| CAS No. | 19136-99-3 |
| Molecular Formula | - |
| Molecular Weight | 136.14 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Compared with other compounds in its class, the molecular weight of 136.14 g/mol gives Pentanedioic-2,2,4,4-d4 Acid distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
Pentanedioic-2,2,4,4-d4 Acid (CAS 19136-99-3), molecular formula C5H4D4O4 and molecular weight 136.14 g/mol, is a CATO reference standard with documented purity and traceability.
Owing to deuterium isotope labeling, a carbohydrate-derived structure, Pentanedioic-2,2,4,4-d4 Acid is typically off-white to pale yellow liquid. Its solid-state physicochemical attributes — including a molecular weight of 136.14 g/mol — guide the selection of appropriate sample preparation and analytical techniques. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
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 Pentanedioic-2,2,4,4-d4 Acid 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 | C5H4D4O4 |
| Molecular Weight | 136.14 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO, water |
| Stability | May oxidize slowly on prolonged air exposure; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1962 |