(Sa,S,S)-Me-SpiroBOX CAS 1152170-63-2
| CAS No. | 1152170-63-2 |
| Molecular Formula | C25H26N2O2 |
| Molecular Weight | 386.49 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
(Sa,S,S)-Me-SpiroBOX (CAS 1152170-63-2), molecular formula C25H26N2O2 and molecular weight 386.49 g/mol, is a CATO reference standard with documented purity and traceability.
The molecular framework of (Sa,S,S)-Me-SpiroBOX (C25H26N2O2) is characterized by a steroid core, an amide group, a hydroxyl group, an ether linkage. In reversed-phase chromatography, its retention is governed primarily by its high hydrophobicity (logP), which provides a practical basis for HPLC-UV/DAD or LC-MS method development. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
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.
Physical & Chemical Properties
| Molecular Formula | C25H26N2O2 |
| Molecular Weight | 386.49 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 14.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1989 |
| Nitrogen Atoms | 2 |
Recommended Standards
- (R,S)-EtIn-Sabox (CAS 1092582-89-2)
- (R)-N-(2-Benzoylphenyl)-2-methyl-2-((1-phenylethyl)amino)propanamide (CAS 1160187-23-4)
- 3-(2-(3-Phenylureido)thiazol-4-yl)-N-(thiophen-2-ylmethyl)propanamide (CAS 1040648-09-6)
- (Ra,S,S)-Me-SpiroBOX (CAS 1198587-73-3)
- 4-Oxo-6-phenyl-4H-pyran-2-carboxylic acid (CAS 1083-01-8)
- 4-((1H-1,2,4-Triazol-1-yl)methyl)benzoic acid (CAS 160388-54-5)
- Diethyl (4S,5S)-2,2-dimethyl-1,3-dioxolane-4,5-dicarboxylate (CAS 73346-73-3)
- 3-Cyano-N-(3-cyano-4-methanesulfinylphenyl)benzamide (CAS 955976-81-5)
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- 1-Ethyl-9H-fluoren-2-amine (CAS 389104-56-7)
- Methyl 4-(((4-ethyl-5-(((6-oxo-1-phenyl-1,6-dihydropyridazin-3-yl)oxy)methyl)-4H-1,2,4-triazol-3-yl)thio)methyl)benzoate (CAS 439121-27-4)
- Semaglutide impurity 103 (CAS 1446013-07-5)
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