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’-Nitro-N-nitroso-N-methylguanidine
N’-Nitro-N-nitroso-N-methylguanidine
CAT No SRC-N014626
CAS No 70-25-7
Mol.F. C2H5N5O3
Mol.Wt. 147.1
INV STATUS CUSTOM SYNTHESIS
1-Nitroso-1H-Imidazole
1-Nitroso-1H-Imidazole
CAT No SRC-N014627
CAS No 1233340-45-8
Mol.F. C3H3N3O
Mol.Wt. 97.1
INV STATUS CUSTOM SYNTHESIS
N-Nitroso Amlodipine EP Impurity A
N-Nitroso Amlodipine EP Impurity A
CAT No SRC-N014628
CAS No NA
Mol.F. C28H26ClN3O8
Mol.Wt. 568.0
INV STATUS CUSTOM SYNTHESIS
Nitroso Amlodipine EP Impurity B
Nitroso Amlodipine EP Impurity B
CAT No SRC-N014629
CAS No NA
Mol.F. C29H31ClN4O8
Mol.Wt. 599.0
INV STATUS CUSTOM SYNTHESIS
Losartan Nitroso Impurity 1
Losartan Nitroso Impurity 1
CAT No SRC-N014630
CAS No NA
Mol.F. C8H10ClN3O2
Mol.Wt. 215.6
INV STATUS CUSTOM SYNTHESIS
Rilpivirine Nitroso Impurity
Rilpivirine Nitroso Impurity
CAT No SRC-N014631
CAS No NA
Mol.F. C22H17N7O
Mol.Wt. 395.4
INV STATUS CUSTOM SYNTHESIS
Mononitroso Rilpivirine - II
Mononitroso Rilpivirine - II
CAT No SRC-N014632
CAS No NA
Mol.F. C22H17N7O
Mol.Wt. 395.4
INV STATUS CUSTOM SYNTHESIS
Dinitroso Rilpivirine
Dinitroso Rilpivirine
CAT No SRC-N014633
CAS No NA
Mol.F. C22H16N8O2
Mol.Wt. 424.4
INV STATUS CUSTOM SYNTHESIS
Mononitroso Methyltetrahydrofolate
Mononitroso Methyltetrahydrofolate
CAT No SRC-N014634
CAS No NA
Mol.F. C20H22N8O7 : Ca
Mol.Wt. 486.4 : 40.1
INV STATUS CUSTOM SYNTHESIS
N-Nitrosopiperazine L-5 methyltetrahydrofolate calcium
N-Nitrosopiperazine L-5 methyltetrahydrofolate calcium
CAT No SRC-N014635
CAS No NA
Mol.F. C20H22N8O7 : Ca
Mol.Wt. 486.4 : 40.1
INV STATUS CUSTOM SYNTHESIS

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