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

Trandolapril Nitroso Impurity 1/N-Nitroso Trandolapril
Trandolapril Nitroso Impurity 1/N-Nitroso Trandolapril
CAT No SRC-N014141
CAS No NA
Mol.F. C24H33N3O6
Mol.Wt. 459.5
INV STATUS IN STOCK
Frovatriptan Nitroso Impurity 2
Frovatriptan Nitroso Impurity 2
CAT No SRC-N014142
CAS No NA
Mol.F. C14H16N4O2
Mol.Wt. 272.3
INV STATUS IN STOCK
N-Nitroso Desmethyl Chlorpromazine
N-Nitroso Desmethyl Chlorpromazine
CAT No SRC-N014143
CAS No 55855-44-2
Mol.F. C16H16ClN3OS
Mol.Wt. 333.8
INV STATUS IN STOCK
Venetoclax Nitroso Impurity 4
Venetoclax Nitroso Impurity 4
CAT No SRC-N014144
CAS No NA
Mol.F. C19H26ClN3O
Mol.Wt. 347.9
INV STATUS IN STOCK
N-Nitroso Deferasirox EP Impurity F | N-Nitroso 4-Hydrazinobenzoic Acid
N-Nitroso Deferasirox EP Impurity F | N-Nitroso 4-Hydrazinobenzoic Acid
CAT No SRC-N014145
CAS No NA
Mol.F. C7H7N3O3
Mol.Wt. 181.15
INV STATUS IN STOCK
N-Nitroso-Desmethyl Itopride
N-Nitroso-Desmethyl Itopride
CAT No SRC-N014146
CAS No 2763751-66-0
Mol.F. C19H23N3O5
Mol.Wt. 373.4
INV STATUS IN STOCK
N-Nitroso Terbinafine EP Impurity A
N-Nitroso Terbinafine EP Impurity A
CAT No SRC-N014147
CAS No 296760-88-8
Mol.F. C12H12N2O
Mol.Wt. 200.2
INV STATUS IN STOCK
N-Nitroso Mirabegron EP Impurity C | Mirabegron N-Nitroso Deshydroxy Impurity/N-Nitroso Mirabegron Deshydroxy
N-Nitroso Mirabegron EP Impurity C | Mirabegron N-Nitroso Deshydroxy Impurity/N-Nitroso Mirabegron Deshydroxy
CAT No SRC-N014148
CAS No NA
Mol.F. C21H23N5O2S
Mol.Wt. 409.5 g/mol
INV STATUS IN STOCK
N-Nitroso Carvedilol
N-Nitroso Carvedilol
CAT No SRC-N014149
CAS No 2248746-67-8
Mol.F. C24H25N3O5
Mol.Wt. 435.5 g/mol
INV STATUS IN STOCK
N-Nitroso Venlafaxine EP Impurity D/N-Nitroso N-Desmethyl Venlafaxine
N-Nitroso Venlafaxine EP Impurity D/N-Nitroso N-Desmethyl Venlafaxine
CAT No SRC-N014150
CAS No 2680662-11-5
Mol.F. C16H24N2O3
Mol.Wt. 292.4
INV STATUS IN STOCK

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