ChemicalBook > CAS DataBase List > Atorvastatin Acetonide tert-Butyl Ester

Atorvastatin Acetonide tert-Butyl Ester

Product Name
Atorvastatin Acetonide tert-Butyl Ester
CAS No.
125971-95-1
Chemical Name
Atorvastatin Acetonide tert-Butyl Ester
Synonyms
tert R;tert-Butyl (4R,6R)-2;Atorvastatin USP RC I;Atorvastatin calcium-9;Atorvastatin condensate;Atorvastatin Impurity I;Atorvastatin EP IMpurity I;Atorvastatin Acetonide ter;Atorvastatin intermediate L1;DIPROTECTED ATORVASTATIN (L1)
CBNumber
CB4317476
Molecular Formula
C40H47FN2O5
Formula Weight
654.81
MOL File
125971-95-1.mol
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Atorvastatin Acetonide tert-Butyl Ester Property

Melting point:
144-148 °C(lit.)
alpha 
6.5 º (c=1, chloroform)
Boiling point:
678.0±55.0 °C(Predicted)
Density 
1.14±0.1 g/cm3(Predicted)
storage temp. 
Refrigerator
solubility 
Chloroform (Slightly), DMSO (Slightly), Methanol (Slightly)
pka
13.57±0.70(Predicted)
form 
Solid
color 
White
optical activity
[α]20/D +6.5°, c = 1 in chloroform
InChIKey
NPPZOMYSGNZDKY-ROJLCIKYSA-N
SMILES
O1[C@H](CCN2C(C(C)C)=C(C(NC3=CC=CC=C3)=O)C(C3=CC=CC=C3)=C2C2=CC=C(F)C=C2)C[C@H](CC(OC(C)(C)C)=O)OC1(C)C
CAS DataBase Reference
125971-95-1(CAS DataBase Reference)
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Safety

Safety Statements 
24/25
RIDADR 
UN 2811 6.1 / PGII
WGK Germany 
3
HS Code 
29349990
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Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word
Warning
Hazard statements

H302Harmful if swallowed

H315Causes skin irritation

H319Causes serious eye irritation

H335May cause respiratory irritation

Precautionary statements

P261Avoid breathing dust/fume/gas/mist/vapours/spray.

P301+P312IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell.

P302+P352IF ON SKIN: wash with plenty of soap and water.

P304+P340IF INHALED: Remove victim to fresh air and Keep at rest in a position comfortable for breathing.

P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

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N-Bromosuccinimide Price

Sigma-Aldrich
Product number
1044593
Product name
Atorvastatin Related Compound I
Purity
United States Pharmacopeia (USP) Reference Standard
Packaging
20mg
Price
$1300
Updated
2025/07/31
Sigma-Aldrich
Product number
570826
Product name
tert-Butyl (4R,6R)-6-[2-[2-(4-fluorophenyl)-5-isopropyl-3-phenyl-4-(phenylcarbamoyl)-1-pyrrolyl]ethyl]-2,2-dimethyl-1,3-dioxane-4-acetate
Purity
97%
Packaging
1g
Price
$32
Updated
2023/06/20
TCI Chemical
Product number
B3690
Product name
tert-Butyl (4R,6R)-2-[6-[2-[2-(4-Fluorophenyl)-5-isopropyl-3-phenyl-4-(phenylcarbamoyl)pyrrol-1-yl]ethyl]-2,2-dimethyl-1,3-dioxan-4-yl]acetate
Purity
>98.0%(HPLC)(N)
Packaging
1g
Price
$73
Updated
2025/07/31
TCI Chemical
Product number
B3690
Product name
tert-Butyl (4R,6R)-2-[6-[2-[2-(4-Fluorophenyl)-5-isopropyl-3-phenyl-4-(phenylcarbamoyl)pyrrol-1-yl]ethyl]-2,2-dimethyl-1,3-dioxan-4-yl]acetate
Purity
>98.0%(HPLC)(N)
Packaging
5g
Price
$217
Updated
2025/07/31
Sigma-Aldrich
Product number
PHR1874
Product name
Atorvastatin Related Compound I
Purity
pharmaceutical secondary standard, certified reference material
Packaging
30mg
Price
$667.85
Updated
2025/07/31
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Atorvastatin Acetonide tert-Butyl Ester Chemical Properties,Usage,Production

Chemical Properties

White Solid

Uses

Atorvastatin Acetonide tert-Butyl Ester (Atorvastatin EP Impurity I) is an Atorvastatin intermediate.

