1-(tert-Butyl) 4-methyl 4-(5-methyl-2-pyridinyl)-1,4-piperidinedicarboxylate CAS 928050-20-8
| CAS No. | 928050-20-8 |
| Molecular Formula | C18H26N2O4 |
| Molecular Weight | 334.41 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), 1-(tert-Butyl) 4-methyl 4-(5-methyl-2-pyridinyl)-1,4-piperidinedicarboxylate meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
1-(tert-Butyl) 4-methyl 4-(5-methyl-2-pyridinyl)-1,4-piperidinedicarboxylate (CAS 928050-20-8), molecular formula C18H26N2O4 and molecular weight 334.41 g/mol, is a CATO reference standard with documented purity and traceability.
1-(tert-Butyl) 4-methyl 4-(5-methyl-2-pyridinyl)-1,4-piperidinedicarboxylate (C18H26N2O4) contains a flavonoid core, an amide group, a hydroxyl group, an ether linkage. It is notably hygroscopic, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
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 | C18H26N2O4 |
| Molecular Weight | 334.41 g/mol |
| Appearance | Off-white to pale 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) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Nitrogen Atoms | 2 |
Recommended Standards
- 1-(3,4-Dimethylphenyl)-N-(4-ethylphenyl)-5-methyl-1H-1,2,3-triazole-4-carboxamide (CAS 866872-32-4)
- 1,2-Dibenzyloxy-4-(2-hydroxyethyl)benzene (CAS 96826-11-8)
- 1-(1-(3-Methoxy-4-nitrophenyl)piperidin-4-yl)-4-methylpiperazine (CAS 761440-65-7)
- 1,3-Bis(2-methylindolin-1-yl)propane-1,3-dione (CAS 565165-68-6)
- 3-Amino-N-methyl-1H-pyrazole-1-carboxamide (CAS 54408-75-2)
- 1-ethyl-4-(2-nitroethenyl)benzene (CAS 62248-87-7)
- N-(5-chloro-2-methoxyphenyl)-N-tosylglycine (CAS 332419-58-6)
- 1-(2,3-Dihydrobenzo[b][1,4]dioxin-2-yl)prop-2-en-1-one (CAS 1467860-07-6)
- 2,3-Dihydro-1H-indene-1,3-dicarboxylic acid (CAS 69718-74-7)
- 4-(6-Bromoquinolin-2-yl)morpholine (CAS 864866-49-9)
- 4-Methoxy-5-benzyloxy-2,-ß-dinitrostyrene (CAS 4775-68-2)
- N-(2-Ethoxyphenyl)-4-methylbenzamide (CAS 326898-79-7)
- Pioglitazone impurity 57 (CAS 1147527-36-3)
- Met(O)14-Exenatide trifluoroacetate salt (CAS 1678417-38-3)
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