Methylsulfonyl-Tadalafil Research Compound Overview
Methylsulfonyl-tadalafil is a designer tadalafil analog in which a methylsulfonyl (-SO₂CH₃) group is incorporated into the parent tadalafil structure. The compound belongs to the broader class of PDE5-targeting reference materials investigated in analytical chemistry, forensic toxicology, and structure-activity relationship (SAR) research. It is supplied by Kimera Chems exclusively as a research-use-only (RUO) chemical for qualified investigators.
The methylsulfonyl modification has been documented in the analytical literature as one of several designer alterations to the tadalafil scaffold appearing in adulterated consumer products, making this analog a relevant analytical target for laboratories performing supplement screening, mass spectrometry method development, and reference-standard comparison work.
Research Applications
Methylsulfonyl-tadalafil is intended for in vitro and analytical applications, including:
- Reference material for LC-MS/MS and HPLC method development targeting PDE5-active adulterants
- Comparative SAR studies against tadalafil and other tadalafil analogs
- Forensic analytical workflows screening dietary supplements and unregulated products
- In vitro PDE5 binding and selectivity research
- Stability, degradation, and impurity profiling studies
This product is not intended for, and shall not be used for, human or veterinary administration, food, cosmetic, household, or therapeutic purposes.
Analytical Verification & Quality
Every lot of Methylsulfonyl-Tadalafil supplied by Kimera Chems is verified through our multi-lab third-party analytical network. Standard documentation includes:
- Identity confirmation by NMR and/or mass spectrometry
- Chromatographic purity assessment (HPLC)
- Independent verification across our analytical partners (MZ Biolabs, NuMega Resonance Labs, Vanguard Laboratory)
- Lot-specific Certificate of Analysis archived in our public COA database
Customers can cross-reference the lot number on the product label with the corresponding COA in the Kimera Chems COA archive.
Handling & Storage
Store in a cool, dry, light-protected environment. Handle exclusively within an appropriate laboratory setting using standard PPE for unknown research chemicals. As with all research compounds, only qualified personnel trained in handling investigational substances should access this material.
Regulatory Status
Methylsulfonyl-Tadalafil is sold strictly as a research chemical for laboratory use. It is not approved by the FDA for human or veterinary use and is not a dietary supplement, drug, food, or cosmetic. By purchasing, the buyer acknowledges the RUO designation and agrees to the Kimera Chems Terms of Sale and applicable Affiliate / Wholesale terms.
Methylsulfonyl-Tadalafil Research Compound Overview
Methylsulfonyl-tadalafil is a designer tadalafil analog in which a methylsulfonyl (-SO₂CH₃) group is incorporated into the parent tadalafil structure. The compound belongs to the broader class of PDE5-targeting reference materials investigated in analytical chemistry, forensic toxicology, and structure-activity relationship (SAR) research. It is supplied by Kimera Chems exclusively as a research-use-only (RUO) chemical for qualified investigators.
The methylsulfonyl modification has been documented in the analytical literature as one of several designer alterations to the tadalafil scaffold appearing in adulterated consumer products, making this analog a relevant analytical target for laboratories performing supplement screening, mass spectrometry method development, and reference-standard comparison work.
Research Applications
Methylsulfonyl-tadalafil is intended for in vitro and analytical applications, including:
- Reference material for LC-MS/MS and HPLC method development targeting PDE5-active adulterants
- Comparative SAR studies against tadalafil and other tadalafil analogs
- Forensic analytical workflows screening dietary supplements and unregulated products
- In vitro PDE5 binding and selectivity research
- Stability, degradation, and impurity profiling studies
This product is not intended for, and shall not be used for, human or veterinary administration, food, cosmetic, household, or therapeutic purposes.
Analytical Verification & Quality
Every lot of Methylsulfonyl-Tadalafil is verified through independent third-party analytical testing. Standard documentation includes:
- Identity confirmation by NMR and/or mass spectrometry
- Chromatographic purity assessment (HPLC)
- Lot-specific Certificate of Analysis archived in the Kimera Chems COA database
Customers can cross-reference the lot number on the product label with the corresponding COA in the public archive.
Handling & Storage
Store in a cool, dry, light-protected environment. Handle exclusively within an appropriate laboratory setting using standard PPE for unknown research chemicals. As with all research compounds, only qualified personnel trained in handling investigational substances should access this material.
Regulatory Status
Methylsulfonyl-Tadalafil is sold strictly as a research chemical for laboratory use. It is not approved by the FDA for human or veterinary use and is not a dietary supplement, drug, food, or cosmetic. By purchasing, the buyer acknowledges the RUO designation and agrees to the Kimera Chems Terms of Sale and applicable Affiliate / Wholesale terms.
| IUPAC Name | (6R,12aR)-6-(1,3-benzodioxol-5-yl)-2-(methylsulfonyl)-2,3,6,7,12,12a-hexahydropyrazino[1′,2′:1,6]pyrido[3,4-b]indole-1,4-dione |
| Molecular Formula | C22H19N3O6S |
| Molecular Weight | 443.47 |
| Dry-Fill Capsule Concentration | Tablets, 20mg |
| Liquid Concentration And Solution | 20mg/ml, DMSO, PEG-400 |






