Betamethasone Impurity 84 CAS CATO-C4X-143784
| CAS No. | CATO-C4X-143784 |
| Molecular Formula | - |
| Molecular Weight | 437.40 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| 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 Betamethasone Impurity 84.
As a process- or degradation-related impurity, Betamethasone Impurity 84 (CAS CATO-C4X-143784, N/A) is essential for impurity profiling, related-substances testing, and forced-degradation studies in pharmaceutical development.
Betamethasone Impurity 84 is supplied as a fully characterized reference material; its structural identity, assigned purity, and stability data are documented in the batch-specific Certificate of Analysis (COA).
Recommended for quantitative analysis by HPLC, GC, LC-MS/MS, or GC-MS as an external calibration standard; it can also be used for spiked-recovery experiments, LOD/LOQ determination, and LC-MS/MS multiple-reaction-monitoring (MRM) calibration.
As a certified reference material (CRM), Betamethasone Impurity 84 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.
Physical & Chemical Properties
| Molecular Formula | C21H26AO8P |
| Molecular Weight | 437.40 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) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
Related Betamethasone Standards
- Betamethasone 21-Acetate-d3 (CAS CATO-CCAD303552)
- Betamethasone Impurity 123 (CAS CATO-C4X-1437123)
- Betamethasone impurity 99 (CAS CATO-C4X-143799)
- Betamethasone Impurity 56 (CAS 5534-12-3)
- Betamethasone 21-Acetate (CAS 987-24-6)
- Betamethasone Valerate EP Impurity F (CAS 16125-28-3)
- Betamethasone Impurity 32 (CAS CATO-C4X-147432)
- Betamethasone impurity 114 (CAS 72559-76-3)
Recommended Standards
- 4-(2,6-Difluorobenzoyl)-3-methyl-1-(4-nitrobenzyl)-3,4-dihydroquinoxalin-2(1H)-one (CAS 317833-45-7)
- N-Isobutyryl-2', 3'-Acetyl-Guanosine (CAS 163586-86-5)
- 2-3-5-Tri-O-acetyl-N2-dimethylguanosine (CAS 73196-87-9)
- Z-Gly-Gly-Gly-Gly-Gly-OH (CAS 20228-72-2)
- Decitabine Impurity 16 (alpha-Isomers) (CAS 570410-68-3)
- Cinacalcet Impurity 23 (CAS 3886-70-2)
- Buspirone EP Impurity A Dibromo salt (CAS 20980-22-7 (free base))
- 2-(3-Chlorophenyl)-N'-[(3Z)-2-oxo-2,3-dihydro-1H-indol-3-ylidene]acetohydrazide (CAS 828251-06-5)
- 6-Amino-1,3,3-trimethylindoline (CAS 545393-67-7)
- Ethyl 3-(4-methylbenzyl)-2-oxo-2,3-dihydro-1H-benzo[d]imidazole-1-carboxylate (CAS 339013-41-1)
- 4-Benzoyl-2-methylpyridine (CAS 59576-25-9)
- Ethyl 5-chloro-2,4-dimethoxybenzoate (CAS 1022091-79-7)
- (S)-1-(4-Methoxyphenyl)propan-2-ol (CAS 131029-01-1)
- Liraglutide Impurity 15 TFA Salt (CAS CATO-C4X-199215)
Why CATO?
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