Fexofenadine-D6 CAS 548783-71-7
| CAS No. | 548783-71-7 |
| Molecular Formula | - |
| Molecular Weight | 507.69 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), Fexofenadine-D6 meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
CATO supplies Fexofenadine-D6 (CAS 548783-71-7), a certified reference material (molecular formula C32H33D6NO4, MW 507.69 g/mol) for analytical method development and quality control.
Structurally, Fexofenadine-D6 (C32H33D6NO4) contains deuterium isotope labeling, a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 17.0, corresponding to approximately 17 ring(s) or double-bond equivalent(s). With a molecular weight of 507.69 g/mol, it falls into the moderately-high-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.
Physical & Chemical Properties
| Molecular Formula | C32H33D6NO4 |
| Molecular Weight | 507.69 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at room temperature, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 17.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1984 |
| Nitrogen Atoms | 1 |
Related Fexofenadine Standards
- Fexofenadine Impurity 19 (CAS CATO-C4X-179419)
- Fexofenadine Impurity 31 (CAS CATO-C4X-179431)
- (R)-Fexofenadine (CAS 139965-10-9)
- (S)-Fexofenadine (CAS 139965-11-0)
- Fexofenadine EP Impurity B (CAS 479035-75-1)
- Fexofenadine (CAS 83799-24-0)
- Fexofenadine Impurity 17 (CAS 154477-55-1)
- Fexofenadine EP Impurity D (CAS 154825-96-4)
Recommended Standards
- Bempedoic Acid Impurity 34 (CAS CATO-C4X-218934)
- Brexpiprazole Impurity 50 (CAS CATO-C4X-113150)
- Epothilone B (CAS 152044-54-7)
- 1-O-(cis-9-Octadecenyl)-sn-glycero-3-phosphocholine (CAS 87907-66-2)
- 4-[2-(Dimethylamino)ethenyl]-3-pyridinecarbonitrile (CAS 36106-34-0)
- 4-Bromobenzo[c]isoxazol-3(1H)-one (CAS 1780441-92-0)
- 2-(3,5-Dimethylphenyl)benzo[d]oxazole (CAS 154715-81-8)
- 1-(3,4,5-Trifluorophenyl)pentan-1-one (CAS 1247419-81-3)
- 2-(4-chloro-3,5-dimethyl-1h-pyraZol-1-yl)acetohydrazide (CAS 1004644-51-2)
- 2-(Difluoromethyl)-4-fluoro-3-(trifluoromethyl)pyridine-5-acetic acid (CAS 1804855-77-3)
- 2-(4-Amino-2-chlorophenyl)acetonitrile (CAS 180150-18-9)
- 5-Amino-7-bromo-3,4-dihydro-2H-1,4-benzoxazin-3-one (CAS 1780516-88-2)
- Methyl pyrrolo[1,2-c]pyrimidine-3-carboxylate (CAS 58298-71-8)
- Semaglutide impurity 81 (CAS CATO-C4X-222681)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com