Home / Products / Impurities

Impurities

SynThink is a producer and supplier of a number of pharmaceutical Reference Standards (Impurity Standards) which are required for pharmaceutical companies to study quality, stability and biological safety of pharmaceutical products. Many API Impurities are available in our stock.

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

Impurities, Ketorolac

Ketorolac EP Impurity E

Please enquire for price & pack size

Out of Stock

CAS No.

: 167105-80-8

Mol F.

: C19H22N2O5

Mol W.

: 358.39

Cat No.

: SA36105

Impurities, Ketorolac

Ketorolac EP Impurity F

Please enquire for price & pack size

Out of Stock

CAS No.

: 1391052-68-8

Mol F.

: C15H13NO3

Mol W.

: 255.27

Cat No.

: SA36106

Impurities, Ketorolac

Ketorolac EP Impurity G

Please enquire for price & pack size

Out of Stock

CAS No.

: 1391051-90-3

Mol F.

: C16H15NO4

Mol W.

: 285.29000000000002

Cat No.

: SA36107

Impurities, Ketorolac

Ketorolac EP Impurity H

Please enquire for price & pack size

Out of Stock

CAS No.

: 80965-09-9

Mol F.

: C16H15NO3

Mol W.

: 269.29000000000002

Cat No.

: SA36108

Impurities, Ketorolac

Ketorolac EP Impurity I

Please enquire for price & pack size

Out of Stock

CAS No.

: 113502-55-9

Mol F.

: C14H13NO

Mol W.

: 211.26

Cat No.

: SA36109

Impurities, Ketorolac

Ketorolac EP Impurity J

Please enquire for price & pack size

Out of Stock

CAS No.

: 108061-03-6

Mol F.

: C17H17NO3

Mol W.

: 283.32

Cat No.

: SA36110

Impurities, Ketorolac

Ketorolac Pyrrole Ethyl Ester

Please enquire for price & pack size

Out of Stock

CAS No.

: 4778-25-0

Mol F.

: C8H11NO2

Mol W.

: 153.18

Cat No.

: SA36129

Impurities, Ketorolac

Ketorolac R-Isomer

Please enquire for price & pack size

Out of Stock

CAS No.

: 66635-93-6

Mol F.

: C15H13NO3

Mol W.

: 255.27

Cat No.

: SA36116

Impurities, Ketorolac

Ketorolac S-Isomer

Please enquire for price & pack size

Out of Stock

CAS No.

: 66635-92-5

Mol F.

: C15H13NO3

Mol W.

: 255.27

Cat No.

: SA36117

Impurities, Ketorolac

Ketorolac Tromethamine

Please enquire for price & pack size

Out of Stock

CAS No.

: 74103-07-4

Mol F.

: C19H24N2O6

Mol W.

: 376.4

Cat No.

: SA36113

Imipramine, Impurities

L-Alanine isopropyl ester hydrochloride

Please enquire for price & pack size

Out of Stock

CAS No.

: 62062-65-1

Mol F.

: C6H13NO2 . HCl

Mol W.

: 131.18

Cat No.

: SA15444

Amoxicillin, Impurities

L-Amoxicillin Impuity

Please enquire for price & pack size

Out of Stock

CAS No.

Mol F.

Mol W.

Cat No.

: SA15310

Empagliflozin, Impurities

L-Glucono-1,5-lactone

Please enquire for price & pack size

Out of Stock

CAS No.

: 52153-09-0

Mol F.

: C6H10O6

Mol W.

: 178.1

Cat No.

: SA15141

Clonixin, Impurities

L-Lysine Clonixinate

Please enquire for price & pack size

Out of Stock

CAS No.

: 55837-30-4

Mol F.

: C‰H‚…ClN„O„

Mol W.

: 408.88

Cat No.

: SA38004

Emtricitabine, Impurities

L-Menthol-5-(acetyloxy)-1,3-oxathiolane-2-carboxylate

Please enquire for price & pack size

Out of Stock

CAS No.

: 200396-20-9

Mol F.

: C₁₆H₂₆O₅S

Mol W.

: 330.44

Cat No.

: SA22909

Impurities, Lamivudine

Lamivudine

Please enquire for price & pack size

Out of Stock

CAS No.

: 134678-17-4

Mol F.

: C₈H₁₁N₃O₃S

Mol W.

: 229.26

Cat No.

: SA22303

Impurities, Lamivudine

Lamivudine Dimer

Please enquire for price & pack size

Out of Stock

CAS No.

: 1904611-18-2

Mol F.

