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

Darifenacin Nitroso Impurity 1
Darifenacin Nitroso Impurity 1
CAT No SRC-N0141156
CAS No NA
Mol.F. C18H19N3O2
Mol.Wt. 309.4 g/mole
INV STATUS IN STOCK
N-Nitroso Etofenamate EP Impurity C
N-Nitroso Etofenamate EP Impurity C
CAT No SRC-N0141157
CAS No NA
Mol.F. C13H9F3N2O
Mol.Wt. 266.2
INV STATUS CUSTOM SYNTHESIS
N-Nitroso Iminostilbene
N-Nitroso Iminostilbene
CAT No SRC-N0141158
CAS No 38652-29-8
Mol.F. C14H10N2O
Mol.Wt. 222.2
INV STATUS UNDER SYNTHESIS
N-Nitroso Tasimelteon Impurity C
N-Nitroso Tasimelteon Impurity C
CAT No SRC-N0141159
CAS No NA
Mol.F. C24H26N2O3
Mol.Wt. 390.48
INV STATUS UNDER SYNTHESIS
N-Nitroso 2-Trifloromethylphenothiazine
N-Nitroso 2-Trifloromethylphenothiazine
CAT No SRC-N0141160
CAS No NA
Mol.F. C13H7F3N2OS
Mol.Wt. 296.3
INV STATUS CUSTOM SYNTHESIS
N-Nitroso α,α'-Hydrazodiisobutyronitrile
N-Nitroso α,α'-Hydrazodiisobutyronitrile
CAT No SRC-N0141161
CAS No NA
Mol.F. C8H13N5O
Mol.Wt. 195.2
INV STATUS CUSTOM SYNTHESIS
Dinitroso α,α'-Hydrazodiisobutyronitrile
Dinitroso α,α'-Hydrazodiisobutyronitrile
CAT No SRC-N0141162
CAS No NA
Mol.F. C8H12N6O2
Mol.Wt. 224.2
INV STATUS CUSTOM SYNTHESIS
N-Nitroso De-Alkylated Ivacaftor
N-Nitroso De-Alkylated Ivacaftor
CAT No SRC-N0141163
CAS No NA
Mol.F. C20H19N3O4
Mol.Wt. 365.4
INV STATUS CUSTOM SYNTHESIS
N-Nitroso Acetone Semicarbazone
N-Nitroso Acetone Semicarbazone
CAT No SRC-N0141164
CAS No NA
Mol.F. C4H8N4O2
Mol.Wt. 144.1
INV STATUS CUSTOM SYNTHESIS
N-Nitroso Nitrofurantoin
N-Nitroso Nitrofurantoin
CAT No SRC-N0141165
CAS No NA
Mol.F. C8H5N5O6
Mol.Wt. 267.2
INV STATUS CUSTOM SYNTHESIS

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