Ceftiofur Impurity 12 CAS 120905-00-2
| CAS No. | 120905-00-2 |
| Molecular Formula | C28H28N10O10S6 |
| Molecular Weight | 856.97 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Ceftiofur Impurity 12 (CAS 120905-00-2), molecular formula C28H28N10O10S6 and molecular weight 856.97 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, Ceftiofur Impurity 12 (C28H28N10O10S6) contains a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 20.0, corresponding to approximately 20 ring(s) or double-bond equivalent(s). With a molecular weight of 856.97 g/mol, it falls into the 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.
As a certified reference material (CRM), Ceftiofur Impurity 12 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 | C28H28N10O10S6 |
| Molecular Weight | 856.97 g/mol |
| Purity | 97%+ |
| 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 |
| Degree of Unsaturation (DBE) | 20.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1991 |
| Nitrogen Atoms | 10 |
| Sulfur Atoms | 6 |
Related Ceftiofur Standards
- Ceftiofur Impurity 8 (CAS CATO-C4X-15818)
- Ceftiofur Impurity 9 (CAS CATO-C4X-15819)
- Ceftiofur Impurity 6 (CAS CATO-C4X-15816)
- Ceftiofur Impurity 4 (CAS CATO-C4X-15814)
- Ceftiofur Impurity 21 (CAS CATO-C4X-158121)
- Ceftiofur Impurity 14 (CAS CATO-C4X-158114)
- Ceftiofur Impurity 15 (CAS CATO-C4X-158115)
- Ceftiofur Impurity 11 (CAS CATO-C4X-158111)
Recommended Standards
- Orforglipron impurity 78 (CAS CATO-C4X-323478)
- Formoterol impurity 115 (CAS CATO-C4X-1525115)
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- N6-Benzoyl-3-deaza-2-deoxy-5-O-DMT-3-methyladenosine 3-CE phosphoramidite (CAS 666257-76-7)
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- Nε-Fmoc-L-lysine (CAS 84624-28-2)
- tert-Butyl (2-((4-aminophenyl)amino)-2-oxoethyl)carbamate (CAS 83209-85-2)
- 4-Amino-N-(4-(diethylamino)phenyl)benzenesulfonamide (CAS 327069-63-6)
- 6-Methyl-2-morpholinopyrimidin-4-ol (CAS 5429-05-0)
- 3-(M-tolyl)-1-(2-(trifluoromethyl)phenyl)propan-1-one (CAS 898791-02-1)
- 3-Bromo-5-chloro-4-fluoroaniline (CAS 1514709-58-0)
- D-Ile27-Tirzepatide (CAS CATO-CPTD788907)
Why CATO?
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