2-Chloro-8-cyclopentyl-5-methylpyrido[2,3-d]pyrimidin-7(8H)-one
2-chloro-8-cyclopentyl-5-methylpyrido[2,3-d]pyrimidin-7(8H)-one
Product Name |
2-chloro-8-cyclopentyl-5-methylpyrido[2,3-d]pyrimidin-7(8H)-one |
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Synonyms |
2-chloro-8-cyclopentyl-5-Methylpyrido[2,3-d]pyriMidin-7(8H)-one;Pyrido[2,3-d]pyriMidin-7(8H)-one, 2-chloro-8-cyclopentyl-5-Methyl-;2-chloro-8-cyclopentyl-5-Me |
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CAS |
1013916-37-4 |
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Molecular formula |
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Molecular Weight |
263.73 |
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Molecular Structure |
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General Description |
A white or off white crystalline powder |
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Usage |
Palbociclib intermediate |
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Package |
25kg/drum Palbociclib intermediate |
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Specifications |
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Items |
Standard |
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Appearance |
A white or off white crystalline powder |
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Solubility |
Freely soluble in chloroform |
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Specific rotation(0)[α]D20 |
+75~+84 |
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Loss on drying(%) |
≤1.0 |
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Residue on ignition(%) |
≤0.1 |
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Heavy metals(ppm) |
≤20 |
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Metling point() |
178-193 centi-degree |
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Purity(HPLC,%) |
≥98.0 |
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Related substances(HPLC) |
Single impurity: ≤0.5% Total impurity: ≤1.0% |
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