Intermedios farmacéuticos de zopiclona II CAS 43200-81-3 Intermedio II de eszopiclona
Pharmaceutical Intermediate II of Zopiclone CAS 43200-81-3 (not Zopiclone , for making Zopiclone )
Pharmaceutical Intermediate II of Zopiclone
Nombre químico: 6-(5-Chloro-2-pyridyl)-6,7-dihydro-7-hydroxy-5H-pyrrolo[3,4-b]pyrazin-5-one
CAS: 43200-81-3
FM: C11H7ClN4O2
MW: 262.65
EINECS: 256-139-4
Propiedades químicas: Light Yellow Crystalline Powder
Punto de fusion: 240.5-241.50C
Categorías de Producto: Aromatics Compounds;Aromatics;Heterocycles;Intermedios & Fine Chemicals;Pharmaceuticals
Uses: Eszopiclone intermediate, Eszopiclone Impurity B.
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Product name
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Pharmaceutical Intermediates II of Zopiclone
6-(5-Chloro-2-pyridyl)-6,7-dihydro-7-hydroxy-5H-pyrrolo[3,4-b]pyrazin-5-one
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CAS
No CAS.
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43200-81-3
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Outer Packing
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25kg/
25KG/ cardboard drum
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Fecha de producción
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2017-03-10
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Duración
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2019-03-09
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Norma adoptada
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Enterprise standards
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Elementos de análisis
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Especificación
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Resultados
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Apariencia
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Yellow or light yellow crystalline powder
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Light yellow crystalline powder
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Punto de fusion
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≥230ºC
≥230ºC
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236.3ºC
236.3ºC
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Loss oa drying
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≤0.5%
≤0.5%
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0.10%
0.10%
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Residue on ignition
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≤0.2%
≤0.2%
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0.11%
0.11%
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Heavy metals
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≤20ppm
≤20ppm
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<20ppm
<20ppm
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Ensayo
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≥98.0%
≥98.0%
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99.9%
99.9%
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Conclusión
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Calificado
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