Home / Products

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, Timolol

4-(4-Morpholinyl)-1,2,5-Thiadiazol-3(2H)-one 1-Oxide Potassium Salt

Please enquire for price & pack size

PLEASE ENQUIRE

CAS No.

: 79844-78-3

Mol F.

: C6H8KN3O3S

Mol W.

: 241.31

Cat No.

: SA23213

Impurities, Timolol

(S)-Didemethyltimolol Maleate

$295.00 25 mg

In Stock

CAS No.

Mol F.

: C15H24N4O7

Mol W.

: 404.44

Cat No.

: SA23212

Impurities, Timolol

(2S,2’S)-3,3’-((1,2,5-Thiadiazole-3,4-diyl)bis(oxy))bis(1-(tert-butylamino)propan-2-ol)

$1,995.00 100 mg

PLEASE ENQUIRE

CAS No.

Mol F.

: C16H32N4O4S

Mol W.

: 376.51

Cat No.

: SA23211

Impurities, Timolol

Timolol Maleate

$100.00 25 mg

In Stock

CAS No.

: 26921-17-5

Mol F.

: C17H28N4O7S

Mol W.

: 432.49

Cat No.

: SA23210

Impurities, Timolol

Timolol EP Impurity J

$1,200.00 25 mg

PLEASE ENQUIRE

CAS No.

Mol F.

: C16H32N4O4S

Mol W.

: 376.51

Cat No.

: SA23209

Impurities, Timolol

Timolol EP Impurity I

$350.00 25 mg

In Stock

CAS No.

: 2469037-77-0

Mol F.

: C11H20N4O3S

Mol W.

: 288.37

Cat No.

: SA23208

Impurities, Timolol

Timolol EP Impurity H

$750.00 25 mg

In Stock

CAS No.

: 158636-97-6

Mol F.

: C13H24N4O3S

Mol W.

: 316.42

Cat No.

: SA23207

Impurities, Timolol

Timolol EP Impurity G

$450.00 25 mg

In Stock

CAS No.

: 75202-36-7

Mol F.

: C6H9N3O3S

Mol W.

: 203.22

Cat No.

: SA23206

Impurities, Timolol

Timolol EP Impurity F

$80.00 25 mg

In Stock

CAS No.

: 30165-96-9

Mol F.

: C6H8ClN3OS

Mol W.

: 205.67

Cat No.

: SA23205

Impurities, Timolol

Timolol EP Impurity E

$650.00 25 mg

In Stock

CAS No.

: 1026075-53-5

Mol F.

: C17H26N4O6S

Mol W.

: 414.48

Cat No.

: SA23204

Impurities, Timolol

Timolol EP Impurity D

$150.00 25 mg

In Stock

CAS No.

: 30165-97-0

Mol F.

: C6H9N3O2S

Mol W.

: 187.22

Cat No.

: SA23203

Impurities, Timolol

Timolol EP Impurity C

$490.00 25 mg

In Stock

CAS No.

: 610271-56-2; 610271-57-3

Mol F.

: C19H31N7O4S2

Mol W.

: 485.62

Cat No.

: SA23202

Impurities, Timolol

Timolol EP Impurity B

$380.00 25 mg

In Stock

CAS No.

: 59697-06-2

Mol F.

: C13H24N4O3S

Mol W.

: 316.42

Cat No.

: SA23201

Impurities, Timolol

Timolol EP Impurity A

$250.00 25 mg

In Stock

CAS No.

: 26839-76-9 (Free Base); 26839-77-0 (Maleate Salt)

Mol F.

: C13H24N4O3S

Mol W.

: 316.42

Cat No.

: SA23200

Cyclobenzaprine, Impurities

Desmethyl Boc-Cyclobenzaprine

Please enquire for price & pack size

PLEASE ENQUIRE

CAS No.

: 1346604-04-3

Mol F.

: C₂₄H₂₇NO₂

Mol W.

: 361.48

Cat No.

: SA23108

Cyclobenzaprine, Impurities

Cyclobenzaprine 3-Hydroxy Impurity

Please enquire for price & pack size

PLEASE ENQUIRE

CAS No.

: 30235-48-4

Mol F.

: C20H21NO

Mol W.

: 291.39

Cat No.

: SA23107

Cyclobenzaprine, Impurities

Cyclobenzaprine Dibenzosuberenone Impurity

$85.00 25 mg

PLEASE ENQUIRE

CAS No.

: 2222-33-5

Mol F.

: C15H10O

Mol W.

: 206.24

Cat No.

: SA23106

Cyclobenzaprine, Impurities

Cyclobenzaprine N-Oxide

$150.00 25 mg

In Stock

CAS No.

: 6682-26-4

Mol F.

: C20H21NO

Mol W.

