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

Diprophylline
CAT No: CL-DPHN-01 CAS No: 479-18-5 Mol Wt: 254.2 Mol F: C10H14N4O4 Inv Status: Custom Synthesis
Chemical Name: 7-[(2RS)-2,3-Dihydroxypropyl]-1,3-dimethyl-3,7-dihydro-1H-purine-2,6-dione
Diprophylline EP Impurity A
CAT No: CL-DPHN-02 CAS No: 6736-40-9 Mol Wt: 154.2 Mol F: C6H10N4O Inv Status: In Stock
Chemical Name: N-Methyl-5-(methylamino)-1H-imidazole-4-carboxamide
Diprophylline EP Impurity B
CAT No: CL-DPHN-03 CAS No: 58-55-9 Mol Wt: 180.2 Mol F: C7H8N4O2 Inv Status: Custom Synthesis
Chemical Name: 1,3-Dimethyl-3,7-dihydro-1H-purine-2,6-dione
Diprophylline EP Impurity C
CAT No: CL-DPHN-04 CAS No: 519-37-9 Mol Wt: 224.2 Mol F: C9H12N4O3 Inv Status: Custom Synthesis
Chemical Name: 7-(2-Hydroxyethyl)-1,3-dimethyl-3,7-dihydro-1H-purine-2,6-dione
Diprophylline EP Impurity D
CAT No: CL-DPHN-05 CAS No: 603-00-9 Mol Wt: 238.2 Mol F: C10H14N4O3 Inv Status: Custom Synthesis
Chemical Name: 7-[(2RS)-2-hydroxypropyl]-1,3-dimethyl-3,7-dihydro-1H-purine-2,6-dione
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