: C₁₇H₂₂N₆O₆S₂

Mol W.

: 470.53

Cat No.

: SA22316

Impurities, Lamivudine

Lamivudine EP Impurity B (Enantiomer Mixture)

Please enquire for price & pack size

Out of Stock

CAS No.

: 141434-39-1

Mol F.

: C8H11N3O3S

Mol W.

: 229.26

Cat No.

: SA22323

Impurities, Lamivudine

Lamivudine EP Impurity I

Please enquire for price & pack size

Out of Stock

CAS No.

: 145918-75-8

Mol F.

: C8H11N3O4

Mol W.

: 213.19

Cat No.

: SA22313

Impurities, Lamivudine

Lamivudine N-Hydroxymethyl Impurity

Please enquire for price & pack size

Out of Stock

CAS No.

: 1904611-13-7

Mol F.

: C9H13N3O4S

Mol W.

: 259.3

Cat No.

: SA22325

Impurities, Lamivudine

Lamivudine Resolution Mixture A

Please enquire for price & pack size

Out of Stock

CAS No.

Mol F.

: C8H11N3O3S

Mol W.

: 229.26

Cat No.

: SA22324

Impurities, Lamivudine

Lamivudine S-Oxide

Please enquire for price & pack size

Out of Stock

CAS No.

: 1235712-40-9

Mol F.

: C₈H₁₁N₃O₄S

Mol W.

: 245.26

Cat No.

: SA22304

Impurities, Lamivudine

Lamivudine USP Related compound A

Please enquire for price & pack size

Out of Stock

CAS No.

: NA

Mol F.

: C8H9N3O4S

Mol W.

: 243.24

Cat No.

: SA22317

Impurities, Lamotrigine

Lamotrigine

Please enquire for price & pack size

Out of Stock

CAS No.

: 84057-84-1

Mol F.

: C₉H₇Cl₂N₅

Mol W.

: 256.1

Cat No.

: SA28007

Impurities, Lamotrigine

Lamotrigine 3,3-Dimer

Please enquire for price & pack size

Out of Stock

CAS No.

: 1797983-48-2

Mol F.

: C₁₉H₁₄Cl₄N₁₀

Mol W.

: 524.19

Cat No.

: SA28008

Impurities, Lamotrigine

Lamotrigine EP Impurity A

Please enquire for price & pack size

Out of Stock

CAS No.

: 252186-78-0

Mol F.

: C9H6Cl2N4O

Mol W.

: 257.07

Cat No.

: SA28000

Impurities, Lamotrigine

Lamotrigine EP Impurity B

Please enquire for price & pack size

Out of Stock

CAS No.

: 94213-24-8

Mol F.

: C9H7Cl2N5

Mol W.

: 256.08999999999997

Cat No.

: SA28001

Impurities, Lamotrigine

Lamotrigine EP Impurity C

Please enquire for price & pack size

Out of Stock

CAS No.

: 84689-20-3

Mol F.

: C9H7Cl2N5

Mol W.

: 256.09

Cat No.

: SA28002

Impurities, Lamotrigine

Lamotrigine EP Impurity D

Please enquire for price & pack size

Out of Stock

CAS No.

: 661463-79-2

Mol F.

: C9H5Cl2N3O2

Mol W.

: 258.06

Cat No.

: SA28003

Impurities, Lamotrigine

Lamotrigine EP Impurity E

Please enquire for price & pack size

Out of Stock

CAS No.

: 50-45-3

Mol F.

: C7H4Cl2O2

Mol W.

: 191.01

Cat No.

: SA28004

Impurities, Lamotrigine

Lamotrigine EP Impurity F

Please enquire for price & pack size

Out of Stock

CAS No.

: 252186-79-1

Mol F.

: C16H9Cl4N5O

Mol W.

: 429.09

Cat No.

: SA28005

Impurities, Lamotrigine

Lamotrigine EP Impurity G

Please enquire for price & pack size

Out of Stock

CAS No.

: 38943-76-9

Mol F.

: C₉H₇Cl₂N₅

Mol W.

: 256.09

Cat No.

: SA28006

Impurities, Lansoprazole

Lansoprazole

Please enquire for price & pack size

Out of Stock

CAS No.

: 103577-45-3

Mol F.

: C16H14F3N3O2S

Mol W.

: 369.36

Cat No.

: SA35900

Impurities, Lansoprazole

Lansoprazole 4-Nitro Impurity

Please enquire for price & pack size

Out of Stock

CAS No.

: 142384-07-4

Mol F.

: C14H12N4O3S

Mol W.

