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

Famotidine Nitroso Impurity 1
Famotidine Nitroso Impurity 1
CAT No SRC-N014716
CAS No NA
Mol.F. C8H14N8O3S3
Mol.Wt. 366.4
INV STATUS CUSTOM SYNTHESIS
N-Nitroso Desmethyl Trimipramine
N-Nitroso Desmethyl Trimipramine
CAT No SRC-N014717
CAS No NA
Mol.F. C19H23N3O
Mol.Wt. 309.4
INV STATUS IN STOCK
Urapidil Nitroso Impurity 2
Urapidil Nitroso Impurity 2
CAT No SRC-N014718
CAS No 2219339-64-5
Mol.F. C11H15N3O2
Mol.Wt. 221.3
INV STATUS CUSTOM SYNTHESIS
N,N-bis(2-aminoethyl)nitrous amide
N,N-bis(2-aminoethyl)nitrous amide
CAT No SRC-N014719
CAS No 741659-46-1
Mol.F. C4H12N4O
Mol.Wt. 132.2
INV STATUS IN STOCK
Netarsudil Nitroso Impurity 1
Netarsudil Nitroso Impurity 1
CAT No SRC-N014720
CAS No 23351-96-4
Mol.F. C6H4N4O
Mol.Wt. 148.1
INV STATUS CUSTOM SYNTHESIS
N,N'-(ethane-1,2-diyl)bis(N-(2-aminoethyl)nitrous amide)
N,N'-(ethane-1,2-diyl)bis(N-(2-aminoethyl)nitrous amide)
CAT No SRC-N014721
CAS No NA
Mol.F. C6H16N6O2
Mol.Wt. 204.23
INV STATUS IN STOCK
(S)-(1-nitrosopyrrolidin-2-yl)diphenylmethanol
(S)-(1-nitrosopyrrolidin-2-yl)diphenylmethanol
CAT No SRC-N014722
CAS No NA
Mol.F. C17H18N2O2
Mol.Wt. 282.34
INV STATUS IN STOCK
NITROSO N-DEMETHYL ERYTHROMYCIN
NITROSO N-DEMETHYL ERYTHROMYCIN
CAT No SRC-N014723
CAS No NA
Mol.F. C36H64N2O14
Mol.Wt. 748.91 g/mol
INV STATUS IN STOCK
N-Nitroso Formoterol Amine
N-Nitroso Formoterol Amine
CAT No SRC-N014724
CAS No NA
Mol.F. C17H20N2O2
Mol.Wt. 284.4
INV STATUS IN STOCK
Praziquantel Nitroso Impurity 1
Praziquantel Nitroso Impurity 1
CAT No SRC-N014725
CAS No 115822-46-3
Mol.F. C12H13N3O2
Mol.Wt. 231.3
INV STATUS IN STOCK

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