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-di-n-butylamine
N-Nitroso-di-n-butylamine
CAT No SRC-N014071
CAS No 924-16-3
Mol.F. C8H18N2O
Mol.Wt. 158.3
INV STATUS IN STOCK
N-Nitrosopiperidine
N-Nitrosopiperidine
CAT No SRC-N014072
CAS No 100-75-4
Mol.F. C5H10N2O
Mol.Wt. 114.1
INV STATUS IN STOCK
Solifenacin EP Impurity A Nitroso Impurity
Solifenacin EP Impurity A Nitroso Impurity
CAT No SRC-N014073
CAS No NA
Mol.F. C15H14N2O
Mol.Wt. 238.3g/mol
INV STATUS IN STOCK
N-Nitroso Fluoxetine EP Impurity A
N-Nitroso Fluoxetine EP Impurity A
CAT No SRC-N014074
CAS No 2659259-65-9
Mol.F. C10H14N2O2
Mol.Wt. 194.2g/mol
INV STATUS IN STOCK
Brexpiprazole Nitroso Impurity 1
Brexpiprazole Nitroso Impurity 1
CAT No SRC-N014075
CAS No 2639426-95-0
Mol.F. C12H13N3OS
Mol.Wt. 247.3g/mol
INV STATUS IN STOCK
Mono-Nitroso Clonidine
Mono-Nitroso Clonidine
CAT No SRC-N014076
CAS No 148950-49-6
Mol.F. C9H8Cl2N4O
Mol.Wt. 259.1g/mol
INV STATUS IN STOCK
N-Nitroso Nortriptyline/N-Nitroso N-Desmethyl Amitriptyline ; N-Nitroso Amitriptyline EP Impurity C
N-Nitroso Nortriptyline/N-Nitroso N-Desmethyl Amitriptyline ; N-Nitroso Amitriptyline EP Impurity C
CAT No SRC-N014077
CAS No 55855-42-0
Mol.F. C19H20N2O
Mol.Wt. 292.4
INV STATUS IN STOCK
Methylnitrosamino-N,N-dimethylethylamine
Methylnitrosamino-N,N-dimethylethylamine
CAT No SRC-N014078
CAS No 23834-30-2
Mol.F. C5H13N3O
Mol.Wt. 131.2
INV STATUS IN STOCK
Diethylamine Dinitroso Impurity
Diethylamine Dinitroso Impurity
CAT No SRC-N014079
CAS No 13256-12-7
Mol.F. C4H10N4O2
Mol.Wt. 146.2
INV STATUS IN STOCK
N-Nitroso Celecoxib Impurity 3
N-Nitroso Celecoxib Impurity 3
CAT No SRC-N014080
CAS No 2860553-70-2
Mol.F. C6H8N4OS
Mol.Wt. 216.22 g/mol
INV STATUS IN STOCK

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