Home / Products / Page 27

Products / Reference Standards / API Impurities / API Related Compounds / Pharmaceutical Standards

Please click on the respective API letter

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, Molnupiravir

((3aR,4R,6R,6aR)-2,2-Dimethyl-6-(2-oxo-4-(1H-1,2,4-triazol-1-yl)pyrimidin-1(2H)-yl)-tetrahydrofuro[3,4-d][1,3]dioxol-4-yl)methyl isobutyrate

Please enquire for price & pack size

PLEASE ENQUIRE

CAS No.

: 2346620-54-8

Mol F.

: C18H23N5O6

Mol W.

: 405.41

Cat No.

: SA46203

Impurities, Molnupiravir

Molnupiravir Impurity A

Please enquire for price & pack size

In Stock

CAS No.

: 2346620-55-9

Mol F.

: C16H23N3O7

Mol W.

: 369.37

Cat No.

: SA46202

Impurities, Molnupiravir

Uridine

Please enquire for price & pack size

In Stock

CAS No.

Mol F.

: C9H13N3O6

Mol W.

: 259.22

Cat No.

: SA46201

Hyoscine Butylbromide

Hyoscine Butylbromide EP Impurity G

$245.00 25 mg

PLEASE ENQUIRE

CAS No.

: 92714-23-3 (Bromide)

Mol F.

: C21H28BrNO3

Mol W.

: 422.36

Cat No.

: SA46107

Hyoscine Butylbromide

Hyoscine Butylbromide EP Impurity F

Please enquire for price & pack size

In Stock

CAS No.

Mol F.

: C21H30BrNO4

Mol W.

: 440.37

Cat No.

: SA46106

Hyoscine Butylbromide, Impurities

Hyoscine Butylbromide EP Impurity E

Please enquire for price & pack size

In Stock

CAS No.

: 22235-98-9 (HCl); 14861-14-4 (Base)

Mol F.

: C20H28ClNO4

Mol W.

: 381.89

Cat No.

: SA46105

Hyoscine Butylbromide

Hyoscine Butylbromide EP Impurity D

Please enquire for price & pack size

In Stock

CAS No.

Mol F.

: C20H28BrNO4

Mol W.

: 426.34

Cat No.

: SA46104

Hyoscine Butylbromide

Hyoscine Butylbromide EP Impurity C

Please enquire for price & pack size

In Stock

CAS No.

: 155-41-9

Mol F.

: C18H24BrNO4

Mol W.

: 398.29

Cat No.

: SA46103

Hyoscine Butylbromide, Impurities

Hyoscine Butylbromide EP Impurity B

Please enquire for price & pack size

PLEASE ENQUIRE

CAS No.

: 552-63-6

Mol F.

: C9H10O3

Mol W.

: 166.17

Cat No.

: SA46102

Hyoscine Butylbromide, Impurities

Hyoscine Butylbromide EP Impurity A

Please enquire for price & pack size

PLEASE ENQUIRE

CAS No.

: 114-49-8 (anhydrate); 6533-68-2 (trihydrate)

Mol F.

: C17H28BrNO7

Mol W.

: 438.31

Cat No.

: SA46101

Hyoscine Butylbromide, Impurities

Hyoscine Butylbromide

Please enquire for price & pack size

PLEASE ENQUIRE

CAS No.

: 149-64-4

Mol F.

: C21H30BrNO4

Mol W.

: 440.37

Cat No.

: SA46100

Impurities, Levetiracetam

Levetiracetam Carboxylic Acid

Please enquire for price & pack size

In Stock

CAS No.

: 102849-49-0

Mol F.

: C8H13NO3

Mol W.

: 171.19

Cat No.

: SA46002

Impurities, Levetiracetam

(R)-2-Aminobutanamide hydrochloride

Please enquire for price & pack size

PLEASE ENQUIRE

CAS No.

: 103765-03-3 (HCl)

Mol F.

: C11H13NO3

Mol W.

: 207.23

Cat No.

: SA46001

Impurities, Levetiracetam

Levetiracetam EP Impurity G

Please enquire for price & pack size

PLEASE ENQUIRE

CAS No.

: 7682-20-4

Mol F.

: C4H11ClN2O

Mol W.

: 138.6

Cat No.

: SA46000

Difluprednate, Impurities

(E)-2-((6S,8S,9R,10S,11S,13S,14S)-6,9-difluoro-11-hydroxy-10,13-dimethyl-3-oxo-7,8,9,11,12,13,15,16-octahydro-3H-cyclopenta[a]phenanthren-1

Please enquire for price & pack size

PLEASE ENQUIRE

CAS No.

: NA

Mol F.

: C21H24F2O4

Mol W.

: 378.41

Cat No.

: SA45901

Imipramine, Impurities

Imipramine EP Impurity B

Please enquire for price & pack size

In Stock

CAS No.

: 58262-51-4

Mol F.

: C19H23ClN2

Mol W.

: 314.85

Cat No.

