Atorvastatin Difluoro Impurity

INVENZA

CAT No.	IR-A01839
CAS No.	693793-82-7
Molecular Formula	C26H23F2NO3
Molecular Weight	435.5

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Chemical Name	2-(1,2-Bis(4-fluorophenyl)-2-oxoethyl)-4-methyl-3-oxo-N-phenylpentanamide
Shipping Temperature	Ambient temperature
HSN Code	29339990
Country of Origin	India
Usage Note	All products supplied by Invenza Research are intended exclusively for laboratory research, analytical testing, scientific investigations, and research and development purposes. These materials are not intended for human or animal consumption.

Product Description	Atorvastatin Difluoro Impurity (CAS No. 693793-82-7), chemically known as 2-(1,2-Bis(4-fluorophenyl)-2-oxoethyl)-4-methyl-3-oxo-N-phenylpentanamide, is a well-characterized pharmaceutical impurity reference standard associated with Atorvastatin. It is widely used by pharmaceutical research laboratories, analytical scientists, contract research organizations (CROs), and quality control laboratories to support impurity identification, chromatographic method development, analytical method validation, and stability studies. This reference standard plays an important role in ensuring accurate impurity profiling during the development and quality assessment of Atorvastatin-based pharmaceutical products. It is suitable for use in analytical techniques such as HPLC, LC-MS, UPLC, and other validated chromatographic methods where reliable impurity characterization is required. Atorvastatin Difluoro Impurity has the molecular formula C26H23F2NO3 and a molecular weight of 435.5 g/mol. It is also known by the chemical name 2-(1,2-Bis(4-fluorophenyl)-2-oxoethyl)-4-methyl-3-oxo-N-phenylpentanamide and is identified by CAS No. 693793-82-7. Researchers and analytical laboratories utilize this impurity reference standard during pharmaceutical development, quality control testing, method transfer, and regulatory compliance activities. Its use helps support the characterization and monitoring of related substances throughout the product lifecycle.

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Applications & Regulatory Use Cases

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CAT No	IR-A01786
CAS No.	651770-09-1
Molecular Formula	C33H35FN2O5
Molecular Weight	558.7

CAT No	IR-A01787
CAS No.	1312366-79-2
Molecular Formula	C33H35FN2O5 : 1/2(Ca)
Molecular Weight	558.7 : 1/2 (40.1)

CAT No	IR-A01788
CAS No.	887196-26-1
Molecular Formula	C33H35FN2O4
Molecular Weight	542.7

CAT No	IR-A01789
CAS No.	887196-30-7(free base)
Molecular Formula	C66H64CaF2N4O10
Molecular Weight	1151.31 g/mol

CAT No	IR-A01790
CAS No.	131275-93-9 (sodium salt)
Molecular Formula	C33H34FN2O5.1/2 Ca
Molecular Weight	577.67

CAT No	IR-A01791
CAS No.	1429437-85-3
Molecular Formula	C34H37FN2O5
Molecular Weight	572.67

CAT No	IR-A01795
CAS No.	NA
Molecular Formula	C33H34FN2NaO5
Molecular Weight	580.62

CAT No	IR-A01796
CAS No.	1099474-28-8
Molecular Formula	C37H43FN2O5
Molecular Weight	614.75

CAT No	IR-A01797
CAS No.	163217-75-2
Molecular Formula	C33H34FN2O6 : Na
Molecular Weight	573.6 : 23.0

CAT No	IR-A01798
CAS No.	214217-86-4 (acid) ; 265989-46-6 (calcium salt)
Molecular Formula	C66H68CaF2N4O12
Molecular Weight	1187.36

CAT No	IR-A01810
CAS No.	1263176-34-6 (Calcium Salt ) ; 214217-88-6 (Acid)
Molecular Formula	C33H33CaFN2O6 (Calcium Salt)
Molecular Weight	612.7

CAT No	IR-A01811
CAS No.	214217-88-6
Molecular Formula	C33H33FN2Na2O6 (Disodium Salt) ;C33H35FN2O6 (Acid)
Molecular Weight	618.60 ;574.64

CAT No	IR-A01799
CAS No.	163217-74-1
Molecular Formula	C33H33FN205
Molecular Weight	556.62

CAT No	IR-A01800
CAS No.	265989-46-6 ; 214217-86-4 (acid)
Molecular Formula	C33H34FN2NaO6
Molecular Weight	596.62

CAT No	IR-A01794
CAS No.	442851-50-5
Molecular Formula	C33H31FN2O3
Molecular Weight	522.61

CAT No	IR-A01792
CAS No.	NA
Molecular Formula	C33H31FN2NaO3
Molecular Weight	522.61

CAT No	IR-A01793
CAS No.	2588261-50-9
Molecular Formula	C33H31FN2O3 : 1/2(Ca)
Molecular Weight	522.6 : 1/2(40.1)

CAT No	IR-A01801
CAS No.	NA
Molecular Formula	C35H37FN2O4
Molecular Weight	568.68

CAT No	IR-A01802
CAS No.	1624328-52-4
Molecular Formula	C35H37FN2O4
Molecular Weight	568.7

CAT No	IR-A01803
CAS No.	1105067-93-3 (acid)
Molecular Formula	C33H32FN2NaO4
Molecular Weight	562.61

CAT No	IR-A01804
CAS No.	NA
Molecular Formula	C33H34FN2NaO5
Molecular Weight	580.62

CAT No	IR-A01805
CAS No.	NA
Molecular Formula	C37H43FN2O5
Molecular Weight	614.75