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

Nitroso Valsartan-II
Nitroso Valsartan-II
CAT No SRC-N014946
CAS No NA
Mol.F. C45H40N6O3
Mol.Wt. 712.9
INV STATUS CUSTOM SYNTHESIS
N-Nitroso Valsartan Impurity 2
N-Nitroso Valsartan Impurity 2
CAT No SRC-N014947
CAS No NA
Mol.F. C39H36N6O3
Mol.Wt. 636.8
INV STATUS CUSTOM SYNTHESIS
Valsartan Nitroso Impurity 1
Valsartan Nitroso Impurity 1
CAT No SRC-N014948
CAS No NA
Mol.F. C20H21N3O3
Mol.Wt. 351.4
INV STATUS CUSTOM SYNTHESIS
N-Nitroso Valsartan
N-Nitroso Valsartan
CAT No SRC-N014949
CAS No NA
Mol.F. C24H28N6O4
Mol.Wt. 464.5
INV STATUS CUSTOM SYNTHESIS
N-Nitroso Valsartan Impurity 2
N-Nitroso Valsartan Impurity 2
CAT No SRC-N014950
CAS No NA
Mol.F. C24H28N6O4
Mol.Wt. 464.5
INV STATUS CUSTOM SYNTHESIS
Valsartan Desvaleryl Dinitroso Impurity
Valsartan Desvaleryl Dinitroso Impurity
CAT No SRC-N014951
CAS No NA
Mol.F. C19H19N7O4
Mol.Wt. 409.4
INV STATUS CUSTOM SYNTHESIS
Valsartan Desvaleryl Nitroso Impurity
Valsartan Desvaleryl Nitroso Impurity
CAT No SRC-N014952
CAS No NA
Mol.F. C19H20N6O3
Mol.Wt. 380.4
INV STATUS CUSTOM SYNTHESIS
Nitroso Irbesartan
Nitroso Irbesartan
CAT No SRC-N014953
CAS No 2768787-11-5
Mol.F. C25H27N7O2
Mol.Wt. 475.5
INV STATUS CUSTOM SYNTHESIS
Nitroso Irbesartan 1
Nitroso Irbesartan 1
CAT No SRC-N014954
CAS No NA
Mol.F. C25H27N7O2
Mol.Wt. 457.5
INV STATUS CUSTOM SYNTHESIS
Irbesartan Nitroso Impurity 1
Irbesartan Nitroso Impurity 1
CAT No SRC-N014955
CAS No NA
Mol.F. C11H17N3O2
Mol.Wt. 223.3
INV STATUS CUSTOM SYNTHESIS

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