: 316.33999999999997

Cat No.

: SA35911

Impurities, Lansoprazole

Lansoprazole 5-Hydroxy Impurity

Please enquire for price & pack size

Out of Stock

CAS No.

: 131926-98-2;1329613-29-7(potassiumsalt)

Mol F.

: C16H14F3N3O3S

Mol W.

: 385.36

Cat No.

: SA35917

Impurities, Lansoprazole

Lansoprazole Chloromethyl Impurity

Please enquire for price & pack size

Out of Stock

CAS No.

: 127337-60-4

Mol F.

: C9H9ClF3NO

Mol W.

: 239.62

Cat No.

: SA35908

Impurities, Lansoprazole

Lansoprazole EP Impurity F

Please enquire for price & pack size

Out of Stock

CAS No.

: 168167-42-8

Mol F.

: C14H12ClN3OS

Mol W.

: 305.77999999999997

Cat No.

: SA35906

Impurities, Lansoprazole

Lansoprazole Hydroxymethyl Impurity

Please enquire for price & pack size

Out of Stock

CAS No.

: 103577-66-8

Mol F.

: C9H10F3NO2

Mol W.

: 221.18

Cat No.

: SA35916

Impurities, Lansoprazole

Lansoprazole N-Oxide; Lansoprazole EP Impurity A

Please enquire for price & pack size

Out of Stock

CAS No.

: 213476-12-1

Mol F.

: C16H14F3N3O3S

Mol W.

: 385.36

Cat No.

: SA35901

Impurities, Lansoprazole

Lansoprazole Nitro Impurity

Please enquire for price & pack size

Out of Stock

CAS No.

: 37699-43-7

Mol F.

: C7H8N2O3

Mol W.

: 168.15

Cat No.

: SA35907

Impurities, Lansoprazole

Lansoprazole R-Isomer

Please enquire for price & pack size

Out of Stock

CAS No.

: 138530-94-6

Mol F.

: C16H14F3N3O2S

Mol W.

: 369.36

Cat No.

: SA35913

Impurities, Lansoprazole

Lansoprazole S-Isomer

Please enquire for price & pack size

Out of Stock

CAS No.

: 138530-95-7

Mol F.

: C16H14F3N3O2S

Mol W.

: 369.36

Cat No.

: SA35914

Impurities, Lansoprazole

Lansoprazole Sulfide 4-Hydroxy Impurity

Please enquire for price & pack size

Out of Stock

CAS No.

: 131926-97-1

Mol F.

: C14H13N3OS

Mol W.

: 271.33999999999997

Cat No.

: SA35912

Impurities, Lansoprazole

Lansoprazole Sulfide N-Oxide Impurity

Please enquire for price & pack size

Out of Stock

CAS No.

: 163119-30-0

Mol F.

: C16H14F3N3O2S

Mol W.

: 369.36

Cat No.

: SA35909

Impurities, Lansoprazole

Lansoprazole Sulfide; Lansoprazole EP Impurity C

Please enquire for price & pack size

Out of Stock

CAS No.

: 103577-40-8

Mol F.

: C16H14F3N3OS

Mol W.

: 353.36

Cat No.

: SA35903

Impurities, Lansoprazole

Lansoprazole Sulfone N-Oxide Impurity

Please enquire for price & pack size

Out of Stock

CAS No.

: 953787-54-7

Mol F.

: C16H14F3N3O4S

Mol W.

: 401.36

Cat No.

: SA35910

Impurities, Lansoprazole

Lansoprazole Sulfone; Lansoprazole EP Impurity B

Please enquire for price & pack size

Out of Stock

CAS No.

: 131926-99-3

Mol F.

: C16H14F3N3O3S

Mol W.

: 385.36

Cat No.

: SA35902

Impurities, Lansoprazole

Lansoprazole Thioxo Impurity

Please enquire for price & pack size

Out of Stock

CAS No.

: 1246819-06-6

Mol F.

: C14H9N3OS

Mol W.

: 267.31

Cat No.

: SA35915

Impurities, Leflunomide

Leflunomide

Please enquire for price & pack size

Out of Stock

CAS No.

: 75706-12-6

Mol F.

: C12H9F3N2O2

Mol W.

: 270.20999999999998

Cat No.

: SA21800

Impurities, Leflunomide

Leflunomide EP Impurity C

Please enquire for price & pack size

Out of Stock

CAS No.

: 61643-23-0

Mol F.

: C12H9F3N2O2

Mol W.

: 270.20999999999998

Cat No.

: SA21803