| Item No. | Chemical Name | CAS No. | Structure | Typical Usage | CN Name |
| 1 | Methyl isobutyrylacetate; Methyl 4-methyl-3-oxopentanoate (M1) |
42558-54-3 | ![]() |
Atorvastatin Calcium 阿托伐他汀钙 |
异丁酰乙酸甲酯(M1) |
| 2 | (4R,CIS)-1,1-DIMETHYLETHYL-6-CYANOMETHYL-2,2-DIMETHYL-1,3-DIOXANE-4-ACETATE; (4R,6R)-tert-Butyl-6-cyanomethyl-2,2-dimethyl-1,3-dioxane-4-acetate (AST-8) |
125971-94-0 | ![]() |
Atorvastatin Calcium 阿托伐他汀钙 |
阿伐他汀钙侧链ATS-8 |
| 3 | 4-Fluoro-Alpha-(2-Methyl-1-Oxopropyl)-Gamma-Oxo-N,Beta-Diphenylbenzene Butaneamide; 2-(2-(4-fluorophenyl)-2-oxo-1-phenylethyl)-4-methyl-3-oxo-N-phenylpentanamide (M4) |
125971-96-2 | ![]() |
Atorvastatin Calcium 阿托伐他汀钙 |
阿托伐他汀钙(M4) |
| 4 | (4R-CIS)-1,1-DIMETHYLETHYL-6-(2-(2-(4-FLUOROPHENYL)-5-(1-ISOPROPYL)-3-PHENYL-4-((PHENYLAMINO)CARBONYL)-1H-PYRROL-1-YL); tert-Butyl (4R,6R)-2-[[[6-(2-4-fluorophenyl)-5-isopropyl-3-phenyl-4-(phenylcarbamoyl)pyrrol-1-yl]ethyl]-2,2-dimethyl-1,3-dioxan-4-yl]acetate (L1) | 125971-95-1 | ![]() |
Atorvastatin Calcium 阿托伐他汀钙 |
阿托伐他汀钙 L1 |



![4-Fluoro-Alpha-(2-Methyl-1-Oxopropyl)-Gamma-Oxo-N,Beta-Diphenylbenzene Butaneamide (M4); 4-fluoro- α -[2-methyl-1-oxopropyl]- γ -oxo-N, β - diphenylbenzene butaneamide](http://hangzhoubiopak.com/wp-content/uploads/2022/06/2-2-4-fluorophenyl-2-oxo-1-phenylethyl-4-methyl-3-oxo-N-phenylpentanamide.png)
![tert-Butyl (4R,6R)-2-[[[6-(2-4-fluorophenyl)-5-isopropyl-3-phenyl-4-(phenylcarbamoyl)pyrrol-1-yl]ethyl]-2,2-dimethyl-1,3-dioxan-4-yl]acetate; (4R-CIS)-1,1-DIMETHYLETHYL-6-(2-(2-(4-FLUOROPHENYL)-5-(1-ISOPROPYL)-3-PHENYL-4-((PHENYLAMINO)CARBONYL)-1H-PYRROL-1-YL)](http://hangzhoubiopak.com/wp-content/uploads/2022/06/125971-95-1-tert-Butyl-4R6R-2-6-2-4-fluorophenyl-5-isopropyl-3-phenyl-4-phenylcarbamoylpyrrol-1-ylethyl-22-dimethyl-13-dioxan-4-ylacetate.png)