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
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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

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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.
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Pharmaceutical Reference Standards

N-Nitroso Sumatriptan EP Impurity A
N-Nitroso Sumatriptan EP Impurity A
CAT No SRC-N014836
CAS No NA
Mol.F. C27H36N6O3S
Mol.Wt. 524.7
INV STATUS CUSTOM SYNTHESIS
N-Nitroso Itraconazole Impurity 1
N-Nitroso Itraconazole Impurity 1
CAT No SRC-N014837
CAS No 75051-59-1
Mol.F. C11H15N3O2
Mol.Wt. 221.3
INV STATUS IN STOCK
N-Nitroso Sumatriptan EP Impurity D
N-Nitroso Sumatriptan EP Impurity D
CAT No SRC-N014838
CAS No NA
Mol.F. C14H20N4O4S
Mol.Wt. 340.4
INV STATUS CUSTOM SYNTHESIS
N-Nitroso Sumatriptan EP Impurity E
N-Nitroso Sumatriptan EP Impurity E
CAT No SRC-N014839
CAS No NA
Mol.F. C12H16N4O3S
Mol.Wt. 296.3
INV STATUS CUSTOM SYNTHESIS
N-Nitroso Rivaroxaban Dioxazolidine Impurity
N-Nitroso Rivaroxaban Dioxazolidine Impurity
CAT No SRC-N014840
CAS No NA
Mol.F. C28H30N6O9
Mol.Wt. 594.6
INV STATUS CUSTOM SYNTHESIS
Rivaroxaban Amino Acid Phthalimide Nitroso Impurity
Rivaroxaban Amino Acid Phthalimide Nitroso Impurity
CAT No SRC-N014841
CAS No NA
Mol.F. C22H20N4O8
Mol.Wt. 468.4
INV STATUS CUSTOM SYNTHESIS
Rivaroxaban Nitroso Impurity 13
Rivaroxaban Nitroso Impurity 13
CAT No SRC-N014842
CAS No NA
Mol.F. C19H17ClN4O6S
Mol.Wt. 464.9
INV STATUS CUSTOM SYNTHESIS
Rivaroxaban Nitroso Impurity 14
Rivaroxaban Nitroso Impurity 14
CAT No SRC-N014843
CAS No NA
Mol.F. C12H16N4O5
Mol.Wt. 296.3
INV STATUS CUSTOM SYNTHESIS
Rivaroxaban Nitroso Impurity 15
Rivaroxaban Nitroso Impurity 15
CAT No SRC-N014844
CAS No NA
Mol.F. C13H16ClN3O4
Mol.Wt. 313.7
INV STATUS CUSTOM SYNTHESIS
Rivaroxaban Nitroso Impurity 16
Rivaroxaban Nitroso Impurity 16
CAT No SRC-N014845
CAS No NA
Mol.F. C20H22ClN5O6S
Mol.Wt. 495.9
INV STATUS CUSTOM SYNTHESIS

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