Molnupiravir Related Compounds & Impurities

Molnupiravir is a ribonucleoside prodrug that introduces copying errors during viral RNA replication, developed as an oral antiviral for COVID-19.

Simson Pharma Limited along with its subsidiary offices Simson Pharma Global Ltd. (UK) and Simson Pharma Global LLC (USA) is a trusted manufacturer and supplier of high-quality pharmaceutical reference standards, offering a comprehensive portfolio of Molnupiravir reference standards, pharmacopeial and non-pharmacopeial Molnupiravir impurities, related compounds, related substances, metabolites, stable isotope-labelled compounds, deuterium labelled compounds and nitrosamine (N-NO) reference standards.

These materials support pharmaceutical research and development, product development, ANDA and DMF submissions, quality control (QC), analytical method development and validation, stability studies, impurity identification, and genotoxic impurity assessment.

Our Molnupiravir-related reference standards are thoroughly characterized using advanced analytical techniques and are supplied with comprehensive Certificates of Analysis (COA) and supporting analytical data from our USFDA certified, ISO 17025 and ISO 17034 accredited Lab, to meet global regulatory expectations. EP and USP traceable reference standards can also be provided upon request, subject to availability. Simson is also a provider of EP and USP traceable standards. To ensure consistent quality and reliability, our reference standards are periodically re-tested according to established quality management procedures.

