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 Bisoprolol EP Impurity R
N-Nitroso Bisoprolol EP Impurity R
CAT No SRC-N0142582
CAS No NA
Mol.F. C13H20N2O3
Mol.Wt. 252.31 g/mol
INV STATUS UNDER SYNTHESIS
N-Nitroso Bisoprolol Hydroxyethyl Ester Impurity
N-Nitroso Bisoprolol Hydroxyethyl Ester Impurity
CAT No SRC-N0142583
CAS No NA
Mol.F. C15H22N2O6
Mol.Wt. 326.35 g/mol
INV STATUS CUSTOM SYNTHESIS
N-Nitroso N-Desisopropyl-N-Formyl Bisoprolol
N-Nitroso N-Desisopropyl-N-Formyl Bisoprolol
CAT No SRC-N0142584
CAS No NA
Mol.F. C16H24N2O6
Mol.Wt. 340.38 g/mol
INV STATUS CUSTOM SYNTHESIS
N-Nitroso Bisoprolol EP Impurity Q
N-Nitroso Bisoprolol EP Impurity Q
CAT No SRC-N0142585
CAS No NA
Mol.F. C16H26N2O5
Mol.Wt. 326.39 g/mol
INV STATUS CUSTOM SYNTHESIS
N-Nitroso Bisoprolol Benzylalcohol
N-Nitroso Bisoprolol Benzylalcohol
CAT No SRC-N0142586
CAS No NA
Mol.F. C13H20N2O2
Mol.Wt. 268.31 g/mol
INV STATUS CUSTOM SYNTHESIS
N-Nitroso Bisoprolol Diene Impurity
N-Nitroso Bisoprolol Diene Impurity
CAT No SRC-N0142587
CAS No NA
Mol.F. C19H28N2O3
Mol.Wt. 332.44 g/mol
INV STATUS CUSTOM SYNTHESIS
N-Nitroso Bisoprolol Methyl Ester
N-Nitroso Bisoprolol Methyl Ester
CAT No SRC-N0142588
CAS No NA
Mol.F. C14H20N2O5
Mol.Wt. 296.32 g/mol
INV STATUS CUSTOM SYNTHESIS
N-Nitroso Bisoprolol Phenol Impurity
N-Nitroso Bisoprolol Phenol Impurity
CAT No SRC-N0142589
CAS No NA
Mol.F. C12H18N2O4
Mol.Wt. 254.29 g/mol
INV STATUS CUSTOM SYNTHESIS
N-Nitroso Des O-Isopropyl Bisoprolol
N-Nitroso Des O-Isopropyl Bisoprolol
CAT No SRC-N0142590
CAS No NA
Mol.F. C15H24N2O5
Mol.Wt. 312.37g/mol
INV STATUS CUSTOM SYNTHESIS
N-Nitroso Phosphomonoester Of Bisoprolol
N-Nitroso Phosphomonoester Of Bisoprolol
CAT No SRC-N0142591
CAS No NA
Mol.F. C18H31N2O8P
Mol.Wt. 432.45 g/mol
INV STATUS CUSTOM SYNTHESIS

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