Upadacitinib Impurity 164 CAS CATO-C4X-2405164
| CAS No. | CATO-C4X-2405164 |
| Molecular Formula | C4H4BrN3 |
| Molecular Weight | 174.00 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies Upadacitinib Impurity 164 (CAS CATO-C4X-2405164), a pharmacopoeial impurity reference standard (molecular formula C4H4BrN3, MW 174.00 g/mol) used for the identification and quantification of trace impurities in APIs.
Based on its molecular formula C4H4BrN3, Upadacitinib Impurity 164 contains a nitrile group, bromine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 174.00 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
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), Upadacitinib Impurity 164 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 | C4H4BrN3 |
| Molecular Weight | 174.00 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, faint amine-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 3 |
Related Upadacitinib Standards
- Upadacitinib Impurity 159 (CAS CATO-C4X-2405159)
- Upadacitinib Impurity 142 (CAS CATO-C4X-2405142)
- Upadacitinib Impurity 151 (CAS CATO-C4X-2405151)
- Upadacitinib Impurity 202 (CAS CATO-C4X-2405202)
- Upadacitinib Impurity 174 (CAS CATO-C4X-2405174)
- Upadacitinib Impurity 89 (CAS CATO-C4X-240589)
- Upadacitinib Impurity 167 (CAS CATO-C4X-2405167)
- Upadacitinib Impurity 53 (CAS 1046861-47-5)
Recommended Standards
- 5-Bromopyrimidin-2-amine (CAS 7752-82-1)
- (S)-((2-Amino-N-methylbutanamido)methyl)boronic acid (CAS 1063701-09-6)
- 6-bromopyridin-2-ol (CAS 27992-32-1)
- (S)-((2-Amino-N-ethylpropanamido)methyl)boronic acid (CAS 1063701-57-4)
- Posaconazole Impurity 50 (CAS 1902957-95-2)
- Betamethasone Impurity 116 (CAS CATO-C4X-1437116)
- Pramocaine Impurity 4 (CAS 134187-43-2)
- 1-(N-methylsulfamoyl)piperidine-4-carboxylic acid (CAS 1178102-52-7)
- 1-Fluoro-4-(1,1,5,5,5-pentafluoro-pentyl)-benzene (CAS 1965305-26-3)
- 4-fluorobutanenitrile (CAS 407-83-0)
- tert-Butyl 4-(aminomethyl)-4-(2-ethoxy-2-oxoethyl)piperidine-1-carboxylate (CAS 2104409-60-9)
- Rivastigmine Impurity 15 (CAS 169772-44-5)
- Tert-butyl 3-(neopentylamino)azetidine-1-carboxylate (CAS 1284563-03-6)
- MLCK inhibitor peptide 18 (CAS 224579-74-2)
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