Atorvastatin Intermediates (L-5)

We are instrumental in providing to our valuable customers excellent quality Atorvastatin Intermediates (L-5) which is available with following specification:
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(Atorvastatins 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
Test ItemsStandard
CharacterA white or almost white Amorphous powder
specific optical rotation-7.0~-9.0
Water %a 0.5
Ca %3.0-3.6
X-RAY Diffractionamorphous
Heavy Metals (ppm) a 10

Impurity(HPLC)Atorvastatin Lactonea 0.3%
Desfluoro-Atorvastatins Calciuma 0.3%
Diamine -Atorvastatins Calciuma 0.3%
Isomer-Atorvastatins Calciuma 0.3%
Other individual unknown Impurity %a 0.25%
Total impuritya 1.0%
Assay %98.0-102.0

Packing Size Less than 1Kg: Foil Bags
Less than 20 Kg: Big or small Aluminum barrel or Cartons
More than 20 Kg: 25KG/ Bins or Cartons
Note Powder