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Cleanchem is a trusted provider of premium pharmaceutical reference materials, specializing in Albendazole and its associated compounds. Our catalog includes pharmacopeial and non-pharmacopeial Albendazole 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 Albendazole-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.

N-Nitroso Albendazole
CAT No: CL-ABZ-NO-01 CAS No: NA Mol Wt: 294.33 Mol F: C12H14N4O3S Inv Status: Custom Synthesis
Chemical Name: Methyl (1-nitroso-5-(propylthio)-1H-benzo[d]imidazol-2-yl)carbamate
N-Nitroso Albendazole Impurity A
CAT No: CL-ABZ-NO-02 CAS No: NA Mol Wt: 236.29 Mol F: C10H12N4OS Inv Status: Custom Synthesis
Chemical Name: 1-nitroso-5-(propylthio)-1H-benzo[d]imidazol-2-amine
N-Nitroso Albendazole Impurity B
CAT No: CL-ABZ-NO-03 CAS No: NA Mol Wt: 310.33 Mol F: C12H14N4O4S Inv Status: Custom Synthesis
Chemical Name: Methyl (3-methyl-1-nitroso-5-(propylsulfinyl)-2,3-dihydro-1H-benzo[d]imidazol-2-yl)carbamate
N-Nitroso Albendazole Impurity C
CAT No: CL-ABZ-NO-04 CAS No: NA Mol Wt: 326.33 Mol F: C12H14N4O5S Inv Status: Custom Synthesis
Chemical Name: Methyl (1-nitroso-5-(propylsulfinyl)-1H-benzo[d]imidazol-2-yl)carbamate
N-Nitroso Albendazole Impurity D
CAT No: CL-ABZ-NO-05 CAS No: NA Mol Wt: 268.29 Mol F: C10H12N4O3S Inv Status: Custom Synthesis
Chemical Name: 1-Nitroso-5-(propylsulfonyl)-1H-benzo[d]imidazol-2-amine
N-Nitroso Albendazole Impurity E
CAT No: CL-ABZ-NO-06 CAS No: NA Mol Wt: 220.19 Mol F: C9H8N4O3 Inv Status: Custom Synthesis
Chemical Name: Methyl (1-nitroso-1H-benzo[d]imidazol-2-yl)carbamate
N-Nitroso Albendazole Impurity F
CAT No: CL-ABZ-NO-07 CAS No: NA Mol Wt: 266.28 Mol F: C10H10N4O3S Inv Status: Custom Synthesis
Chemical Name: Methyl (5-(methylthio)-1-nitroso-1H-benzo[d]imidazol-2-yl)carbamate
N-Nitroso Albendazole Impurity G
CAT No: CL-ABZ-NO-08 CAS No: NA Mol Wt: 254.63 Mol F: C9H7ClN4O3 Inv Status: Custom Synthesis
Chemical Name: Methyl (5-chloro-1-nitroso-1H-benzo[d]imidazol-2-yl)carbamate
N-Nitroso Albendazole Impurity H
CAT No: CL-ABZ-NO-09 CAS No: NA Mol Wt: 350.39 Mol F: C15H18N4O4S Inv Status: Custom Synthesis
Chemical Name: Methyl (5-((2-methyl-4-oxopentan-2-yl)thio)-1-nitroso-1H-benzo[d]imidazol-2-yl)carbamate
N-Nitroso Albendazole Impurity I
CAT No: CL-ABZ-NO-10 CAS No: NA Mol Wt: 278.27 Mol F: C12H14N4O4 Inv Status: Custom Synthesis
Chemical Name: Methyl (1-nitroso-5-propoxy-1H-benzo[d]imidazol-2-yl)carbamate
N-Nitroso Albendazole Impurity J
CAT No: CL-ABZ-NO-11 CAS No: NA Mol Wt: 289.07 Mol F: C9H6Cl2N4O3 Inv Status: Custom Synthesis
Chemical Name: Methyl (5,7-dichloro-1-nitroso-1H-benzo[d]imidazol-2-yl)carbamate
N-Nitroso Albendazole Impurity K
CAT No: CL-ABZ-NO-12 CAS No: NA Mol Wt: 308.36 Mol F: C13H16N4O3S Inv Status: Custom Synthesis
Chemical Name: Methyl (5-(butylthio)-1-nitroso-1H-benzo[d]imidazol-2-yl)carbamate
N-Nitroso Albendazole Impurity L
CAT No: CL-ABZ-NO-13 CAS No: NA Mol Wt: 294.33 Mol F: C12H14N4O3S Inv Status: Custom Synthesis
Chemical Name: Methyl (5-(isopropylthio)-1-nitroso-1H-benzo[d]imidazol-2-yl)carbamate
N-Nitroso Albendazole Impurity 1
CAT No: CL-ABZ-NO-14 CAS No: NA Mol Wt: 308.36 Mol F: C13H16N4O3S Inv Status: Custom Synthesis
Chemical Name: Ethyl (1-nitroso-5-(propylthio)-1H-benzo[d]imidazol-2-yl)carbamate
N-Nitroso Albendazole Impurity 2
CAT No: CL-ABZ-NO-15 CAS No: NA Mol Wt: 252.25 Mol F: C9H8N4O3S Inv Status: Custom Synthesis
Chemical Name: Methyl (5-mercapto-1-nitroso-1H-benzo[d]imidazol-2-yl)carbamate
N-Nitroso Albendazole Impurity 3
CAT No: CL-ABZ-NO-16 CAS No: NA Mol Wt: 221.28 Mol F: C10H11N3OS Inv Status: Custom Synthesis
Chemical Name: 1-Nitroso-5-(propylthio)-1H-benzo[d]imidazole
N-Nitroso Albendazole Impurity 4
CAT No: CL-ABZ-NO-17 CAS No: NA Mol Wt: 318.69 Mol F: C9H7ClN4O5S Inv Status: Custom Synthesis
Chemical Name: Methyl (5-(chlorosulfonyl)-1-nitroso-1H-benzo[d]imidazol-2-yl)carbamate
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