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Atorvastatin Impurity

Veeprho Laboratories is a manufacturer and supplier of Atorvastatin Impurities like Atorvastatin Cyclo FP Impurity, Atorvastatin Impurity F / Diamino Impurity, Atorvastatin Related Compound B / (3S,5R isomer), Atorvastatin Related compound D/ Epoxide Impurity, Oxo Atorvastatin Impurity, Atorvastatin Methyl Ester, Atorvastatin -3-O-Methyl, Atorvastatin Impurity G, Atorvastatin Lactone / Atorvastatin USP Related compound H / Atorvastatin EP Impurity H, Atorvastatin Related Compound I / Acetonide Impurity, Atorvastatin Butyl Ester Impurity / Atorvastatin tert-Butyl Ester, Desfluoro Atorvastatin (Atorvastatin Related Compound A), Atorvastatin Related Compound C / Difluoro Impurity, Atorvastatin EP Impurity E / Atorvastatin Related Compound E / 3S 5S Isomer, Atorvastatin FX1 Impurity / Atorvastatin Cyclic Fluorophenyl (Cyclo FP) / Atorvastatin Epoxy Pyrrolooxazin 7-Hydroxy analog, Atorvastatin FXA Impurity / Atorvastatin Cyclic Isopropyl (Cyclo IP) / Atorvastatin Epoxy Pyrrolooxazin 6-Hydroxy analog, Atorvastatin Epoxy THF Analog, Atorvastatin Pyrrolidone Analog (USP) / Atorvastatin Lactam Calcium Salt, 4-Hydroxy Atorvastatin Monosodium Salt, Atorvastatin Diepoxide Calcium Salt, Atorvastatin Process Impurity, Atorvastatin Degradation Impurity and Atorvastatin Potential Impurity. These impurities are provided with certificate of analysis along with the characterization data like NMR MASS IR and HPLC Purity. We also provide additional data like C NMR, CHN, TGA RF on request.


We are also manufacturer and supplier of all Atorvastatin USP, EP, BP pharmacopoeia impurities, any unknown impurity, APIs and intermediates with structure elucidation with help of C NMR, H NMR, MASS, CHN, HPLC data. On request we also manufacture and supply all impurity of Atorvastatin as per pharmacopoeia RRT.


We also manufacture and supply all Atorvastatin impurities like Atorvastatin Cyclo FP Impurity, Atorvastatin Impurity F / Diamino Impurity, Atorvastatin Related Compound B / (3S,5R isomer), Atorvastatin Related compound D/ Epoxide Impurity, Oxo Atorvastatin Impurity, Atorvastatin Methyl Ester, Atorvastatin -3-O-Methyl, Atorvastatin Impurity G, Atorvastatin Lactone / Atorvastatin USP Related compound H / Atorvastatin EP Impurity H, Atorvastatin Related Compound I / Acetonide Impurity, Atorvastatin Butyl Ester Impurity / Atorvastatin tert-Butyl Ester, Desfluoro Atorvastatin (Atorvastatin Related Compound A), Atorvastatin Related Compound C / Difluoro Impurity, Atorvastatin EP Impurity E / Atorvastatin Related Compound E / 3S 5S Isomer, Atorvastatin FX1 Impurity / Atorvastatin Cyclic Fluorophenyl (Cyclo FP) / Atorvastatin Epoxy Pyrrolooxazin 7-Hydroxy analog, Atorvastatin FXA Impurity / Atorvastatin Cyclic Isopropyl (Cyclo IP) / Atorvastatin Epoxy Pyrrolooxazin 6-Hydroxy analog, Atorvastatin Epoxy THF Analog, Atorvastatin Pyrrolidone Analog (USP) / Atorvastatin Lactam Calcium Salt, 4-Hydroxy Atorvastatin Monosodium Salt, Atorvastatin Diepoxide Calcium Salt etc. which are to be isolated by preparative HPLC and Lyophilized.


All the Atorvastatin impurities are manufactured and supplied by Veeprho Laboratories are acceptable to all regulatory agencies in the world like US-FDA, MHRA, MCC, WHO, Brazil and Japan.


These Atorvastatin impurities are also used for ANDA filling/DMF filling and genotoxic study.


