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Cleanchem is a trusted provider of premium pharmaceutical reference materials, specializing in Granisetron and its associated compounds. Our catalog includes pharmacopeial and non-pharmacopeial Granisetron impurities, metabolites, nitrosamine derivatives (N-NO compounds), and stable isotope-labeled products. These reference standards play a critical role in pharmaceutical R&D, supporting activities such as product formulation, ANDA and DMF submissions, quality assurance, analytical method development, and stability assessments.
All Granisetron-related substances undergo comprehensive characterization and are delivered with complete Certificates of Analysis and supporting analytical documentation to ensure regulatory adherence. Upon request, we can offer EP/USP traceable standards. Our products are routinely re-evaluated to maintain consistent quality and performance.

Granisetron
CAT No: CL-GNS-01 CAS No: 109889-09-0 Mol Wt: 312.4 Mol F: C18H24N4O Inv Status: Custom Synthesis
Chemical Name: 1-Methyl-N-[(3-endo)-9-methyl-9-azabicyclo[3.3.1]non-3-yl]-1H-indazole-3-carboxamide
7-Hydroxy Granisetron
CAT No: CL-GNS-02 CAS No: 133841-15-3 Mol Wt: 328.4 Mol F: C18H24N4O2 Inv Status: Custom Synthesis
Chemical Name: 7-Hydroxy-1-methyl-N-[(3-endo)-9-methyl-9-azabicyclo[3.3.1]non-3-yl]-1H-indazole-3-carboxamide Hydrochloride
Granisetron EP Impurity A
CAT No: CL-GNS-03 CAS No: 127472-42-8 Mol Wt: 312.4 Mol F: C18H24N4O Inv Status: Custom Synthesis
Chemical Name: 2-Methyl-N-[(1R,3r,5S)-9-methyl-9-azabicyclo[3.3.1]non-3-yl]-2H-indazole-3-carboxamide
Granisetron EP Impurity B
CAT No: CL-GNS-04 CAS No: 107007-95-4 Mol Wt: 298.4 Mol F: C17H22N4O Inv Status: Custom Synthesis
Chemical Name: N-[(1R,3r,5S)-9-Methyl-9-azabicyclo[3.3.1]non-3-yl]-1H-indazole-3-carboxamide
Granisetron EP Impurity C
CAT No: CL-GNS-05 CAS No: 160177-67-3 Mol Wt: 298.4 Mol F: C17H22N4O Inv Status: In Stock
Chemical Name: N-[(1R,3r,5S)-9-Azabicyclo[3.3.1]non-3-yl]-1-methyl-1H-indazole-3-carboxamide ; 9
Granisetron EP Impurity D
CAT No: CL-GNS-06 CAS No: 50890-83-0 Mol Wt: 176.2 Mol F: C9H8N2O2 Inv Status: Custom Synthesis
Chemical Name: 1-Methyl-1H-indazole-3-carboxylic acid
Granisetron EP Impurity E
CAT No: CL-GNS-07 CAS No: 76272-56-5 Mol Wt: 154.3 Mol F: C9H18N2 Inv Status: In Stock
Chemical Name: (1R,3r,5S)-9-methyl-9-azabicyclo[3.3.1]nonan-3-amine diacetate (As per EP) ; (1R,3r,5S)-9-methyl-9-azabicyclo[3.3.1]nonan-3-amine diacetate
Granisetron EP Impurity F
CAT No: CL-GNS-08 CAS No: 1364914-39-5 Mol Wt: 312.4 Mol F: C18H24N4O Inv Status: Custom Synthesis
Chemical Name: 1-Methyl-N-[(1R,3s,5S)-9-methyl-9-azabicyclo[3.3.1]non-3-yl]-1H-indazole-3-carboxamide
Granisetron EP Impurity G
CAT No: CL-GNS-09 CAS No: 34252-44-3 Mol Wt: 176.2 Mol F: C9H8N2O2 Inv Status: Custom Synthesis
Chemical Name: 2-Methyl-2H-indazole-3-carboxylic acid
Granisetron EP Impurity H
CAT No: CL-GNS-10 CAS No: 4498-67-3 Mol Wt: 162.2 Mol F: C8H6N2O2 Inv Status: Custom Synthesis
Chemical Name: 1H-Indazole-3-carboxylic acid
Granisetron EP Impurity I
CAT No: CL-GNS-11 CAS No: 1363173-34-5 Mol Wt: 334.3 Mol F: C18H4N4O3 Inv Status: Custom Synthesis
Chemical Name: 1-methyl-1H-indazole-3-carboxylic anhydride
Granisetron Impurity 1
CAT No:  CL-GNS-13 CAS No: 6164-67-6 Mol Wt: 168.2 Mol F: C9H16N2O Inv Status: Custom Synthesis
Chemical Name: 9-Methyl-9-azabicyclo[3.3.1]nonan-3-one oxime
Granisetron Impurity 4
CAT No:  CL-GNS-14 CAS No: 106649-02-9 Mol Wt: 194.6 Mol F: C9H7ClN2O Inv Status: Custom Synthesis
Chemical Name: 1-Methyl-1H-indazole-3-carbonyl chloride
Granisetron Impurity 5
CAT No:  CL-GNS-15 CAS No: 2973-50-4 Mol Wt: 132.2 Mol F: C8H8N2 Inv Status: Custom Synthesis
Chemical Name: 2-(2-Aminophenyl)acetonitrile
Granisetron D3
CAT No:  CL-GNS-16 CAS No: 1224925-76-1 Mol Wt: 315.4 Mol F: C18H21D3N4O Inv Status: Custom Synthesis
Chemical Name: 1-(Methyl-d3)-N-((1R,3r,5S)-9-methyl-9-azabicyclo[3.3.1]nonan-3-yl)-1H-indazole-3-carboxamide
Granisetron EP Impurity E (Acetate salt)
CAT No: CL-GNS-17 CAS No: 2724762-78-9 Mol Wt: 154.3 : 60.1 Mol F: C9H18N2 : C2H4O2 Inv Status: Custom Synthesis
Chemical Name: (1R,3r,5S)-9-methyl-9-azabicyclo[3.3.1]nonan-3-amine acetate (As per EP) ; (1R,3r,5S)-9-methyl-9-azabicyclo[3.3.1]nonan-3-amine acetate (as per USP)
Granisetron Hydrochloride
CAT No: CL-GNS-18 CAS No: 107007-99-8 Mol Wt: 312.4 : 36.5 Mol F: C18H24N4O : HCl Inv Status: Custom Synthesis
Chemical Name: 1-Methyl-N-((1R,3r,5S)-9-methyl-9-azabicyclo[3.3.1]nonan-3-yl)-1H-indazole-3-carboxamide hydrochloride
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