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Impurities

SynThink is a trusted producer and supplier of Pharmaceutical Reference Standards, including Impurity Standards. These materials are essential for pharmaceutical companies conducting research into the quality, stability, and biological safety of drug products. We maintain a robust inventory of API impurities, ready to support your development and regulatory needs.

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Impurities, Sertraline

Sertraline 2,3-Dichloro Impurity

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CAS No.

: 1198084-29-5

Mol F.

: C17H17Cl2N

Mol W.

: 306.23

Cat No.

: SA36510

Impurities, Sertraline

Sertraline 2,3-Dichloro Tetralone

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CAS No.

: 152448-80-1

Mol F.

: C16H12Cl2O

Mol W.

: 291.17

Cat No.

: SA36512

Impurities, Sertraline

Sertraline 2,3-Dichloro Tetralone Methanamine

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CAS No.

: 340830-05-9

Mol F.

: C17H15Cl2N

Mol W.

: 304.20999999999998

Cat No.

: SA36513

Impurities, Sertraline

Sertraline 3-Deschloro Impurity

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CAS No.

: 79646-00-7

Mol F.

: C17H18ClN

Mol W.

: 271.77999999999997

Cat No.

: SA36511

Impurities, Sertraline

Sertraline Dideschloro Tetralone Methanamine

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CAS No.

: 52789-19-2

Mol F.

: C17H17N

Mol W.

: 235.32

Cat No.

: SA36514

Impurities, Sertraline

Sertraline Dimethylamino Impurity

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CAS No.

: 107508-17-8(base);79836-76-3(HClsalt)

Mol F.

: C18H19Cl2N

Mol W.

: 320.25

Cat No.

: SA36515

Impurities, Sertraline

Sertraline EP Impurity A; rac-trans-Sertraline

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CAS No.

: 79836-45-6(base);79617-99-5(HCl)

Mol F.

: C17H17Cl2N

Mol W.

: 306.23

Cat No.

: SA36501

Impurities, Sertraline

Sertraline EP Impurity B

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CAS No.

: NA

Mol F.

: C17H19N

Mol W.

: 237.34

Cat No.

: SA36502

Impurities, Sertraline

Sertraline EP Impurity C

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CAS No.

: NA

Mol F.

: C17H18ClN

Mol W.

: 271.77999999999997

Cat No.

: SA36503

Impurities, Sertraline

Sertraline EP Impurity D

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CAS No.

: NA

Mol F.

: C17H18ClN

Mol W.

: 271.77999999999997

Cat No.

: SA36504

Impurities, Sertraline

Sertraline EP Impurity E

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CAS No.

: 611-71-2

Mol F.

: C8H8O3

Mol W.

: 152.15

Cat No.

: SA36505

Impurities, Sertraline

Sertraline EP Impurity F; R-Sertralone

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CAS No.

: 155748-61-1

Mol F.

: C16H12Cl2O

Mol W.

: 291.17

Cat No.

: SA36506

Impurities, Sertraline

Sertraline EP Impurity G; (R,R) Sertraline

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CAS No.

: 79617-89-3;79617-95-1(FreeBase)

Mol F.

: C17H17Cl2N

Mol W.

: 306.23

Cat No.

: SA36507

Impurities, Sertraline

Sertraline N-Desmethyl Impurity

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CAS No.

: 91797-57-8(cis-rac.)

Mol F.

: C16H15Cl2N

Mol W.

: 292.2

Cat No.

: SA36509

Impurities, Sertraline

Sertraline Tetralone (S)-Isomer

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CAS No.

: 124379-29-9

Mol F.

: C16H12Cl2O

Mol W.

: 291.17

Cat No.

: SA36508

Impurities, Sertraline

Sertraline Tetralone Methanamine

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CAS No.

: 79560-20-6

Mol F.

: C17H15Cl2N

Mol W.

: 304.20999999999998

Cat No.

: SA36516

Impurities, Simvastatin

Simvastatin

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CAS No.

: 79902-63-9

Mol F.

: C25H38O5

Mol W.

: 418.57

Cat No.

: SA32400

Impurities, Simvastatin

Simvastatin 6-Oxo Isomer

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CAS No.

: 130468-11-0

Mol F.

: C25H36O6

Mol W.

: 432.55

Cat No.

: SA32414

Impurities, Simvastatin

Simvastatin Acid Methyl Ester

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CAS No.

: 145576-26-7

Mol F.

: C26H42O6

Mol W.

: 450.61

Cat No.

: SA32415

Impurities, Simvastatin

Simvastatin beta-Hydroxy Impurity

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CAS No.

: 126313-98-2

Mol F.

: C25H38O6

Mol W.

: 434.57

Cat No.

: SA32416

Impurities, Simvastatin

Simvastatin Dihydro Diol Impurity

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CAS No.

: 159143-77-8

Mol F.

: C25H40O7

Mol W.

: 452.58

Cat No.

: SA32417

Impurities, Simvastatin

Simvastatin EP Impurity A

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CAS No.

: 101314-97-0

Mol F.

: C25H39NaO6

Mol W.

: 458.56

Cat No.

: SA32401

Impurities, Simvastatin

Simvastatin EP Impurity B

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CAS No.

: 145576-25-6

Mol F.

: C27H40O6

Mol W.

: 460.6

Cat No.

: SA32402

Impurities, Simvastatin

Simvastatin EP Impurity C

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CAS No.

: 210980-68-0

Mol F.

: C25H36O4

Mol W.

: 400.55

Cat No.

: SA32403

Impurities, Simvastatin

Simvastatin EP Impurity D

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CAS No.

: 476305-24-5

Mol F.