: SA45801

Hydrocortisone Acetate, Impurities

Hydrocortisone Acetate EP Impurity G

Please enquire for price & pack size

Limited Stock

CAS No.

: 81968-66-3

Mol F.

: C25H34O7

Mol W.

: 446.53

Cat No.

: SA45701

Impurities, Prochlorperazine Maleate

4-Chloro-10H-phenothiazine; 4-Chlorophenothiazine

Please enquire for price & pack size

PLEASE ENQUIRE

CAS No.

: 7369-69-9

Mol F.

: C12H8ClNS

Mol W.

: 233.72

Cat No.

: SA45604

Impurities, Prochlorperazine Maleate

Prochlorperazine Related Compound A

Please enquire for price & pack size

Limited Stock

CAS No.

: 1346602-34-3

Mol F.

: C20H24ClN3S

Mol W.

: 373.94

Cat No.

: SA45603

Impurities, Prochlorperazine Maleate

Prochlorperazine Maleate Degradant V

Please enquire for price & pack size

Limited Stock

CAS No.

: 58-38-8

Mol F.

: C20H24ClN3OS

Mol W.

: 389.94

Cat No.

: SA45602

Impurities, Prochlorperazine Maleate

Prochlorperazine Maleate Degradant IV

Please enquire for price & pack size

PLEASE ENQUIRE

CAS No.

Mol F.

: C20H24ClN3OS

Mol W.

: 389.94

Cat No.

: SA45601

Impurities, Prochlorperazine Maleate

Prochlorperazine Maleate Degradant II

Please enquire for price & pack size

PLEASE ENQUIRE

CAS No.

Mol F.

: C20H24ClN3O2S

Mol W.

: 405.94

Cat No.

: SA45600

Impurities, Topiramate

Topiramate Azidosulfate Impurity

Please enquire for price & pack size

PLEASE ENQUIRE

CAS No.

: 106881-35-0

Mol F.

: C12H19N3O8S

Mol W.

: 365.36

Cat No.

: SA45516

Impurities, Topiramate

R-Hydroxy Topiramate

Please enquire for price & pack size

PLEASE ENQUIRE

CAS No.

: 198215-60-0

Mol F.

: C12H21NO9S

Mol W.

: 355.36

Cat No.

: SA45515

Impurities, Topiramate

S-Hydroxy Topiramate

Please enquire for price & pack size

PLEASE ENQUIRE

CAS No.

: 198215-62-2

Mol F.

: C12H21NO9S

Mol W.

: 355.36

Cat No.

: SA45514

Impurities, Topiramate

4,5-O-(1-Methylethylidene)-β-D-fructopyranose

Please enquire for price & pack size

PLEASE ENQUIRE

CAS No.

: 912456-61-2

Mol F.

: C9H16O6

Mol W.

: 220.22

Cat No.

: SA45513

Impurities, Topiramate

((3aR,6S,7S,7aR)-6,7-Dihydroxy-2,2-dimethyltetrahydro-3aH-[1,3]dioxolo[4,5-b]pyran-3a-yl)methyl Sulfamate

Please enquire for price & pack size

PLEASE ENQUIRE

CAS No.

: 152192-21-7

Mol F.

: C9H17NO8S

Mol W.

: 299.3

Cat No.

: SA45512

Impurities, Topiramate

Des-[4,5-O-(1-methylethylidene)] Topiramate

Please enquire for price & pack size

PLEASE ENQUIRE

CAS No.

: 205249-06-5

Mol F.

: C9H17NO6S

Mol W.

: 267.3

Cat No.

: SA45511

Impurities, Topiramate

D-Fructopiranose Hydrochloride

Please enquire for price & pack size

PLEASE ENQUIRE

CAS No.

: 32785-90-3

Mol F.

: C12H19ClO5

Mol W.

: 278.73

Cat No.

: SA45510

Topiramate

Topiramate N-Methyl Impurity

$1,995.00 250 mg

PLEASE ENQUIRE

CAS No.

: 97240-80-7

Mol F.

: C13H23NO8S

Mol W.

: 353.39

Cat No.

: SA45509

Impurities, Topiramate

Topiramate Chlorosulfonyl Impurity

Please enquire for price & pack size

PLEASE ENQUIRE

CAS No.

: 150609-95-3

Mol F.

: C12H19ClO8S

Mol W.

: 358.79

Cat No.

: SA45508

Impurities, Topiramate

2,3-Desisopropylidene Topiramate Impurity

Please enquire for price & pack size

PLEASE ENQUIRE

CAS No.

: 851957-35-2

Mol F.

: C9H17NO8S

Mol W.

: 299.3

Cat No.

: SA45507

Impurities, Topiramate

Topiramate Di-desisopropylidene Impurity

Please enquire for price & pack size

PLEASE ENQUIRE

CAS No.

: 106881-42-9

Mol F.

: C6H13NO8S

Mol W.

: 259.23

Cat No.

: SA45506

Topiramate

Topiramate EP Impurity E

$195.00 1 g

PLEASE ENQUIRE

CAS No.

: 57-48-7

Mol F.

