rac Penbutolol CAS 36507-48-9
| CAS No. | 36507-48-9 |
| Molecular Formula | C18H29NO2 |
| Molecular Weight | 291.43 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of rac Penbutolol is closely related to a steroid core, an amide group, a hydroxyl group, an ether linkage in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
CATO supplies rac Penbutolol (CAS 36507-48-9), a certified reference material (molecular formula C18H29NO2, MW 291.43 g/mol) for analytical method development and quality control.
Structurally, rac Penbutolol (C18H29NO2) contains a steroid core, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 5.0, corresponding to approximately 5 ring(s) or double-bond equivalent(s). With a molecular weight of 291.43 g/mol, it falls into the medium-molecular-weight range. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
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.
Physical & Chemical Properties
| Molecular Formula | C18H29NO2 |
| Molecular Weight | 291.43 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| Purity | >95% |
| Storage | Store at 2-8°C, protect from light |
| 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) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1967 |
| Nitrogen Atoms | 1 |
Related rac Standards
- Penbutolol EP Impurity A (CAS 112160-87-9)
- Penbutolol (CAS 38363-40-5)
- (R)-Penbutolol (CAS 38363-41-6)
- Penbutolol EP Impurity A Racemate (CAS 121010-10-4)
- Penbutolol Impurity 13 (CAS 32396-10-4)
- Penbutolol Impurity 8 (CAS 6627-83-4)
- (R)-Penbutolol Sulfate (CAS 38363-42-7)
- Penbutolol Impurity 11 (CAS 57130-27-5)
Recommended Standards
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Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
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