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

Please click on the respective API letter

ABCDEFGHIJKLMNOPQRSTUVWXYZ
41078-70-0

,

Risperidone Pyridopyrimidinone Impurity | CAS : 41078-70-0
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CAS No.

: 41078-70-0

Mol F.

: C11H11ClN2O

Mol W.

: 222.67

Cat No.

: SA26324

152542-00-2

,

Risperidone USP RC G
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CAS No.

: 152542-00-2

Mol F.

: C23H28FN3O3

Mol W.

: 413.49

Cat No.

: SA26322

SA50000

,

Ritlecitinib
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CAS No.

Mol F.

: C15H19N5O

Mol W.

: 285.34

Cat No.

: SA50000

SA50008

,

Ritlecitinib Degradation Dimer
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CAS No.

Mol F.

: C30H38N10O2

Mol W.

: 570.69

Cat No.

: SA50008

366789-02-8

,

Rivaroxaban
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CAS No.

: 366789-02-8

Mol F.

: C19H18ClN3O5S

Mol W.

: 435.88

Cat No.

: SA18629

366789-02-8

,

Rivaroxaban
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CAS No.

: 366789-02-8

Mol F.

: C₁₉H₁₈ClN₃O₅S

Mol W.

: 435.88

Cat No.

: SA18600

1838139-24-4

,

Rivaroxaban Impurity D
$350.00 25 mg
PLEASE ENQUIRE

CAS No.

: 1838139-24-4

Mol F.

: C19H18N3O5ClS

Mol W.

: 435.88

Cat No.

: SA18618

145202-66-0

,

Rizatriptan Benzoate | CAS : 145202-66-0
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CAS No.

: 145202-66-0

Mol F.

: 391.47

Mol W.

: C15H19N5.C7H6O2

Cat No.

: SA52700

887001-08-3

,

Rizatriptan EP Impurity A | CAS : 887001-08-3
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CAS No.

: 887001-08-3

Mol F.

: C28H35N7

Mol W.

: 469.6

Cat No.

: SA52701

NA

,

Rizatriptan EP Impurity B
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CAS No.

: NA

Mol F.

: C28H32ClN9

Mol W.

: 530.07

Cat No.

: SA52702

208941-96-2

,

Rizatriptan EP Impurity C | CAS : 208941-96-2
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CAS No.

: 208941-96-2

Mol F.

: C15H19N5

Mol W.

: 269.4

Cat No.

: SA52703

162401-32-3

,

Roflumilast
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CAS No.

: 162401-32-3

Mol F.

: C17H14Cl2F2N2O3

Mol W.

: 403.2

Cat No.

: SA38100

162401-62-9

,

Roflumilast Carboxylic Acid Impurity
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CAS No.

: 162401-62-9

Mol F.

: C12H12F2O4

Mol W.

: 258.22

Cat No.

: SA38105

1391052-76-8

,

Roflumilast Descyclopropylmethyl Impurity
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CAS No.

: 1391052-76-8

Mol F.

: C13H8Cl2F2N2O3

Mol W.

: 349.11

Cat No.

: SA38102

1391052-24-6

,

Roflumilast Dicyclopropylmethoxy Impurity
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CAS No.

: 1391052-24-6

Mol F.

: C20H20Cl2N2O3

Mol W.

: 407.29

Cat No.

: SA38101

1412448-29-3

,

Roflumilast Dihydroxy Impurity
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CAS No.

: 1412448-29-3

Mol F.

: C12H8Cl2N2O3

Mol W.

: 299.11

Cat No.

: SA38103

292135-78-5

,

Roflumilast N-Oxide
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CAS No.

: 292135-78-5

Mol F.

: C17H14Cl2F2N2O4

Mol W.

: 419.2

Cat No.

: SA38104

91374-21-9

,

Ropinirole
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CAS No.

: 91374-21-9

Mol F.

: C16H25ClN2O

Mol W.

: 296.84

Cat No.

