Orlistat Related Compounds & Impurities

Orlistat is a gastrointestinal lipase inhibitor that reduces dietary fat absorption, used for obesity management.

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 Orlistat reference standards, pharmacopeial and non-pharmacopeial Orlistat 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 Orlistat-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

Orlistat
Orlistat
  • CAT. No.O100000
  • CAS. No.96829-58-2
  • Mol. F.C29H53NO5
  • Mol. W.495.73 g/mol
  • Stock Status:Instock
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Orlistat
Orlistat
  • CAT. No.O100000A
  • CAS. No.96829-58-2
  • Mol. F.C29H53NO5
  • Mol. W.495.73 g/mol
  • Stock Status:Custom Synthesis
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Orlistat USP Related Compund C
Orlistat USP Related Compund C
  • CAT. No.O100001
  • CAS. No.791-28-6
  • Mol. F.C18H15OP
  • Mol. W.278.28 g/mol
  • Stock Status:Instock
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N-Formyl-L-leucine Orlistat
N-Formyl-L-leucine Orlistat
  • CAT. No.O100002
  • CAS. No.130676-63-0
  • Mol. F.C28H53NO3
  • Mol. W.451.73 g/mol
  • Stock Status:Instock
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Orlistat USP Related Compound D
Orlistat USP Related Compound D
  • CAT. No.O100003
  • CAS. No.130793-27-0
  • Mol. F.C29H53NO5
  • Mol. W.495.73 g/mol
  • Stock Status:Instock
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Orlistat Related Compound B
Orlistat Related Compound B
  • CAT. No.O100004
  • CAS. No.19740-72-8
  • Mol. F.C8H16N2O4
  • Mol. W.204.22 g/mol
  • Stock Status:Instock
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Orlistat Open Ring Epimer
Orlistat Open Ring Epimer
  • CAT. No.O100005
  • CAS. No.130793-28-1
  • Mol. F.C29H55NO6
  • Mol. W.513.75 g/mol
  • Stock Status:Instock
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Orlistat Open Ring (2S,3S,5S) Epimer
Orlistat Open Ring (2S,3S,5S) Epimer
  • CAT. No.O100006
  • CAS. No.130676-66-3
  • Mol. F.C29H55NO6
  • Mol. W.513.75 g/mol
  • Stock Status:Under Synthesis
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Orlistat Dihydropyranone Impurity
Orlistat Dihydropyranone Impurity
  • CAT. No.O100007
  • CAS. No.130676-64-1
  • Mol. F.C22H40O2
  • Mol. W.336.55 g/mol
  • Stock Status:Instock
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Orlistat USP Related Compound A
Orlistat USP Related Compound A
  • CAT. No.O100008
  • CAS. No.104872-06-2
  • Mol. F.C22H42O3
  • Mol. W.354.57 g/mol
  • Stock Status:Instock
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Orlistat Related Compound E
Orlistat Related Compound E
  • CAT. No.O100009
  • CAS. No.1072902-75-0
  • Mol. F.C29H53NO5
  • Mol. W.495.74 g/mol
  • Stock Status:Under Synthesis
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Orlistat Open Ring Amide
Orlistat Open Ring Amide
  • CAT. No.O100010
  • CAS. No.NA
  • Mol. F.C37H64N2O5
  • Mol. W.616.91 g/mol
  • Stock Status:Instock
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Orlistat Formyl Impurity
Orlistat Formyl Impurity
  • CAT. No.O100011
  • CAS. No.6113-61-7
  • Mol. F.C7H13NO3
  • Mol. W.159.18 g/mol
  • Stock Status:Instock
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(R,S,S,S)-Orlistat
(R,S,S,S)-Orlistat
  • CAT. No.O100012
  • CAS. No.104872-28-8
  • Mol. F.C29H53NO5
  • Mol. W.495.73 g/mol
  • Stock Status:Custom Synthesis
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(S,R,R,R)-Orlistat
(S,R,R,R)-Orlistat
  • CAT. No.O100014
  • CAS. No.111466-61-6
  • Mol. F.C29H53NO5
  • Mol. W.495.73 g/mol
  • Stock Status:Limited Stock
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Isopentyl Orlistat Tetradecyl Ester
Isopentyl Orlistat Tetradecyl Ester
  • CAT. No.O100015
  • CAS. No.NA
  • Mol. F.C30H55NO5
  • Mol. W.509.76 g/mol
  • Stock Status:Limited Stock
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Orlistat Tetradecyl Ester
