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

Ethyl 3-(3-(2-((4-Cyanophenyl)(Nitroso)Amino)Acetamido)-4-(Methyl(Nitroso)Amino)-N-(Pyridin-2-Yl)Benzamido)Propanoate
Ethyl 3-(3-(2-((4-Cyanophenyl)(Nitroso)Amino)Acetamido)-4-(Methyl(Nitroso)Amino)-N-(Pyridin-2-Yl)Benzamido)Propanoate
CAT No SRC-N0141326
CAS No NA
Mol.F. C27H26N8O6
Mol.Wt. 558.55
INV STATUS IN STOCK
Clozapine Nitroso (Unknown Impurity)
Clozapine Nitroso (Unknown Impurity)
CAT No SRC-N014221
CAS No NA
Mol.F. C17H16ClN5O
Mol.Wt. 341.80
INV STATUS IN STOCK
N-Nitroso Pheniramine
N-Nitroso Pheniramine
CAT No SRC-N0141327
CAS No NA
Mol.F. C15H17N3O
Mol.Wt. 255.32
INV STATUS IN STOCK
N-Nitroso-N-Desmethyl Dapoxetine
N-Nitroso-N-Desmethyl Dapoxetine
CAT No SRC-N0141328
CAS No NA
Mol.F. C20H20N2O2
Mol.Wt. 320.4
INV STATUS IN STOCK
N Nitroso Benzathine
N Nitroso Benzathine
CAT No SRC-N0141329
CAS No NA
Mol.F. C16H19N3O
Mol.Wt. 269.35
INV STATUS IN STOCK
N-Nitroso Promethazine EP Impurity C | N-Nitroso Desmethyl Promethazine
N-Nitroso Promethazine EP Impurity C  |  N-Nitroso Desmethyl Promethazine
CAT No SRC-N0141330
CAS No 94511-44-1
Mol.F. C16H17N3OS
Mol.Wt. 299.4
INV STATUS IN STOCK
N-Nitroso Dexmethylphenidate
N-Nitroso Dexmethylphenidate
CAT No SRC-N014340
CAS No NA
Mol.F. C14H18N2O3
Mol.Wt. 262.3
INV STATUS CUSTOM SYNTHESIS
Carprofen Nitroso Impurity
Carprofen Nitroso Impurity
CAT No SRC-N014468
CAS No 2355377-45-4
Mol.F. C15H11ClN2O3
Mol.Wt. 302.7
INV STATUS CUSTOM SYNTHESIS
Erlotinib Nitroso Impurity
Erlotinib Nitroso Impurity
CAT No SRC-N014499
CAS No NA
Mol.F. C22H22N4O5
Mol.Wt. 422.4
INV STATUS IN STOCK
Ledipasvir Nitroso Impurity 1
Ledipasvir Nitroso Impurity 1
CAT No SRC-N014554
CAS No NA
Mol.F. C49H53F2N9O7
Mol.Wt. 918.0
INV STATUS CUSTOM SYNTHESIS

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