Cefamandole sodium
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Cefamandole (Cephamandole) sodium is a semi-synthetic second-generation cephalosporin antibiotic with broad-spectrum antimicrobial activity. Cefamandole sodium is resistant to hydrolysis by β-lactamases produced by some Gram-negative bacteria. Cefamandole sodium kills Gram-positive cocci and various Gram-negative bacilli mainly by inhibiting cell wall synthesis, but it is inactive against Pseudomonas, Proteus vulgaris and Providencia stuartii, and its efficacy is affected by inoculum size. The plasma elimination half-life of Cefamandole sodium in rats is only 0.4 h, it is mainly excreted in urine in biologically active form, and it hardly penetrates the non-inflamed blood-brain barrier. Cefamandole sodium is widely used in studies related to bacterial infections.
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- Purity: 95.0%
- CAS No.: 30034-03-8
- 화학식: C18H17N6NaO5S2
- 분자량:484.48
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보관:
-20°C, sealed storage, away from moisture
* In solvent : -80°C, 6 months; -20°C, 1 month (sealed storage, away from moisture)
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Biological Activity
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Chemical Information
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용액&용해도
- 순도&문서
- References
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Help & FAQs
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Biological Activity
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β-lactam |
Cefamandole (sodium) (30 μg/mL; 0, 1, 3, 6, 12 h) is hydrolyzed by beta-lactamases from Enterobacter cloacae, Serratia marcescens, and Proteus morganii, allowing bacterial growth to resume after hydrolysis is complete, while Pseudomonas aeruginosa grows despite cefamandole presence prior to hydrolysis[1].
Cefamandole (sodium) (0.12-64 μg/mL; 18 h) inhibits 90-100% of methicillin-susceptible S. aureus, group A and B streptococci, S. pneumoniae, N. gonorrhoeae, H. influenzae, and S. typhosa[3].
MedChemExpress (MCE) has not independently confirmed the accuracy of these methods. They are for reference only.
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Cell Line:Methicillin-susceptible S. aureus, group A and B streptococci, S. pneumoniae, N. gonorrhoeae, H. influenzae, and S. typhosa
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Concentration:Cefamandole:
0.12, 0.25, 0.5, 1, 2, 4, 8, 16, 32, 16 μg/mL -
Incubation Time:18 h
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Result:Inhibited 90-100% of methicillin-susceptible S. aureus, group A and B streptococci, S. pneumoniae, N. gonorrhoeae, H. influenzae, and S. typhosa at concentrations of 2 μg/mL or less, with variable activity against gram-negative rods including 70% of E. coli inhibited at 4 μg/mL and 80% of B. fragilis subsp. fragilis inhibited at 32 μg/mL.
Cefamandole sodium (50 mg/kg; intravenous administration; single dose) exhibits free drug pharmacokinetic characteristics consistent with a two-compartment model in male Sprague-Dawley rats, with an elimination half-life of 21.6 min[5].
MedChemExpress (MCE) has not independently confirmed the accuracy of these methods. They are for reference only.
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Animal Model:Sprague-Dawley (male, adult, 280-350 g, specific pathogen-free)[5]
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Dosage:50 mg/kg
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Administration:i.v.; single dose
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Result:Achieved an in vivo microdialysis recovery of 55.44% (n=6) at an infusion concentration of 1 μg/mL.
Fitted a two-compartment pharmacokinetic model with parameters: A = 148.4 ± 34.3 μg/mL, B = 16.9 ± 4.2 μg/mL, α = 0.11 ± 0.01 1/min, β = 0.033 ± 0.003 1/min, distribution half-life (t1/2,α) = 6.4 ± 0.5 min, elimination half-life (t1/2,β) = 21.6 ± 1.6 min, AUC = 1799.4 ± 254.7 μg min/mL, volume of distribution (Vd) = 372.2 ± 87.4 mL, clearance (Cl) = 30.5 ± 5.0 mL/min/kg, mean residence time (MRT) = 15.4 ± 1.1 min (n=5).
Chemical Information
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CAS No. 30034-03-8
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Appearance Solid
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분자량 484.48
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화학식 C18H17N6NaO5S2
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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](O)C4=CC=CC=C4)=O)C1=O)O[Na]
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Synonyms
Cephamandole sodium
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선적
Room temperature in continental US; may vary elsewhere.
