Molecular Formula : NA
Mesalazine impurity A (Y0001563)
Catalogue No.:PA EPY0001563
Mesalazine impurity C (Y0001569)
Catalogue No.:PA EPY0001569
Mesalazine for system suitability (Y0001574)
Catalogue No.:PA EPY0001574
mesalazine (1075RB)
Catalogue No.:PA BP1075RB
N-Propionyl Mesalazine
Catalogue No.:PA 13 23590
Molecular Formula : C10H11NO4
Molecular Weight : 209.2
N-Formyl Mesalazine
Catalogue No.:PA 13 0231000
Molecular Formula : C8H7NO4
Molecular Weight : 181.15
Mesalazine N-β-D-Glucoside
Catalogue No.:PA 13 0231001
Molecular Formula : C13H17NO8
Molecular Weight : 315.28
Methyl 2-hydroxy-5-nitrobenzoate
Catalogue No.:PAI 13 006051
Molecular Weight : 197.15
Methyl 3-bromo-2-hydroxy-5-nitrobenzoate
Catalogue No.:PAI 13 006052
Molecular Formula : C8H6BrNO5
Molecular Weight : 276.04
Methyl 2-acetoxy-3-bromo-5-nitrobenzoate
Catalogue No.:PAI 13 006053
Molecular Formula : C10H8BrNO6
Molecular Weight : 318.08
2-Hydroxy-5-nitro-4'-sulfo-[1,1'-biphenyl]-3-carboxylic acid
Catalogue No.:PAI 13 006054
Molecular Formula : C13H9NO8S
Molecular Weight : 339.27
4-Bromo-N-isopropylbenzenesulfonamide
Catalogue No.:PAI 13 006055
Molecular Formula : C9H12BrNO2S
Molecular Weight : 278.16
(4-(N-Isopropylsulfamoyl)phenyl)boronic acid
Catalogue No.:PAI 13 006056
Molecular Formula : C9H14BNO4S
Molecular Weight : 243.08
3-Imino-6-oxocyclohexa-1,4-diene-1-carboxylic acid
Catalogue No.:PA 13 0231002
Molecular Formula : C7H5NO3
Molecular Weight : 151.12
Methyl 2-chloro-5-nitrobenzoate
Catalogue No.:PAI 13 006057
Molecular Formula : C8H6ClNO4
Molecular Weight : 215.59
Methyl 2-hydroxy-5-((2-(methoxycarbonyl)-4-nitrophenyl)amino)benzoate
Catalogue No.:PAI 13 006058
Molecular Formula : C16H14N2O7
Molecular Weight : 346.3
Methyl 5-amino-2-((4-hydroxy-3-(methoxycarbonyl)phenyl)amino)benzoate
Catalogue No.:PAI 13 006059
Molecular Formula : C16H16N2O5
Molecular Weight : 316.31
Isopropyl Brosylate
Catalogue No.:PAI 13 006060
Molecular Formula : C9H11BrO3S
Molecular Weight : 279.15
(4-(Isopropoxysulfonyl)phenyl)boronic Acid
Catalogue No.:PAI 13 006061
Molecular Formula : C9H13BO5S
Molecular Weight : 244.07
4-(Amino(carboxy)methyl)benzoic Acid
Catalogue No.:PA 13 0231003
2,4-Diamino-5-hydroxybenzoic Acid
Catalogue No.:PA 13 23580
2,6-Diamino-3-hydroxybenzoic Acid
Catalogue No.:PA 13 23570
3-Hydroxyanthranilic Acid
Catalogue No.:PA 13 23560
3-(4-Sulfophenyl)-5-aminosalicylic Acid Sodium Salt
Catalogue No.:PA 13 0230161
Molecular Formula : C13H11NO6S+( Na)x
Molecular Weight : 309.29+(22.99)x
N-Butyryl Mesalazine
Catalogue No.:PA 13 0231004
Molecular Formula : C11H13NO4
Molecular Weight : 223.23
5-Hydroxyanthranilic Acid
Catalogue No.:PA 13 0231005
Methyl 2-Methoxy-6-Methylbenzoate
Catalogue No.:PA 13 0231006
Molecular Weight : 180.2
Mesalazine Impurity L (IMP/02/16)
Catalogue No.:PA IMP 02 16
2-Hydroxy-5-[(2-carboxy-4-aminophenyl)amino]benzoic Acid Sodium
Catalogue No.:PA 13 0230191
Molecular Formula : C14H12N2NaO5
Molecular Weight : 311.25
4-Chloro-2-nitrophenylacetic Acid
Catalogue No.:PA 13 0231007
3-Amino-4-hydroxybenzoic Acid
Catalogue No.:PA 13 0231008
4,4'-((2-Amino-5-hydroxycyclohexa-2,5-diene-1,4-diylidene)bis(azanylylidene))diphenol
Catalogue No.:PA 13 0231009
Molecular Formula : C18H15N3O3
Molecular Weight : 321.34
2-Chloro-4-nitrobenzoic Acid
Catalogue No.:PA 13 0231010
2-Hydroxy-4-nitrobenzoic Acid
Catalogue No.:PA 13 0231011
Methyl 2-acetamido-4-methoxybenzoate
Catalogue No.:PA 13 0231012
Mesalazine (IPRSM002)
Catalogue No.:PA IPRSM002
2-Chloro-5-nitroisophthalic Acid
Catalogue No.:PA 13 0231013
Molecular Formula : C8H4ClNO6
Molecular Weight : 245.57
1,6-Dihydro-1-methyl-6-oxo-3-pyridinecarboxylic acid
Catalogue No.:PA 13 0231014
5-Amino-2-((3-carboxy-4-hydroxyphenyl)(nitroso)amino)benzoic Acid
Catalogue No.:PA 13 0231015
Molecular Formula : C14H11N3O6
Molecular Weight : 317.26
Mesalazine Impurity B (IMPA034)
Catalogue No.:PA IMPA034
2-Aminophenol (Mesalazine Impurity C) (IMPA008)
Catalogue No.:PA IMPA008
Mesalazine Impurity D (IMPM040)
Catalogue No.:PA IMPM040
Mesalazine Impurity G (IMPM041)
Catalogue No.:PA IMPM041
Mesalazine Impurity H (IMPS022)
Catalogue No.:PA IMPS022
Mesalazine Impurity K (IMPM025)
Catalogue No.:PA IMPM025
Mesalazine Impurity F (IMPM053)
Catalogue No.:PA IMPM053
2,5-Dihydroxybenzoic Acid Sodium
Catalogue No.:PA 13 0230071
Molecular Formula : C7H6NaO4
Molecular Weight : 177.11
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