Cefpiramide
Based on 1 Customer Validation
Cefpiramide (SM-1652) free acid is a semisynthetic cephalosporin with broad-spectrum antibacterial activity. Cefpiramide free acid shows strong antibacterial effect on both gram-positive bacteria and gram-negative bacteria. Cefpiramide free acid is moderately susceptible to β-lactamase.
For research use only. We do not sell to patients.
- Purity: 99.72%
- CAS No.: 70797-11-4
- Formula: C25H24N8O7S2
- Molecular Weight:612.64
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Storage:
-20°C, stored under nitrogen
* In solvent : -80°C, 6 months; -20°C, 1 month (stored under nitrogen)
To place orders, for customer services and technical support, please contact: MedChemExpress USA
Tel: 609-228-6898 E-mail: [email protected] [email protected]
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Biological Activity
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Chemical Information
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Solvent & Solubility
- Purity & Documentation
- References
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Help & FAQs
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Biological Activity
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β-lactam |
Cefpiramide (0-2048 µg/mL; 16-18 hours) shows good activity to against most non-fermentative Gram-negative bacilli and Enterococci (32 µg/mL with 97% inhibition)[1].
Cefpiramide (0-2048 µg/mL; 16-18 hours) exhibits high effective to against Pseudomonas aeruginosa with MIC[50] and MIC[90] values of 4 µg/mL and 16 µg/mL separately[1].
MedChemExpress (MCE) has not independently confirmed the accuracy of these methods. They are for reference only.
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Cell Line:761 bacterial isolates (35 different species of common bacterial pathogens)
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Concentration:0-2048 µg/mL
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Incubation Time:16-18 hours
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Result:Showed broad-spectrum antibacterial activity.
Cefpiramide (25 mg/kg; i.v.; once) reduces bacteria in CSF more than 10[4] CFU/ml[2].
MedChemExpress (MCE) has not independently confirmed the accuracy of these methods. They are for reference only.
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Animal Model:New Zealand white male rabbits(2-3 kg)[2].
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Dosage:25 mg/kg
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Administration:Intravenous injection; once.
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Result:Anti-Streptococcus pneumoniae.
Chemical Information
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CAS No. 70797-11-4
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Appearance Solid
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Molecular Weight 612.64
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Formula C25H24N8O7S2
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Color White to off-white
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SMILES
O=C(C(N12)=C(CSC3=NN=NN3C)CS[C@]2([H])[C@H](NC([C@H](NC(C4=C(O)C=C(C)N=C4)=O)C5=CC=C(O)C=C5)=O)C1=O)O
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Synonyms
SM-1652 free acid; Wy-44635 free acid
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Shipping
Room temperature in continental US; may vary elsewhere.
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Storage
-20°C, stored under nitrogen
* In solvent : -80°C, 6 months; -20°C, 1 month (stored under nitrogen)
Solvent & Solubility
DMSO : 125 mg/mL (204.03 mM; Need ultrasonic; Hygroscopic DMSO has a significant impact on the solubility of product, please use newly opened DMSO)
Please refer to the solubility information to select the appropriate solvent. Once prepared, please aliquot and store the solution to prevent product inactivation from repeated freeze-thaw cycles.
Storage method and period of stock solution: -80°C, 6 months; -20°C, 1 month (stored under nitrogen). When stored at -80°C, please use it within 6 months. When stored at -20°C, please use it within 1 month.
Please refer to the solubility information to select the appropriate solvent. Once prepared, please aliquot and store the solution to prevent product inactivation from repeated freeze-thaw cycles.
Storage method and period of stock solution: -80°C, 6 months; -20°C, 1 month (stored under nitrogen). When stored at -80°C, please use it within 6 months. When stored at -20°C, please use it within 1 month.
Concentration (start) × Volume (start) = Concentration (final) × Volume (final)
Purity & Documentation
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Data Sheet (275 KB)
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SDS (393 KB)
- English - EN (393 KB)
- Français - FR (393 KB)
- Deutsch - DE (393 KB)
- Norwegian - NO (393 KB)
- Español - ES (393 KB)
- Swedish - SV (393 KB)
- Italian - IT (393 KB)
- Korean - KR (393 KB)
- Portuguese - PT (393 KB)
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Handling Instructions (2659 KB)
References
[1]. Barry AL, et al. Cefpiramide: comparative in-vitro activity and beta-lactamase stability. J Antimicrob Chemother. 1985 Sep;16(3):315-25. [Content Brief]
[2]. Sato K, et al. Pharmacokinetics and bacteriological efficacies of apalcillin and cefpiramide in experimental pneumococcal meningitis. Antimicrob Agents Chemother. 1984 Oct;26(4):578-9. [Content Brief]
Complete Stock Solution Preparation Table
Please refer to the solubility information to select the appropriate solvent. Once prepared, please aliquot and store the solution to prevent product inactivation from repeated freeze-thaw cycles.
Storage method and period of stock solution: -80°C, 6 months; -20°C, 1 month (stored under nitrogen). When stored at -80°C, please use it within 6 months. When stored at -20°C, please use it within 1 month.
| Optional Solvent | Concentration Solvent Mass | 1 mg | 5 mg | 10 mg | 25 mg |
|---|---|---|---|---|---|
| DMSO | 1 mM | 1.6323 mL | 8.1614 mL | 16.3228 mL | 40.8070 mL |
| 5 mM | 0.3265 mL | 1.6323 mL | 3.2646 mL | 8.1614 mL | |
| 10 mM | 0.1632 mL | 0.8161 mL | 1.6323 mL | 4.0807 mL | |
| 15 mM | 0.1088 mL | 0.5441 mL | 1.0882 mL | 2.7205 mL | |
| 20 mM | 0.0816 mL | 0.4081 mL | 0.8161 mL | 2.0403 mL | |
| 25 mM | 0.0653 mL | 0.3265 mL | 0.6529 mL | 1.6323 mL | |
| 30 mM | 0.0544 mL | 0.2720 mL | 0.5441 mL | 1.3602 mL | |
| 40 mM | 0.0408 mL | 0.2040 mL | 0.4081 mL | 1.0202 mL | |
| 50 mM | 0.0326 mL | 0.1632 mL | 0.3265 mL | 0.8161 mL | |
| 60 mM | 0.0272 mL | 0.1360 mL | 0.2720 mL | 0.6801 mL | |
| 80 mM | 0.0204 mL | 0.1020 mL | 0.2040 mL | 0.5101 mL | |
| 100 mM | 0.0163 mL | 0.0816 mL | 0.1632 mL | 0.4081 mL |
Cefpiramide Related Classifications
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