Home / Products / Impurities

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.

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, Sacubitril

Sacubitril Dimethyl Ester Impurity

Please enquire for price & pack size

PLEASE ENQUIRE

CAS No.

: NA

Mol F.

: C24H29NO5

Mol W.

: 411.49

Cat No.

: SA40926

Impurities, Sacubitril

Sacubitril Enamine Impurity | CAS : 2957885-24-2

Please enquire for price & pack size

PLEASE ENQUIRE

CAS No.

: 2957885-24-2

Mol F.

: C24H27NO5

Mol W.

: 409.47

Cat No.

: SA40923

Impurities, Sacubitril

Sacubitril Ethyl Succinate Impurity | CAS : 2376611-98-0

Please enquire for price & pack size

PLEASE ENQUIRE

CAS No.

: 2376611-98-0

Mol F.

: C26H33NO5

Mol W.

: 439.54

Cat No.

: SA40918

Impurities, Sacubitril

Sacubitril Glutaric Acid Monoamide Impurity | CAS : 773820-89-6

Please enquire for price & pack size

PLEASE ENQUIRE

CAS No.

: 773820-89-6

Mol F.

: C25H31NO5

Mol W.

Cat No.

: SA40929

Impurities, Sacubitril

Sacubitril Isopropyl Ester Impurity | CAS : 2514965-95-6

Please enquire for price & pack size

PLEASE ENQUIRE

CAS No.

: 2514965-95-6

Mol F.

: C25H31NO5

Mol W.

: 425.52

Cat No.

: SA40927

Impurities, Sacubitril

Sacubitril Isopropyl Succinate Impurity | CAS : 2459446-53-6

Please enquire for price & pack size

PLEASE ENQUIRE

CAS No.

: 2459446-53-6

Mol F.

: C27H35NO5

Mol W.

: 453.57

Cat No.

: SA40916

Impurities, Sacubitril

Sacubitril Lactam Impurity

Please enquire for price & pack size

PLEASE ENQUIRE

CAS No.

: 1038925-22-2

Mol F.

: C18H19NO

Mol W.

: 265.36

Cat No.

: SA40910

Impurities, Sacubitril

Sacubitril Maleic Acid (Z-Isomer) | CAS : 2751722-77-5

Please enquire for price & pack size

PLEASE ENQUIRE

CAS No.

: 2751722-77-5

Mol F.

: C24H27NO5

Mol W.

: 409.47

Cat No.

: SA40930

Impurities, Sacubitril

Sacubitril Maleic acid Impurity

Please enquire for price & pack size

PLEASE ENQUIRE

CAS No.

: 2984580-03-0

Mol F.

: C24H27NO5

Mol W.

: 409.47

Cat No.

: SA40909

Impurities, Sacubitril

Sacubitril Methyl Ester Impurity | CAS : 2408053-56-3

Please enquire for price & pack size

PLEASE ENQUIRE

CAS No.

: 2408053-56-3

Mol F.

: C23H27NO5

Mol W.

: 397.46

Cat No.

: SA40925

Impurities, Sacubitril

Sacubitril N-Succinyl 2-Pyrrolidinone Impurity | CAS : 2459446-54-7

Please enquire for price & pack size

PLEASE ENQUIRE

CAS No.

: 2459446-54-7

Mol F.

: C22H23NO4

Mol W.

: 365.42

Cat No.

: SA40919

Impurities, Sacubitril

Sacubitril Propyl Ester Impurity | CAS : 2751722-76-4

Please enquire for price & pack size

PLEASE ENQUIRE

CAS No.

: 2751722-76-4

Mol F.

: C25H31NO5

Mol W.

: 425.52

Cat No.

: SA40924

Impurities, Salbutamol

Salbutamol EP Impurity A; Albuterol Methyl Ether

Please enquire for price & pack size

PLEASE ENQUIRE

CAS No.

: 870076-72-5

Mol F.

: C14H23NO3

Mol W.

: 253.34

Cat No.

: SA26000

Impurities, Salbutamol

Salbutamol EP Impurity G

Please enquire for price & pack size

PLEASE ENQUIRE

CAS No.

: 64092-10-0;24085-08-3(HClsalt)

Mol F.

: C20H25NO3

Mol W.

: 327.42

Cat No.

: SA26006

Impurities, Salbutamol

Salbutamol EP Impurity H

Please enquire for price & pack size

PLEASE ENQUIRE

CAS No.

: 132183-64-3

Mol F.

: C13H21NO

Mol W.

: 207.31

Cat No.

: SA26007

Impurities, Salbutamol

Salbutamol EP Impurity K

Please enquire for price & pack size

PLEASE ENQUIRE

CAS No.

: 898542-80-8

Mol F.

