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Nitrocefin is a chromogenic β-lactamase substrate that undergoes distinctive color change from yellow to red as the amide bond in the β-lactam ring is hydrolyzed by β-lactamase. Nitrocefin is used in competitive inhibition studies in developmental work on β-lactamase-resistant antibiotics.
| Molecular Weight | 516.5 |
| Formula | C21H16N4O8S2 |
| CAS Number | 41906-86-9 |
| Form | Solid |
| Solubility (25°C) | DMSO 100 mg/mL (ultrasonic) |
| Storage |
Powder -20°C 3 years ; 4°C 2 years In solvent -80°C 6 months ; -20°C 1 month |
[5] Mijoon Lee, et al. J Org Chem. A practical synthesis of nitrocefin
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