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

Selumetinib Nitroso Impurity 3
Selumetinib Nitroso Impurity 3
CAT No SRC-N0142186
CAS No NA
Mol.F. C21H22BrClFN5O4
Mol.Wt. 542.8 g/mole
INV STATUS CUSTOM SYNTHESIS
Selumetinib Nitroso Impurity 5
Selumetinib Nitroso Impurity 5
CAT No SRC-N0142187
CAS No NA
Mol.F. C17H14Cl2FN5O4
Mol.Wt. 442.2 g/mole
INV STATUS CUSTOM SYNTHESIS
N-Nitroso N-Desmethyl Selumetinib
N-Nitroso N-Desmethyl Selumetinib
CAT No SRC-N0142188
CAS No NA
Mol.F. C16H12BrClFN5O4
Mol.Wt. 472.7 g/mole
INV STATUS CUSTOM SYNTHESIS
N-Nitoso Alimemazine EP Impurity B | N-Nitroso N-Desmethyl Alimemazine
N-Nitoso Alimemazine EP Impurity B | N-Nitroso N-Desmethyl Alimemazine
CAT No SRC-N0142189
CAS No NA
Mol.F. C17H19N3OS
Mol.Wt. 313.4 g/mole
INV STATUS IN STOCK
N-Nitoso Alimemazine EP Impurity C
N-Nitoso Alimemazine EP Impurity C
CAT No SRC-N0142190
CAS No NA
Mol.F. C12H8N2OS
Mol.Wt. 228.27g/mole
INV STATUS CUSTOM SYNTHESIS
N-Nitoso Alimemazine EP Impurity A​​​​​​​
N-Nitoso Alimemazine EP Impurity A​​​​​​​
CAT No SRC-N0142191
CAS No NA
Mol.F. C17H19N3O2S
Mol.Wt. 329.42 g/mole
INV STATUS CUSTOM SYNTHESIS
N-Nitroso Alimemazine Impurity 1
N-Nitroso Alimemazine Impurity 1
CAT No SRC-N0142192
CAS No NA
Mol.F. C29H26N4OS2
Mol.Wt. 510.67 g/mole
INV STATUS CUSTOM SYNTHESIS
N-Nitroso Alarelin
N-Nitroso Alarelin
CAT No SRC-N0142193
CAS No NA
Mol.F. C56H77N17O13
Mol.Wt. 1196.34 g/mole
INV STATUS IN STOCK
N-Nitroso Albendazole Impurity A
N-Nitroso Albendazole Impurity A
CAT No SRC-N0142194
CAS No NA
Mol.F. C10H12N4OS
Mol.Wt. 236.29 g/mole
INV STATUS CUSTOM SYNTHESIS
N-Nitroso Albendazole Impurity B
N-Nitroso Albendazole Impurity B
CAT No SRC-N0142195
CAS No NA
Mol.F. C12H14N4O4S
Mol.Wt. 310.33 g/mole
INV STATUS CUSTOM SYNTHESIS
N-Nitroso Albendazole Impurity C
N-Nitroso Albendazole Impurity C
CAT No SRC-N0142196
CAS No NA
Mol.F. C12H14N4O5S
Mol.Wt. 326.33 g/mole
INV STATUS CUSTOM SYNTHESIS
N-Nitroso Albendazole Impurity D
N-Nitroso Albendazole Impurity D
CAT No SRC-N0142197
CAS No NA
Mol.F. C10H12N4O3S
Mol.Wt. 268.29 g/mole
INV STATUS IN STOCK

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