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

Abemaciclib Nitroso Impurity 6
Abemaciclib Nitroso Impurity 6
CAT No SRC-N0142522
CAS No NA
Mol.F. C24H24F2N10O2
Mol.Wt. 522.5 g/mol
INV STATUS UNDER SYNTHESIS
Abemaciclib Nitroso Impurity 7
Abemaciclib Nitroso Impurity 7
CAT No SRC-N0142523
CAS No NA
Mol.F. C8H7BFN3O3
Mol.Wt. 223.0 g/mol
INV STATUS CUSTOM SYNTHESIS
N-Nitroso Abemaciclib Impurity 8
N-Nitroso Abemaciclib Impurity 8
CAT No SRC-N0142524
CAS No NA
Mol.F. C10H14N4O
Mol.Wt. 206.2 g/mol
INV STATUS UNDER SYNTHESIS
N-Nitroso Abemaciclib N-Oxide Impurity 1
N-Nitroso Abemaciclib N-Oxide Impurity 1
CAT No SRC-N0142525
CAS No NA
Mol.F. C27H31F2N9O2
Mol.Wt. 551.60 g/mol
INV STATUS UNDER SYNTHESIS
N-Nitroso Abemaciclib N-Oxide Impurity 2
N-Nitroso Abemaciclib N-Oxide Impurity 2
CAT No SRC-N0142526
CAS No NA
Mol.F. C27H31F2N9O2
Mol.Wt. 551.60 g/mol
INV STATUS UNDER SYNTHESIS
N-Nitroso Abemaciclib Desfluoro Pyrimidine Imidazole Impurity
N-Nitroso Abemaciclib Desfluoro Pyrimidine Imidazole Impurity
CAT No SRC-N0142527
CAS No NA
Mol.F. C27H32FN9O
Mol.Wt. 517.61 g/mol
INV STATUS CUSTOM SYNTHESIS
N-Nitroso Abemaciclib N-Oxide Impurity 3
N-Nitroso Abemaciclib N-Oxide Impurity 3
CAT No SRC-N0142528
CAS No NA
Mol.F. C27H31F2N9O2
Mol.Wt. 551.60 g/mol
INV STATUS UNDER SYNTHESIS
N-Nitroso Abemaciclib N-Oxide Impurity 4
N-Nitroso Abemaciclib N-Oxide Impurity 4
CAT No SRC-N0142529
CAS No NA
Mol.F. C27H31F2N9O3
Mol.Wt. 567.60 g/mol
INV STATUS UNDER SYNTHESIS
Elacestrant N,N-Dinitroso N-Desethyl Impurity
Elacestrant N,N-Dinitroso N-Desethyl Impurity
CAT No SRC-N0142530
CAS No NA
Mol.F. C28H32N4O4
Mol.Wt. 488.6 g/mol
INV STATUS IN STOCK
Elacestrant N-Nitroso N-Desethyl Impurity (Possibility 2)
Elacestrant N-Nitroso N-Desethyl Impurity (Possibility 2)
CAT No SRC-N0142531
CAS No NA
Mol.F. C28H33N3O3
Mol.Wt. 459.5 g/mol
INV STATUS UNDER SYNTHESIS

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