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 Ertapenem
N-Nitroso Ertapenem
CAT No SRC-N014243
CAS No NA
Mol.F. C22H24N4O8S
Mol.Wt. 504.51
INV STATUS IN STOCK
Telmisartan Nitroso Impurity 4
Telmisartan Nitroso Impurity 4
CAT No SRC-N014244
CAS No NA
Mol.F. C21H18N4O4
Mol.Wt. 390.40
INV STATUS IN STOCK
N-Nitroso Vortioxetine Impurity 2
 N-Nitroso Vortioxetine Impurity 2
CAT No SRC-N014204
CAS No NA
Mol.F. C18H20BrN3OS
Mol.Wt. 406.3
INV STATUS IN STOCK
N-Nitroso Almotriptan EP Impurity A/N-Nitroso Desmethyl Almotriptan Impurity
N-Nitroso Almotriptan EP Impurity A/N-Nitroso Desmethyl Almotriptan Impurity
CAT No SRC-N014245
CAS No NA
Mol.F. C16H22N4O3S
Mol.Wt. 350.4
INV STATUS IN STOCK
Ethyl 4-Nitroso-1-Piperazinecarboxylate | N-Nitroso Ethyl Isonipecotate
Ethyl 4-Nitroso-1-Piperazinecarboxylate | N-Nitroso Ethyl Isonipecotate
CAT No SRC-N014246
CAS No 13256-15-0
Mol.F. C7H13N3O3
Mol.Wt. 187.2
INV STATUS IN STOCK
N-Nitroso Ramipril EP Impurity F
N-Nitroso Ramipril EP Impurity F
CAT No SRC-N014247
CAS No NA
Mol.F. C15H20N2O5
Mol.Wt. 308.3
INV STATUS IN STOCK
N-Nitroso-Desmethyl-Minocycline-1
N-Nitroso-Desmethyl-Minocycline-1
CAT No SRC-N014248
CAS No NA
Mol.F. C22H24N4O8
Mol.Wt. 472.4 g/mol
INV STATUS CUSTOM SYNTHESIS
N-Nitroso Losartan Impurity/Nitroso Losartan
N-Nitroso Losartan Impurity/Nitroso Losartan
CAT No SRC-N014249
CAS No NA
Mol.F. C22H22ClN7O2
Mol.Wt. 451.9
INV STATUS IN STOCK
N-nitroso Dorzolamide
N-nitroso Dorzolamide
CAT No SRC-N014250
CAS No NA
Mol.F. C10H15N3O5S3
Mol.Wt. 353.4
INV STATUS IN STOCK
N-Nitroso Betaxolol
N-Nitroso Betaxolol
CAT No SRC-N014251
CAS No NA
Mol.F. C18H28N2O4
Mol.Wt. 336.4
INV STATUS CUSTOM SYNTHESIS

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