Atorvastatin Acetonide tert-Butyl Ester Preparation Products And Raw materials

Raw materials

Preparation Products

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Atorvastatin Acetonide tert-Butyl Ester Suppliers

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View Lastest Price from Atorvastatin Acetonide tert-Butyl Ester manufacturers

WUHAN FORTUNA CHEMICAL CO., LTD
Product
Atorvastatin Acetonide tert-Butyl Ester 125971-95-1
Price
US $0.00-0.00/kg
Min. Order
1kg
Purity
99.8%
Supply Ability
1000kg
Release date
2025-10-09
Hangzhou ICH Biofarm Co., Ltd
Product
(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 125971-95-1
Price
US $0.00-0.00/KG
Min. Order
1KG
Purity
99
Supply Ability
500
Release date
2023-07-05
Longyan Tianhua Biological Technology Co., Ltd
Product
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 125971-95-1
Price
US $200.00/KG
Min. Order
1KG
Purity
99%
Supply Ability
20 Tons
Release date
2020-11-16

125971-95-1, Atorvastatin Acetonide tert-Butyl EsterRelated Search:

Pyrrolidine tert-Butanol Phenyl salicylate Polyvinylpyrrolidone tert-Butyl acetate Diphenyl ether 4-Aminobiphenyl Isopropyl alcohol N-Methyl-2-pyrrolidone tert-Butyl peroxyacetate N-Vinyl-2-pyrrolidone ISOPROPYL LAURATE 4-Isopropylaniline PHENYL VALERATE Atorvastatin lactone Atorvastatin Impurity 40 Defluoro Atorvastatin PHENYL RESIN