: SA41200

1797131-21-5

,

Ropinirole 3-Methoxy Impurity
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CAS No.

: 1797131-21-5

Mol F.

: C17H27ClN2O2

Mol W.

: 326.86

Cat No.

: SA41216

920755-10-8

,

Ropinirole Aminoacetic Acid
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CAS No.

: 920755-10-8

Mol F.

: C16H25N2NaO2

Mol W.

: 278.39

Cat No.

: SA41212

120427-96-5

,

Ropinirole Bromoethyl Impurity
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CAS No.

: 120427-96-5

Mol F.

: C10H10BrNO

Mol W.

: 240.1

Cat No.

: SA41213

221264-21-7 (HCl salt)

,

Ropinirole EP Impurity A
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CAS No.

: 221264-21-7 (HCl salt)

Mol F.

: C16H23ClN2O2

Mol W.

: 310.82

Cat No.

: SA41201

249622-60-4

,

Ropinirole EP Impurity B
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CAS No.

: 249622-60-4

Mol F.

: C16H24N2O

Mol W.

: 260.37

Cat No.

: SA41202

221264-43-3 (Z/E); 145570-92-9 (Z)

,

Ropinirole EP Impurity C
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CAS No.

: 221264-43-3 (Z/E); 145570-92-9 (Z)

Mol F.

: C19H29ClN2O

Mol W.

: 336.9

Cat No.

: SA41203

173990-76-6

,

Ropinirole EP Impurity D
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CAS No.

: 173990-76-6

Mol F.

: C13H18N2O.HCl

Mol W.

: 254.76

Cat No.

: SA41204

SA41205

,

Ropinirole EP Impurity E
Please enquire for price & pack size
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CAS No.

Mol F.

: C17H24N2O

Mol W.

: 272.39

Cat No.

: SA41205

139122-19-3

,

Ropinirole EP Impurity F
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CAS No.

: 139122-19-3

Mol F.

: C10H11NO2

Mol W.

: 177.2

Cat No.

: SA41206

76149-15-0

,

Ropinirole EP Impurity G
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CAS No.

: 76149-15-0

Mol F.

: C16H24N2

Mol W.

: 244.38

Cat No.

: SA41207

SA41208

,

Ropinirole EP Impurity H
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CAS No.

Mol F.

: C16H23N3O2

Mol W.

: 289.37

Cat No.

: SA41208

1797132-03-6

,

Ropinirole N-Ethyl Impurity
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CAS No.

: 1797132-03-6

Mol F.

: C18H28N2O

Mol W.

: 288.43

Cat No.

: SA41209

954117-22-7 (base)

,

Ropinirole N-Hydroxy Impurity
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CAS No.

: 954117-22-7 (base)

Mol F.

: C16H25ClN2O2

Mol W.

: 312.83

Cat No.

: SA41215

1027600-42-5

,

Ropinirole N-Hydroxymethyl Impurity
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CAS No.

: 1027600-42-5

Mol F.

: C17H26N2O2

Mol W.

: 290.4

Cat No.

: SA41210

1076199-41-1 (base)

,

Ropinirole N-Oxide
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CAS No.

: 1076199-41-1 (base)

Mol F.

: C16H25ClN2O2 (HCl salt)

Mol W.

: 312.83

Cat No.

: SA41214

91374-25-3

,

Ropinirole Open Ring Nitro Impurity
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CAS No.

: 91374-25-3

Mol F.

: C16H25ClN2O4

Mol W.

: 344.83

Cat No.

: SA41211

SA12172

,

Rosuvastatin (3R,5R)-Isomer Ethyl Ester
$1,050.00 25 mg
PLEASE ENQUIRE

CAS No.

Mol F.

: C24H32FN3O6S

Mol W.

: 509.59

Cat No.

: SA12172

1422954-11-7

,

Rosuvastatin (3R,5R)-Lactone
$555.00 25 mg
PLEASE ENQUIRE

CAS No.

: 1422954-11-7

Mol F.

: C22H26FN3O5S

Mol W.

