| CAS No. | 957494-04-1 |
| Molecular Formula | C7[13C]4H16N2O3 |
| Molecular Weight | 228.23 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Compared with other compounds in its class, the molecular weight of 228.23 g/mol gives Butalbital 13C4 distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
Butalbital 13C4 (CAS 957494-04-1), molecular formula C7[13C]4H16N2O3 and molecular weight 228.23 g/mol, is a CATO reference standard with documented purity and traceability.
Butalbital 13C4 (C7[13C]4H16N2O3) contains an amino-acid-derived structure, 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. 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.
CATO manufactures Butalbital 13C4 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.
| Molecular Formula | C7[13C]4H16N2O3 |
| Molecular Weight | 228.23 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 2.0 |
| CAS Registry Year (est.) | 1987 |
| Nitrogen Atoms | 2 |