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 Ertapenemic Acid
N-Nitroso Ertapenemic Acid
CAT No SRC-N0142835
CAS No NA
Mol.F. C22H26N4O9S
Mol.Wt. 522.53 g/mol
INV STATUS CUSTOM SYNTHESIS
N-Nitroso Ertapenem Impurity DIPP
N-Nitroso Ertapenem Impurity DIPP
CAT No SRC-N0142836
CAS No NA
Mol.F. C18H26N3O7PS
Mol.Wt. 459.45 g/mol
INV STATUS CUSTOM SYNTHESIS
N-Nitroso Ertapenem Open-Ring Triacid
N-Nitroso Ertapenem Open-Ring Triacid
CAT No SRC-N0142837
CAS No NA
Mol.F. C22H26N4O9S
Mol.Wt. 522.53 g/mol
INV STATUS CUSTOM SYNTHESIS
N-Nitroso Ertapenem Impurity 3
N-Nitroso Ertapenem Impurity 3
CAT No SRC-N0142838
CAS No NA
Mol.F. C12H13N3O4
Mol.Wt. 263.25 g/mol
INV STATUS CUSTOM SYNTHESIS
N-Nitroso Eletriptan N-Oxide Impurity 1
N-Nitroso Eletriptan N-Oxide Impurity 1
CAT No SRC-N0142839
CAS No NA
Mol.F. C22H25N3O4S
Mol.Wt. 427.52 g/mol
INV STATUS CUSTOM SYNTHESIS
N-Nitroso Eletriptan S-Enantiomer
N-Nitroso Eletriptan S-Enantiomer
CAT No SRC-N0142840
CAS No NA
Mol.F. C22H25N3O3S
Mol.Wt. 411.52 g/mol
INV STATUS CUSTOM SYNTHESIS
N-Nitroso Eletriptan USP Related Compound B
N-Nitroso Eletriptan USP Related Compound B
CAT No SRC-N0142841
CAS No NA
Mol.F. C14H16BrN3O
Mol.Wt. 322.21g/mol
INV STATUS CUSTOM SYNTHESIS
N-Nitroso Eletriptan Impurity 3
N-Nitroso Eletriptan Impurity 3
CAT No SRC-N0142842
CAS No NA
Mol.F. C44H47N5O5S2
Mol.Wt. 790.01g/mol
INV STATUS CUSTOM SYNTHESIS
N-Nitroso Eletriptan Impurity 4
N-Nitroso Eletriptan Impurity 4
CAT No SRC-N0142843
CAS No NA
Mol.F. C44H49N5O5S2
Mol.Wt. 792.03 g/mol
INV STATUS CUSTOM SYNTHESIS
N-Nitroso Eletriptan Impurity 8
N-Nitroso Eletriptan Impurity 8
CAT No SRC-N0142844
CAS No NA
Mol.F. C14H17N2O
Mol.Wt. 243.31 g/mol
INV STATUS CUSTOM SYNTHESIS
N-Nitroso Eletriptan Impurity 10
N-Nitroso Eletriptan Impurity 10
CAT No SRC-N0142845
CAS No NA
Mol.F. C16H14N2O3S
Mol.Wt. 314.36 g/mol
INV STATUS CUSTOM SYNTHESIS
N-Nitroso Eletriptan Impurity 11
N-Nitroso Eletriptan Impurity 11
CAT No SRC-N0142846
CAS No NA
Mol.F. C23H23N3O4
Mol.Wt. 405.45 g/mol
INV STATUS CUSTOM SYNTHESIS
N-Nitroso Eletriptan Impurity 12
N-Nitroso Eletriptan Impurity 12
CAT No SRC-N0142847
CAS No NA
Mol.F. C16H21N3O
Mol.Wt. 271.36 g/mol
INV STATUS CUSTOM SYNTHESIS
N-Nitroso Eltrombopag Amide
N-Nitroso Eltrombopag Amide
CAT No SRC-N0142848
CAS No NA
Mol.F. C25H22N6O4
Mol.Wt. 470.49g/mol
INV STATUS CUSTOM SYNTHESIS
N-Nitroso Eltrombopag Lactose Olamine Adduct
N-Nitroso Eltrombopag Lactose Olamine Adduct
CAT No SRC-N0142849
CAS No NA
Mol.F. C14H26N2O12
Mol.Wt. 414.36 g/mol
INV STATUS CUSTOM SYNTHESIS
N-Nitroso Eltrombopag Methoxy Impurity
N-Nitroso Eltrombopag Methoxy Impurity
CAT No SRC-N0142850
CAS No NA
Mol.F. C26H23N5O5
Mol.Wt. 485.5 g/mol
INV STATUS CUSTOM SYNTHESIS

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