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Cleanchem is a trusted provider of premium pharmaceutical reference materials, specializing in Noscapine and its associated compounds. Our catalog includes pharmacopeial and non-pharmacopeial Noscapine 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 Noscapine-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 Noscapine
CAT No: CL-NOSC-NO-01 CAS No: NA Mol Wt: 428.4 Mol F: C21H20N2O8 Inv Status: Custom Synthesis
Chemical Name:  (R)-6,7-dimethoxy-3- ((S)-4-methoxy-6-nitroso-5,6,7,8- tetrahydro-[1,3]dioxolo[4,5- g]isoquinolin-5-yl)isobenzofuran- 1(3H)-one
N-Nitroso Noscapine Impurity 1
CAT No: CL-NOSC-NO-02 CAS No: NA Mol Wt: 386.31 Mol F: C18H14N2O8 Inv Status: Custom Synthesis
Chemical Name: (R)-6,7-dihydroxy-3- ((S)-4-hydroxy-6-nitroso-5,6,7,8- tetrahydro-[1,3]dioxolo[4,5- g]isoquinolin-5-yl)isobenzofuran- 1(3H)-one
N-Nitroso Noscapine Impurity 2
CAT No: CL-NOSC-NO-03 CAS No: NA Mol Wt: 416.38 Mol F: C20H20N2O8 Inv Status: Custom Synthesis
Chemical Name: (R)-3-((S)-6,7- dihydroxy-8-methoxy-2-nitroso-1,2,3,4- tetrahydroisoquinolin-1-yl)-6,7- dimethoxyisobenzofuran-1(3H)-one
N-Nitroso Noscapine Impurity 3
CAT No: CL-NOSC-NO-04 CAS No: NA Mol Wt: 446.41 Mol F: C21H22N2O9 Inv Status: Custom Synthesis
Chemical Name: 6-((R)-hydroxy((S)- 4-methoxy-6-nitroso-5,6,7,8-tetrahydro- [1,3]dioxolo[4,5-g]isoquinolin-5- yl)methyl)-2,3-dimethoxybenzoic acid
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