: 463.52

Cat No.

: SA12173

615263-55-3

,

Rosuvastatin (3S,5R)-Isomer Ethyl Ester
$650.00 25 mg
PLEASE ENQUIRE

CAS No.

: 615263-55-3

Mol F.

: C24H32FN3O6S

Mol W.

: 509.59

Cat No.

: SA12174

615263-54-2

,

Rosuvastatin (3S,5R)-Isomer Methyl Ester
$600.00 25 mg
PLEASE ENQUIRE

CAS No.

: 615263-54-2

Mol F.

: C23H30FN3O6S

Mol W.

: 495.56

Cat No.

: SA12175

SA12176

,

Rosuvastatin (3S,5S)-Isomer Ethyl Ester
$1,195.00 50 mg
PLEASE ENQUIRE

CAS No.

Mol F.

: C24H32FN3O6S

Mol W.

: 509.59

Cat No.

: SA12176

SA12177

,

Rosuvastatin (3S,5S)-Isomer Methyl Ester
$1,195.00 50 mg
PLEASE ENQUIRE

CAS No.

Mol F.

: C23H30FN3O6S

Mol W.

: 495.56

Cat No.

: SA12177

SA121106

,

Rosuvastatin (3S,5S)-Isomer Methyl Ester
Please enquire for price & pack size
PLEASE ENQUIRE

CAS No.

Mol F.

: C23H30FN3O6S

Mol W.

: 495.56

Cat No.

: SA121106

SA121105

,

Rosuvastatin (3S,5S)-Isomer Methyl Ester
$755.00 100 mg
PLEASE ENQUIRE

CAS No.

Mol F.

: C23H30FN3O6S

Mol W.

: 495.56

Cat No.

: SA121105

2185805-16-5

,

Rosuvastatin (3S,5S)-Isomer t-Butyl Ester
$1,150.00 25 mg
PLEASE ENQUIRE

CAS No.

: 2185805-16-5

Mol F.

: C26H36FN3O6S

Mol W.

: 537.64

Cat No.

: SA12171

2514682-15-4

,

Rosuvastatin (6R)-Anhydro Lactone Impurity
$650.00 25 mg
PLEASE ENQUIRE

CAS No.

: 2514682-15-4

Mol F.

: C22H24FN3O4S

Mol W.

: 445.51

Cat No.

: SA12169

SA12179

,

Rosuvastatin (6R)-Isomer Methyl Ester
Please enquire for price & pack size
PLEASE ENQUIRE

CAS No.

Mol F.

: C23H30FN3O6S

Mol W.

: 495.56

Cat No.

: SA12179

SA121107

,

Rosuvastatin (6R)-Isomer Methyl Ester
$1,550.00 100 mg
PLEASE ENQUIRE

CAS No.

Mol F.

: C23H30FN3O6S

Mol W.

: 495.56

Cat No.

: SA121107

2514963-93-8

,

Rosuvastatin (6S)-Anhydro Lactone Impurity
Please enquire for price & pack size
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CAS No.

: 2514963-93-8

Mol F.

: C22H24FN3O4S

Mol W.

: 445.51

Cat No.

: SA12181

SA121108

,

Rosuvastatin (6S)-Isomer Methyl Ester
$1,549.00 100 mg
PLEASE ENQUIRE

CAS No.

Mol F.

: C23H30FN3O6S

Mol W.

: 495.56

Cat No.

: SA121108

2452383-23-0

,

Rosuvastatin 2,3-Anhydro Acid Ethyl Ester
$455.00 50 mg
PLEASE ENQUIRE

CAS No.

: 2452383-23-0

Mol F.

: C24H30FN3O5S

Mol W.

: 491.59

Cat No.

: SA12184

SA12183

,

Rosuvastatin 2,3,4,5-Dianhydro Acid Ethyl Ester
$1,995.00 100 mg
PLEASE ENQUIRE

CAS No.

Mol F.

: C24H28FN3O4S

Mol W.

: 473.17

Cat No.

: SA12183

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