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 Cabozantinib Carboxylic Acid
N-Nitroso Cabozantinib Carboxylic Acid
CAT No SRC-N0143123
CAS No NA
Mol.F. C22H19N3O7
Mol.Wt. 437.41 g/mole
INV STATUS CUSTOM SYNTHESIS
N-Nitroso Cabozantinib Des Fluoro Impurity
N-Nitroso Cabozantinib Des Fluoro Impurity
CAT No SRC-N0143124
CAS No NA
Mol.F. C28H24N4O6
Mol.Wt. 512.52 g/mole
INV STATUS CUSTOM SYNTHESIS
N-Nitroso Cabozantinib Dimer Impurity
N-Nitroso Cabozantinib Dimer Impurity
CAT No SRC-N0143125
CAS No NA
Mol.F. C36H29N5O9
Mol.Wt. 675.65 g/mole
INV STATUS CUSTOM SYNTHESIS
N-Nitroso Cabozantinib Hydroxy Impurity
N-Nitroso Cabozantinib Hydroxy Impurity
CAT No SRC-N0143126
CAS No NA
Mol.F. C17H14FN3O4
Mol.Wt. 343.31g/mole
INV STATUS CUSTOM SYNTHESIS
N-Nitroso Cabozantinib Methyl Ester Analog
N-Nitroso Cabozantinib Methyl Ester Analog
CAT No SRC-N0143127
CAS No NA
Mol.F. C23H21N3O7
Mol.Wt. 451.44 g/mole
INV STATUS CUSTOM SYNTHESIS
N-Nitroso Cabozantinib N-oxide
N-Nitroso Cabozantinib N-oxide
CAT No SRC-N0143128
CAS No NA
Mol.F. C28H23FN4O7
Mol.Wt. 546.31 g/mole
INV STATUS CUSTOM SYNTHESIS
N-Nitroso Cabozantinib Chloro Impurity
N-Nitroso Cabozantinib Chloro Impurity
CAT No SRC-N0143129
CAS No NA
Mol.F. C28H23ClN4O6
Mol.Wt. 520.93 g/mole
INV STATUS CUSTOM SYNTHESIS
N-Nitroso Didesfluoro Nebivolol
N-Nitroso Didesfluoro Nebivolol
CAT No SRC-N0143130
CAS No NA
Mol.F. C22H26N2O5
Mol.Wt. 398.46 g/mole
INV STATUS CUSTOM SYNTHESIS
N-Nitroso Nebivolol EP Impurity A
N-Nitroso Nebivolol EP Impurity A
CAT No SRC-N0143131
CAS No NA
Mol.F. C22H25FN2O5
Mol.Wt. 416.45 g/mole
INV STATUS CUSTOM SYNTHESIS
N-Nitroso Nebivolol EP Impurity B
N-Nitroso Nebivolol EP Impurity B
CAT No SRC-N0143132
CAS No NA
Mol.F. C22H24F2N2O5
Mol.Wt. 434.44 g/mole
INV STATUS CUSTOM SYNTHESIS

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