[1,1'-Bi(cyclohexan)]-1-ol CAS 2903-12-0
| CAS No. | 2903-12-0 |
| Molecular Formula | C18H19NO3 |
| Molecular Weight | 297.35 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.
[1,1'-Bi(cyclohexan)]-1-ol (CAS 2903-12-0), molecular formula C18H19NO3 and molecular weight 297.35 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C18H19NO3, [1,1'-Bi(cyclohexan)]-1-ol contains a steroid core, an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 297.35 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. 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 | C18H19NO3 |
| Molecular Weight | 297.35 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 chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
| Nitrogen Atoms | 1 |
Related Bi Standards
- [1,1'-Bi(cyclohexan)]-1-ylmethanamine (CAS 4352-48-1)
- [1,1'-Bi(cyclohexan)]-2-ol (CAS 6531-86-8)
- [1,1'-Bi(cyclohexan)]-4-ol (CAS 2433-14-9)
- [1,1'-bi(cyclohexan)]-1-amine (CAS 6400-54-0)
- [1,1'-bi(cyclohexan)]-3-amine (CAS 858812-28-9)
- [1,1'-bi(cyclohexan)]-1'-en-2-ol (CAS 65181-96-6)
- [1,1'-Bi(cyclohexan)]-1'-en-2-one (CAS 1502-22-3)
- Cyclohexan-d11-ol (CAS 93131-17-0)
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