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

Chloroquine Nitroso Impurity 1 / N-Nitroso Desethyl Chloroquine
Chloroquine Nitroso Impurity 1 / N-Nitroso Desethyl Chloroquine
CAT No SRC-N014403
CAS No NA
Mol.F. C16H21ClN4O
Mol.Wt. 320.8 g/mol
INV STATUS IN STOCK
N-Nitroso Vortioxetine Bromo Impurity
N-Nitroso Vortioxetine Bromo Impurity
CAT No SRC-N014404
CAS No NA
Mol.F. C18H20BrN3OS
Mol.Wt. 406.3
INV STATUS CUSTOM SYNTHESIS
N-Nitroso N-Desmethyl Doxylamine
N-Nitroso N-Desmethyl Doxylamine
CAT No SRC-N014405
CAS No NA
Mol.F. C16H19N3O2
Mol.Wt. 285.3
INV STATUS IN STOCK
N-Nitroso Desmethyl Pheniramine
N-Nitroso Desmethyl Pheniramine
CAT No SRC-N014406
CAS No NA
Mol.F. C15H17N3O
Mol.Wt. 255.31
INV STATUS IN STOCK
Linagliptin Nitroso Dimer Impurity 5
Linagliptin Nitroso Dimer Impurity 5
CAT No SRC-N014407
CAS No NA
Mol.F. C6H4BrN5O3
Mol.Wt. 274.0
INV STATUS CUSTOM SYNTHESIS
N-Nitroso Etilefrine
N-Nitroso Etilefrine
CAT No SRC-N014408
CAS No 78658-62-5
Mol.F. C10H14N2O3
Mol.Wt. 210.23
INV STATUS CUSTOM SYNTHESIS
N-Nitroso Ephedrine
N-Nitroso Ephedrine
CAT No SRC-N014409
CAS No 1850-61-9
Mol.F. C10H14N2O2
Mol.Wt. 194.2
INV STATUS CUSTOM SYNTHESIS
N-Nitroso Metamizole EP Impurity C
N-Nitroso Metamizole EP Impurity C
CAT No SRC-N014410
CAS No 73829-38-6
Mol.F. C12H14N4O2
Mol.Wt. 246.3
INV STATUS CUSTOM SYNTHESIS
N-Nitroso Naratriptan
N-Nitroso Naratriptan
CAT No SRC-N014411
CAS No 1216880-64-6
Mol.F. C17H24N4O3S
Mol.Wt. 364.5 g/mol
INV STATUS IN STOCK
Mononitroso Caffeidine
Mononitroso Caffeidine
CAT No SRC-N014412
CAS No 145438-96-6
Mol.F. C7H11N5O2
Mol.Wt. 197.2
INV STATUS CUSTOM SYNTHESIS

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