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

15N-Nitroso-Ethambutol
15N-Nitroso-Ethambutol
CAT No SRC-N0143809
CAS No NA
Mol.F. C10H23N215NO3
Mol.Wt. 234.3 g/mole
INV STATUS CUSTOM SYNTHESIS
N-Nitroso Fluoxetine D3
N-Nitroso Fluoxetine D3
CAT No SRC-N0143810
CAS No NA
Mol.F. C17H14D3F3N2O2
Mol.Wt. 341.3 g/mole
INV STATUS CUSTOM SYNTHESIS
N-Nitroso Fluoxetine D5
N-Nitroso Fluoxetine D5
CAT No SRC-N0143811
CAS No NA
Mol.F. C17H12D5F3N2O2
Mol.Wt. 343.4 g/mole
INV STATUS CUSTOM SYNTHESIS
Frovatriptan Nitroso Impurity 2 D3
Frovatriptan Nitroso Impurity 2 D3
CAT No SRC-N0143812
CAS No NA
Mol.F. C14H13D3N4O2
Mol.Wt. 275.3 g/mole
INV STATUS CUSTOM SYNTHESIS
Frovatriptan Nitroso Impurity 1 D3
Frovatriptan Nitroso Impurity 1 D3
CAT No SRC-N0143813
CAS No NA
Mol.F. C14H13D3N4O2
Mol.Wt. 275.3 g/mole
INV STATUS CUSTOM SYNTHESIS
Fosinopril Nitroso lmpurity 1
Fosinopril Nitroso lmpurity 1
CAT No SRC-N0143814
CAS No NA
Mol.F. C11H18N2O3
Mol.Wt. 226.3 g/mole
INV STATUS CUSTOM SYNTHESIS
N-Nitroso Methyl Flecainide Impurity
N-Nitroso Methyl Flecainide Impurity
CAT No SRC-N0143815
CAS No NA
Mol.F. C18H21F6N3O4
Mol.Wt. 457.4 g/mole
INV STATUS CUSTOM SYNTHESIS
N-Nitroso Gatifloxacin Impurity 2
N-Nitroso Gatifloxacin Impurity 2
CAT No SRC-N0143816
CAS No NA
Mol.F. C19H21FN4O5
Mol.Wt. 404.4 g/mole
INV STATUS UNDER SYNTHESIS
Gatifloxacin Nitroso Impurity 1
Gatifloxacin Nitroso Impurity 1
CAT No SRC-N0143817
CAS No NA
Mol.F. C11H6F2N2O5
Mol.Wt. 284.2 g/mole
INV STATUS CUSTOM SYNTHESIS
Gatifloxacin Nitroso Impurity 1
Gatifloxacin Nitroso Impurity 1
CAT No SRC-N0143817
CAS No NA
Mol.F. C11H6F2N2O5
Mol.Wt. 284.2 g/mole
INV STATUS CUSTOM SYNTHESIS
Gatifloxacin Nitroso Impurity 2
Gatifloxacin Nitroso Impurity 2
CAT No SRC-N0143818
CAS No NA
Mol.F. C10H4F2N2O5
Mol.Wt. 270.1 g/mole
INV STATUS CUSTOM SYNTHESIS
Nitroso Quinoline Ester Gatifloxacin
Nitroso Quinoline Ester Gatifloxacin
CAT No SRC-N0143819
CAS No NA
Mol.F. C13H10F2N2O5
Mol.Wt. 312.2 g/mole
INV STATUS CUSTOM SYNTHESIS
N-Nitroso Gentamicin C1A
N-Nitroso Gentamicin C1A
CAT No SRC-N0143820
CAS No NA
Mol.F. C19H38N6O8
Mol.Wt. 478.5g/mole
INV STATUS CUSTOM SYNTHESIS
N-Nitroso Gentamicin C2
N-Nitroso Gentamicin C2
CAT No SRC-N0143821
CAS No NA
Mol.F. C20H40N6O8
Mol.Wt. 492.6 g/mole
INV STATUS CUSTOM SYNTHESIS
N-Nitroso Gentamicin C2A
N-Nitroso Gentamicin C2A
CAT No SRC-N0143822
CAS No NA
Mol.F. C20H40N6O8
Mol.Wt. 492.6 g/mole
INV STATUS CUSTOM SYNTHESIS
N-Nitroso Gentamicin C2b (Possibility 1)
N-Nitroso Gentamicin C2b (Possibility 1)
CAT No SRC-N0143823
CAS No NA
Mol.F. C20H40N6O8
Mol.Wt. 492.6 g/mole
INV STATUS CUSTOM SYNTHESIS

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