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

Acalabrutinib Nitroso Impurity 4
Acalabrutinib Nitroso Impurity 4
CAT No SRC-N0143363
CAS No NA
Mol.F. C10H9BrClN5O
Mol.Wt. 330.6 g/mole
INV STATUS UNDER SYNTHESIS
Acalabrutinib Nitroso Impurity 5
Acalabrutinib Nitroso Impurity 5
CAT No SRC-N0143364
CAS No NA
Mol.F. C10H10ClN5O
Mol.Wt. 251.7 g/mole
INV STATUS CUSTOM SYNTHESIS
Acalabrutinib Nitroso Impurity 6
Acalabrutinib Nitroso Impurity 6
CAT No SRC-N0143365
CAS No NA
Mol.F. C10H12ClN5O2
Mol.Wt. 269.7 g/mole
INV STATUS OUT OF STOCK
Methylpropylnitrosamine
Methylpropylnitrosamine
CAT No SRC-N0143366
CAS No 924-46-9
Mol.F. C4H10N2O
Mol.Wt. 102.1 g/mole
INV STATUS IN STOCK
N-Nitroso Bevantolol
N-Nitroso Bevantolol
CAT No SRC-N0143367
CAS No NA
Mol.F. C20H26N2O5
Mol.Wt. 374.4 g/mole
INV STATUS IN STOCK
N-Nitroso Vortioxetine Impurity 1
N-Nitroso Vortioxetine Impurity 1
CAT No SRC-N0143368
CAS No NA
Mol.F. C18H21N3OS
Mol.Wt. 327.4 g/mole
INV STATUS CUSTOM SYNTHESIS
N-Nitroso Nirogacestat Impurity 2
N-Nitroso Nirogacestat Impurity 2
CAT No SRC-N0143369
CAS No NA
Mol.F. C15H18ClFN2O3
Mol.Wt. 328.77 g/mole
INV STATUS UNDER SYNTHESIS
N-Nitroso Nirogacestat Impurity 3
N-Nitroso Nirogacestat Impurity 3
CAT No SRC-N0143370
CAS No NA
Mol.F. C12H23N5O
Mol.Wt. 253.35 g/mole
INV STATUS CUSTOM SYNTHESIS
N-Nitroso Nirogacestat Impurity 8
N-Nitroso Nirogacestat Impurity 8
CAT No SRC-N0143371
CAS No NA
Mol.F. C27H40ClFN6O2
Mol.Wt. 535.11g/mole
INV STATUS CUSTOM SYNTHESIS
N-Nitroso Nirogacestat Impurity 9
N-Nitroso Nirogacestat Impurity 9
CAT No SRC-N0143372
CAS No NA
Mol.F. C27H40ClFN6O2
Mol.Wt. 535.11g/mole
INV STATUS CUSTOM SYNTHESIS
2,2-dimethyl-N-[2-methyl-2-(4-nitro-1H-imidazol-1-yl)propyl]-N-nitrosopropan-1-amine
2,2-dimethyl-N-[2-methyl-2-(4-nitro-1H-imidazol-1-yl)propyl]-N-nitrosopropan-1-amine
CAT No SRC-N0143373
CAS No NA
Mol.F. C12H21N5O3
Mol.Wt. 283.33 g/mol
INV STATUS CUSTOM SYNTHESIS
(2S)-2-{[(2S)-6,8-difluoro-1,2,3,4-tetrahydronaphthalen-2-yl](nitroso)amino}pentanoic acid
(2S)-2-{[(2S)-6,8-difluoro-1,2,3,4-tetrahydronaphthalen-2-yl](nitroso)amino}pentanoic acid
CAT No SRC-N0143374
CAS No NA
Mol.F. C15H18F2N2O3
Mol.Wt. 312.32 g/mole
INV STATUS CUSTOM SYNTHESIS
N-Nitroso N-Desethyl-N-Methyl Vardenafil
N-Nitroso N-Desethyl-N-Methyl Vardenafil
CAT No SRC-N0143375
CAS No NA
Mol.F. C21H27N7O5S
Mol.Wt. 489.55 g/mole
INV STATUS CUSTOM SYNTHESIS
N-Nitroso Vardenafil Dessulfonyl Impurity
N-Nitroso Vardenafil Dessulfonyl Impurity
CAT No SRC-N0143376
CAS No NA
Mol.F. C17H19N5O3
Mol.Wt. 341.37 g/mole
INV STATUS CUSTOM SYNTHESIS
N-Nitroso Vardenafil EP Impurity A
N-Nitroso Vardenafil EP Impurity A
CAT No SRC-N0143377
CAS No NA
Mol.F. C21H27N7O5S
Mol.Wt. 489.55 g/mole
INV STATUS CUSTOM SYNTHESIS
N-Nitroso Vardenafil EP Impurity B
N-Nitroso Vardenafil EP Impurity B
CAT No SRC-N0143378
CAS No NA
Mol.F. C17H19N5O6S
Mol.Wt. 421.43 g/mole
INV STATUS CUSTOM SYNTHESIS

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