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Atorvastatin Related Compound A : CAS No. 433289-83-9 | Atorvastatin Related Compound B : CAS No. 887196-25-0 | Atorvastatin Related Compound C : CAS No. 693793-53-2 | Atorvastatin Related Compound D : CAS No. 148146-51-4 | Atorvastatin Related Compound E : CAS No. 1105067-88-6 | Atorvastatin Impurity G : CAS No. 887324-53-0 | Atorvastatin Methyl Ester : CAS No. 345891-62-5 | Atorvastatin Tert-Butyl Ester : CAS No. 134395-00-9


Atorvastatin Impurities :-


Untitled Document

Atorvastatin Cyclo FP Impurity
Atorvastatin Cyclo FP Impurity

4-[1b-(4-Fluoro-phenyl)-6-hydroxy-6-isopropyl-1a-phenyl-6a-phenylcarbamoylhexahydro- 1,2-dioxa-5a-aza-cyclo-propa[a]inden-3-yl]-3-(R)-hydroxy-butyric acid

Catalogue No : VL10008


Atorvastatin Impurity F / Diamino Impurity
Atorvastatin Impurity F / Diamino Impurity

(3R,5R)-7-[[(3R,5R)-7-[2-(4-Fluorophenyl)-5-(1-methylethyl)-3-phenyl-4- [(phenylamino)carbonyl]-1H-pyrrol-1-yl]-3,5-dihydroxy-1-oxoheptyl]amino]-3,5-dihydroxyheptanoic Acid Calcium Salt

Catalogue No : VL10011


Atorvastatin Related Compound B / (3S,5R isomer)
Atorvastatin Related Compound B / (3S,5R isomer)

(3S,5R)-7-[3-(phenylcarbomoyl)-5-(4-fluorophenyl)-2-isopropyl-4-phenyl-1H-pyrrol-1-yl]-3,5-dihyroxyheptanoicacid, calcium salt.

Catalogue No : VL10001


Atorvastatin Related compound D/ Epoxide Impurity
Atorvastatin Related compound D/ Epoxide Impurity

Atorvastatin epoxide impurity OR 3-(4-fluorophenyl)-2-isobutyryl-3-phenyloxirane- 2-carboxylic acid phenylamide

Catalogue No : VL10003


Oxo Atorvastatin Impurity
Oxo Atorvastatin Impurity

4-[6-(4-Fluoro-phenyl)-6-hydroxy-1b-isopropyl-6a-phenyl-1a-phenylcarbamoylhexahydro- 1,2-dioxa-5a-aza-cyclo-propa[a]inden-3-yl]-3-(R)-hydroxy-butyric acid.

Catalogue No : VL10007


Atorvastatin Methyl Ester
Atorvastatin Methyl Ester

(3R,5R)-7-[3-(Phenylcarbamoyl)-5-(4-fluorophenyl)-2-isopropyl-4-phenyl-1H-pyrrol-1-yl]-3,5dihydroxyheptanoicacid methyl ester

Catalogue No : VL10009


Atorvastatin -3-O-Methyl (Atorvastatin Impurity G)
Atorvastatin -3-O-Methyl (Atorvastatin Impurity G)

2-(4-Fluorophenyl)-δ-hydroxy-β-methoxy-5-(1-methylethyl)-3-phenyl-4-[(phenylamino)carbonyl]-1H-pyrrole-1- heptanoic Acid Calcium Salt.

Catalogue No : VL10010


Atorvastatin Lactone / Atorvastatin USP Related compound H / Atorvastatin EP Impurity H
Atorvastatin Lactone / Atorvastatin USP Related compound H / Atorvastatin EP Impurity H

5-(4-Fluorophenyl)-2-(1-methylethyl)-N,4-diphenyl-1-[2-[(2R,4R)-tetrahydro-4-hydroxy-6-oxo-2H-pyran-2-yl]ethyl]-1H-pyrrole-3-carboxamide

Catalogue No : VL10002


Atorvastatin Related Compound I / Acetonide Impurity
Atorvastatin Related Compound I / Acetonide Impurity

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.

