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-2,2,6,6-tetramethylpiperidin-4-ol
N-Nitroso-2,2,6,6-tetramethylpiperidin-4-ol
CAT No SRC-N0144083
CAS No 55556-90-6
Mol.F. C9H18N2O2
Mol.Wt. 186.3 g/mole
INV STATUS UNDER SYNTHESIS
Nitrosamines Impurity 96
Nitrosamines Impurity 96
CAT No SRC-N0144084
CAS No NA
Mol.F. C8H16N4O2
Mol.Wt. 200.2 g/mole
INV STATUS CUSTOM SYNTHESIS
N-Nitroso 4-Methoxy Lornoxicam
N-Nitroso 4-Methoxy Lornoxicam
CAT No SRC-N0144085
CAS No NA
Mol.F. C14H11ClN4O5S2
Mol.Wt. 414.84 g/mole
INV STATUS CUSTOM SYNTHESIS
N-Nitroso 5-Hydroxy Lornoxicam
N-Nitroso 5-Hydroxy Lornoxicam
CAT No SRC-N0144086
CAS No NA
Mol.F. C13H9ClN4O6S2
Mol.Wt. 416.81g/mole
INV STATUS CUSTOM SYNTHESIS
N-Nitroso Osimertinib 3-Hydroxy Impurity
N-Nitroso Osimertinib 3-Hydroxy Impurity
CAT No SRC-N0144087
CAS No NA
Mol.F. C28H34N8O4
Mol.Wt. 546.6 g/mole
INV STATUS CUSTOM SYNTHESIS
N-Nitroso Osimertinib Aminomethoxy Impurity
N-Nitroso Osimertinib Aminomethoxy Impurity
CAT No SRC-N0144088
CAS No NA
Mol.F. C25H30N8O2
Mol.Wt. 474.6 g/mole
INV STATUS CUSTOM SYNTHESIS
N-Nitroso Osimertinib Chloro Impurity
N-Nitroso Osimertinib Chloro Impurity
CAT No SRC-N0144089
CAS No NA
Mol.F. C28H33ClN8O3
Mol.Wt. 565.1 g/mole
INV STATUS CUSTOM SYNTHESIS
N-Nitroso Osimertinib N-Oxide
N-Nitroso Osimertinib N-Oxide
CAT No SRC-N0144090
CAS No NA
Mol.F. C28H32N8O4
Mol.Wt. 544.6 g/mole
INV STATUS CUSTOM SYNTHESIS
Osimertinib Nitroso Impurity 2
Osimertinib Nitroso Impurity 2
CAT No SRC-N0144091
CAS No NA
Mol.F. C25H28N8O4
Mol.Wt. 504.6 g/mole
INV STATUS CUSTOM SYNTHESIS
Osimertinib Nitroso Impurity 3
Osimertinib Nitroso Impurity 3
CAT No SRC-N0144092
CAS No NA
Mol.F. C20H15FN6O4
Mol.Wt. 422.4 g/mole
INV STATUS CUSTOM SYNTHESIS
Osimertinib Nitroso Impurity 4
Osimertinib Nitroso Impurity 4
CAT No SRC-N0144093
CAS No NA
Mol.F. C24H28N8O2
Mol.Wt. 460.5 g/mole
INV STATUS CUSTOM SYNTHESIS
Osimertinib Nitroso Impurity 5
Osimertinib Nitroso Impurity 5
CAT No SRC-N0144094
CAS No NA
Mol.F. C24H28N8O2
Mol.Wt. 460.5 g/mole
INV STATUS CUSTOM SYNTHESIS
Osimertinib Nitroso Impurity 6
Osimertinib Nitroso Impurity 6
CAT No SRC-N0144095
CAS No NA
Mol.F. C12H7ClN4O
Mol.Wt. 258.7 g/mole
INV STATUS CUSTOM SYNTHESIS
Osimertinib Nitroso Impurity 7
Osimertinib Nitroso Impurity 7
CAT No SRC-N0144096
CAS No NA
Mol.F. C19H13FN6O4
Mol.Wt. 408.3 g/mole
INV STATUS CUSTOM SYNTHESIS
Osimertinib Nitroso Impurity 8
Osimertinib Nitroso Impurity 8
CAT No SRC-N0144097
CAS No NA
Mol.F. C24H26N8O4
Mol.Wt. 490.5 g/mole
INV STATUS CUSTOM SYNTHESIS
Osimertinib Nitroso Impurity 9
Osimertinib Nitroso Impurity 9
CAT No SRC-N0144098
CAS No NA
Mol.F. C24H26N8O4
Mol.Wt. 490.5 g/mole
INV STATUS CUSTOM SYNTHESIS

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