Famciclovir Related Compounds & Impurities

Famciclovir is the oral prodrug of penciclovir, a guanosine analogue antiviral used for herpes zoster, genital herpes and recurrent herpes labialis.

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 Famciclovir reference standards, pharmacopeial and non-pharmacopeial Famciclovir 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 Famciclovir-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

Famciclovir
Famciclovir
  • CAT. No.F270000
  • CAS. No.104227-87-4
  • Mol. F.C14H19N5O4
  • Mol. W.321.33 g/mol
  • Stock Status:Instock
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Famciclovir Related Compound A
Famciclovir Related Compound A
  • CAT. No.F270001
  • CAS. No.104227-86-3
  • Mol. F.C10H15N5O2
  • Mol. W.237.20 g/mol
  • Stock Status:Instock
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6-Deoxypenciclovir Hydrochloride
6-Deoxypenciclovir Hydrochloride
  • CAT. No.F270001A
  • CAS. No.246021-75-0
  • Mol. F.C10H16ClN5O2
  • Mol. W.273.72 g/mol
  • Stock Status:Custom Synthesis
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Propionyl Famciclovir
Propionyl Famciclovir
  • CAT. No.F270002
  • CAS. No.NA
  • Mol. F.C15H21N5O4
  • Mol. W.335.36 g/mol
  • Stock Status:Instock
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Famciclovir Related Compound F
Famciclovir Related Compound F
  • CAT. No.F270003
  • CAS. No.10310-21-1
  • Mol. F.C5H4ClN5
  • Mol. W.169.57 g/mol
  • Stock Status:Instock
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Famciclovir N7-Isomer
Famciclovir N7-Isomer
  • CAT. No.F270004
  • CAS. No.131266-15-4
  • Mol. F.C14H19N5O4
  • Mol. W.321.33 g/mol
  • Stock Status:Instock
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Famciclovir N-Acetyl Impurity
Famciclovir N-Acetyl Impurity
  • CAT. No.F270005
  • CAS. No.NA
  • Mol. F.C16H21N5O5
  • Mol. W.363.37 g/mol
  • Stock Status:Instock
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Deoxychloro Famciclovir
Deoxychloro Famciclovir
  • CAT. No.F270006
  • CAS. No.NA
  • Mol. F.C12H16ClN5O2
  • Mol. W.297.75 g/mol
  • Stock Status:Instock
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Famciclovir Impurity 1
Famciclovir Impurity 1
  • CAT. No.F270007
  • CAS. No.97845-60-8
  • Mol. F.C14H18ClN5O4
  • Mol. W.355.80 g/mol
  • Stock Status:Instock
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Famciclovir Malonate
Famciclovir Malonate
  • CAT. No.F270008
  • CAS. No.122497-20-5
  • Mol. F.C12H15N5O4
  • Mol. W.293.28 g/mol
  • Stock Status:Custom Synthesis
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Famciclovir Methoxycarbonyl Analog
Famciclovir Methoxycarbonyl Analog
  • CAT. No.F270009
  • CAS. No.NA
  • Mol. F.C13H17N5O4
  • Mol. W.307.31 g/mol
  • Stock Status:Custom Synthesis
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Famciclovir Acetoxybutyl Aminopurin
Famciclovir Acetoxybutyl Aminopurin
  • CAT. No.F270010
  • CAS. No.NA
  • Mol. F.C11H15N5O2
  • Mol. W.249.27 g/mol
  • Stock Status:Custom Synthesis
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9-[4-Acetoxy-3-(mesyloxymethyl)But-1-yl]-2-aminopurine
9-[4-Acetoxy-3-(mesyloxymethyl)But-1-yl]-2-aminopurine
  • CAT. No.F270011
  • CAS. No.NA
  • Mol. F.C13H19N5O5S
  • Mol. W.357.39 g/mol
  • Stock Status:Custom Synthesis
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Famciclovir Related Compound B
Famciclovir Related Compound B
  • CAT. No.F270012
  • CAS. No.104227-88-5
