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

Azilsartan Nitroso Impurity 5
Azilsartan Nitroso Impurity 5
CAT No SRC-N0141890
CAS No NA
Mol.F. C21H16N4O3
Mol.Wt. 372.4 g/mol
INV STATUS CUSTOM SYNTHESIS
Azilsartan Nitroso Impurity 1
Azilsartan Nitroso Impurity 1
CAT No SRC-N0141891
CAS No NA
Mol.F. C28H19N5O9
Mol.Wt. 569.5 g/mol
INV STATUS CUSTOM SYNTHESIS
N-Nitroso Azilsartan
N-Nitroso Azilsartan
CAT No SRC-N0141892
CAS No NA
Mol.F. C25H19N5O6
Mol.Wt. 485.5 g/mol
INV STATUS CUSTOM SYNTHESIS
N-Nitroso Azilsartan Imidazole Carbonyl Dioxolene Ester
N-Nitroso Azilsartan Imidazole Carbonyl Dioxolene Ester
CAT No SRC-N0141893
CAS No NA
Mol.F. C33H27N7O9
Mol.Wt. 665.6 g/mol
INV STATUS CUSTOM SYNTHESIS
N-Nitroso Azilsartan Methyl Ester
N-Nitroso Azilsartan Methyl Ester
CAT No SRC-N0141894
CAS No NA
Mol.F. C26H21N5O6
Mol.Wt. 499.5 g/mol
INV STATUS CUSTOM SYNTHESIS
Amlodipine Nitroso N-Lactoside
Amlodipine Nitroso N-Lactoside
CAT No SRC-N0141895
CAS No NA
Mol.F. C32H42ClN3O16
Mol.Wt. 760.1 g/mol
INV STATUS CUSTOM SYNTHESIS
Hydroxyethyl Phthalyl Amlodipine Nitroso Impurity
Hydroxyethyl Phthalyl Amlodipine Nitroso Impurity
CAT No SRC-N0141896
CAS No NA
Mol.F. C30H33ClN4O9
Mol.Wt. 629.1 g/mol
INV STATUS CUSTOM SYNTHESIS
N-Nitroso Amlodipine Aspartic Acid Impurity
N-Nitroso Amlodipine Aspartic Acid Impurity
CAT No SRC-N0141897
CAS No NA
Mol.F. C24H28ClN3O10
Mol.Wt. 553.9 g/mol
INV STATUS CUSTOM SYNTHESIS
N-Nitroso Amlodipine EP Impurity E
N-Nitroso Amlodipine EP Impurity E
CAT No SRC-N0141898
CAS No NA
Mol.F. C21H26ClN3O6
Mol.Wt. 451.9 g/mol
INV STATUS CUSTOM SYNTHESIS
N-Nitroso Amlodipine EP Impurity F
N-Nitroso Amlodipine EP Impurity F
CAT No SRC-N0141899
CAS No NA
Mol.F. C19H22ClN3O6
Mol.Wt. 423.9 g/mol
INV STATUS CUSTOM SYNTHESIS
N-Nitroso Amlodipine Impurity-1
N-Nitroso Amlodipine Impurity-1
CAT No SRC-N0141900
CAS No NA
Mol.F. C20H21ClN2O6
Mol.Wt. 420.8 g/mol
INV STATUS CUSTOM SYNTHESIS
N-Nitroso Amlodipine Methyl Ester
N-Nitroso Amlodipine Methyl Ester
CAT No SRC-N0141901
CAS No NA
Mol.F. C25H30ClN3O10
Mol.Wt. 568.0 g/mol
INV STATUS CUSTOM SYNTHESIS
N-Nitroso Levamlodipine
N-Nitroso Levamlodipine
CAT No SRC-N0141902
CAS No NA
Mol.F. C20H24ClN3O6
Mol.Wt. 437.9 g/mol
INV STATUS CUSTOM SYNTHESIS
Amlodipine Nitroso Impurity 1
Amlodipine Nitroso Impurity 1
CAT No SRC-N0141903
CAS No NA
Mol.F. C20H26ClN3O6
Mol.Wt. 439.9 g/mol
INV STATUS CUSTOM SYNTHESIS
Alogliptin Benzoate Dimer Nitroso Impurity
Alogliptin Benzoate Dimer Nitroso Impurity
CAT No SRC-N0141904
CAS No NA
Mol.F. C31H29N9O5
Mol.Wt. 607.6 g/mol
INV STATUS CUSTOM SYNTHESIS
Alogliptin Nitroso Impurity 1
Alogliptin Nitroso Impurity 1
CAT No SRC-N0141905
CAS No NA
Mol.F. C18H20N6O3
Mol.Wt. 368.4 g/mol
INV STATUS CUSTOM SYNTHESIS

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