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

Brexpiprazole Nitroso Impurity 2
Brexpiprazole Nitroso Impurity 2
CAT No SRC-N014131
CAS No NA
Mol.F. C17H22N4O3
Mol.Wt. 330.4g/mol
INV STATUS IN STOCK
N-Nitroso Phenylephrine Impurity
N-Nitroso Phenylephrine Impurity
CAT No SRC-N014132
CAS No 78658-64-7
Mol.F. C9H12N2O3
Mol.Wt. 196.2g/mol
INV STATUS IN STOCK
N-Nitroso Dicyclohexylamine
N-Nitroso Dicyclohexylamine
CAT No SRC-N014133
CAS No 947-92-2
Mol.F. C12H22N2O
Mol.Wt. 210.3g/mol
INV STATUS IN STOCK
Bilastine Nitroso Impurity 1
Bilastine Nitroso Impurity 1
CAT No SRC-N014134
CAS No 2731008-04-9
Mol.F. C12H14N4O
Mol.Wt. 230.3
INV STATUS IN STOCK
Atazanavir Nitroso Impurity 1
Atazanavir Nitroso Impurity 1
CAT No SRC-N014135
CAS No NA
Mol.F. C8H13N3OS
Mol.Wt. 199.3
INV STATUS IN STOCK
N-Nitrosoiminodiacetic Acid/ N-Nitroso Glycine EP Impurity A
N-Nitrosoiminodiacetic Acid/ N-Nitroso Glycine EP Impurity A
CAT No SRC-N014136
CAS No 25081-31-6
Mol.F. C4H6N2O5
Mol.Wt. 162.1
INV STATUS IN STOCK
Dinitroso Ethambutol
Dinitroso Ethambutol
CAT No SRC-N014137
CAS No 2792161-95-4
Mol.F. C10H22N4O4
Mol.Wt. 262.3
INV STATUS IN STOCK
N-Nitroso Trimetazidine
N-Nitroso Trimetazidine
CAT No SRC-N014138
CAS No 92432-50-3 
Mol.F. C14H21N3O4
Mol.Wt. 295.3
INV STATUS IN STOCK
Mononitroso Ethambutol
Mononitroso Ethambutol
CAT No SRC-N014139
CAS No NA
Mol.F. C10H23N3O3
Mol.Wt. 233.3
INV STATUS IN STOCK
N-Nitroso Decyl Aminoquat
N-Nitroso Decyl Aminoquat
CAT No SRC-N014140
CAS No NA
Mol.F. C19H42N3IO
Mol.Wt. 328.56:126.9
INV STATUS IN STOCK

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