: C6H12O6

Mol W.

: 180.16

Cat No.

: SA45505

Topiramate

Topiramate EP Impurity A

$175.00 50 mg

PLEASE ENQUIRE

CAS No.

: 20880-92-6

Mol F.

: C12H20O6

Mol W.

: 260.27

Cat No.

: SA45504

Topiramate

Topiramate EP impurity D

$2,995.00 1 g

PLEASE ENQUIRE

CAS No.

: 950603-46-0

Mol F.

: C25H39NO15S

Mol W.

: 625.6

Cat No.

: SA45503

Topiramate

Topiramate EP impurity C

$2,555.00 1 g

PLEASE ENQUIRE

CAS No.

: 106881-41-8

Mol F.

: C9H17NO8S

Mol W.

: 299.3

Cat No.

: SA45502

Topiramate

Topiramate EP impurity B

$1,555.00 1 g

PLEASE ENQUIRE

CAS No.

: 876403-98-4

Mol F.

: C17H30N2O9S

Mol W.

: 438.49

Cat No.

: SA45501

Impurities, Topiramate

Topiramate

Please enquire for price & pack size

PLEASE ENQUIRE

CAS No.

: 97240-79-4

Mol F.

: C12H21NO8S

Mol W.

: 339.36

Cat No.

: SA45500

Fosaprepitant, Impurities, Nitrosamine

Fosaprepitant (Morpholine Nitroso Intermediate)

Please enquire for price & pack size

In Stock

CAS No.

Mol F.

: C20H17F7N2O3

Mol W.

: 466.35

Cat No.

: SA45428

Fosaprepitant, Impurities

Fosaprepitant Dimeglumine impurity F

Please enquire for price & pack size

In Stock

CAS No.

Mol F.

: C44H62F7N6O16P

Mol W.

: 1094.96 (Dimeglumine salt); 704.53 (Free Base)

Cat No.

: SA45427

Fosaprepitant, Impurities

MORPHOLINE IMPURITY FOR APREPITANT (Oxalatae salt)

Please enquire for price & pack size

PLEASE ENQUIRE

CAS No.

: 1242175-41-2

Mol F.

: C22H20F7NO6

Mol W.

: 527.4

Cat No.

: SA45426

Fosaprepitant, Impurities

(1R, 2R, 3S) Fosaprepitant Dimeglumine

Please enquire for price & pack size

In Stock

CAS No.

: 265121-04-8

Mol F.

: C37H56F7N6O16P (Dimeglumine salt)

Mol W.

: 1004.83

Cat No.

: SA45425

Fosaprepitant, Impurities

Dibenzyl ester of desfluoro fosaprepitant

$750.00 25 mg

In Stock

CAS No.

Mol F.

: C37H35F6N4O6P

Mol W.

: 776.66

Cat No.

: SA45424

Fosaprepitant, Impurities

Dibenzyl ester of fosaprepitant enantiomer

$850.00 25 mg

In Stock

CAS No.

Mol F.

: C37H34F7N4O6P

Mol W.

: 794.65

Cat No.

: SA45423

Fosaprepitant, Impurities

Aprepitant M2 Metabolite (1S, 2S, 3R)-Isomer

$450.00 25 mg

PLEASE ENQUIRE

CAS No.

: 327623-37-0 (free base); 2475188-05-5

Mol F.

: C20H18F7NO2

Mol W.

: 437.35

Cat No.

: SA45422

Fosaprepitant, Impurities

Desfluoro Fosaprepitant Dimeglumine

$750.00 25 mg

In Stock

CAS No.

Mol F.

: C37H56F6N6O16P

Mol W.

: 985.83

Cat No.

: SA45421

Fosaprepitant, Impurities

N-Benzyl morpholinone impurity

$350.00 25 mg

In Stock

CAS No.

Mol F.

: C21H19F6NO3

Mol W.

: 447.37

Cat No.

: SA45420

Fosaprepitant, Impurities

N-Benzyl CAH Impurity

$350.00 25 mg

In Stock

CAS No.

Mol F.

: C27H24F7NO2

Mol W.

: 527.47

Cat No.

: SA45419

Fosaprepitant, Impurities

Fosaprepitant Enantiomer

$750.00 25 mg

In Stock

CAS No.

: 1523569-86-9; 1523569-87-0 [Salt]

Mol F.

: C37H56F7N6O16P

Mol W.

: 1004.83●614.41 (Free base)

Cat No.

: SA45418

Fosaprepitant, Impurities

(1’S,2S,3R)-Fosaprepitant Dimeglumine

Please enquire for price & pack size

PLEASE ENQUIRE

CAS No.

: NA

Mol F.

: C37H56F7N6O16P

Mol W.

: 1004.83

Cat No.

: SA45417

Fosaprepitant, Impurities

(1’S,2R,3S)-Fosaprepitant Dimeglumine

$850.00 25 mg

In Stock

CAS No.

Mol F.

: C37H56F7N6O16P

Mol W.

: 1004.83

Cat No.

: SA45416