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| >>Atorvastatin intermediates L-5>> |
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| Atorvastatin intermediates L-5 |
Molecular formula: (3R ,5R )-7-[2-(4-Fluorophenyl)-5-Isopropyl-3-Phenyl-4-(Pheynylcarbamoyl) Pyrrol-1-yl]-3 ,5 -Dihydroheptanoic Acid, calcium salt (2:1) Trihydrate
Assay: ≥ 98%
CAS:134523-03-8
Usage: Use to made Antihyperlipidemia
Test Items |
Standard |
Character |
A white or almost white Amorphous powder |
specific optical rotation |
-7.0~-9.0 |
Water % |
≤ 3.5 |
Ca % |
3.0~3.6 |
| X-RAY Diffraction |
amorphous |
Heavy Metals ( ppm ) |
≤ 10 |
Impurity (HPLC) |
Atorvastatin Lactone |
≤ 0.3% |
Desfluoro-atorvastatin calcium |
≤ 0.3% |
Diamine -atorvastatin calcium |
≤ 0.3% |
Isomer-atorvastatin calcium |
≤ 0.2% |
Other individual unknown Impurity % |
≤ 0.25% |
Total impurity |
≤ 1.0% |
Assay % |
98.0-102.0 |
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