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 N-Isopropyl Aniline
N-Nitroso N-Isopropyl Aniline
CAT No SRC-N0141762
CAS No 24642-83-9
Mol.F. C9H12N2O
Mol.Wt. 164.2
INV STATUS CUSTOM SYNTHESIS
N-Nitroso Gabapentin EP Impurity A | Nitroso Gabapentin Lactam Impurity
N-Nitroso Gabapentin EP Impurity A | Nitroso Gabapentin Lactam Impurity
CAT No SRC-N0141763
CAS No 856068-98-9
Mol.F. C9H14N2O2
Mol.Wt. 182.2 g/mol
INV STATUS IN STOCK
Dasatinib Dichloro Nitroso Impurity
Dasatinib Dichloro Nitroso Impurity
CAT No SRC-N0141764
CAS No NA
Mol.F. C16H12Cl2N6O2S
Mol.Wt. 423.3
INV STATUS CUSTOM SYNTHESIS
Dasatinib Nitroso Impurity 3
Dasatinib Nitroso Impurity 3
CAT No SRC-N0141765
CAS No NA
Mol.F. C22H25ClN8O4S
Mol.Wt. 533.0
INV STATUS CUSTOM SYNTHESIS
Dasatinib Nitroso Impurity 4
Dasatinib Nitroso Impurity 4
CAT No SRC-N0141766
CAS No NA
Mol.F. C22H25ClN8O4S
Mol.Wt. 533.0
INV STATUS CUSTOM SYNTHESIS
N-Nitroso Levodopa Impurity 1
N-Nitroso Levodopa Impurity 1
CAT No SRC-N0141767
CAS No NA
Mol.F. C12H12N2O7
Mol.Wt. 296.2
INV STATUS CUSTOM SYNTHESIS
N,N-Dinitroso Levofloxacin EP Impurity G
N,N-Dinitroso Levofloxacin EP Impurity G
CAT No SRC-N0141768
CAS No NA
Mol.F. C16H16FN5O6
Mol.Wt. 393.3
INV STATUS CUSTOM SYNTHESIS
N-Nitroso Levofloxacin EP Impurity G (Possibility 1)
N-Nitroso Levofloxacin EP Impurity G (Possibility 1)
CAT No SRC-N0141769
CAS No NA
Mol.F. C16H17FN4O5
Mol.Wt. 364.3
INV STATUS CUSTOM SYNTHESIS
N-Nitroso Levofloxacin EP Impurity G (Possibility 2)
N-Nitroso Levofloxacin EP Impurity G (Possibility 2)
CAT No SRC-N0141770
CAS No NA
Mol.F. C16H17FN4O5
Mol.Wt. 364.3
INV STATUS CUSTOM SYNTHESIS
N-Nitroso Levofloxacin Impurity 2
N-Nitroso Levofloxacin Impurity 2
CAT No SRC-N0141771
CAS No NA
Mol.F. C15H15FN4O5
Mol.Wt. 350.3
INV STATUS CUSTOM SYNTHESIS
N-Nitroso Levofloxacin Impurity 3
N-Nitroso Levofloxacin Impurity 3
CAT No SRC-N0141772
CAS No NA
Mol.F. C15H14F4N2O5
Mol.Wt. 378.3
INV STATUS CUSTOM SYNTHESIS
N-Nitroso Levofloxacin Impurity 4
N-Nitroso Levofloxacin Impurity 4
CAT No SRC-N0141773
CAS No NA
Mol.F. C15H14FN3O5
Mol.Wt. 335.3
INV STATUS CUSTOM SYNTHESIS
Levofolinate Nitroso Impurity 4
Levofolinate Nitroso Impurity 4
CAT No SRC-N0141774
CAS No NA
Mol.F. C20H22N8O8
Mol.Wt. 502.4
INV STATUS CUSTOM SYNTHESIS
Levomefolate Nitroso Impurity 4 | N-Nitroso Levomefolic acid 2
Levomefolate Nitroso Impurity 4 | N-Nitroso Levomefolic acid 2
CAT No SRC-N0141775
CAS No NA
Mol.F. C20H24N8O7
Mol.Wt. 488.5
INV STATUS CUSTOM SYNTHESIS
Dinitroso L-5 methyltetrahydrofolate
Dinitroso L-5 methyltetrahydrofolate
CAT No SRC-N0141776
CAS No NA
Mol.F. C20H21N9O8
Mol.Wt. 515.4
INV STATUS CUSTOM SYNTHESIS
Mononitroso Methyltetrahydrofolate
Mononitroso Methyltetrahydrofolate
CAT No SRC-N0141777
CAS No NA
Mol.F. C20H22N8O7
Mol.Wt. 486.4
INV STATUS CUSTOM SYNTHESIS

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