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 Vardenafil EP Impurity C
N-Nitroso Vardenafil EP Impurity C
CAT No SRC-N0143379
CAS No NA
Mol.F. C38H45N11O9S2
Mol.Wt. 863.97 g/mole
INV STATUS CUSTOM SYNTHESIS
N-Nitroso Vardenafil USP Related Compound D
N-Nitroso Vardenafil USP Related Compound D
CAT No SRC-N0143380
CAS No NA
Mol.F. C23H31N7O6S
Mol.Wt. 533.60 g/mole
INV STATUS CUSTOM SYNTHESIS
N-Nitroso Vardenafil Related Compound E
N-Nitroso Vardenafil Related Compound E
CAT No SRC-N0143381
CAS No NA
Mol.F. C21H27N7O5S
Mol.Wt. 489.55 g/mole
INV STATUS IN STOCK
N-Nitroso Acetyl Vardenafil
N-Nitroso Acetyl Vardenafil
CAT No SRC-N0143382
CAS No NA
Mol.F. C25H33N7O4
Mol.Wt. 495.58 g/mole
INV STATUS CUSTOM SYNTHESIS
N-Nitroso Vardenafil Carboxylic Acid Impurity
N-Nitroso Vardenafil Carboxylic Acid Impurity
CAT No SRC-N0143383
CAS No NA
Mol.F. C18H19N5O5
Mol.Wt. 385.38 g/mole
INV STATUS CUSTOM SYNTHESIS
N-Nitroso Vardenafil Hydroxy Impurity
N-Nitroso Vardenafil Hydroxy Impurity
CAT No SRC-N0143384
CAS No NA
Mol.F. C23H31N7O6S
Mol.Wt. 533.60 g/mole
INV STATUS CUSTOM SYNTHESIS
N-Nitroso Vardenafil Oxopiperazine
N-Nitroso Vardenafil Oxopiperazine
CAT No SRC-N0143385
CAS No NA
Mol.F. C21H25N7O6S
Mol.Wt. 503.53 g/mole
INV STATUS CUSTOM SYNTHESIS
N-Nitroso Vardenafil Impurity 1
N-Nitroso Vardenafil Impurity 1
CAT No SRC-N0143386
CAS No NA
Mol.F. C17H17N5O5
Mol.Wt. 371.35 g/mole
INV STATUS CUSTOM SYNTHESIS
N-Nitroso Vardenafil Impurity 2
N-Nitroso Vardenafil Impurity 2
CAT No SRC-N0143387
CAS No NA
Mol.F. C23H29N7O7S
Mol.Wt. 547.59 g/mole
INV STATUS CUSTOM SYNTHESIS
N-Nitroso Vardenafil Impurity 4
N-Nitroso Vardenafil Impurity 4
CAT No SRC-N0143388
CAS No NA
Mol.F. C21H25N7O8S
Mol.Wt. 535.53 g/mole
INV STATUS CUSTOM SYNTHESIS
N-Nitroso Vardenafil Impurity 5
N-Nitroso Vardenafil Impurity 5
CAT No SRC-N0143389
CAS No NA
Mol.F. C17H21N5O4
Mol.Wt. 359.39 g/mole
INV STATUS CUSTOM SYNTHESIS
N-Nitroso Vardenafil Impurity 6
N-Nitroso Vardenafil Impurity 6
CAT No SRC-N0143390
CAS No NA
Mol.F. C25H33N7O2S2
Mol.Wt. 527.71 g/mole
INV STATUS CUSTOM SYNTHESIS
N-Nitroso Vardenafil Impurity 7
N-Nitroso Vardenafil Impurity 7
CAT No SRC-N0143391
CAS No NA
Mol.F. C6H13N3O
Mol.Wt. 143.19 g/mole
INV STATUS CUSTOM SYNTHESIS
N-Nitroso Vardenafil Impurity 9
N-Nitroso Vardenafil Impurity 9
CAT No SRC-N0143392
CAS No NA
Mol.F. C16H16N4O4
Mol.Wt. 367.33 g/mole
INV STATUS CUSTOM SYNTHESIS
Esmolol Nitroso Impurity 1
Esmolol Nitroso Impurity 1
CAT No SRC-N0143393
CAS No NA
Mol.F. C31H45N3O8
Mol.Wt. 587.7 g/mole
INV STATUS IN STOCK
N-Nitroso Flufenamic Acid | N-Nitroso Etofenamate EP Impurity A
N-Nitroso Flufenamic Acid | N-Nitroso Etofenamate EP Impurity A
CAT No SRC-N0143394
CAS No 23595-00-8
Mol.F. C14H9F3N2O3
Mol.Wt. 310.2 g/mole
INV STATUS UNDER SYNTHESIS

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