  • Mol. F.C12H17N5O3
  • Mol. W.279.30 g/mol
  • Stock Status:Instock
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Famciclovir Related Compound C
Famciclovir Related Compound C
  • CAT. No.F270013
  • CAS. No.174155-70-5
  • Mol. F.C12H17N5O
  • Mol. W.263.30 g/mol
  • Stock Status:Instock
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6-Alkylamino Famciclovir
6-Alkylamino Famciclovir
  • CAT. No.F270015
  • CAS. No.NA
  • Mol. F.C23H34N6O8
  • Mol. W.522.55 g/mol
  • Stock Status:Instock
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6-Amino Derivative Famciclovir
6-Amino Derivative Famciclovir
  • CAT. No.F270016
  • CAS. No.97845-71-1
  • Mol. F.C10H16N6O2
  • Mol. W.252.27 g/mol
  • Stock Status:Instock
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9-(2-bromoethyl)-6-chloro-9H-purin-2-amine
9-(2-bromoethyl)-6-chloro-9H-purin-2-amine
  • CAT. No.F270017
  • CAS. No.214201-64-6
  • Mol. F.C7H7BrClN5
  • Mol. W.276.52 g/mol
  • Stock Status:Instock
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Diethyl Decarboxylated Compound
Diethyl Decarboxylated Compound
  • CAT. No.F270018
  • CAS. No.177838-59-4
  • Mol. F.C14H18ClN5O4
  • Mol. W.355.78 g/mol
  • Stock Status:Instock
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Acetoxybutyl Aminopurine
Acetoxybutyl Aminopurine
  • CAT. No.F270020
  • CAS. No.183475-21-0
  • Mol. F.C11H15N5O3
  • Mol. W.265.27 g/mol
  • Stock Status:Custom Synthesis
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Famciclovir Impurity 8
Famciclovir Impurity 8
  • CAT. No.F270021
  • CAS. No.126589-69-3
  • Mol. F.C14H19N5O4
  • Mol. W.321.34 g/mol
  • Stock Status:Custom Synthesis
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Famciclovir Impurity 7
Famciclovir Impurity 7
  • CAT. No.F270022
  • CAS. No.127205-22-5
  • Mol. F.C10H15N5O3
  • Mol. W.253.26 g/mol
  • Stock Status:Custom Synthesis
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6-Bromo Famciclovir
6-Bromo Famciclovir
  • CAT. No.F270023
  • CAS. No.131266-20-1
  • Mol. F.C14H18BrN5O4
  • Mol. W.400.20 g/mol
  • Stock Status:Custom Synthesis
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Hydroxy famciclovir
Hydroxy famciclovir
  • CAT. No.F270024
  • CAS. No.172645-79-3
  • Mol. F.C14H19N5O5
  • Mol. W.337.33 g/mol
  • Stock Status:Custom Synthesis
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6-Methoxy famciclovir
6-Methoxy famciclovir
  • CAT. No.F270025
  • CAS. No.131266-11-0
  • Mol. F.C15H21N5O5
  • Mol. W.351.36 g/mol
  • Stock Status:Custom Synthesis
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Famciclovir 6,6-dimer
Famciclovir 6,6-dimer
  • CAT. No.F270026
  • CAS. No.NA
  • Mol. F.C28H32N10O8
  • Mol. W.636.60 g/mol
  • Stock Status:Custom Synthesis
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N7-Acetyl famciclovir
N7-Acetyl famciclovir
  • CAT. No.F270027
  • CAS. No.NA
  • Mol. F.C16H23N5O5
  • Mol. W.365.40 g/mol
  • Stock Status:Custom Synthesis
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Famciclovir dimer impurity 1
Famciclovir dimer impurity 1
  • CAT. No.F270028
  • CAS. No.1797985-90-0
  • Mol. F.C30H40N10O8
  • Mol. W.668.70 g/mol
  • Stock Status:Custom Synthesis
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Famciclovir Nitroso impurity
Famciclovir Nitroso impurity
  • CAT. No.F270029
  • CAS. No.NA
  • Mol. F.C23H33N7O9
  • Mol. W.551.50 g/mol
  • Stock Status:Custom Synthesis
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