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 Lobeglitazone Impurity 4
N-Nitroso Lobeglitazone Impurity 4
CAT No SRC-N0143083
CAS No NA
Mol.F. C31H29N5O7S
Mol.Wt. 615.66 g/mole
INV STATUS CUSTOM SYNTHESIS
N-Nitroso Lobeglitazone Impurity 5
N-Nitroso Lobeglitazone Impurity 5
CAT No SRC-N0143084
CAS No NA
Mol.F. C24H25N5O5S
Mol.Wt. 495.55 g/mole
INV STATUS CUSTOM SYNTHESIS
N-Nitroso Lobeglitazone Impurity 8
N-Nitroso Lobeglitazone Impurity 8
CAT No SRC-N0143085
CAS No NA
Mol.F. C23H21N5O6S
Mol.Wt. 495.51 g/mole
INV STATUS CUSTOM SYNTHESIS
N-Nitroso Mesalazine EP Impurity S
N-Nitroso Mesalazine EP Impurity S
CAT No SRC-N0143086
CAS No NA
Mol.F. C14H11N3O6
Mol.Wt. 317.26 g/mole
INV STATUS CUSTOM SYNTHESIS
N-Nitroso N-Acetyl Mesalazine
N-Nitroso N-Acetyl Mesalazine
CAT No SRC-N0143087
CAS No NA
Mol.F. C9H8N2O5
Mol.Wt. 224.17 g/mole
INV STATUS CUSTOM SYNTHESIS
N-Nitroso N-Butyryl Mesalazine
N-Nitroso N-Butyryl Mesalazine
CAT No SRC-N0143088
CAS No NA
Mol.F. C11H12N2O5
Mol.Wt. 252.23 g/mole
INV STATUS CUSTOM SYNTHESIS
N-Nitroso N-Formyl Mesalazine
N-Nitroso N-Formyl Mesalazine
CAT No SRC-N0143089
CAS No NA
Mol.F. C8H6N2O5
Mol.Wt. 210.15 g/mole
INV STATUS CUSTOM SYNTHESIS
N-Nitroso N-Propionyl Mesalazine
N-Nitroso N-Propionyl Mesalazine
CAT No SRC-N0143090
CAS No NA
Mol.F. C10H10N2O5
Mol.Wt. 238.20 g/mole
INV STATUS CUSTOM SYNTHESIS
N-Nitroso Mesalazine N-β-D-Glucoside
N-Nitroso Mesalazine N-β-D-Glucoside
CAT No SRC-N0143091
CAS No NA
Mol.F. C13H16N2O9
Mol.Wt. 344.28 g/mole
INV STATUS CUSTOM SYNTHESIS
Metolazone Nitroso Impurity 2
Metolazone Nitroso Impurity 2
CAT No SRC-N0143092
CAS No NA
Mol.F. C16H15ClN4O4S
Mol.Wt. 394.8 g/mole
INV STATUS CUSTOM SYNTHESIS

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