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 dobutamine
N-Nitroso dobutamine
CAT No SRC-N014292
CAS No NA
Mol.F. C18H22N2O4
Mol.Wt. 330.4
INV STATUS IN STOCK
Bilastine Nitroso Impurity 2
Bilastine Nitroso Impurity 2
CAT No SRC-N014293
CAS No NA
Mol.F. C16H22N4O2
Mol.Wt. 302.37 g/mol
INV STATUS CUSTOM SYNTHESIS
N-Nitroso Desmethyl Azelastine
N-Nitroso Desmethyl Azelastine
CAT No SRC-N014294
CAS No NA
Mol.F. C21H21ClN4O2
Mol.Wt. 396.9
INV STATUS IN STOCK
Quetiapine Nitroso Impurity 1
Quetiapine Nitroso  Impurity 1
CAT No SRC-N014295
CAS No 2101854-40-2
Mol.F. NA
Mol.Wt. 242.30
INV STATUS CUSTOM SYNTHESIS
Avatrombopag Nitroso Impurity 1
Avatrombopag Nitroso Impurity 1
CAT No SRC-N014296
CAS No NA
Mol.F. C23H23Cl2N7O4S2
Mol.Wt. 596.5
INV STATUS CUSTOM SYNTHESIS
varenicline Nitroso Impurity 4
varenicline Nitroso Impurity 4
CAT No SRC-N014297
CAS No 2803960-63-4
Mol.F. C11H10N4O5
Mol.Wt. 278.2
INV STATUS CUSTOM SYNTHESIS
N-Nitroso Flecainide EP Impurity B
N-Nitroso Flecainide EP Impurity B
CAT No SRC-N014298
CAS No NA
Mol.F. C6H13N3O : HCl
Mol.Wt. 143.2 : 36.5
INV STATUS IN STOCK
N-Nitroso Trimethoprim EP Impurity A
N-Nitroso Trimethoprim EP Impurity A
CAT No SRC-N014299
CAS No NA
Mol.F. C15H19N5O4
Mol.Wt. 333.3
INV STATUS CUSTOM SYNTHESIS
N-Nitroso Azithromycin/N-Nitroso Desmethyl Azithromycin/N-Nitroso Azithromycin EP Impurity I
N-Nitroso Azithromycin/N-Nitroso Desmethyl Azithromycin/N-Nitroso Azithromycin EP Impurity I
CAT No SRC-N014306
CAS No NA
Mol.F. C37H69N3O13
Mol.Wt. 763.97
INV STATUS IN STOCK
N-Nitroso-N-Desmethyl-Clarithromycin/N-Nitroso Clarithromycin
N-Nitroso-N-Desmethyl-Clarithromycin/N-Nitroso Clarithromycin
CAT No SRC-N014307
CAS No NA
Mol.F. C37H66N2O14
Mol.Wt. 762.9
INV STATUS IN STOCK

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