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보관
-20°C, sealed storage, away from moisture
* In solvent : -80°C, 6 months; -20°C, 1 month (sealed storage, away from moisture)
용액&용해도
H2O : 250 mg/mL (516.02 mM; Need ultrasonic)
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 (sealed storage, away from moisture). When stored at -80°C, please use it within 6 months. When stored at -20°C, please use it within 1 month.
* Note: If you choose water as the stock solution, please dilute it to the working solution, then filter and sterilize it with a 0.22 μm filter before use.
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 (sealed storage, away from moisture). When stored at -80°C, please use it within 6 months. When stored at -20°C, please use it within 1 month.
* Note: If you choose water as the stock solution, please dilute it to the working solution, then filter and sterilize it with a 0.22 μm filter before use.
Concentration (start) × Volume (start) = Concentration (final) × Volume (final)
For the following dissolution methods, please prepare the working solution directly:
It is recommended to prepare fresh solutions and use them promptly within a short period of time.
The percentages shown for the solvents indicate their volumetric ratio in the final prepared solution. If precipitation or phase separation occurs during preparation, heat and/or sonication can be used to aid dissolution.
Add each solvent one by one: PBS
Solubility: 100 mg/mL (206.41 mM); Clear solution; Need ultrasonic
순도&문서
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Data Sheet (280 KB)
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SDS (558 KB)
- English - EN (558 KB)
- Français - FR (558 KB)
- Deutsch - DE (558 KB)
- Norwegian - NO (558 KB)
- Español - ES (558 KB)
- Swedish - SV (558 KB)
- Italian - IT (558 KB)
- Korean - KR (558 KB)
- Portuguese - PT (558 KB)
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Handling Instructions (2659 KB)
References
[1]. Neu HC, et al. Cefamandole, a cephalosporin antibiotic with an unusually wide spectrum of activity. Antimicrob Agents Chemother. 1974;6(2):177-182. [Content Brief]
[2]. Eykyn S, et al. Antibacterial activity of cefamandole, a new cephalosporin antibiotic, compared with that of cephaloridine, cephalothin, and cephalexin. Antimicrob Agents Chemother. 1973;3(6):657-661. [Content Brief]
[3]. Griffith RS, et al. Cefamandole: in vitro and clinical pharmacokinetics. Antimicrob Agents Chemother. 1976;10(5):814-823. [Content Brief]
[4]. Lee FH, et al. Comparative tissue distribution of ceforanide, cefazolin, and cefamandole in rats. Antimicrob Agents Chemother. 1981;19(4):625-627. [Content Brief]
[5]. Yeh PH, et al. Determination of unbound cefamandole in rat blood by microdialysis and microbore liquid chromatography. Biomed Chromatogr. 2001;15(1):14-17. [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 (sealed storage, away from moisture). 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 |
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| H2O | 1 mM | 2.0641 mL | 10.3203 mL | 20.6407 mL | 51.6017 mL |
| 5 mM | 0.4128 mL | 2.0641 mL | 4.1281 mL | 10.3203 mL | |
| 10 mM | 0.2064 mL | 1.0320 mL | 2.0641 mL | 5.1602 mL | |
| 15 mM | 0.1376 mL | 0.6880 mL | 1.3760 mL | 3.4401 mL | |
| 20 mM | 0.1032 mL | 0.5160 mL | 1.0320 mL | 2.5801 mL | |
| 25 mM | 0.0826 mL | 0.4128 mL | 0.8256 mL | 2.0641 mL | |
| 30 mM | 0.0688 mL | 0.3440 mL | 0.6880 mL | 1.7201 mL | |
| 40 mM | 0.0516 mL | 0.2580 mL | 0.5160 mL | 1.2900 mL | |
| 50 mM | 0.0413 mL | 0.2064 mL | 0.4128 mL | 1.0320 mL | |
| 60 mM | 0.0344 mL | 0.1720 mL | 0.3440 mL | 0.8600 mL | |
| 80 mM | 0.0258 mL | 0.1290 mL | 0.2580 mL | 0.6450 mL | |
| 100 mM | 0.0206 mL | 0.1032 mL | 0.2064 mL | 0.5160 mL |
* Note: If you choose water as the stock solution, please dilute it to the working solution, then filter and sterilize it with a 0.22 μm filter before use.
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