Piperacillin Impurity 44 CAS 90686-52-5
Purity >90%In StockPharmacopoeial Impurity Standards
| CAS No. | 90686-52-5 |
| Molecular Formula | C23H28N6O6S |
| Molecular Weight | 516.57 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Piperacillin Impurity 44 (CAS 90686-52-5) is a pharmacopoeial impurity standards certified reference material from CATO. Molecular formula: C23H28N6O6S. Molecular weight: 516.57 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C23H28N6O6S |
| Molecular Weight | 516.57 g/mol |
| Purity | >90% |
| 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) | 13.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1982 |
| Nitrogen Atoms | 6 |
| Sulfur Atoms | 1 |
Related Piperacillin Standards
- Piperacillin EP Impurity K (CAS 2734474-72-5)
- Piperacillin Monohydrate EP Impurity N (CAS CATO-C4X-173219)
- Piperacillin Impurity 31 (CAS CATO-C4X-173231)
- Piperacillin Impurity 38 (CAS CATO-C4X-173238)
- Piperacillin Impurity 57 (CAS CATO-C4X-173257)
- Piperacillin Impurity 92 (CAS CATO-C4X-173292)
- Piperacillin-d5 (N-ethyl-d5) (CAS CATO-C4X-173258)
- Piperacillin Methyl Ester (CAS 65700-41-6)
Recommended Standards
- Fluticasone Impurity 99 (CAS 948566-13-0)
- Rimegepant Impurity 45 (CAS CATO-C4X-248745)
- Ns 1209 (CAS 245063-59-6)
- zanubrutinib Impurity 5 (CAS CATO-C4X-21015)
- Linezolid Impurity 70 (CAS CATO-C4X-107370)
- 2-(Morpholin-4-yl)-5-(piperidine-1-sulfonyl)benzoic acid (CAS 568566-60-9)
- 2-Amino-6-(hydroxymethyl)-8-oxo-4-(o-tolyl)-4,8-dihydropyrano[3,2-b]pyran-3-carbonitrile (CAS 876709-95-4)
- 5-(6-Fluoro-2,3-dimethoxyphenyl)oxazole (CAS 2379322-64-0)
- N-Methyl-1,2,3-thiadiazole-4-carboxamide (CAS 500534-42-9)
- Peptide Impurity 81 TFA (CAS CATO-CPTD788581)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
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- Technical support: +86 13829788188 / jacky.chen@cato-chem.com