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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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)