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 Glimepiride Impurity 5
N-Nitroso Glimepiride Impurity 5
CAT No SRC-N0142943
CAS No NA
Mol.F. C21H28N4O7S
Mol.Wt. 480.54g/mol
INV STATUS CUSTOM SYNTHESIS
N-Nitroso Glimepiride Impurity 6
N-Nitroso Glimepiride Impurity 6
CAT No SRC-N0142944
CAS No NA
Mol.F. C26H37N5O6S
Mol.Wt. 547.67g/mol
INV STATUS CUSTOM SYNTHESIS
N-Nitroso Glimepiride Impurity 8
N-Nitroso Glimepiride Impurity 8
CAT No SRC-N0142945
CAS No NA
Mol.F. C18H20N4O8S
Mol.Wt. 452.44 g/mol
INV STATUS UNDER SYNTHESIS
N-Nitroso Glimepiride Impurity 9
N-Nitroso Glimepiride Impurity 9
CAT No SRC-N0142946
CAS No NA
Mol.F. C18H18N4O10S
Mol.Wt. 482.42 g/mol
INV STATUS CUSTOM SYNTHESIS
Hydroxychloroquine Nitroso Impurity 2
Hydroxychloroquine Nitroso Impurity 2
CAT No SRC-N0142947
CAS No NA
Mol.F. C7H17N3O2
Mol.Wt. 175.2 g/mol
INV STATUS CUSTOM SYNTHESIS
Hydroxychloroquine Nitroso Impurity 3
Hydroxychloroquine Nitroso Impurity 3
CAT No SRC-N0142948
CAS No NA
Mol.F. C19H27ClN4O5S
Mol.Wt. 459 g/mol
INV STATUS CUSTOM SYNTHESIS
Hydroxychloroquine Nitroso Impurity 4
Hydroxychloroquine Nitroso Impurity 4
CAT No SRC-N0142949
CAS No NA
Mol.F. C19H27ClN4O5S
Mol.Wt. 459 g/mol
INV STATUS CUSTOM SYNTHESIS
Hydroxychloroquine Nitroso Impurity 5
Hydroxychloroquine Nitroso Impurity 5
CAT No SRC-N0142950
CAS No NA
Mol.F. C19H26ClN5O6S
Mol.Wt. 488 g/mol
INV STATUS CUSTOM SYNTHESIS
N,N'-Dinitroso Hydroxychloroquine EP Impurity D
N,N'-Dinitroso Hydroxychloroquine EP Impurity D
CAT No SRC-N0142951
CAS No NA
Mol.F. C16H20ClN5O2
Mol.Wt. 349.8 g/mol
INV STATUS CUSTOM SYNTHESIS
N-Nitroso Hydroxychloroquine EP Impurity C (Possibility 2) | N-Nitroso Desethylhydroxychloroquine
N-Nitroso Hydroxychloroquine EP Impurity C (Possibility 2) | N-Nitroso Desethylhydroxychloroquine
CAT No SRC-N0142952
CAS No NA
Mol.F. C16H21ClN4O2
Mol.Wt. 336.8 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.