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

Hydrochlorothiazide Nitroso Impurity 1
Hydrochlorothiazide Nitroso Impurity 1
CAT No SRC-N0142953
CAS No NA
Mol.F. C8H10N4O5S2
Mol.Wt. 306.3 g/mol
INV STATUS CUSTOM SYNTHESIS
Di-Nitroso 5-Chloro Hydrochlorothiazide
Di-Nitroso 5-Chloro Hydrochlorothiazide
CAT No SRC-N0142954
CAS No NA
Mol.F. C7H5Cl2N5O6S2
Mol.Wt. 390.2 g/mol
INV STATUS CUSTOM SYNTHESIS
N-Nitroso 5-Chloro Hydrochlorothiazide
N-Nitroso 5-Chloro Hydrochlorothiazide
CAT No SRC-N0142955
CAS No NA
Mol.F. C7H6Cl2N4O5S2
Mol.Wt. 361.2 g/mol
INV STATUS CUSTOM SYNTHESIS
N-Nitroso Hydrochlorothiazide EP Impurity C
N-Nitroso Hydrochlorothiazide EP Impurity C
CAT No SRC-N0142956
CAS No NA
Mol.F. C15H15Cl2N7O9S4
Mol.Wt. 636.5 g/mol
INV STATUS CUSTOM SYNTHESIS
N-Nitroso Hydrochlorothiazide EP Impurity A
N-Nitroso Hydrochlorothiazide EP Impurity A
CAT No SRC-N0142957
CAS No NA
Mol.F. C7H5ClN4O5S2
Mol.Wt. 324.71 g/mol
INV STATUS CUSTOM SYNTHESIS
N-Nitroso Hydrochlorothiazide Impurity 2
N-Nitroso Hydrochlorothiazide Impurity 2
CAT No SRC-N0142958
CAS No NA
Mol.F. C6H4ClN5O5S2
Mol.Wt. 325.70 g/mol
INV STATUS CUSTOM SYNTHESIS
N-Nitroso Hydrochlorothiazide Impurity 7
N-Nitroso Hydrochlorothiazide Impurity 7
CAT No SRC-N0142959
CAS No NA
Mol.F. C7H6ClN3O3S
Mol.Wt. 247.65 g/mol
INV STATUS CUSTOM SYNTHESIS
Ivabradine Amine Nitroso Impurity
Ivabradine Amine Nitroso Impurity
CAT No SRC-N0142960
CAS No NA
Mol.F. C12H16N2O3
Mol.Wt. 236.3 g/mol
INV STATUS CUSTOM SYNTHESIS
N-Nitroso Ivabradine Impurity 2
N-Nitroso Ivabradine Impurity 2
CAT No SRC-N0142961
CAS No NA
Mol.F. C14H20N2O6
Mol.Wt. 312.32 g/mol
INV STATUS CUSTOM SYNTHESIS
N-Nitroso Ivabradine Open Ring
N-Nitroso Ivabradine Open Ring
CAT No SRC-N0142962
CAS No NA
Mol.F. C27H37N3O7
Mol.Wt. 515.61 g/mol
INV STATUS CUSTOM SYNTHESIS

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