: C13H18ClNO3

Mol W.

: 271.74

Cat No.

: SA26010

Impurities, Salbutamol

Salbutamol EP Impurity L

Please enquire for price & pack size

PLEASE ENQUIRE

CAS No.

: 898542-81-9

Mol F.

: C13H20ClNO3

Mol W.

: 273.76

Cat No.

: SA26011

Impurities, Salbutamol

Salbutamol Impurity P

Please enquire for price & pack size

PLEASE ENQUIRE

CAS No.

Mol F.

: C22H31NO6

Mol W.

: 405.48

Cat No.

: SA26017

Impurities, Salmeterol

Salmeterol Amine Impurity

Please enquire for price & pack size

PLEASE ENQUIRE

CAS No.

: 92900-77-1

Mol F.

: C16H19NO3

Mol W.

: 273.3

Cat No.

: SA10113

Impurities, Salmeterol

Salmeterol Benzyl Dihydroxy Impurity

Please enquire for price & pack size

PLEASE ENQUIRE

CAS No.

: 63295-95-4

Mol F.

: C15H16O3

Mol W.

: 244.3

Cat No.

: SA10114

Impurities, Salmeterol

Salmeterol Benzylated Aldehyde Impurity

Please enquire for price & pack size

PLEASE ENQUIRE

CAS No.

: NA

Mol F.

: C15H14O3

Mol W.

Cat No.

: SA10116

Impurities, Salmeterol

Salmeterol Benzylated Carboxylic Acid Impurity

Please enquire for price & pack size

PLEASE ENQUIRE

CAS No.

: NA

Mol F.

: C15H14O4

Mol W.

: 258.3

Cat No.

: SA10115

Impurities, Salmeterol

Salmeterol EP Impurity D

Please enquire for price & pack size

PLEASE ENQUIRE

CAS No.

: 1391052-04-2

Mol F.

: C₃₄H₄₇NO₇

Mol W.

: 581.76

Cat No.

: SA10106

Impurities, Salmeterol

Salmeterol EP Impurity G

Please enquire for price & pack size

PLEASE ENQUIRE

CAS No.

: 1391051-88-9

Mol F.

: C50H72N2O7

Mol W.

: 813.12

Cat No.

: SA10107

Impurities, Salmeterol

Salmeterol EP Impurity H

Please enquire for price & pack size

PLEASE ENQUIRE

CAS No.

: 1330076-52-2

Mol F.

: C36H43NO6

Mol W.

: 585.73

Cat No.

: SA10108

Impurities, Salmeterol

Salmeterol Hydroxynaphthoic Acid Impurity (USP)

Please enquire for price & pack size

PLEASE ENQUIRE

CAS No.

: 86-48-6

Mol F.

: C₁₁H₈O₃

Mol W.

: 188.18

Cat No.

: SA10109

Impurities, Sapropterin

Sapropterin (6S)-Epimer (USP)

Please enquire for price & pack size

PLEASE ENQUIRE

CAS No.

: 62961-57-3

Mol F.

: C9H15N5O3

Mol W.

: 241.3

Cat No.

: SA45217

Impurities, Sapropterin

Sapropterin Dihydrochloride

Please enquire for price & pack size

PLEASE ENQUIRE

CAS No.

: 69056-38-8

Mol F.

: C9H15N5O3·2HCl

Mol W.

: 314.17

Cat No.

: SA45208

Impurities, Sapropterin

Sapropterin Impurity A

Please enquire for price & pack size

PLEASE ENQUIRE

CAS No.

: 5752-25-0

Mol F.

: C6H911Cl2N5O

Mol W.

: 240.09

Cat No.

: SA45201

Impurities, Sapropterin

Sapropterin Impurity B

Please enquire for price & pack size

PLEASE ENQUIRE

CAS No.

: 6779-87-9

Mol F.

: C9H13N5O3

Mol W.

: 239.23

Cat No.

: SA45206

Impurities, Sapropterin

Sapropterin Impurity C

Please enquire for price & pack size

PLEASE ENQUIRE

CAS No.

: 22150-76-1

Mol F.

: C9H11N5O3

Mol W.

: 237.22

Cat No.

: SA45205

Impurities, Sapropterin

Sapropterin Impurity D

Please enquire for price & pack size

PLEASE ENQUIRE

CAS No.

: 2236-60-4

Mol F.

: C6H5N5O

Mol W.

: 163.13999999999999

Cat No.

: SA45202

Impurities, Sapropterin

Sapropterin Impurity E

Please enquire for price & pack size

PLEASE ENQUIRE

CAS No.

: 35011-47-3

Mol F.

: C4H9N5O5S

Mol W.

: 239.21

Cat No.

