We are thrilled to announce that the highly anticipated N-Nitroso impurities of Amide and Indole have now been successfully developed e.g. N-Nitroso Orlistat , N-Nitroso Ropinirole , N-Nitroso Caprolactam ,N-Nitroso Gabapentin EP Impurity A , N-Nitroso Rizatriptan , N-Nitroso Zolmitriptan, N-Nitroso Naratriptan , N-Nitroso Tadalafil , N-Nitroso Eletriptan etc. are ready Stock
search icon
We are thrilled to announce that the highly anticipated N-Nitroso impurities of Amide and Indole have now been successfully developed e.g. N-Nitroso Orlistat , N-Nitroso Ropinirole , N-Nitroso Caprolactam ,N-Nitroso Gabapentin EP Impurity A , N-Nitroso Rizatriptan , N-Nitroso Zolmitriptan, N-Nitroso Naratriptan , N-Nitroso Tadalafil , N-Nitroso Eletriptan etc. are ready Stock

Menu

Nitroso

Nitrosamines are a group of chemical compounds that contain the nitroso functional group (NO) attached to an amine group (-NH). They can form in various ways, including through industrial processes, combustion, and certain chemical reactions, particularly involving nitrites and secondary amines. Nitrosamines are of concern because Many nitrosamines (N-Nitrosamines) are potent genotoxins; some have been classified as possible human carcinogens, although the degree of risk can vary depending on factors such as the amount of exposure and individual susceptibility. Synchemia Research Chemical is dedicated to thoroughly investigating the formation of nitroso impurities in APIs, including those related to the manufacturing processes. This approach indicates a proactive stance toward quality control and regulatory compliance. By exploring all potential sources of nitroso impurities, including those arising from the production processes themselves, Synchemia Research Chemical demonstrates a commitment to ensuring the purity, safety, and efficacy of their pharmaceutical products. Nitrosoamines, including N-Des-methyl Nitroso impurities, are important in pharmaceutical research and development due to their potential impact on drug safety and efficacy. Understanding and controlling the presence of these impurities is crucial for ensuring the quality and safety of pharmaceutical products. Can N-Nitrosamines exist in two different stable forms? N-nitrosamines substituted with two different alkyl groups can exist in two different stable forms distinguishable by several analytical methods. The two rotamers may differ in their overall dipole moment and therefore may posses different chemical and physical properties. Why do I see two peaks when analyzing N-Nitrosamines by HPLC or GC? HPLC and GC)analysis of N-nitrosamines may show two rotamers of the N-nitrosamine as two separate peaks. Whether two peaks are observed depends on the structure of the N-nitrosamine (i.e., symmetric vs. asymmetric) as well as the separation power of the analytical method.
We are the Synchemia Research Chemical specializes in manufacturing and exporting various nitrosoamine compounds, particularly focusing on N-Des-methyl Nitroso impurities of various APIs and nitroso compounds of direct APIs that contain secondary amines. By specializing in the synthesis and export of these compounds, Synchemia Research likely plays a significant role in supporting the pharmaceutical industry's efforts to meet regulatory requirements and ensure the highest standards of quality and safety in drug manufacturing.
download image Download catalogue

Pharmaceutical Reference Standards

N-Nitroso Asenapine Impurity 6
N-Nitroso Asenapine Impurity 6
CAT No SRC-N0142402
CAS No NA
Mol.F. C16H14N2O2
Mol.Wt. 266.3 g/mol
INV STATUS CUSTOM SYNTHESIS
N-Nitroso Asenapine Impurity 7
N-Nitroso Asenapine Impurity 7
CAT No SRC-N0142403
CAS No NA
Mol.F. C16H15N3O2
Mol.Wt. 281.32 g/mol
INV STATUS CUSTOM SYNTHESIS
N-Nitroso Asenapine Impurity 11
N-Nitroso Asenapine Impurity 11
CAT No SRC-N0142404
CAS No NA
Mol.F. C4H8N2O3
Mol.Wt. 132.12 g/mol
INV STATUS CUSTOM SYNTHESIS
N-Nitroso Asenapine Impurity 13
N-Nitroso Asenapine Impurity 13
CAT No SRC-N0142405
CAS No NA
Mol.F. C17H15ClN2O4
Mol.Wt. 346.77 g/mol
INV STATUS CUSTOM SYNTHESIS
N-Nitroso Asenapine Impurity 8
N-Nitroso Asenapine Impurity 8
CAT No SRC-N0142406
CAS No NA
Mol.F. C16H13ClN2O2
Mol.Wt. 300.74 g/mol
INV STATUS CUSTOM SYNTHESIS
N-Nitroso Asenapine Impurity 10
N-Nitroso Asenapine Impurity 10
CAT No SRC-N0142407
CAS No NA
Mol.F. C8H13N3OS
Mol.Wt. 199.27 g/mol
INV STATUS CUSTOM SYNTHESIS
N-Nitroso Astemizole
N-Nitroso Astemizole
CAT No SRC-N0142408
CAS No NA
Mol.F. C28H30FN5O2
Mol.Wt. 487.58 g/mol
INV STATUS CUSTOM SYNTHESIS
N-Nitroso -O-Desmethyl Astemizole
N-Nitroso -O-Desmethyl Astemizole
CAT No SRC-N0142409
CAS No NA
Mol.F. C29H33FN5O2
Mol.Wt. 521.61 g/mol
INV STATUS CUSTOM SYNTHESIS
Atazanavir Nitroso Impurity 1
Atazanavir Nitroso Impurity 1
CAT No SRC-N0142410
CAS No NA
Mol.F. C8H13N3OS
Mol.Wt. 199.3 g/mol
INV STATUS CUSTOM SYNTHESIS
N-Nitroso Atazanavir
N-Nitroso Atazanavir
CAT No SRC-N0142411
CAS No NA
Mol.F. C38H51N7O8
Mol.Wt. 733.87 g/mol
INV STATUS CUSTOM SYNTHESIS

Let’s advance your research together.

Partner with us for specialized chemical materials and synthesis services that enable pharmaceutical innovation.