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

Brimonidine Nitroso impurity 1
Brimonidine Nitroso impurity 1
CAT No SRC-N014252
CAS No NA
Mol.F. C11H8BrN7O2
Mol.Wt. 350.13 g/mol
INV STATUS CUSTOM SYNTHESIS
varenicline Nitroso Impurity 3
varenicline Nitroso Impurity 3
CAT No SRC-N014253
CAS No 2803960-64-5
Mol.F. C11H14N4O
Mol.Wt. 218.3 g/mole
INV STATUS IN STOCK
N-Nitroso Bumetanide Impurity
N-Nitroso Bumetanide Impurity
CAT No SRC-N014254
CAS No 2490432-02-3
Mol.F. C17H19N3O6S
Mol.Wt. 393.4
INV STATUS IN STOCK
varenicline Nitroso Impurity 5
varenicline Nitroso Impurity 5
CAT No SRC-N014255
CAS No NA
Mol.F. C11H12N2O
Mol.Wt. 188.2
INV STATUS IN STOCK
Brinzolamide Nitroso Impurity
Brinzolamide Nitroso Impurity
CAT No SRC-N014256
CAS No NA
Mol.F. C12H20N4O6S3
Mol.Wt. 412.5
INV STATUS IN STOCK
Desipramine Nitroso/ N-Nitroso Desipramine
Desipramine Nitroso/ N-Nitroso Desipramine
CAT No SRC-N014257
CAS No 57164-17-7
Mol.F. C18H21N3O
Mol.Wt. 295.39
INV STATUS IN STOCK
Darifenacin Cyano Pyrrolidine Nitroso Impurity
Darifenacin Cyano Pyrrolidine Nitroso Impurity
CAT No SRC-N014258
CAS No NA
Mol.F. C18H17N3O
Mol.Wt. 291.4g/mol
INV STATUS IN STOCK
Elagolix Nitroso
Elagolix Nitroso
CAT No SRC-N014259
CAS No NA
Mol.F. C32H29F5N4O6
Mol.Wt. 660.59 g/mol
INV STATUS IN STOCK
N-Nitroso Enalaprilat
N-Nitroso Enalaprilat
CAT No SRC-N014260
CAS No NA
Mol.F. C18H23N3O6
Mol.Wt. 377.39 g/mol
INV STATUS CUSTOM SYNTHESIS
N-Nitroso Flecainide | Flecainide Nitroso
N-Nitroso Flecainide | Flecainide Nitroso
CAT No SRC-N014261
CAS No 2901109-58-6
Mol.F. C17H19F6N3O4
Mol.Wt. 443.3 g/mol
INV STATUS IN STOCK

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