 |
Atorvastatin series: |
 |
|
(R)-4-cyano-3-hydrobutyric acid ethyl ester |
|
|
(4R,Cis)-1,1-dimethylethyl
-6-cyanomethyl-2,2-dimethyl-1,3-dioxane-4-acetate |
|
|
(4R,Cis)-1,1-dimethylethyl
6-aminoethyl-2,2-dimethyl
-1,3-dioxane-4-Acetate |
|
|
(4R-cis)-1,1-dimethylethyl-6-[2-[2-(4-fluorophenyl)-5-(1-isopropyl)-3-phenyl-4-[(phenylamino)carbonyl]-1H-pyrrol-1-yl]ethyl]-2,2-dimethyl-1,3-dioxane-4-acetate |
|
|
4-Fluoro-a-[2-Methyl-1-Oxopropyl]-γ-Oxo-N,ß-Diphenyl
Benzene Butane Amide |
|
|
Methyl isobutyryl acetate |
|
 |
Bulk drugs: |
|
|
atorvastatin calcium |
|
|
|
cyromazine |
|
|
Intermediates
: |
|
|
Methyl 3-oxovalerate |
|
|
2,3-Dichloro-5,6-dicyano-1,4-benzoquinone |
|
|
Trimethyl borate |
|
|
10-Methoxy Iminostilbene |
|
|
2-thiophene ethanol |
|
|
2-Ethylphenyl hydrazine
HCl |
|
|
 |
| Methyl 3-oxovalerate |
| Product name: |
Methyl 3-oxopentanoate;
Methyl propionylacetate; Methyl 3-oxo pentanoate |
| CAS: |
30414-53-0 |
| Molecular weight: |
130.2 |
| Molecular formula: |
CH3CH2COCH2COOCH3 |
| Quality standard: |
Enterprise standard
Item |
First-grade product |
Authentication |
IR is in accordance with
illustration |
Appearance |
Colorless, transparent liquid |
Refractive index |
1.420-1.425 |
HP value |
4.3-5.6 |
Methyl acetoacetate |
≤0.2% |
Other single impurity |
≤0.2% |
Total impurities |
≤1.0% |
Content |
≥99.0% |
Ethyl propionylpentanoate |
≤0.20% |
Specific gravity |
1.035-1.045 |
Water content |
≤0.20% |
|
| Packing: |
200kg/pail |
| Storage: |
Kept in cool, place; sealed. |
|
|
| |
 |
|
