Cefathiamidine Impurity 16 CAS 58197-02-7
| CAS No. | 58197-02-7 |
| Molecular Formula | C10H11BrN2O4S |
| Molecular Weight | 335.17 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), Cefathiamidine Impurity 16 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 Cefathiamidine Impurity 16 (CAS 58197-02-7), a pharmacopoeial impurity reference standard (molecular formula C10H11BrN2O4S, MW 335.17 g/mol) used for the identification and quantification of trace impurities in APIs.
The molecular framework of Cefathiamidine Impurity 16 (C10H11BrN2O4S) is characterized by a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone group, a hydroxyl group, an ether linkage, bromine substitution. In reversed-phase chromatography, its retention is governed primarily by the protonation state of its nitrogen-containing groups, which provides a practical basis for HPLC-UV/DAD or LC-MS method development. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
This reference standard supports related-substances testing and method development in line with ICH Q3A/Q3B guidance on impurity control, and is suitable for system suitability testing and forced-degradation studies.
Physical & Chemical Properties
| Molecular Formula | C10H11BrN2O4S |
| Molecular Weight | 335.17 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| 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) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1973 |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Related Cefathiamidine Standards
- Cefathiamidine Impurity 18 (CAS CATO-C4X-133718)
- Cefathiamidine Impurity 4 (CAS 1418224-75-5)
- Cefathiamidine Impurity 13 (CAS CATO-C4X-133713)
- Cefathiamidine Impurity 2 (CAS 26973-80-8)
- Cefathiamidine Impurity 11 (CAS CATO-C4X-133711)
- Cefathiamidine Impurity 3 (CAS 1417570-09-2)
- Cefathiamidine Impurity 7 (CAS CATO-C4X-13377)
- Cefathiamidine Impurity 15 (CAS CATO-C4X-133715)
Recommended Standards
- Ethyl 4-Bromo-1-oxyl-2,2,5,5-tetramethyl-δ3-pyrroline-3-carboxylate (CAS 215956-48-2)
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- 7-Bromo-5-(4-fluorophenyl)-2,3,4,5-tetrahydro-1h-1,4-benzodiazepin-2-one (CAS 887201-54-9)
- 3,7-Dichloro-1-(4-methoxybenzyl)quinoxalin-2(1H)-one (CAS 1021179-88-3)
- Moxifloxacin Impurity 99 (CAS CATO-C4X-107499)
- Salbutamol Impurity 141 (CAS CATO-C4X-1176141)
- IMMH-010 Impurity 8 (CAS 75032-36-9)
- 2-(4-Fluorobenzyl)-5,6-dihydrobenzo[h]cinnolin-3(2H)-one (CAS 478042-29-4)
- Methyl 2-iodo-3-methyl-5-nitrobenzoate (CAS 908597-08-0)
- (2S,5R)-5-Amino-1-Cbz-2-methylpiperidine (CAS 1207947-49-6)
- Potassium 3-formylphenyltrifluoroborate (CAS 871231-44-6)
- N-(2-methoxyethyl)cyclopentanamine hydrochloride (CAS 1235440-39-7)
- (4-(2-Azabicyclo[2.2.1]Heptan-2-yl)phenyl)methanamine (CAS 1274122-45-0)
- 302798-54-5 (Leu31,Pro34)-Neuropeptide Y (13-36) (human, rat) MFCD00672463 (CAS 302798-54-5)
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