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 Selegiline EP Impurity D | N-Nitroso N-Desmethyl Selegiline
N-Nitroso Selegiline EP Impurity D | N-Nitroso N-Desmethyl Selegiline
CAT No SRC-N0143153
CAS No NA
Mol.F. C12H14N2O
Mol.Wt. 202.3 g/mole
INV STATUS CUSTOM SYNTHESIS
N-Nitroso (S)-N-Desmethyl Selegiline
N-Nitroso (S)-N-Desmethyl Selegiline
CAT No SRC-N0143154
CAS No NA
Mol.F. C12H14N2O
Mol.Wt. 202.3 g/mole
INV STATUS CUSTOM SYNTHESIS
N-Nitroso Selegiline Aziridine
N-Nitroso Selegiline Aziridine
CAT No SRC-N0143155
CAS No NA
Mol.F. C9H10N2O
Mol.Wt. 162.2 g/mole
INV STATUS IN STOCK
N-Nitroso Olmesartan Medoxomil EP Impurity B
N-Nitroso Olmesartan Medoxomil EP Impurity B
CAT No SRC-N0143156
CAS No NA
Mol.F. C24H23N7O3
Mol.Wt. 457.49 g/mole
INV STATUS CUSTOM SYNTHESIS
N-Nitroso Olmesartan Medoxomil EP Impurity C
N-Nitroso Olmesartan Medoxomil EP Impurity C
CAT No SRC-N0143157
CAS No NA
Mol.F. C29H27N7O6
Mol.Wt. 569.58 g/mole
INV STATUS CUSTOM SYNTHESIS
N-Nitroso Olmesartan Medoxomil Ethyl Methyl Analog
N-Nitroso Olmesartan Medoxomil Ethyl Methyl Analog
CAT No SRC-N0143158
CAS No NA
Mol.F. C30H31N7O7
Mol.Wt. 601.62 g/mole
INV STATUS CUSTOM SYNTHESIS
N-Nitroso Olmesartan Medoxomil Impurity 3
N-Nitroso Olmesartan Medoxomil Impurity 3
CAT No SRC-N0143159
CAS No NA
Mol.F. C13H21N3O4
Mol.Wt. 283.33 g/mole
INV STATUS CUSTOM SYNTHESIS
N-Nitroso Olmesartan Impurity 1
N-Nitroso Olmesartan Impurity 1
CAT No SRC-N0143160
CAS No NA
Mol.F. C12H21N3O4
Mol.Wt. 271.32 g/mole
INV STATUS CUSTOM SYNTHESIS
N-Nitroso Omeprazole EP Impurity D
N-Nitroso Omeprazole EP Impurity D
CAT No SRC-N0143161
CAS No NA
Mol.F. C17H18N4O5S
Mol.Wt. 390.4 g/mole
INV STATUS CUSTOM SYNTHESIS
N-Nitroso (R)-Omeprazole
N-Nitroso (R)-Omeprazole
CAT No SRC-N0143162
CAS No NA
Mol.F. C16H16N4O4S
Mol.Wt. 360.4 g/mole
INV STATUS CUSTOM SYNTHESIS

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