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

Fezolinetant Niroso Impurity 2
Fezolinetant Niroso Impurity 2
CAT No SRC-N0143651
CAS No NA
Mol.F. C5H9N3O2
Mol.Wt. 143.1 g/mole
INV STATUS CUSTOM SYNTHESIS
Fezolinetant Niroso Impurity 3
Fezolinetant Niroso Impurity 3
CAT No SRC-N0143652
CAS No 112101-70-1
Mol.F. C15H21N3O5
Mol.Wt. 323.3 g/mole
INV STATUS IN STOCK
Vericiguat Nitroso Impurity 1
Vericiguat Nitroso Impurity 1
CAT No SRC-N0143653
CAS No NA
Mol.F. C12H10FN9O3
Mol.Wt. 347.3 g/mole
INV STATUS CUSTOM SYNTHESIS
N- Nitroso Vericiguat
N- Nitroso Vericiguat
CAT No SRC-N0143654
CAS No NA
Mol.F. C19H15F2N9O3
Mol.Wt. 455.39 g/mole
INV STATUS CUSTOM SYNTHESIS
Vericiguat Nitroso Impurity 2
Vericiguat Nitroso Impurity 2
CAT No SRC-N0143655
CAS No NA
Mol.F. C18H11F2N9O2
Mol.Wt. 423.34 g/mole
INV STATUS CUSTOM SYNTHESIS
Vericiguat Nitroso Impurity 3
Vericiguat Nitroso Impurity 3
CAT No SRC-N0143656
CAS No NA
Mol.F. C18H13F2N9O3
Mol.Wt. 441.36 g/mole
INV STATUS CUSTOM SYNTHESIS
Vericiguat Nitroso Impurity 5
Vericiguat Nitroso Impurity 5
CAT No SRC-N0143657
CAS No NA
Mol.F. C19H15F2N9O4
Mol.Wt. 471.38 g/mole
INV STATUS CUSTOM SYNTHESIS
Vericiguat Nitroso Impurity 6
Vericiguat Nitroso Impurity 6
CAT No SRC-N0143658
CAS No NA
Mol.F. C21H17F2N9O5
Mol.Wt. 513.42 g/mole
INV STATUS CUSTOM SYNTHESIS
N-Nitroso Vericiguat Acetyl Impurity
N-Nitroso Vericiguat Acetyl Impurity
CAT No SRC-N0143659
CAS No NA
Mol.F. C19H15F2N9O2
Mol.Wt. 439.39 g/mole
INV STATUS CUSTOM SYNTHESIS
Nitrosamines Impurity 24
Nitrosamines Impurity 24
CAT No SRC-N0143660
CAS No 29104-67-4
Mol.F. C4H11N3O
Mol.Wt. 117.2 g/mole
INV STATUS CUSTOM SYNTHESIS
Enzalutamide Nitroso Impurity 6
Enzalutamide Nitroso Impurity 6
CAT No SRC-N0143661
CAS No NA
Mol.F. C13H15FN2O5
Mol.Wt. 298.3 g/mole
INV STATUS CUSTOM SYNTHESIS
Enzalutamide Nitroso Impurity 7
Enzalutamide Nitroso Impurity 7
CAT No SRC-N0143662
CAS No NA
Mol.F. C11H11FN2O5
Mol.Wt. 270.2 g/mole
INV STATUS CUSTOM SYNTHESIS
N-Nitroso Enzalutamide Ethylester Impurity
N-Nitroso Enzalutamide Ethylester Impurity
CAT No SRC-N0143663
CAS No NA
Mol.F. C21H18F4N4O4
Mol.Wt. 466.4 g/mole
INV STATUS CUSTOM SYNTHESIS
Enzalutamide Nitroso Impurity 8
Enzalutamide Nitroso Impurity 8
CAT No SRC-N0143664
CAS No NA
Mol.F. C12H13FN2O5
Mol.Wt. 284.2 g/mole
INV STATUS CUSTOM SYNTHESIS
Enzalutamide Nitroso Impurity 9
Enzalutamide Nitroso Impurity 9
CAT No SRC-N0143665
CAS No NA
Mol.F. C22H19F3N6O3S
Mol.Wt. 504.5 g/mole
INV STATUS CUSTOM SYNTHESIS
N-Nitroso Desfluoro N-Methyl Methylbenzoate
N-Nitroso Desfluoro N-Methyl Methylbenzoate
CAT No SRC-N0143666
CAS No NA
Mol.F. C22H18F3N5O4S
Mol.Wt. 505.5 g/mole
INV STATUS CUSTOM SYNTHESIS

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