Catalogue No : VL10012


Atorvastatin Butyl Ester Impurity/ Atorvastatin tert-Butyl Ester
Atorvastatin Butyl Ester Impurity/ Atorvastatin tert-Butyl Ester

5-(4-Fluorophenyl)-2-(1-methylethyl)-N,4-diphenyl-1-[2-[(2R,4R)-tetrahydro-4-hydroxy-6-oxo-2H-pyran-2-yl]ethyl]-1H-pyrrole-3-carboxamide

Catalogue No : VL10013


Desfluoro Atorvastatin (Atorvastatin Related Compound A)
Desfluoro Atorvastatin (Atorvastatin Related Compound A)

(3R, 5R)-7-[3-(phenylcarbamoyl)-2-isopropyl-4,5- diphenyl-1H-pyrrol-1-yl]-3,5-dihydroxyheptanoic acid calcium salt)

Catalogue No : VL10004


Atorvastatin Related Compound C / Difluoro Impurity
Atorvastatin Related Compound C / Difluoro Impurity

(3R,5R)-7-[3-(phenylcarbomoyl)-4,5-bis(4-fluorophenyl)-2-isopropyl-1H-pyrrol-1-yl]-3,5-dihyroxyheptanoic acid, calcium salt.

Catalogue No : VL10005


Atorvastatin EP Impurity E/ Atorvastatin Related Compound E/3S 5S Isomer
Atorvastatin EP Impurity E/ Atorvastatin Related Compound E/3S 5S Isomer

(3S,5S)-7-[3-(phenylcarbamoyl)-5-(4-fluorophenyl)-2-isopropyl-4-phenyl-1Hpyrrol- 1-yl]-3,5-dihyroxyheptanoic acid, calcium salt.

Catalogue No : VL10006


Atorvastatin Diepoxide Calcium Salt
Atorvastatin Diepoxide Calcium Salt

7-[N-Phenyl-2-[4-(4-fluorophenyl]-6-methylethyl]-3,7-dioxa-5-azatricyclo [4.1.0.02,4]-4-[{phenylamino}carboxamiide]-(3R,5R)-3,5-dihydroxyheptanoic Acid Calcium Salt

Catalogue No : VL10014


4-Hydroxy Atorvastatin Monosodium Salt
4-Hydroxy Atorvastatin Monosodium Salt

Sodium (3R,5R)-7-(2-(4-fluorophenyl)-4-((4-hydroxyphenH-pyrrol-1-yl)-3,5- dihydroxyheptanoate

Catalogue No : VL10015


Atorvastatin Pyrrolidone Analog (USP) / Atorvastatin Lactam Calcium Salt
Atorvastatin Pyrrolidone Analog (USP) / Atorvastatin Lactam Calcium Salt

(3R,5R)-7-[5-(4-Fluorophenyl)-2,3-dihydro-3-(1-methylethyl)-2- oxo- 4-phenyl-3-[(phenylamino) carbonyl]-1H-pyrrol-1-yl]-3,5- dihydroxy-heptanoic acid Sodium salt

Catalogue No : VL10019


Atorvastatin FX1 Impurity / Atorvastatin Cyclic Fluorophenyl (Cyclo FP) / Atorvastatin Epoxy Pyrrolooxazin 7-Hydroxy analog
Atorvastatin FX1 Impurity / Atorvastatin Cyclic Fluorophenyl (Cyclo FP) / Atorvastatin Epoxy Pyrrolooxazin 7-Hydroxy analog

4-(1b-(4-fluorophenyl)-7-hydroxy-7-isopropyl-1a-phenyl-7a- (phenylcarbamoyl)hexahydro-1aH-oxireno[2’,3’:3,4]pyrrolo[2,1- b][1,3]oxazin-3-yl)-3-hydroxybutanoic acid

Catalogue No : VL10021


Atorvastatin FXA Impurity / Atorvastatin Cyclic Isopropyl (Cyclo IP) / Atorvastatin Epoxy Pyrrolooxazin 6-Hydroxy analog
Atorvastatin FXA Impurity / Atorvastatin Cyclic Isopropyl (Cyclo IP) / Atorvastatin Epoxy Pyrrolooxazin 6-Hydroxy analog

(4S)-4-Cyclohexyl-1-[(RS)-1-hydroxy-2-methylpropoxy](4- phenylbutyl) phosphinyl]-acetyl-L-proline propionate (ester), sodium salt ;

Catalogue No : VL10023


Atorvastatin Epoxy THF Analog
Atorvastatin Epoxy THF Analog

4-(4-Fluorophenyl)-2,4-dihydroxy-2-isopropyl-N,5-diphenyl-3,6- dioxabcclo [3.1.0]hexane-1carboxamide

Catalogue No : VL10030