: 291.39

Cat No.

: SA23105

Cyclobenzaprine, Impurities

Cyclobenzaprine Didesmethyl

Please enquire for price & pack size

PLEASE ENQUIRE

CAS No.

: 1614-47-7

Mol F.

: C18H18ClN

Mol W.

: 283.8

Cat No.

: SA23104

Cyclobenzaprine, Impurities

Cyclobenzaprine Desmethyl Hydrochloride

Please enquire for price & pack size

PLEASE ENQUIRE

CAS No.

: 438-59-5

Mol F.

: C19H20ClN

Mol W.

: 297.82

Cat No.

: SA23103

Cyclobenzaprine, Impurities

Cyclobenzaprine HCl

Please enquire for price & pack size

PLEASE ENQUIRE

CAS No.

: 303-53-7 (Base); 6202-23-9 (HCl)

Mol F.

: C20H22ClN

Mol W.

: 311.85

Cat No.

: SA23102

Cyclobenzaprine, Impurities

Cyclobenzaprine 5-Hydroxy Impurity

Please enquire for price & pack size

PLEASE ENQUIRE

CAS No.

: 18029-54-4

Mol F.

: C20H23NO

Mol W.

: 293.4

Cat No.

: SA23101

Dapoxetine, Impurities

(R)-Dapoxetine Hydrochloride

Please enquire for price & pack size

In Stock

CAS No.

: 156453-51-9

Mol F.

: C21H23NOHCl"

Mol W.

: 341.87

Cat No.

: SA23001

Emtricitabine, Impurities

Emtricitabine Uracil Impurity

Please enquire for price & pack size

PLEASE ENQUIRE

CAS No.

: 1422361-25-8

Mol F.

: C18H25FN2O5S

Mol W.

: 400.46

Cat No.

: SA22932

Emtricitabine, Impurities

D-Isomenthol Emtricitanibe Impurity

Please enquire for price & pack size

PLEASE ENQUIRE

CAS No.

: 23283-97-8

Mol F.

: C10H20O

Mol W.

: 156.3

Cat No.

: SA22931

Emtricitabine, Impurities

5-Epi emtricitabine & its enantiomers

Please enquire for price & pack size

In Stock

CAS No.

: NA

Mol F.

: C16H20F2N6O6S2

Mol W.

: 494.49

Cat No.

: SA22930

Emtricitabine, Impurities

CFTU1/CFTU2 (Mixture)

Please enquire for price & pack size

In Stock

CAS No.

Mol F.

: C8H9FN2O4S

Mol W.

: 248.23

Cat No.

: SA22929

Emtricitabine, Impurities

Emtricitabine Diastereomer (RS ISOMER )

Please enquire for price & pack size

PLEASE ENQUIRE

CAS No.

: 143491-54-7

Mol F.

: C8H10N3O3FS

Mol W.

: 247.25

Cat No.

: SA22928

Emtricitabine, Impurities

(2R,5R)-((1R,2S,5R)-2-isopropyl-5-methylcyclohexyl) 5-(4-benzamido-5-fluoro-2-oxopyrimidin-1(2H)-yl)-1,3-oxathiolane-2-carboxylate

Please enquire for price & pack size

In Stock

CAS No.

: NA

Mol F.

: C25H30FN3O5S

Mol W.

: 503.59

Cat No.

: SA22927

Emtricitabine

Emtricitabine (R)-Sulphoxide Oxide

$165.00 10 mg

In Stock

CAS No.

: 2101981-64-8

Mol F.

: C8H10FN3O4S

Mol W.

: 263.25

Cat No.

: SA22926

Emtricitabine, Impurities

Emtricitabine (S)-Sulphoxide Oxide

$145.00 10 mg

In Stock

CAS No.

: 1160303-44-5

Mol F.

: C8H10FN3O4S

Mol W.

: 263.25

Cat No.

: SA22925

Emtricitabine

Emtricitabine cis-Cyclic Impurity

Please enquire for price & pack size

In Stock

CAS No.

Mol F.

: C8H9FN2O4S

Mol W.

: 248.23

Cat No.

: SA22924

Emtricitabine, Impurities

Emtricitabine Sulphoxide Impurity

$175.00 25 mg

In Stock

CAS No.

: 152128-77-3

Mol F.

: C8H10FN3O4S

Mol W.

: 263.25

Cat No.

: SA22923

Emtricitabine, Impurities

2-Chloro-4-amino-5-fluoropyrimidine

Please enquire for price & pack size

PLEASE ENQUIRE

CAS No.

: 155-10-2

Mol F.

: C4H3ClFN3

Mol W.

: 147.54

Cat No.

: SA22922

Emtricitabine, Impurities

Emtricitabine N,N’-Methylene Dimer

Please enquire for price & pack size

PLEASE ENQUIRE

CAS No.

