Difloxacin-d3 (methyl-d3) CAS 1173147-93-7
| CAS No. | 1173147-93-7 |
| Molecular Formula | - |
| Molecular Weight | 402.41 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including Difloxacin-d3 (methyl-d3).
Difloxacin-d3 (methyl-d3) (CAS 1173147-93-7) is a high-purity analytical reference standard with the molecular formula C21H16D3F2N3O3 and a molecular weight of 402.41 g/mol.
Structurally, Difloxacin-d3 (methyl-d3) (C21H16D3F2N3O3) contains deuterium isotope labeling, a steroid core, an amide group, a hydroxyl group, an ether linkage, fluorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 14.5, corresponding to approximately 14 ring(s) or double-bond equivalent(s). With a molecular weight of 402.41 g/mol, it falls into the moderately-high-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
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 Difloxacin-d3 (methyl-d3) 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.
Physical & Chemical Properties
| Molecular Formula | C21H16D3F2N3O3 |
| Molecular Weight | 402.41 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | >95% |
| Storage | Store in a cool place (≤25°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; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 14.5 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1989 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 3 |
Related Difloxacin Standards
Recommended Standards
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- Semaglutide Impurity 7 (CAS CATO-C4X-22267)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
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