  • (4R-CIS)-[1,1-DIMETHYLETHYL-6-[(2-FLUOROPHENYL)-5-(1-METHYLETHYL)-3-PHENYL-4-[(PHENYLAMINO) CARBONYL]-1H-PYRROL-1-YL]ETHYL]-2, 2-DIMETHYL-1, 3-DIOXANE-4-ACETATE
  • (4R-CIS)-6-[2-[2-(4-FLUOROPHENYL)-5-(1-METHYLETHYL)-3-PHENYL-4-[(PHENYLAMINO)CARBONYL]-1H-PYRROL-1-YL]ETHYL]-2,2-DIMETHYL-1,3-DIOXANE-4-ACETIC ACID, 1,1-DIMETHYLETHYL ESTER
  • L-1(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
  • 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
  • tert-Butyl (4R,6R)-6-[2-[2-(4-fluorophenyl)-5-isopropyl-3-phenyl-4-(phenylcarbamoyl)-1-pyrrolyl]ethyl]-2,2-dimethyl-1,3-dioxane-4-acetate
  • tert-Butyl 2-[(4R,6R)-6-[2-[2-(4-fluorophenyl)-5-isopropyl-3-phenyl-4-(phenylcarbamoyl)-1H-pyrrol-1-yl]
  • (4R-cis)-1,1-dimethylethyl-6-[2-[2-(4-fluorophenyl)-3-phenyl-4-[(phenylamino)carbonyl]-1H-pyrrol-1-yl]ethyl]-2,2-dimethyl-1,3-dioxane-4-acetate
  • Atorvastatin Calcium Impurity E
  • 1,3-Dioxane-4-acetic acid, 6-[2-[2-(4-fluorophenyl)-5-(1-methylethyl)-3-phenyl-4-[(phenylamino)carbonyl]-1H-pyrrol-1-yl]ethyl]-2,2-dimethyl-, 1,1-dimethylethyl ester, (4R,6R)-
  • L-1tert-butyl 2-((4R,6R)-6-(2-(2-(4-fluorophenyl)-5-isopropyl-3-phenyl-4-(phenylcarbamoyl)-1H-pyrrol-1-yl)ethyl)-2,2-dimethyl-1,3-dioxan-4-yl)acetate
  • ert-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
  • tert-Butyl 2-((4R,6R)-6-(2-(2-(4-fluorophenyl)-5-isopropyl-3-phenyl-4-(phenyl-caramoyl)-1H-pyr
  • (4R-CIS)-1,1-DIMETHYLETHYL-6-[2-[2-(4-FLUOROPHENYL)-5-(1-METHYLETHYL)-3-PHENYL-4-[(PHENYLAMINO) CARBONYL]-1H-PYRROL-1-yl]ETHYL]-2,2-DIMETHYL-1,3-DIOXANE-4-ACETATE (ATORVASTATINE CONDENSATION PRODUCT / L-1)
  • tert-Butyl (4R,6R)-2
  • (4R-cis)-1,1-dimethylethyl-6-[2-[2-(4-fluorophenyl)-3-phenyl-4-[(phenylamino)carbonyl]-1H-pyrrol-1-yl]ethyl]-2,2-dimethyl-1,3-dioxane-4-acetate(L-1)
  • tert-Butyl (4R,6R)-2-[6-[2-[2-(4-Fluorophenyl)-5-isopropyl-3-phenyl-4-(phenylcarbaMoyl)pyrrol-1-yl]ethyl]-2,2-diMethyl-1,3-dioxan-4-yl]acetate
  • (4R,6R)-1,3-Dioxane-4-acetic acid, 6-[2-[2-(4-fluorophenyl)-5-(1-Methylethyl)-3-phenyl-4-[(phenylaMino)carbonyl]-1H-pyrrol-1-l]ethyl]- 2,2-diMethyl-1,1-diMethylethyl ester
  • (4R-cis)-1,1-diMethylethyl-6-[2-[2-(4-fluorophenyl)-3-phenyl-4-[(phenylaMino)carbonyl]-1H-pyrro-1-yl]ethyl]-2,2-diMethyl-1,3-dioxane-4-acetate
  • (4R-cis)-1,1-DiMethylethyl-6-[2-[2-(4-fluorophenyl)-5-(1-isoprophyl)-3-phenyl-4-[(phenylaMino)carbonyl]-1H-pyrrol-1-yl]-2,2-diMethyl-1,3-dioxane-4-acetate
  • Atorvastatin Related Compound I (20 mg) (tert-Butyl 2-((4R,6R)-6-{2-[2-(4-fluorophenyl)-5-isopropyl-3-phenyl-4-(phenylcarbamoyl)-1H-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)
  • Atorvastatin EP IMpurity I
  • Atorvastatin calciuM interMediate
  • tert-butyl 2-((4R,6R)-6-(2-(2-(4-fluorophenyl)-5-isopropyl-3-phenyl-4-(phenylcarbaMoyl)-1H-pyrrol-1-yl)ethyl)-2,2-diMethyl-1,3-dioxan-4-yl)acetate
  • Atorvastatin CalciuM InterMediate L1
  • tert-Butyl (4R,6R)-2-[[[6-(2-4-fluorop...
  • DIPROTECTED ATORVASTATIN (L1)
