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 Dihydrostreptomycin Sulfate EP Impurity D
N-Nitroso Dihydrostreptomycin Sulfate EP Impurity D
CAT No SRC-N0143872
CAS No NA
Mol.F. C21H40N8O12
Mol.Wt. 596.60 g/mole
INV STATUS CUSTOM SYNTHESIS
N-Nitroso Desmethyl Dextromethorphan D3
N-Nitroso Desmethyl Dextromethorphan D3
CAT No SRC-N0143873
CAS No NA
Mol.F. C17H19D3N2O2
Mol.Wt. 289.4 g/mole
INV STATUS CUSTOM SYNTHESIS
N-Nitroso ethylamphetamine
N-Nitroso ethylamphetamine
CAT No SRC-N0143874
CAS No 19023-41-7
Mol.F. C11H16N2O
Mol.Wt. 192.3 g/mole
INV STATUS CUSTOM SYNTHESIS
N-Nitroso N-Desmethyl Denaverine
N-Nitroso N-Desmethyl Denaverine
CAT No SRC-N0143875
CAS No NA
Mol.F. C23H30N2O4
Mol.Wt. 398.5 g/mole
INV STATUS CUSTOM SYNTHESIS
Erythromycin Nitroso Impurity 1
Erythromycin Nitroso Impurity 1
CAT No SRC-N0143876
CAS No NA
Mol.F. C36H62N2O13
Mol.Wt. 730.9 g/mole
INV STATUS CUSTOM SYNTHESIS
N-Nitroso N desmethyl Erythromycin Oxime Impuriy
N-Nitroso N desmethyl Erythromycin Oxime Impuriy
CAT No SRC-N0143877
CAS No NA
Mol.F. C36H65N3O14
Mol.Wt. 763.9 g/mole
INV STATUS CUSTOM SYNTHESIS
N-Nitroso Erythromycin EP Impurity B
N-Nitroso Erythromycin EP Impurity B
CAT No SRC-N0143878
CAS No NA
Mol.F. C36H64N2O14
Mol.Wt. 748.9 g/mole
INV STATUS CUSTOM SYNTHESIS
Deoxy Epinephrine Nitroso Impurity
Deoxy Epinephrine Nitroso Impurity
CAT No SRC-N0143879
CAS No NA
Mol.F. C9H12N2O3
Mol.Wt. 196.2 g/mole
INV STATUS CUSTOM SYNTHESIS
Eltrombopag Nitroso Impurity 4
Eltrombopag Nitroso Impurity 4
CAT No SRC-N0143880
CAS No NA
Mol.F. C25H21N5O5
Mol.Wt. 471.5 g/mole
INV STATUS CUSTOM SYNTHESIS
N-Nitroso Eltrombopag Methoxy Impurity
N-Nitroso Eltrombopag  Methoxy Impurity
CAT No SRC-N0143881
CAS No NA
Mol.F. C28H28N6O5
Mol.Wt. 528.57g/mole
INV STATUS CUSTOM SYNTHESIS
N-Nitroso Eltrombopag Pyrazole Impurity
N-Nitroso Eltrombopag  Pyrazole Impurity
CAT No SRC-N0143882
CAS No NA
Mol.F. C12H13N3O2
Mol.Wt. 231.26 g/mole
INV STATUS CUSTOM SYNTHESIS
N-Nitroso N-Desmethyl Nizatidine
N-Nitroso N-Desmethyl Nizatidine
CAT No SRC-N0143883
CAS No NA
Mol.F. C11H18N6O3S2
Mol.Wt. 346.4 g/mole
INV STATUS CUSTOM SYNTHESIS
N-Nitroso Nizatidine EP Impurity A
N-Nitroso Nizatidine EP Impurity A
CAT No SRC-N0143884
CAS No NA
Mol.F. C4H8N4O3
Mol.Wt. 160.13 g/mole
INV STATUS CUSTOM SYNTHESIS
N-Nitroso Nizatidine EP Impurity B
N-Nitroso Nizatidine EP Impurity B
CAT No SRC-N0143885
CAS No NA
Mol.F. C4H7N3O3S
Mol.Wt. 177.18 g/mole
INV STATUS CUSTOM SYNTHESIS
N-Nitroso Nizatidine EP Impurity C
N-Nitroso Nizatidine EP Impurity C
CAT No SRC-N0143886
CAS No NA
Mol.F. C12H20N6O4S2
Mol.Wt. 376.45 g/mole
INV STATUS CUSTOM SYNTHESIS
N-Nitroso Nizatidine EP Impurity E
N-Nitroso Nizatidine EP Impurity E
CAT No SRC-N0143887
CAS No NA
Mol.F. C11H17N5O4S2
Mol.Wt. 347.41 g/mole
INV STATUS CUSTOM SYNTHESIS

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