| CAS No. | 19178-25-7 |
| Molecular Formula | C7H5N3O |
| Molecular Weight | 147.13 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Compared with other compounds in its class, the molecular weight of 147.13 g/mol gives Pyrido[3,4-d]pyrimidin-4(3H)-one, 97% distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
Pyrido[3,4-d]pyrimidin-4(3H)-one, 97% (CAS 19178-25-7), molecular formula C7H5N3O and molecular weight 147.13 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, Pyrido[3,4-d]pyrimidin-4(3H)-one, 97% (C7H5N3O) contains an amide group, a hydroxyl group, an ether linkage, an aromatic ring system. The molecule exhibits a degree of unsaturation (DBE) of 7.0, corresponding to approximately 7 ring(s) or double-bond equivalent(s). With a molecular weight of 147.13 g/mol, it falls into the low-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.
CATO manufactures Pyrido[3,4-d]pyrimidin-4(3H)-one, 97% 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 | C7H5N3O |
| Molecular Weight | 147.13 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1962 |
| Nitrogen Atoms | 3 |