  • (4R,6R)-6-[2-[2-(4-Fluorophenyl)-5-(1-methylethyl)-3-phenyl-4-[(phenylamino)carbonyl]-1H-pyrrol-1-yl]ethyl]-2,2-dimethyl-1,3-dioxane-4-acetic acid t-butyl ester
  • tert-Butyl 2-((4R,6R)-6-(2-(2-(4-fluorophenyl)-5-isopropyl-3-phenyl-4-(phenyl-caramoyl)-1H-pyrrol
  • (4r,6r)-6-[2-[2-(4-fluorophenyl)-5-(1-methylethyl)-3-phenyl-4-[(phenylamino)carbonyl]-1h-pyrrol-1-yl]ethyl]-2,2-dimethyl-1,3-dioxane-4-acetic acid 1,1-dimethylethyl ester
  • Atorvastatin intermediate L1
  • (4R-Cis)-1,1-dimethylethyl-6-[2-[2-(4-fluoropheny) -5-(1-isopropyl)-3-phenyl-4-[(phenylamino) carbonyl]-1H-pyrrol-1-yl]ethy]-2,2-dimethyl-1, 3-dioxane-4-acetate
  • (4R, 6R)-1,3-DIOXANE-4-ACETIC ACID, 6-(&
  • Tert-Butyl (4R,6R)-2-[[[6-(2-4-Fluorophenyl)-5-Isopropyl-3-Phenyl-4-(Phenylcarbamoyl)Pyrrol-1Yl]Ethyl]-2,2-<br>Di-Methyl-1,3-Dioxan-4-Yl]Acetate
  • (4R-Cis)-1,1-dimethylethyl-6-[2-2-(4-fluorophenyl)-5-(1-methylethyl)-3-phenyl-4-
  • Atorvastatin Acetonide tert-Butyl Ester
  • Atorvastatin Impurity 30（Atorvastatin EP Impurity I）
  • Atorvastatin USP RC I
  • 2-[(4R,6R)-6-[2-[4-[anilino(oxo)methyl]-2-(4-fluorophenyl)-3-phenyl-5-propan-2-yl-1-pyrrolyl]ethyl]-2,2-dimethyl-1,3-dioxan-4-yl]acetic acid tert-butyl ester
  • Atorvastatin impurity 12/Atorvastatin EP Impurity I/Atorvastatin Acetonide tert-Butyl Ester/(4R,6R)-6-[2-[2-(4-Fluorophenyl)-5-(1-methylethyl)-3-phenyl-4-[(phenylamino)carbonyl]-1H-pyrrol-1-yl]ethyl]-2,2-dimethyl-1,3-dioxane-4-acetic Acid 1,1-Dimethylethy
  • Atorvastatin calcium-9
  • tert-Butyl 2-[(4R,6R)-6-[2-[2-(4-Fluorophenyl)-5-isopropyl-3-phenyl-4-(phenylcarbamoyl)pyrrol-1-yl]ethyl]-2,2-dimethyl-1,3-dioxan-4-yl]acetate
  • tert-Butyl (4R,6R)-2-[6-[2-[2-(4-Fluorophenyl)-5-isopropyl-3-phenyl-4-(phenylcarbamoyl)pyrrol-1-yl]ethyl]-2,2-dimethyl-1,3-dioxan-4-yl]acetate &gt
  • tert R
  • Atorvastatin impurity 12/Atorvastatin EP Impurity I/Atorvastatin Acetonide tert-Butyl Ester/(4R,6R)-6-[2-[2-(4-Fluorophenyl)-5-(1-methylethyl)-3-phenyl-4-[(phenylamino)carbonyl]-1H-pyrrol-1-yl]ethyl]-2,2-dimethyl-1,3-dioxane-4-acetic Acid 1,1-Dimethylethyl Ester
  • 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 [L-1]
  • Atorvastatin Acetonide t-Butyl Ester
  • Atorvastatin Acetonide tert-Butyl Ester（L1）
  • Atorvastatin acetylacetone tert-butyl ester
  • Atorvastatin imp I ( acetonide tert butyl ester)
  • "Atorvastatin condensate" Atorvastatin calcium Impurities (V)“
  • Atorvastatin condensate
  • USP Atorvastatin Related Compound I
  • Atorvastatin EP Impurity I/ Atorvastatin Related Compound I (Atorvastatin Acetonide t-Butyl Ester)
  • Atorvastatin Impurity I
  • (4R-CIS)-1,1-DIMETHYLETHYL-6-[2-[2-(4-FLUOROPHENYL)-5-(1-MET...
  • Atorvastatin EP Impurity IQ: What is Atorvastatin EP Impurity I Q: What is the CAS Number of Atorvastatin EP Impurity I Q: What is the storage condition of Atorvastatin EP Impurity I Q: What are the applications of Atorvastatin EP Impurity I
  • ATV imp I ( acetonide tert butyl ester)