| CAS No.: | 126-07-8 |
|---|---|
| Formula: | C17h17clo6 |
| Type: | Pharmaceutical Intermediates |
| Appearance: | Powder |
| Colour: | White |
| Shipment: | 5 Days |
| Customization: |
|---|
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Type: API| Items | Standard |
| Description | A white or yellowish-white,microfine powder. |
| Particle size | The particles of which are generally up tp 5μm in max dimension |
| Larger particles which may occasionally exceed 30μm | |
| Melting point | About 220ºC |
| Identification | The infrared absorbance spectrum is concordant with the reference spectrum |
| A wine-red color develops | |
| Appearance of solution | The solution is clear and not more intensely coloured than reference solution Y4 |
| Acidity | Not more than 1.0ml of 0.02M sodium hydroxid is required |
| Specific optical rotation | +354°~+364° |
| Related Substances | -Cl:<0.60 |
| -H:<0.15 | |
| Substances soluble in light petroleum | ≤0.2% |
| Loss on drying | ≤1.0% |
| Sulphated ash | ≤0.2% |
| Residual solvents | Ethanol≤0.5% |
| Acctone≤0.5% | |
| Dichoromethane≤0.06% | |
| Abnormal toxicity | Five mice orals,none of die mice dies within 48h |
| Assay(dried substance) | 97.0%~102.0% |
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