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

Rizatriptan Nitroso EP Impurity I/ N-Nitroso Desmethyl Rizatriptan
Rizatriptan Nitroso EP Impurity I/ N-Nitroso Desmethyl Rizatriptan
CAT No SRC-N014181
CAS No NA
Mol.F. C14H16N6O
Mol.Wt. 284.3 g/mol
INV STATUS IN STOCK
4-Methyl-1-nitrosopiperidine/1-Nitroso-4-pipecoline
4-Methyl-1-nitrosopiperidine/1-Nitroso-4-pipecoline
CAT No SRC-N014182
CAS No 15104-03-7
Mol.F. C6H12N2O
Mol.Wt. 128.18
INV STATUS IN STOCK
N-Nitrosodiisobutylamine
N-Nitrosodiisobutylamine
CAT No SRC-N014183
CAS No 997-95-5
Mol.F. C8H18N2O
Mol.Wt. 158.2
INV STATUS IN STOCK
1-benzyl-4-nitrosopiperazine
1-benzyl-4-nitrosopiperazine
CAT No SRC-N014184
CAS No 40675-45-4
Mol.F. C11H15N3O
Mol.Wt. 205.26
INV STATUS IN STOCK
N-Nitroso Terbinafine Degradant | N-Nitroso Terbinafine Impurity 1
N-Nitroso Terbinafine Degradant | N-Nitroso Terbinafine Impurity 1
CAT No SRC-N014185
CAS No NA
Mol.F. C10H16N2O
Mol.Wt. 180.3 g/mol
INV STATUS IN STOCK
N-Nitroso-4-piperidone
N-Nitroso-4-piperidone
CAT No SRC-N014186
CAS No 55556-91-7
Mol.F. C5H8N2O2
Mol.Wt. 128.1
INV STATUS IN STOCK
N-Nitroso Clozapine
N-Nitroso Clozapine
CAT No SRC-N014187
CAS No 156632-03-0
Mol.F. C18H18ClN5O
Mol.Wt. 355.8
INV STATUS IN STOCK
N-Nitroso Aciclovir
N-Nitroso Aciclovir
CAT No SRC-N014188
CAS No NA
Mol.F. C8H10N6O4
Mol.Wt. 254.2
INV STATUS IN STOCK
Quetiapine Nitroso EP Impurity B/N-Nitroso Quetiapine EP Impurity B/N-Nitroso Quetiapine USP Related Compound B ; N-Nitroso N-Desalkyl Quetiapine
Quetiapine Nitroso EP Impurity B/N-Nitroso Quetiapine EP Impurity B/N-Nitroso Quetiapine USP Related Compound B ; N-Nitroso N-Desalkyl Quetiapine
CAT No SRC-N014189
CAS No NA
Mol.F. C17H16N4OS
Mol.Wt. 324.4
INV STATUS IN STOCK
N-Nitroso Sertraline
N-Nitroso Sertraline
CAT No SRC-N014190
CAS No 3006789-98-3
Mol.F. C17H16Cl2N2O
Mol.Wt. 335.2 g/mol
INV STATUS IN STOCK

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