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

Rizatriptan Nitroso Impurity 3
Rizatriptan Nitroso Impurity 3
CAT No SRC-N014151
CAS No NA
Mol.F. C9H20N2O3
Mol.Wt. 204.3
INV STATUS IN STOCK
N-Nitroso Propafenone
N-Nitroso Propafenone
CAT No SRC-N014152
CAS No 3036581-87-7
Mol.F. C21H26N2O4
Mol.Wt. 370.4 g/mol
INV STATUS IN STOCK
Vildagliptin Nitroso Impurity 4/N-Nitroso Vildagliptin Amide Impurity
Vildagliptin Nitroso Impurity 4/N-Nitroso Vildagliptin Amide Impurity
CAT No SRC-N014153
CAS No NA
Mol.F. C17H26N4O4
Mol.Wt. 350.4
INV STATUS IN STOCK
N-Nitroso Rivaroxaban Open-Ring Acid Impurity
N-Nitroso Rivaroxaban Open-Ring Acid Impurity
CAT No SRC-N014154
CAS No NA
Mol.F. C19H19ClN4O7S
Mol.Wt. 482.9
INV STATUS IN STOCK
N-Nitroso Benzocaine Impurity 1
N-Nitroso Benzocaine Impurity 1
CAT No SRC-N014155
CAS No 208176-48-1
Mol.F. C10H12N2O3
Mol.Wt. 208.2
INV STATUS IN STOCK
Aripiprazole Nitroso Impurity 1
Aripiprazole Nitroso Impurity 1
CAT No SRC-N014156
CAS No 2989508-28-1
Mol.F. C10H11Cl2N3O
Mol.Wt. 260.1
INV STATUS IN STOCK
N-Nitroso Ivabradine Amine/Ivabradine N-nitroso Impurity
N-Nitroso Ivabradine Amine/Ivabradine N-nitroso Impurity
CAT No SRC-N014157
CAS No NA
Mol.F. C12H16N2O3
Mol.Wt. 236.3
INV STATUS IN STOCK
Dabigatran Nitroso Impurity 3
Dabigatran Nitroso Impurity 3
CAT No SRC-N014158
CAS No NA
Mol.F. C10H13N3O3
Mol.Wt. 223.2
INV STATUS IN STOCK
N-Nitroso-N-Ethyl piperazine/1-Ethyl-4-nitrosopiperazine
N-Nitroso-N-Ethyl piperazine/1-Ethyl-4-nitrosopiperazine
CAT No SRC-N014159
CAS No 65504-33-8
Mol.F. C6H13N3O
Mol.Wt. 143.2
INV STATUS IN STOCK
N-Nitroso Prazosin EP Impurity D
N-Nitroso Prazosin EP Impurity D
CAT No SRC-N014160
CAS No NA
Mol.F. C9H11N3O3
Mol.Wt. 209.2
INV STATUS IN STOCK

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