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-N-Methyl-4-Aminobutyric Acid-d3
N-Nitroso-N-Methyl-4-Aminobutyric Acid-d3
CAT No SRC-N0143635
CAS No 1184996-41-5
Mol.F. C5H7D3N2O3
Mol.Wt. 149.2 g/mole
INV STATUS CUSTOM SYNTHESIS
N-Nitroso Ethyl Isopropyl Amine-d12
N-Nitroso Ethyl Isopropyl Amine-d12
CAT No SRC-N0143636
CAS No NA
Mol.F. C5D12N2O
Mol.Wt. 128.2 g/mole
INV STATUS CUSTOM SYNTHESIS
N-Nitroso Sitagliptin D4
N-Nitroso Sitagliptin D4
CAT No SRC-N0143637
CAS No NA
Mol.F. C6H2D4F3N5O
Mol.Wt. 225.2 g/mole
INV STATUS CUSTOM SYNTHESIS
Sulpiride Nitroso Impurity 1
Sulpiride Nitroso Impurity 1
CAT No SRC-N0143638
CAS No NA
Mol.F. C13H18N4O5S
Mol.Wt. 342.4 g/mole
INV STATUS IN STOCK
N-Nitroso Sacubitril Impurity 1
N-Nitroso Sacubitril Impurity 1
CAT No SRC-N0143639
CAS No NA
Mol.F. C18H18N2O2
Mol.Wt. 294.4 g/mole
INV STATUS CUSTOM SYNTHESIS
Succinylcholine Nitroso Impurity 2
Succinylcholine Nitroso Impurity 2
CAT No SRC-N0143640
CAS No NA
Mol.F. C7H12N2O5
Mol.Wt. 204.2 g/mole
INV STATUS CUSTOM SYNTHESIS
2-(dimethylamino)ethyl (2-(methyl(nitroso)amino)ethyl) succinate
2-(dimethylamino)ethyl (2-(methyl(nitroso)amino)ethyl) succinate
CAT No SRC-N0143641
CAS No NA
Mol.F. C11H21N3O5
Mol.Wt. 275.31 g/mole
INV STATUS CUSTOM SYNTHESIS
N-Nitroso Tafenoquine
N-Nitroso Tafenoquine
CAT No SRC-N0143642
CAS No NA
Mol.F. C24H27F3N4O4
Mol.Wt. 492.50 g/mole
INV STATUS CUSTOM SYNTHESIS
Lasmiditan Nitroso Impurity 1
 Lasmiditan Nitroso Impurity 1
CAT No SRC-N0143643
CAS No NA
Mol.F. C11H14N4O2
Mol.Wt. 234.26 g/mole
INV STATUS CUSTOM SYNTHESIS
Lasmiditan Nitroso Impurity 2
Lasmiditan Nitroso Impurity 2
CAT No SRC-N0143644
CAS No NA
Mol.F. C18H15F3N4O3
Mol.Wt. 392.33 g/mol
INV STATUS CUSTOM SYNTHESIS
N-Nitroso Oxetacaine Stage D | N-methyl-N-(2-methyl-1-phenylpropan-2-yl)nitrous amide
N-Nitroso Oxetacaine Stage D | N-methyl-N-(2-methyl-1-phenylpropan-2-yl)nitrous amide
CAT No SRC-N0143645
CAS No NA
Mol.F. C11H16N2O3
Mol.Wt. 192.26 g/mole
INV STATUS CUSTOM SYNTHESIS
N-Nitroso Oxatomide
N-Nitroso Oxatomide
CAT No SRC-N0143646
CAS No NA
Mol.F. C27H29N5O2
Mol.Wt. 455.56 g/mole
INV STATUS UNDER SYNTHESIS
N-Nitroso Oxatomide N-Oxide
N-Nitroso Oxatomide N-Oxide
CAT No SRC-N0143647
CAS No NA
Mol.F. C2729N5O3
Mol.Wt. 471.56 g/mole
INV STATUS CUSTOM SYNTHESIS
Cinnarizine Nitroso Impurity 1
Cinnarizine Nitroso Impurity 1
CAT No SRC-N0143648
CAS No NA
Mol.F. C14H19N5O2
Mol.Wt. 289.3 g/mole
INV STATUS UNDER SYNTHESIS
Tivozanib Nitroso Impurity 1
Tivozanib Nitroso Impurity 1
CAT No SRC-N0143649
CAS No NA
Mol.F. C28H23ClN4O6
Mol.Wt. 547 g/mole
INV STATUS CUSTOM SYNTHESIS
Fezolinetant Niroso Impurity 1
Fezolinetant Niroso Impurity 1
CAT No SRC-N0143650
CAS No NA
Mol.F. C9H11N7OS
Mol.Wt. 265.3 g/mole
INV STATUS CUSTOM SYNTHESIS

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