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 Fedratinib Impurity 5
N-Nitroso Fedratinib Impurity 5
CAT No SRC-N014976
CAS No NA
Mol.F. C33H46N9O5S
Mol.Wt. 680.8
INV STATUS CUSTOM SYNTHESIS
14C-N-Nitroso Meglumine
14C-N-Nitroso Meglumine
CAT No SRC-N014977
CAS No NA
Mol.F. C614CH16N2O6
Mol.Wt. 226.2
INV STATUS CUSTOM SYNTHESIS
Vildagliptin Nitroso Impurity 5
Vildagliptin Nitroso Impurity 5
CAT No SRC-N014978
CAS No NA
Mol.F. C17H24N4O3
Mol.Wt. 332.4
INV STATUS CUSTOM SYNTHESIS
Carvedilol Nitroso Impurity 2
Carvedilol Nitroso Impurity 2
CAT No SRC-N014979
CAS No NA
Mol.F. C24H25N3O5
Mol.Wt. 435.5 g/mol
INV STATUS UNDER SYNTHESIS
DiNitroso-Carvedilol
DiNitroso-Carvedilol
CAT No SRC-N014980
CAS No NA
Mol.F. C24H24N4O6
Mol.Wt. 464.5
INV STATUS CUSTOM SYNTHESIS
N-Nitroso Caspofungin
N-Nitroso Caspofungin
CAT No SRC-N014981
CAS No NA
Mol.F. C52H87N11O16
Mol.Wt. 1122.3
INV STATUS CUSTOM SYNTHESIS
N-Nitroso Carvedilol Carbazole Impurity
N-Nitroso Carvedilol Carbazole Impurity
CAT No SRC-N014982
CAS No 2788-23-0
Mol.F. C12H8N2O
Mol.Wt. 196.2
INV STATUS IN STOCK
Nitroso-4-Hydroxy Carbazole Carvedilol
Nitroso-4-Hydroxy Carbazole Carvedilol
CAT No SRC-N014983
CAS No NA
Mol.F. C12H8N2O2
Mol.Wt. 212.2
INV STATUS CUSTOM SYNTHESIS
N-Nitroso Duloxetine EP Impurity A
N-Nitroso Duloxetine EP Impurity A
CAT No SRC-N014984
CAS No NA
Mol.F. C18H18N2O2S
Mol.Wt. 326.4
INV STATUS IN STOCK
N-Nitroso Duloxetine EP Impurity C
N-Nitroso Duloxetine EP Impurity C
CAT No SRC-N014985
CAS No NA
Mol.F. C18H18N2O2S
Mol.Wt. 326.4
INV STATUS IN STOCK

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