: 1962114-97-1

Mol F.

: C17H20F2N6O6S2

Mol W.

: 506.51

Cat No.

: SA22921

Emtricitabine, Impurities

5-Fluoro Uracil

Please enquire for price & pack size

PLEASE ENQUIRE

CAS No.

: 51-21-8

Mol F.

: C4H3FN2O2

Mol W.

: 130.08000000000001

Cat No.

: SA22920

Emtricitabine, Impurities

5-Fluoro Cytosine

Please enquire for price & pack size

PLEASE ENQUIRE

CAS No.

: 2022-85-7

Mol F.

: C4H4FN3O

Mol W.

: 129.09

Cat No.

: SA22919

Emtricitabine, Impurities

(2R,5R) Emtricitabine Menthyl Ester

$195.00 5 mg

In Stock

CAS No.

: 1773498-61-5

Mol F.

: C18H26FN3O4S

Mol W.

: 399.48

Cat No.

: SA22918

Emtricitabine, Impurities

(2S,5S) Emtricitabine Menthyl Ester

$195.00 5 mg

In Stock

CAS No.

: 147027-01-8

Mol F.

: C18H26FN3O4S

Mol W.

: 399.48

Cat No.

: SA22917

Emtricitabine, Impurities

(2S,5R) Emtricitabine Menthyl Ester

$195.00 5 mg

In Stock

CAS No.

: 147126-75-8

Mol F.

: C18H26FN3O4S

Mol W.

: 399.48

Cat No.

: SA22916

Emtricitabine, Impurities

(2S,5S) Emtricitabine Carboxylic Acid

Please enquire for price & pack size

PLEASE ENQUIRE

CAS No.

: NA

Mol F.

: C8H8FN3O4S

Mol W.

: 261.23

Cat No.

: SA22915

Emtricitabine, Impurities

(2R,5S) Emtricitabine Carboxylic Acid

$125.00 25 mg

In Stock

CAS No.

: 1238210-10-0

Mol F.

: C8H8FN3O4S

Mol W.

: 261.23

Cat No.

: SA22914

Emtricitabine, Impurities

(2S,5R) Emtricitabine Carboxylic Acid

Please enquire for price & pack size

PLEASE ENQUIRE

CAS No.

: NA

Mol F.

: C8H8FN3O4S

Mol W.

: 261.23

Cat No.

: SA22913

Emtricitabine, Impurities

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

Please enquire for price & pack size

PLEASE ENQUIRE

CAS No.

: 147027-09-6

Mol F.

: C₁₆H₂₆O₅S

Mol W.

: 330.44

Cat No.

: SA22912

Emtricitabine, Impurities

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

Please enquire for price & pack size

PLEASE ENQUIRE

CAS No.

: NA

Mol F.

: C₁₆H₂₆O₅S

Mol W.

: 330.44

Cat No.

: SA22911

Emtricitabine, Impurities

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

Please enquire for price & pack size

PLEASE ENQUIRE

CAS No.

Mol F.

: C16H26O5S

Mol W.

: 330.44

Cat No.

: SA22910

Emtricitabine, Impurities

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

Please enquire for price & pack size

PLEASE ENQUIRE

CAS No.

: 200396-20-9

Mol F.

: C₁₆H₂₆O₅S

Mol W.

: 330.44

Cat No.

: SA22909

Emtricitabine, Impurities

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

Please enquire for price & pack size

PLEASE ENQUIRE

CAS No.

: 147126-68-9

Mol F.

: C₁₆H₂₆O₅S

Mol W.

: 330.44

Cat No.

: SA22908

Emtricitabine, Impurities

Pyrimidinedione analog; Emtricitabine 5-fluorouracil

$295.00 25 mg

In Stock

CAS No.

: 145986-11-4

Mol F.

: C₈H₉FN₂O₄S

Mol W.

: 248.23

Cat No.

: SA22907

Emtricitabine

ent-Emtricitabine; Emtricitabine IP Impurity D

$445.00 25 mg

In Stock

CAS No.

: 137530-41-7

Mol F.

: C₈H₁₀FN₃O₃S

Mol W.

: 247.25

Cat No.

: SA22906

Emtricitabine, Impurities

Emtricitabine

Please enquire for price & pack size

PLEASE ENQUIRE

CAS No.

: 143491-57-0

Mol F.

: C₈H₁₀FN₃O₃S

Mol W.

: 247.25

Cat No.

: SA22905

Emtricitabine

Emtricitabine Menthyl Ester

$85.00 25 mg

In Stock

CAS No.

: 764659-72-5

Mol F.

: C18H26FN3O4S

Mol W.

: 399.48

Cat No.

: SA22904