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

Niraparib Nitroso Impurity 3
 Niraparib Nitroso Impurity 3
CAT No SRC-N0142082
CAS No NA
Mol.F. C20H20N4O5
Mol.Wt. 396.4 g/mole
INV STATUS CUSTOM SYNTHESIS
Molsidomine Nitroso Impurity 1
Molsidomine Nitroso Impurity 1
CAT No SRC-N0142083
CAS No 26687-79-6
Mol.F. C6H10N4O2
Mol.Wt. 170.2 g/mole
INV STATUS CUSTOM SYNTHESIS
N-Nitroso Sulfasalazine Impurity L
N-Nitroso Sulfasalazine Impurity L
CAT No SRC-N0142084
CAS No NA
Mol.F. C22H18N6O5S2
Mol.Wt. 510 .54g/mole
INV STATUS CUSTOM SYNTHESIS
N-nitroso N-Desmethyl Asenapine
N-nitroso N-Desmethyl Asenapine
CAT No SRC-N0142085
CAS No NA
Mol.F. C16H13ClN2O2
Mol.Wt. 300.7 g/mole
INV STATUS IN STOCK
Asenapine Impurity 20
Asenapine Impurity 20
CAT No SRC-N0142086
CAS No NA
Mol.F. C16H13N3O4
Mol.Wt. 311.3 g/mole
INV STATUS CUSTOM SYNTHESIS
Asenapine Impurity 21
Asenapine Impurity 21
CAT No SRC-N0142087
CAS No NA
Mol.F. C16H15N3O2
Mol.Wt. 281.3 g/mole
INV STATUS CUSTOM SYNTHESIS
N-Nitroso Sulfasalazine EP Impurity J
N-Nitroso Sulfasalazine EP Impurity J
CAT No SRC-N0142088
CAS No NA
Mol.F. C11H10N4O3S
Mol.Wt. 278.29 g/mole
INV STATUS CUSTOM SYNTHESIS
Nitrosamines Impurity 42
Nitrosamines Impurity 42
CAT No SRC-N0142089
CAS No NA
Mol.F. C8H7N5O
Mol.Wt. 189.2 g/mole
INV STATUS CUSTOM SYNTHESIS
Nitrosamines Impurity 43
Nitrosamines Impurity 43
CAT No SRC-N0142090
CAS No 2619509-30-5
Mol.F. C9H10N2O3S
Mol.Wt. 226.3 g/mole
INV STATUS CUSTOM SYNTHESIS
Nitrosamines Impurity 45
Nitrosamines Impurity 45
CAT No SRC-N0142091
CAS No NA
Mol.F. C9H21N3O
Mol.Wt. 187.3 g/mole
INV STATUS IN STOCK

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