Pharmaceutical Reference Standards / Impurity Standards

Molnupiravir
Molnupiravir
  • CAT. No.M1320000
  • CAS. No.2492423-29-5
  • Mol. F.C13H19N3O7
  • Mol. W.329.31 g/mol
  • Stock Status:Instock
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Molnupiravir Dimethyl Dioxol Impurity
Molnupiravir Dimethyl Dioxol Impurity
  • CAT. No.M1320001
  • CAS. No.2346620-55-9
  • Mol. F.C16H23N3O7
  • Mol. W.369.37 g/mol
  • Stock Status:Instock
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2`,3`-Isopropylidenecytidine Sulfate
2`,3`-Isopropylidenecytidine Sulfate
  • CAT. No.M1320002
  • CAS. No.1955522-00-5
  • Mol. F.C12H19N3O9S
  • Mol. W.381.36 g/mol
  • Stock Status:Instock
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N-hydroxycytidine
N-hydroxycytidine
  • CAT. No.M1320003
  • CAS. No.3258-02-4
  • Mol. F.C9H13N3O6
  • Mol. W.259.22 g/mol
  • Stock Status:Instock
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Molnupiravir Impurity C
Molnupiravir Impurity C
  • CAT. No.M1320004
  • CAS. No.NA
  • Mol. F.C13H18N2O7
  • Mol. W.314.29 g/mol
  • Stock Status:Instock
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Cytidine acetonide ester
Cytidine acetonide ester
  • CAT. No.M1320006
  • CAS. No.1686124-74-2
  • Mol. F.C16H23N3O6
  • Mol. W.353.37 g/mol
  • Stock Status:Instock
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Molnupiravir Impurity E
Molnupiravir Impurity E
  • CAT. No.M1320008
  • CAS. No.NA
  • Mol. F.C12H17N3O5
  • Mol. W.283.28 g/mol
  • Stock Status:Instock
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Molnupiravir Impurity 2
Molnupiravir Impurity 2
  • CAT. No.M1320009
  • CAS. No.1686124-74-2
  • Mol. F.C16H23N3O6
  • Mol. W.353.37 g/mol
  • Stock Status:Instock
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Molnupiravir Dimethyl Dioxol Impurity
Molnupiravir Dimethyl Dioxol Impurity
  • CAT. No.M1320010
  • CAS. No.2346620-55-9
  • Mol. F.C16H23N3O7
  • Mol. W.369.40 g/mol
  • Stock Status:Instock
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Molnupiravir Impurity D
Molnupiravir Impurity D
  • CAT. No.M1320011
  • CAS. No.NA
  • Mol. F.C9H13N3O5
  • Mol. W.243.22 g/mol
  • Stock Status:Custom Synthesis
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Molnupiravir Impurity B
Molnupiravir Impurity B
  • CAT. No.M1320012
  • CAS. No.NA
  • Mol. F.C9H13N3O6
  • Mol. W.259.22 g/mol
  • Stock Status:Instock
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Molnupiravir Impurity 15
Molnupiravir Impurity 15
  • CAT. No.M1320013
  • CAS. No.2346619-88-1
  • Mol. F.C21H31N3O9
  • Mol. W.469.49 g/mol
  • Stock Status:Limited Stock
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Molnupiravir Impurity 17
Molnupiravir Impurity 17
  • CAT. No.M1320014
  • CAS. No.2346620-53-7
  • Mol. F.C16H22N2O7
  • Mol. W.354.36 g/mol
  • Stock Status:Custom Synthesis
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Molnupiravir Impurity 12
Molnupiravir Impurity 12
  • CAT. No.M1320015
  • CAS. No.2346620-54-8
  • Mol. F.C18H23N5O6
  • Mol. W.405.41 g/mol
  • Stock Status:Instock
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Molnupiravir Impurity 13
Molnupiravir Impurity 13
  • CAT. No.M1320016
  • CAS. No.886538-46-1
  • Mol. F.C13H19N3O6
  • Mol. W.313.31 g/mol
  • Stock Status:Instock
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Molnupiravir Acetyl Impurity
Molnupiravir Acetyl Impurity
  • CAT. No.M1320018
  • CAS. No.29569-30-0
  • Mol. F.C11H15N3O7
  • Mol. W.301.25 g/mol
  • Stock Status:Custom Synthesis
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Molnupiravir Acetyl Impurity
Molnupiravir Acetyl Impurity
  • CAT. No.M1320019
  • CAS. No.NA
  • Mol. F.C11H15N3O7
  • Mol. W.301.25 g/mol
  • Stock Status:Instock
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Molnupiravir Impurity 6
Molnupiravir Impurity 6
  • CAT. No.M1320020
  • CAS. No.402725-23-9
  • Mol. F.C9H13N3O6
  • Mol. W.259.22 g/mol
  • Stock Status:Custom Synthesis
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Molnupiravir Enantiomer Impurity
Molnupiravir Enantiomer Impurity
  • CAT. No.M1320021
  • CAS. No.NA
  • Mol. F.C13H19N3O7
  • Mol. W.329.31 g/mol
  • Stock Status:Custom Synthesis
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Molnupiravir Impurity 11
Molnupiravir Impurity 11
  • CAT. No.M1320022
  • CAS. No.NA
  • Mol. F.C12H16N2O6
  • Mol. W.284.27 g/mol
  • Stock Status:Custom Synthesis
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Molnupiravir Impurity 1
Molnupiravir Impurity 1
  • CAT. No.M1320023
  • CAS. No.886538-48-3
  • Mol. F.C13H18N2O7
  • Mol. W.314.29 g/mol
  • Stock Status:Instock
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N-Butyl Molnupiravir
N-Butyl Molnupiravir
  • CAT. No.M1320024
  • CAS. No.2770244-32-9
  • Mol. F.C13H19N3O7
  • Mol. W.329.31 g/mol
  • Stock Status:Instock
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N-hydroxy-6-(hydroxyamino)-2`,3`-O-(1-methylethylidene)-5`-O-(2-methylpropanoyl)-5,6-dihydrocytidine
N-hydroxy-6-(hydroxyamino)-2`,3`-O-(1-methylethylidene)-5`-O-(2-methylpropanoyl)-5,6-dihydrocytidine
  • CAT. No.M1320025
  • CAS. No.NA
  • Mol. F.C16H26N4O8
  • Mol. W.402.40 g/mol
  • Stock Status:Custom Synthesis
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Molnupiravir IP Impurity J
Molnupiravir IP Impurity J
  • CAT. No.M1320026
  • CAS. No.NA
  • Mol. F.C12H17N3O7
  • Mol. W.315.28 g/mol
  • Stock Status:Custom Synthesis
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Molnupiravir Impurity 3
Molnupiravir Impurity 3
  • CAT. No.M1320027
  • CAS. No.13491-41-3
  • Mol. F.C9H13N3O6
  • Mol. W.259.20 g/mol
  • Stock Status:Custom Synthesis
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Molnupiravir Impurity 4
Molnupiravir Impurity 4
  • CAT. No.M1320028
  • CAS. No.362-42-5
  • Mol. F.C12H17N3O5
  • Mol. W.283.28 g/mol
  • Stock Status:Instock
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Molnupiravir Impurity 5
Molnupiravir Impurity 5
  • CAT. No.M1320029
  • CAS. No.2492423-30-8
  • Mol. F.C13H19N3O7
  • Mol. W.329.31 g/mol
  • Stock Status:Custom Synthesis
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Metabolites

[13C,15N2]-N4-Hydroxycytidine
[13C,15N2]-N4-Hydroxycytidine
  • CAT. No.M1320007
  • CAS. No.3258-02-4(Unlabeled)
  • Mol. F.C813CH13N15N2O6
  • Mol. W.262.20 g/mol
  • Stock Status:Limited Stock
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Isotope Labelled Compounds

Molnupiravir 13C15N2
Molnupiravir 13C15N2
  • CAT. No.M1320005
  • CAS. No.NA
  • Mol. F.C1213CH19N15N2O7
  • Mol. W.332.29 g/mol
  • Stock Status:Limited Stock
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Molnupiravir D7
Molnupiravir D7
  • CAT. No.M1320017
  • CAS. No.NA
  • Mol. F.C13H12D7N3O7
  • Mol. W.336.35 g/mol
  • Stock Status:Custom Synthesis
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