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 Naratriptan Ethyl Analog
N-Nitroso Naratriptan Ethyl Analog
CAT No SRC-N0144067
CAS No NA
Mol.F. C16H21N3O
Mol.Wt. 271.4 g/mole
INV STATUS CUSTOM SYNTHESIS
N-Nitroso Naratriptan Pyridinium Chloride Impurity 2
N-Nitroso Naratriptan Pyridinium Chloride Impurity 2
CAT No SRC-N0144068
CAS No NA
Mol.F. C17H19N4O3S : Cl
Mol.Wt. 359.4 : 35.5 g/mole
INV STATUS CUSTOM SYNTHESIS
N-Nitroso Naratriptan USP Related Compound A
N-Nitroso Naratriptan USP Related Compound A
CAT No SRC-N0144069
CAS No NA
Mol.F. C14H17N3O
Mol.Wt. 243.3 g/mole
INV STATUS CUSTOM SYNTHESIS
N-Nitroso Naratriptan USP Related Compound B
N-Nitroso Naratriptan USP Related Compound B
CAT No SRC-N0144070
CAS No NA
Mol.F. C17H22N4O3S
Mol.Wt. 362.4 g/mole
INV STATUS CUSTOM SYNTHESIS
N-Nitroso Naratriptan Pyridinium Chloride
N-Nitroso Naratriptan Pyridinium Chloride
CAT No SRC-N0144071
CAS No NA
Mol.F. C17H19N4O3S : Cl
Mol.Wt. 359.4 : 35.5 g/mole
INV STATUS CUSTOM SYNTHESIS
N-Nitroso N-Sulfamoylethyl Naratriptan Amide
N-Nitroso N-Sulfamoylethyl Naratriptan Amide
CAT No SRC-N0144072
CAS No NA
Mol.F. C20H31N5O5S2
Mol.Wt. 485.6 g/mole
INV STATUS CUSTOM SYNTHESIS
N-Nitroso-N-Sulfamoylethyl Naratriptan Pyridinium
N-Nitroso-N-Sulfamoylethyl Naratriptan Pyridinium
CAT No SRC-N0144073
CAS No NA
Mol.F. C20H26N5O5S2 : Cl
Mol.Wt. 480.6 : 35.5 g/mole
INV STATUS CUSTOM SYNTHESIS
N-Nitroso Naratriptan N-Oxide Impurity
N-Nitroso Naratriptan N-Oxide Impurity
CAT No SRC-N0144074
CAS No NA
Mol.F. C17H24N4O4S
Mol.Wt. 380.46 g/mole
INV STATUS CUSTOM SYNTHESIS
N-Nitroso Naratriptan 2-Carboxylic Acid
N-Nitroso Naratriptan 2-Carboxylic Acid
CAT No SRC-N0144075
CAS No NA
Mol.F. C18H24N4O5S
Mol.Wt. 408.47g/mole
INV STATUS CUSTOM SYNTHESIS
N-Nitroso Naratriptan Impurity 6
N-Nitroso Naratriptan Impurity 6
CAT No SRC-N0144076
CAS No NA
Mol.F. C20H26N5O5S2
Mol.Wt. 480.58 g/mole
INV STATUS CUSTOM SYNTHESIS
N-Nitroso Naratriptan Impurity 7
N-Nitroso Naratriptan Impurity 7
CAT No SRC-N0144077
CAS No NA
Mol.F. C20H30N4O5S2
Mol.Wt. 470.60g/mole
INV STATUS CUSTOM SYNTHESIS
N-Nitroso Naratriptan Impurity 8 
N-Nitroso Naratriptan Impurity 8 
CAT No SRC-N0144078
CAS No NA
Mol.F. C20H31N5O5S2
Mol.Wt. 485.62 /mole
INV STATUS CUSTOM SYNTHESIS
N-Nitroso Naratriptan Impurity 9
N-Nitroso Naratriptan Impurity 9
CAT No SRC-N0144079
CAS No NA
Mol.F. C17H22N4O3S
Mol.Wt. 362.45 g/mole
INV STATUS CUSTOM SYNTHESIS
N-Nitroso Naratriptan Impurity 10
N-Nitroso Naratriptan Impurity 10
CAT No SRC-N0144080
CAS No NA
Mol.F. C16H22N4O3S
Mol.Wt. 350.44g/mole
INV STATUS CUSTOM SYNTHESIS
N-Nitroso Naratriptan Impurity 11
N-Nitroso Naratriptan Impurity 11
CAT No SRC-N0144081
CAS No NA
Mol.F. C19H30N4O5S
Mol.Wt. 426.53 g/mole
INV STATUS CUSTOM SYNTHESIS
6-Nitro-N-nitrosoadrenaline
6-Nitro-N-nitrosoadrenaline
CAT No SRC-N0144082
CAS No NA
Mol.F. C9H11N3O6
Mol.Wt. 257.2 g/mole
INV STATUS UNDER SYNTHESIS

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