: C50H76O10

Mol W.

: 837.13

Cat No.

: SA32404

Impurities, Simvastatin

Simvastatin EP Impurity E

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CAS No.

: 75330-75-5

Mol F.

: C24H36O5

Mol W.

: 404.54

Cat No.

: SA32405

Impurities, Simvastatin

Simvastatin EP Impurity F

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CAS No.

: 79952-44-6

Mol F.

: C24H36O5

Mol W.

: 404.54

Cat No.

: SA32406

Impurities, Simvastatin

Simvastatin EP Impurity G

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CAS No.

: 1449248-72-9

Mol F.

: C25H36O5

Mol W.

: 416.55

Cat No.

: SA32407

Impurities, Simvastatin

Simvastatin EP Impurity H

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CAS No.

: 79952-42-4

Mol F.

: C19H28O4

Mol W.

: 320.42

Cat No.

: SA32408

Impurities, Simvastatin

Simvastatin EP Impurity I

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CAS No.

: 79902-42-4

Mol F.

: C23H34O5

Mol W.

: 390.51

Cat No.

: SA32409

Impurities, Simvastatin

Simvastatin EP Impurity J

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CAS No.

: 864357-88-0

Mol F.

: C26H40O5

Mol W.

: 432.59

Cat No.

: SA32410

Impurities, Simvastatin

Simvastatin EP Impurity K

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CAS No.

: NA

Mol F.

: C25H40O5

Mol W.

: 420.58

Cat No.

: SA32411

Impurities, Simvastatin

Simvastatin EP Impurity M

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CAS No.

: 864357-87-9

Mol F.

: C27H44O6

Mol W.

: 464.63

Cat No.

: SA32412

Impurities, Simvastatin

Simvastatin EP Impurity N

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CAS No.

: 774611-54-0

Mol F.

: C26H40O5

Mol W.

: 432.59

Cat No.

: SA32413

Impurities, Sitagliptin

Sitagliptin

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CAS No.

: 486460-32-6

Mol F.

: C16H15F6N5O

Mol W.

: 407.31

Cat No.

: SA10409

Impurities, Sitagliptin

Sitagliptin Desfluorobenzene Analog

$395.00 25 mg

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CAS No.

Mol F.

: C16H18F3N5O

Mol W.

: 353.34

Cat No.

: SA10413

Impurities, Sitagliptin

Sitagliptin Impurity 28 (HCl salt)

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CAS No.

: 1909337-07-0

Mol F.

: C10H11ClF3NO2

Mol W.

: 269.65

Cat No.

: SA10456

Impurities, Sitagliptin

Sitagliptin N-Sulfate Sodium Salt

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CAS No.

: 940002-57-3(acid)

Mol F.

: C16H14F6N5NaO4S

Mol W.

: 509.36

Cat No.

: SA10426

Impurities, Sitagliptin

Sitagliptin Racemate

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CAS No.

: 823817-56-7

Mol F.

: C16H15F6N5O

Mol W.

: 407.31

Cat No.

: SA10453

Impurities, Sitagliptin

Sitagliptin Trifluorobenzoic Acid Impurity

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CAS No.

: 2428591-91-5

Mol F.

: C9H5F3O4

Mol W.

: 234.1

Cat No.

: SA10459

Impurities, Sofosbuvir

Soforbuvir (2R,3R,4R,5S) tetrahydrofuranyl Isomer

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CAS No.

Mol F.

: C22H29FN3O9P

Mol W.

: 529.45

Cat No.

: SA15446

Impurities, Sofosbuvir

Sofosbuvir

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CAS No.

: 1190307-88-0

Mol F.

: C22H29FN3O9P

Mol W.

: 529.46

Cat No.

: SA15401

Impurities, Sofosbuvir

Sofosbuvir 3,5 Di-O-benzoyl Nucleoside Derivative | CAS : 863329-65-1

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CAS No.

: 863329-65-1

Mol F.

: C24H21FN2O7

Mol W.

: 468.43

Cat No.

: SA15447

Impurities, Sofosbuvir

Sofosbuvir Impurity SA15412; Sofosbuvir Impurity 3; Sofosbuvir Benzamido Impurity

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CAS No.

: 863329-62-8

Mol F.

: C31H27N3O8

Mol W.

: 569.56

Cat No.

: SA15412

Impurities, Sofosbuvir

Sofosbuvir Impurity SA15414

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CAS No.

Mol F.

: C24H21FN2O7

Mol W.

: 468.43

Cat No.

: SA15414

Impurities, Sofosbuvir

Sofosbuvir Impurity SA15415

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CAS No.

Mol F.

: C24H22N2O8

Mol W.

: 466.44

Cat No.

: SA15415

Impurities, Sofosbuvir

Sofosbuvir Impurity SA15416

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CAS No.

: 1910099-17-0

Mol F.

: C24H20N2O7

Mol W.

: 448.42

Cat No.

: SA15416

Impurities, Sofosbuvir

Sofosbuvir Impurity SA15417

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CAS No.

: 1987950-05-9

Mol F.

: C10H13FN2O5

Mol W.

: 260.22

Cat No.

: SA15417

Impurities, Sofosbuvir

Sofosbuvir Impurity SA15418; 1-β-D-Arabinofuranosyluracil-2-C-methyl

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CAS No.

: 114262-49-6

Mol F.

: C10H14N2O6

Mol W.

: 258.23

Cat No.

: SA15418

Impurities, Sofosbuvir

Sofosbuvir Impurity SA15419

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CAS No.

: 119410-95-6

Mol F.

: C10H12N2O5

Mol W.

: 240.21

Cat No.

: SA15419