Nitrosamines & NDSRI - Products

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Custom Synthesis

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

CAT No: CL-ZPC-NO-01 CAS No: NA Mol Wt: 403.78 Mol F: C16H14ClN7O4 Inv Status: In Stock

Chemical Name: 6-(5-chloropyridin-2-yl)-7-oxo-6,7-dihydro-5H-pyrrolo[3,4-b]pyrazin-5-yl 4-nitrosopiperazine-1-carboxylate

N-Nitroso Zopiclone Impurity 1

CAT No: CL-ZPC-NO-02 CAS No: NA Mol Wt: 369.34 Mol F: C16H15N7O4 Inv Status: Custom Synthesis

Chemical Name: 7-oxo-6-(pyridin-2-yl)-6,7-dihydro-5H-pyrrolo[3,4-b]pyrazin-5-yl 4-nitrosopiperazine-1-carboxylate

N-Nitroso Zopiclone Impurity 2

CAT No: CL-ZPC-NO-03 CAS No: NA Mol Wt: 171.58 Mol F: C6H6ClN3O Inv Status: Custom Synthesis

Chemical Name: N-(5-chloropyridin-2-yl)-N-methylnitrous amide

N-Nitroso Zopiclone Impurity 3

CAT No: CL-ZPC-NO-04 CAS No: NA Mol Wt: 263.64 Mol F: C10H6ClN5O2 Inv Status: Custom Synthesis

Chemical Name: N-(5-chloropyridin-2-yl)-N-nitrosopyrazine-2-carboxamide

N-Nitroso Zopiclone Impurity 4

CAT No: CL-ZPC-NO-05 CAS No: NA Mol Wt: 293.67 Mol F: C11H8ClN5O3 Inv Status: Custom Synthesis

Chemical Name: N-(5-chloropyridin-2-yl)-3-(hydroxymethyl)-N-nitrosopyrazine-2-carboxamide

N-Nitroso Zopiclone Impurity 5

CAT No: CL-ZPC-NO-06 CAS No: NA Mol Wt: 241.3 Mol F: C10H19N5O2 Inv Status: Custom Synthesis

Chemical Name: (4-methylpiperazin-1-yl)(4-nitrosopiperazin-1-yl)methanone

N-Nitroso Zopiclone Impurity 6

CAT No: CL-ZPC-NO-07 CAS No: NA Mol Wt: 256.27 Mol F: C9H16N6O3 Inv Status: Custom Synthesis

Chemical Name: Bis(4-nitrosopiperazin-1-yl)methanone

N-Nitroso Zopiclone Impurity 7

CAT No: CL-ZPC-NO-08 CAS No: NA Mol Wt: 438.23 Mol F: C16H13Cl2N7O4 Inv Status: Custom Synthesis

Chemical Name: 6-(3,5-dichloropyridin-2-yl)-7-oxo-6,7-dihydro-5H-pyrrolo[3,4-b]pyrazin-5-yl 4-nitrosopiperazine-1-carboxylate

N-Nitroso Zopiclone Impurity 8

CAT No: CL-ZPC-NO-09 CAS No: NA Mol Wt: 511.54 Mol F: C23H29N9O5 Inv Status: Custom Synthesis

Chemical Name: 7-((4-methylpiperazine-1-carbonyl)oxy)-6-(5-methylpyridin-2-yl)-6,7-dihydro-5H-pyrrolo[3,4-b]pyrazin-5-yl 4-nitrosopiperazine-1-carboxylate

N-Nitroso Zopiclone Impurity 9

CAT No: CL-ZPC-NO-10 CAS No: NA Mol Wt: 526.51 Mol F: C22H26N10O6 Inv Status: Custom Synthesis

Chemical Name: 6-(5-methylpyridin-2-yl)-6,7-dihydro-5H-pyrrolo[3,4-b]pyrazine-5,7-diyl bis(4-nitrosopiperazine-1-carboxylate)

N-Nitroso Zopiclone Impurity 10

CAT No: CL-ZPC-NO-11 CAS No: NA Mol Wt: 359.77 Mol F: C15H14ClN7O2 Inv Status: Custom Synthesis

Chemical Name: 6-(5-chloropyridin-2-yl)-7-(4-nitrosopiperazin-1-yl)-6,7-dihydro-5H-pyrrolo[3,4-b]pyrazin-5-one

N-Nitroso Zopiclone Impurity 11

CAT No: CL-ZPC-NO-12 CAS No: NA Mol Wt: 405.8 Mol F: C16H16ClN7O4 Inv Status: Custom Synthesis

Chemical Name: (3-((5-chloropyridin-2-yl)carbamoyl)pyrazin-2-yl)methyl 4-nitrosopiperazine-1-carboxylate

Type:Nitrosamines & NDSRI

Total Products: 12

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