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
search icon
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

Menu

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.
download image Download catalogue

Pharmaceutical Reference Standards

N-Nitroso-Cyclohexyl analog impurity
N-Nitroso-Cyclohexyl analog impurity
CAT No SRC-N0141730
CAS No NA
Mol.F. C15H24N4O3
Mol.Wt. 308.4
INV STATUS CUSTOM SYNTHESIS
Zanubrutinib Nitroso Impurity 5
Zanubrutinib Nitroso Impurity 5
CAT No SRC-N0141731
CAS No NA
Mol.F. C24H23N7O3
Mol.Wt. 457.5
INV STATUS CUSTOM SYNTHESIS
Zanubrutinib Nitroso Impurity 6
Zanubrutinib Nitroso Impurity 6
CAT No SRC-N0141732
CAS No NA
Mol.F. C24H25N7O4
Mol.Wt. 475.5
INV STATUS CUSTOM SYNTHESIS
Zanubrutinib Nitroso Impurity 7
Zanubrutinib Nitroso Impurity 7
CAT No SRC-N0141733
CAS No NA
Mol.F. C29H32N6O4
Mol.Wt. 528.6
INV STATUS CUSTOM SYNTHESIS
N-Nitroso Quinupristin
N-Nitroso Quinupristin
CAT No SRC-N0141734
CAS No NA
Mol.F. C52H64N10O11S
Mol.Wt. 1037.2
INV STATUS CUSTOM SYNTHESIS
N-Nitroso Aldehyde of Rupatadine
N-Nitroso Aldehyde of Rupatadine
CAT No SRC-N0141735
CAS No NA
Mol.F. C26H25ClN4O2
Mol.Wt. 461.0
INV STATUS UNDER SYNTHESIS
N-Nitroso N-Despropyl Ropivacaine
N-Nitroso N-Despropyl Ropivacaine
CAT No SRC-N0141736
CAS No NA
Mol.F. C14H19N3O2
Mol.Wt. 261.3
INV STATUS CUSTOM SYNTHESIS
N-Nitroso Ropinirole EP Impurity B
N-Nitroso Ropinirole EP Impurity B
CAT No SRC-N0141737
CAS No NA
Mol.F. C16H23N3O2
Mol.Wt. 289.4
INV STATUS CUSTOM SYNTHESIS
N-Nitroso Ropinirole
N-Nitroso Ropinirole
CAT No SRC-N0141738
CAS No NA
Mol.F. C16H23N3O2
Mol.Wt. 289.4 g/mol
INV STATUS IN STOCK
N-Nitroso Rolapitant
N-Nitroso Rolapitant
CAT No SRC-N0141739
CAS No NA
Mol.F. C25H25F6N3O3
Mol.Wt. 529.5
INV STATUS CUSTOM SYNTHESIS
N1, N2-Di-Nitroso Rebamipide
N1, N2-Di-Nitroso Rebamipide
CAT No SRC-N0141740
CAS No NA
Mol.F. C19H13ClN4O6
Mol.Wt. 428.8
INV STATUS CUSTOM SYNTHESIS
N1-Nitroso Rebamipide
N1-Nitroso Rebamipide
CAT No SRC-N0141741
CAS No NA
Mol.F. C19H14ClN3O5
Mol.Wt. 399.8
INV STATUS CUSTOM SYNTHESIS
N2-Nitroso Rebamipide
N2-Nitroso Rebamipide
CAT No SRC-N0141742
CAS No NA
Mol.F. C19H14ClN3O5
Mol.Wt. 399.4
INV STATUS CUSTOM SYNTHESIS
Relebactam Nitroso Impurity 2
Relebactam Nitroso Impurity 2
CAT No SRC-N0141743
CAS No NA
Mol.F. C12H18N6O8S
Mol.Wt. 406.4
INV STATUS CUSTOM SYNTHESIS
N-Nitroso N-Desmethyl Ulipristal
N-Nitroso N-Desmethyl Ulipristal
CAT No SRC-N0141744
CAS No NA
Mol.F. C27H32N2O4
Mol.Wt. 448.6
INV STATUS CUSTOM SYNTHESIS
N-Nitroso Valaciclovir
N-Nitroso Valaciclovir
CAT No SRC-N0141745
CAS No NA
Mol.F. C13H19N7O5
Mol.Wt. 353.3
INV STATUS CUSTOM SYNTHESIS

Let’s advance your research together.

Partner with us for specialized chemical materials and synthesis services that enable pharmaceutical innovation.