Chemical name: [(3R, 5R)-7-[2-(4-Fluorophenyl)-5-Isopropyl-3-Phenyl-4-(Pheynylcarbamoyl) Pyrrol-1-yl]-3, 5 -Dihydroheptanoic Acid, calcium salt (2:1) Trihydrate
L5(Atorvastatin Calcium amorphous):(3R,5R)-7-[2-(4-Fluorophenyl)-5-Isopropyl-3-Phenyl
-4-(Pheynylcarbamoyl)Pyrrol-1-yl]-3,5-Dihydroheptanoic Acid, calcium salt (2:1) Trihydrate
CAS: 134523-03-8
Uses: used in the production of Lipid-lowering drugs
Uses: used in the production of Lipid-lowering drugs
Test Items |
Standard |
Character |
A white or almost white Amorphous powder |
specific optical rotation |
-7.0~-9.0 |
Water % |
≤0.5 |
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 |
≤ 0.3% |
Other individual unknown Impurity % |
≤ 0.25% |
Total impurity |
≤ 1.0% |
Assay % |
98.0-102.0 |
|