17a(H),21B(H)-(22RS)-Trishomohopane CAS 54340-13-5
| CAS No. | 54340-13-5 |
| Molecular Formula | C33H58 |
| Molecular Weight | 454.81 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of 17a(H),21B(H)-(22RS)-Trishomohopane is closely related to an aromatic ring system in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
17a(H),21B(H)-(22RS)-Trishomohopane (CAS 54340-13-5), molecular formula C33H58 and molecular weight 454.81 g/mol, is a CATO reference standard with documented purity and traceability.
17a(H),21B(H)-(22RS)-Trishomohopane (C33H58) contains an aromatic ring system. Its high carbon-to-hydrogen ratio confers good lipid solubility; these physicochemical properties determine the optimal preparation and storage of its standard solutions. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
CATO manufactures 17a(H),21B(H)-(22RS)-Trishomohopane under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C33H58 |
| Molecular Weight | 454.81 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at room temperature |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate |
| Stability | Stable under recommended storage conditions |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1972 |
Recommended Standards
- 17a(H),21B(H)-(22R)-Trishomohopane (CAS 67069-26-5)
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- 17B(H),21B(H)-(22RS)-Trishomohopane (CAS 71629-80-6)
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Why CATO?
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