: SA45204

Impurities, Sapropterin

Sapropterin Impurity F

Please enquire for price & pack size

PLEASE ENQUIRE

CAS No.

: 62933-57-7

Mol F.

: C13H15N5O5

Mol W.

: 321.29

Cat No.

: SA45203

Impurities, Sapropterin

Sapropterin Impurity H

Please enquire for price & pack size

PLEASE ENQUIRE

CAS No.

: 69056-39-9

Mol F.

: C9H17Cl2N5O3

Mol W.

: 314.17

Cat No.

: SA45207

Impurities, Saxagliptin

Saxagliptin

Please enquire for price & pack size

PLEASE ENQUIRE

CAS No.

: 361442-04-8

Mol F.

: C18H25N3O2

Mol W.

: 315.41

Cat No.

: SA27410

Impurities, Saxagliptin

Saxagliptin Amide Dimer

Please enquire for price & pack size

PLEASE ENQUIRE

CAS No.

: NA

Mol F.

: C36H49N5O5

Mol W.

: 631.79999999999995

Cat No.

: SA27407

Impurities, Saxagliptin

Saxagliptin Di-Amide Impurity

Please enquire for price & pack size

PLEASE ENQUIRE

CAS No.

: 1496712-39-0

Mol F.

: C18H27N3O3

Mol W.

: 333.42

Cat No.

: SA27409

Impurities, Saxagliptin

Saxagliptin Dione Impurity; Saxagliptin Lactam Impurity

Please enquire for price & pack size

PLEASE ENQUIRE

CAS No.

: 1350800-77-9

Mol F.

: C18H24N2O3

Mol W.

: 316.39

Cat No.

: SA27404

Impurities, Saxagliptin

Saxagliptin keto Impurity

Please enquire for price & pack size

PLEASE ENQUIRE

CAS No.

: 2173146-34-2

Mol F.

: C18H23N3O2

Mol W.

: 313.39

Cat No.

: SA27420

Impurities, Saxagliptin

Saxagliptin N-Formyl Impurity

Please enquire for price & pack size

PLEASE ENQUIRE

CAS No.

: NA

Mol F.

: C19H25N3O3

Mol W.

: 343.42

Cat No.

: SA27403

Impurities, Saxagliptin

Saxagliptin RRRR Isomer

Please enquire for price & pack size

PLEASE ENQUIRE

CAS No.

: 1564265-95-7

Mol F.

: C18H25N3O2

Mol W.

: 315.41

Cat No.

: SA27414

Impurities, Saxagliptin

Saxagliptin RRRS Isomer

Please enquire for price & pack size

PLEASE ENQUIRE

CAS No.

: 1564265-94-6

Mol F.

: C18H25N3O2

Mol W.

: 315.41

Cat No.

: SA27415

Impurities, Saxagliptin

Saxagliptin RSRR Isomer

Please enquire for price & pack size

PLEASE ENQUIRE

CAS No.

: 1564265-98-0

Mol F.

: C18H25N3O2

Mol W.

: 315.41

Cat No.

: SA27416

Impurities, Saxagliptin

Saxagliptin RSRS Isomer

Please enquire for price & pack size

PLEASE ENQUIRE

CAS No.

: 1564265-96-8

Mol F.

: C18H25N3O2

Mol W.

: 315.41

Cat No.

: SA27417

Impurities, Saxagliptin

Saxagliptin SRSR Isomer

Please enquire for price & pack size

PLEASE ENQUIRE

CAS No.

: 1564266-03-0

Mol F.

: C18H25N3O2

Mol W.

: 315.41

Cat No.

: SA27413

Impurities, Saxagliptin

Saxagliptin SRSS Isomer

Please enquire for price & pack size

PLEASE ENQUIRE

CAS No.

: 1564266-00-7

Mol F.

: C18H25N3O2

Mol W.

: 315.41

Cat No.

: SA27412

Impurities, Saxagliptin

Saxagliptin SSSR Isomer

Please enquire for price & pack size

PLEASE ENQUIRE

CAS No.

: 1564265-93-5

Mol F.

: C18H25N3O2

Mol W.

: 315.41000000000003

Cat No.

: SA27411

Impurities, Tiotropium

Scopine Methiodide

$450.00 25 mg

PLEASE ENQUIRE

CAS No.

: 21662-36-2

Mol F.

: C9H16INO2

Mol W.

: 297.13

Cat No.

: SA11723

Impurities, Sertraline

Sertraline

Please enquire for price & pack size

PLEASE ENQUIRE

CAS No.

: 79617-96-2(Base);79559-97-0(HCl)

Mol F.

: C17H17Cl2N

Mol W.

: 306.23

Cat No.

: SA36500