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

Atazanavir Nitroso D6 Impurity (Possibility 2)
Atazanavir Nitroso D6 Impurity (Possibility 2)
CAT No SRC-N0143603
CAS No NA
Mol.F. C8H7D6N3OS
Mol.Wt. 205.3 g/mole
INV STATUS CUSTOM SYNTHESIS
N-Nitroso Atomoxetine D3
N-Nitroso Atomoxetine D3
CAT No SRC-N0143604
CAS No NA
Mol.F. C17H17D3N2O2
Mol.Wt. 287.4 g/mole
INV STATUS CUSTOM SYNTHESIS
N-Nitroso Bleomycin B2
N-Nitroso Bleomycin B2
CAT No SRC-N0143605
CAS No NA
Mol.F. C55H83N21O22S2
Mol.Wt. 1454.5 g/mole
INV STATUS CUSTOM SYNTHESIS
N-Nitroso Bleomycin A2
N-Nitroso Bleomycin A2
CAT No SRC-N0143606
CAS No NA
Mol.F. C55H83N18O22S3
Mol.Wt. 1444.6 g/mole
INV STATUS CUSTOM SYNTHESIS
N-Nitroso Amine impurity
N-Nitroso Amine impurity
CAT No SRC-N0143607
CAS No NA
Mol.F. C14H15N3O2
Mol.Wt. 257.3 g/mole
INV STATUS CUSTOM SYNTHESIS
N-Nitroso Desmethyl Zavegepant
N-Nitroso Desmethyl Zavegepant
CAT No SRC-N0143608
CAS No NA
Mol.F. C35H43N9O4
Mol.Wt. 653.8 g/mole
INV STATUS CUSTOM SYNTHESIS
N-Nitroso Zavegepant Impurity 1
N-Nitroso Zavegepant Impurity 1
CAT No SRC-N0143609
CAS No NA
Mol.F. C10H20N4O
Mol.Wt. 212.3 g/mole
INV STATUS CUSTOM SYNTHESIS
N-Nitroso Viloxazine D4
N-Nitroso Viloxazine D4
CAT No SRC-N0143610
CAS No NA
Mol.F. C13H14D4N2O4
Mol.Wt. 270.3 g/mole
INV STATUS CUSTOM SYNTHESIS
N-Nitroso Viloxazine D5
N-Nitroso Viloxazine D5
CAT No SRC-N0143611
CAS No NA
Mol.F. C13H13D5N2O4
Mol.Wt. 271.3 g/mole
INV STATUS CUSTOM SYNTHESIS
N-Nitroso Viloxazine D9
N-Nitroso Viloxazine D9
CAT No SRC-N0143612
CAS No NA
Mol.F. C13H9D9N2O4
Mol.Wt. 275.4 g/mole
INV STATUS CUSTOM SYNTHESIS
N-Nitroso Vancomycin EP Impurity C
N-Nitroso Vancomycin EP Impurity C
CAT No SRC-N0143613
CAS No NA
Mol.F. C53H51Cl2N9O18
Mol.Wt. 1172.9g/mole
INV STATUS IN STOCK
N-Nitroso Vancomycin EP Impurity D
N-Nitroso Vancomycin EP Impurity D
CAT No SRC-N0143614
CAS No NA
Mol.F. C59H61Cl2N9O23
Mol.Wt. 1335.1 g/mole
INV STATUS CUSTOM SYNTHESIS
Vildagliptin Carboxylic Acid Methyl Ester Nitroso Impurity
Vildagliptin Carboxylic Acid Methyl Ester Nitroso Impurity
CAT No SRC-N0143615
CAS No NA
Mol.F. C18H27N3O5
Mol.Wt. 365.4g/mole
INV STATUS CUSTOM SYNTHESIS
Vildagliptin Nitroso Impurity 7
Vildagliptin Nitroso Impurity 7
CAT No SRC-N0143616
CAS No NA
Mol.F. C5H7N3O
Mol.Wt. 125.1g/mole
INV STATUS CUSTOM SYNTHESIS
N-Nitroso Analogue Of Vildagliptin Carboxylic Acid Impurity
N-Nitroso Analogue Of Vildagliptin Carboxylic Acid Impurity
CAT No SRC-N0143617
CAS No NA
Mol.F. C17H25N3O5
Mol.Wt. 351.4 g/mole
INV STATUS CUSTOM SYNTHESIS
N-Nitroso Vildagliptin D2
N-Nitroso Vildagliptin D2
CAT No SRC-N0143618
CAS No NA
Mol.F. C17H22D2N4O3
Mol.Wt. 334.4 g/mole
INV STATUS CUSTOM SYNTHESIS

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