Explore our comprehensive catalog of impurities, reference standards & specialty compounds tailored for pharmaceutical, biotechnology, and research applications. Each product is supplied with detailed specifications, including the CAS number, molecular formula, molecular weight, and nomenclature.
With high purity and reliable analytical data, our compounds support drug development, diagnostics, and academic research, ensuring accuracy and consistency in every project.

CAS
N/AN-Nitroso Riociguat Impurity 6
Weight
393.39
CAS
N/AN-Nitroso Risdiplam
Weight
430.47
CAS
2416230-38-9N-Nitroso Risperidone EP Impurity M
Weight
249.25
CAS
N/AN-Nitroso Risperidone EP Impurity M-d9
Weight
258.3
CAS
N/AN-Nitroso Ritalinic Acid
Weight
248.28
CAS
N/AN-Nitroso Ritalinic Acid-d5
Weight
253.31
CAS
N/AN-Nitroso Rivaroxaban
Weight
464.88
CAS
N/AN-Nitroso Rivaroxaban Impurity 14
Weight
482.89
CAS
N/AN-Nitroso Rivaroxaban Impurity 27
Weight
424.41
CAS
N/AN-Nitroso Rivaroxaban Impurity 50
Weight
424.41
CAS
N/AN-Nitroso Rivaroxaban Impurity 87
Weight
438.88
CAS
N/AN-Nitroso Rivastigmine Hydrogen Tartrate EP Impurity E
Weight
265.31
CAS
N/AN-Nitroso Rizatriptan
Weight
298.35
CAS
N/AN-Nitroso Rolapitant
Weight
529.48
CAS
N/AN-Nitroso Rosuvastatin Impurity 105
Weight
496.51
CAS
N/AN-Nitroso Ruxolitinib
Weight
335.37
CAS
N/AN-Nitroso Ruxolitinib Impurity 4
Weight
344.45
CAS
N/AN-Nitroso Ruxolitinib Impurity 6
Weight
353.39
CAS
1133-64-8N-Nitroso (S)-Anabasine
Weight
191.23
CAS
N/AN-Nitroso (S)-Candesartan Cilexetil
Weight
639.67
CAS
N/AN-Nitroso (S)-Citalopram EP Impurity D
Weight
339.37