Intermédiaires pharmaceutiques Zopiclone II CAS 43200-81-3 Intermédiaire II de l'eszopiclone
Pharmaceutical Intermediate II of Zopiclone CAS 43200-81-3 (not Zopiclone , for making Zopiclone )
Pharmaceutical Intermediate II of Zopiclone
Nom chimique: 6-(5-Chloro-2-pyridyl)-6,7-dihydro-7-hydroxy-5H-pyrrolo[3,4-b]pyrazin-5-one
CAS: 43200-81-3
MF: C11H7ClN4O2
MW: 262.65
EINECS: 256-139-4
Propriétés chimiques: Light Yellow Crystalline Powder
Point de fusion: 240.5-241.50C
catégories de produits: Aromatics Compounds;Aromatics;Heterocycles;Intermediates & 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
n ° 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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Date de production
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2017-03-10
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Durée de conservation
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2019-03-09
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Norme adoptée
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Enterprise standards
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Éléments d'analyse
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spécification
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Résultats
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Apparence
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Yellow or light yellow crystalline powder
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Light yellow crystalline powder
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Point 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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Essai
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≥98.0%
≥98.0%
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99.9%
99.9%
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Conclusion
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Qualifié
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