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 Valaciclovir Impurity P
N-Nitroso Valaciclovir Impurity P
CAT No SRC-N0141746
CAS No NA
Mol.F. C27H39N13O9
Mol.Wt. 689.7
INV STATUS CUSTOM SYNTHESIS
N-Nitroso Valaciclovir Impurity H
N-Nitroso Valaciclovir Impurity H
CAT No SRC-N0141747
CAS No NA
Mol.F. C12H16N6O5
Mol.Wt. 324.3
INV STATUS CUSTOM SYNTHESIS
Valbenazine Nitroso Impurity 1
Valbenazine Nitroso Impurity 1
CAT No SRC-N0141748
CAS No NA
Mol.F. C24H39N3O6
Mol.Wt. 465.6
INV STATUS CUSTOM SYNTHESIS
Valbenazine Nitroso Impurity 2
Valbenazine Nitroso Impurity 2
CAT No SRC-N0141749
CAS No NA
Mol.F. C25H41N3O6
Mol.Wt. 479.6
INV STATUS CUSTOM SYNTHESIS
N-Nitroso Valganciclovir EP Impurity N
N-Nitroso Valganciclovir EP Impurity N
CAT No SRC-N0141750
CAS No NA
Mol.F. C15H23N7O6
Mol.Wt. 397.4
INV STATUS CUSTOM SYNTHESIS
Valbenazine Nitroso Impurity 3
Valbenazine Nitroso Impurity 3
CAT No SRC-N0141751
CAS No NA
Mol.F. C24H39N3O6
Mol.Wt. 465.6
INV STATUS CUSTOM SYNTHESIS
Valganciclovir N3,N3'-Methylene Dimer Nitroso Impurity
Valganciclovir N3,N3'-Methylene Dimer Nitroso Impurity
CAT No SRC-N0141752
CAS No NA
Mol.F. C29H43N13O11
Mol.Wt. 749.7
INV STATUS CUSTOM SYNTHESIS
N-Nitroso Vancomycin
N-Nitroso Vancomycin
CAT No SRC-N0141753
CAS No 155386-25-7
Mol.F. C66H74Cl2N10O25
Mol.Wt. 1478.3
INV STATUS CUSTOM SYNTHESIS
N-Nitroso N-Desmethyl Vandetanib
N-Nitroso N-Desmethyl Vandetanib
CAT No SRC-N0141754
CAS No NA
Mol.F. C21H21BrFN5O3
Mol.Wt. 490.3
INV STATUS CUSTOM SYNTHESIS
N-Nitroso Safinamide Acid
N-Nitroso Safinamide Acid
CAT No SRC-N0141755
CAS No NA
Mol.F. C17H17FN2O4
Mol.Wt. 332.3
INV STATUS IN STOCK
N-Nitroso Safinamide Impurity 1
N-Nitroso Safinamide Impurity 1
CAT No SRC-N0141756
CAS No NA
Mol.F. C24H23F2N3O3
Mol.Wt. 439.5
INV STATUS CUSTOM SYNTHESIS
N-nitroso Safinamide R-Isomer Impurity
N-nitroso Safinamide R-Isomer Impurity
CAT No SRC-N0141757
CAS No NA
Mol.F. C17H18FN3O3
Mol.Wt. 331.3
INV STATUS CUSTOM SYNTHESIS
Safinamide Nitroso Impurity 1
Safinamide Nitroso Impurity 1
CAT No SRC-N0141758
CAS No NA
Mol.F. C23H21F2N3O3
Mol.Wt. 425.4
INV STATUS CUSTOM SYNTHESIS
4- Fluoro Safinamide N-Nitroso Impurity
4- Fluoro Safinamide N-Nitroso Impurity
CAT No SRC-N0141759
CAS No NA
Mol.F. C17H18FN3O3
Mol.Wt. 331.3
INV STATUS IN STOCK
N-Nitroso Safinamide Impurity 2
N-Nitroso Safinamide Impurity 2
CAT No SRC-N0141760
CAS No NA
Mol.F. C18H19FN2O4
Mol.Wt. 346.4
INV STATUS IN STOCK
N-Nitroso Safinamide Impurity 3
N-Nitroso Safinamide Impurity 3
CAT No SRC-N0141761
CAS No NA
Mol.F. C17H18FN3O3
Mol.Wt. 331.3
INV STATUS IN STOCK

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