| CAS No. | 1325559-13-4 |
| Molecular Formula | C7[13C]12H20N2O2 |
| Molecular Weight | 320.29 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including Phenylbutazone-(diphenyl-<SUP>13</SUP>C<SUB>12</SUB>).
Phenylbutazone-(diphenyl-<SUP>13</SUP>C<SUB>12</SUB>) (CAS 1325559-13-4), molecular formula C7[13C]12H20N2O2 and molecular weight 320.29 g/mol, is a CATO reference standard with documented purity and traceability.
Phenylbutazone-(diphenyl-<SUP>13</SUP>C<SUB>12</SUB>) (C7[13C]12H20N2O2) 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.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO manufactures Phenylbutazone-(diphenyl-<SUP>13</SUP>C<SUB>12</SUB>) 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]12H20N2O2 |
| Molecular Weight | 320.29 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 0.0 |
| CAS Registry Year (est.) | 1991 |
| Nitrogen Atoms | 2 |