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 Sarcosine Ethyl Ester
N-Nitroso Sarcosine Ethyl Ester
CAT No SRC-N0141986
CAS No 13344-50-8
Mol.F. C5H10N2O3
Mol.Wt. 146.15 g/mol
INV STATUS CUSTOM SYNTHESIS
N-Nitroso Esmolol Acid
N-Nitroso Esmolol Acid
CAT No SRC-N0141987
CAS No NA
Mol.F. C₁₅H₂₂N₂O₅
Mol.Wt. 310.35 g/mol
INV STATUS IN STOCK
N-Nitroso-N-butyl-N-propylamine
N-Nitroso-N-butyl-N-propylamine
CAT No SRC-N0141988
CAS No 25413-64-3
Mol.F. C7H16N2O
Mol.Wt. 144.2 g/mol
INV STATUS IN STOCK
N-Nitroso Ropivacaine
N-Nitroso Ropivacaine
CAT No SRC-N0141989
CAS No NA
Mol.F. C17H25N3O2
Mol.Wt. 303.40 g/mol
INV STATUS CUSTOM SYNTHESIS
Nitrosodicyclopentylamine (NDCpa)
Nitrosodicyclopentylamine (NDCpa)
CAT No SRC-N0141990
CAS No 56420-30-5
Mol.F. C10H18N2O
Mol.Wt. 182.26 g/mol
INV STATUS IN STOCK
N-(4-hydroxy-4-(pyridin-3-yl)butyl)-N-methylnitrous amide (NNAL)
N-(4-hydroxy-4-(pyridin-3-yl)butyl)-N-methylnitrous amide (NNAL)
CAT No SRC-N0141991
CAS No NA
Mol.F. C10H15N3O2
Mol.Wt. 209.24 g/mol
INV STATUS CUSTOM SYNTHESIS
NNN (N'-nitrosonornicotine)
NNN (N'-nitrosonornicotine)
CAT No SRC-N0141992
CAS No 80508-23-2
Mol.F. C9H11N3O
Mol.Wt. 177.2 g/mol
INV STATUS CUSTOM SYNTHESIS
N-Nitroso-N-ethyl-N-cyclohexylamine
N-Nitroso-N-ethyl-N-cyclohexylamine
CAT No SRC-N0141993
CAS No NA
Mol.F. C8H16N2O
Mol.Wt. 156.23 g/mol
INV STATUS IN STOCK
Nitrofurantoin Nitroso Impurity 1
Nitrofurantoin Nitroso Impurity 1
CAT No SRC-N0141994
CAS No NA
Mol.F. C7H6N4O6
Mol.Wt. 242.1 g/mol
INV STATUS CUSTOM SYNTHESIS
1-amino-3-nitrosoimidazolidine-2,4-dione
1-amino-3-nitrosoimidazolidine-2,4-dione
CAT No SRC-N0141995
CAS No NA
Mol.F. C3H4N4O3
Mol.Wt. 144.09 g/mol
INV STATUS CUSTOM SYNTHESIS
4-Methylene-1-nitrosopiperidine
4-Methylene-1-nitrosopiperidine
CAT No SRC-N0141996
CAS No 3053220-60-0
Mol.F. C6H10N2O
Mol.Wt. 126.2 g/mol
INV STATUS IN STOCK
(4R)-N-Nitroso Thiazolidine-4-carboxylic Acid
(4R)-N-Nitroso Thiazolidine-4-carboxylic Acid
CAT No SRC-N0141997
CAS No 86594-16-3
Mol.F. C4H6N2O3S
Mol.Wt. 162.2 g/mol
INV STATUS CUSTOM SYNTHESIS
1-(Cyclopropylmethyl)-4-nitrosopiperazine
1-(Cyclopropylmethyl)-4-nitrosopiperazine
CAT No SRC-N0141998
CAS No NA
Mol.F. C8H15N3O
Mol.Wt. 169.2 g/mol
INV STATUS CUSTOM SYNTHESIS
1,7-Dinitroso-1,4,7,10-tetraazacyclododecane
1,7-Dinitroso-1,4,7,10-tetraazacyclododecane
CAT No SRC-N0141999
CAS No NA
Mol.F. C8H18N6O2
Mol.Wt. 230.3 g/mol
INV STATUS CUSTOM SYNTHESIS
1-Acetyl-4-nitrosopiperazine
1-Acetyl-4-nitrosopiperazine
CAT No SRC-N0142000
CAS No 73742-56-0
Mol.F. C6H11N3O2
Mol.Wt. 157.2g/mol
INV STATUS IN STOCK
1-Amyl-1-nitrosourea
1-Amyl-1-nitrosourea
CAT No SRC-N0142001
CAS No 10589-74-9
Mol.F. C6H13N3O2
Mol.Wt. 159.2 g/mol
INV STATUS CUSTOM SYNTHESIS

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