Orlistat Tetradecyl Ester
  • CAT. No.O100016
  • CAS. No.686744-60-5
  • Mol. F.C31H57NO5
  • Mol. W.523.79 g/mol
  • Stock Status:Under Synthesis
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Methyl Orlistat
Methyl Orlistat
  • CAT. No.O100017
  • CAS. No.1119226-56-0
  • Mol. F.C30H55NO5
  • Mol. W.509.76 g/mol
  • Stock Status:Custom Synthesis
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Orlistat Isopentyl Analog
Orlistat Isopentyl Analog
  • CAT. No.O100018
  • CAS. No.NA
  • Mol. F.C28H51NO5
  • Mol. W.481.71 g/mol
  • Stock Status:Instock
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N-formyl-L-leucine(S)-1-[(2S,3S)-3-(4-methylpentyl)-4-oxo-oxetan-2-ylmethyl]-dodecyl ester
N-formyl-L-leucine(S)-1-[(2S,3S)-3-(4-methylpentyl)-4-oxo-oxetan-2-ylmethyl]-dodecyl ester
  • CAT. No.O100019
  • CAS. No.NA
  • Mol. F.C29H53NO5
  • Mol. W.495.73 g/mol
  • Stock Status:Custom Synthesis
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[3S-(3,4,6)]-3-Hexyltetrahydro-4-hydroxy-6-undecyl-2H-pyran-2-one
[3S-(3,4,6)]-3-Hexyltetrahydro-4-hydroxy-6-undecyl-2H-pyran-2-one
  • CAT. No.O100022
  • CAS. No.68711-33-1
  • Mol. F.C22H42O3
  • Mol. W.354.57 g/mol
  • Stock Status:Custom Synthesis
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Orlistat Impurity 2
Orlistat Impurity 2
  • CAT. No.O100023
  • CAS. No.130676-65-2 
  • Mol. F.C29H53NO5
  • Mol. W.495.73 g/mol
  • Stock Status:Custom Synthesis
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Orlistat Impurity 5
Orlistat Impurity 5
  • CAT. No.O100024
  • CAS. No.130793-26-9
  • Mol. F.C22H42O3
  • Mol. W.354.57 g/mol
  • Stock Status:Custom Synthesis
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Orlistat Nitroso Impurity 1
Orlistat Nitroso Impurity 1
  • CAT. No.O100025
  • CAS. No.NA
  • Mol. F.C29H52N2O6
  • Mol. W.524.73 g/mol
  • Stock Status:Custom Synthesis
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(S,S,R,R)-Orlistat
(S,S,R,R)-Orlistat
  • CAT. No.O100026
  • CAS. No.111466-62-7
  • Mol. F.C29H53NO5
  • Mol. W.495.73 g/mol
  • Stock Status:Custom Synthesis
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Orlistat Impurity 12
Orlistat Impurity 12
  • CAT. No.O100027
  • CAS. No.NA
  • Mol. F.C30H53NO3
  • Mol. W.475.75 g/mol
  • Stock Status:Custom Synthesis
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Orlistat Impurity 10
Orlistat Impurity 10
  • CAT. No.O100028
  • CAS. No.104801-96-9
  • Mol. F.C22H42O3
  • Mol. W.354.58 g/mol
  • Stock Status:Custom Synthesis
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Orlistat Impurity 11
Orlistat Impurity 11
  • CAT. No.O100029
  • CAS. No.210543-56-9
  • Mol. F.C22H42O3
  • Mol. W.354.57 g/mol
  • Stock Status:Custom Synthesis
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Orlistat L-Methionine
Orlistat L-Methionine
  • CAT. No.O100030
  • CAS. No.1356354-38-5
  • Mol. F.C28H51NO5S
  • Mol. W.513.78 g/mol
  • Stock Status:Custom Synthesis
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L-Valine Orlistat
L-Valine Orlistat
  • CAT. No.O100031
  • CAS. No.1243107-50-7
  • Mol. F.C28H51NO5
  • Mol. W.481.71 g/mol
  • Stock Status:Custom Synthesis
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Orlistat Related Compound D Solution(5 mg/mLin Acetonitrile)
Orlistat Related Compound D Solution(5 mg/mLin Acetonitrile)
  • CAT. No.O100032
  • CAS. No.130793-27-0
  • Mol. F.C29H53NO5
  • Mol. W.495.73 g/mol
  • Stock Status:Custom Synthesis
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Isotope Labelled Compounds

Orlistat D3
Orlistat D3
  • CAT. No.O100020
  • CAS. No.1356930-46-5
  • Mol. F.C29H50D3NO5
  • Mol. W.498.75 g/mol
  • Stock Status:Custom Synthesis
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Orlistat D7
Orlistat D7
  • CAT. No.O100021
  • CAS. No.NA
  • Mol. F.C29H46D7NO6
  • Mol. W.518.78 g/mol
  • Stock Status:Custom Synthesis
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