TLC Pharmaceutical Standards

TLC Pharmaceutical Standards

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PREGABALIN

P-274

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Catalogue Number:	P-274
Compound Name:	rac-Pregabalin EP Impurity A (Pregabalin USP Related Compound C, Pregabalin Lactam Impurity)
Synonyms:	4-isobutylpyrrolidin-2-one
CAS#:	61312-87-6
Alternate CAS#:
Molecular Formula:	C₈H₁₅NO
Molecular Weight:	141.21

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C₈H₁₅NO₂

M.W. 157.21

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Pregabalin EP Impurity B (Pregabalin USP Related Compound A, (R)-Pregabalin)

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C₈H₁₇NO₂

M.W. 159.23

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CAS No. 75143-89-4

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M.W. 188.22

P-279

rac-Pregabalin-d10

rac-Pregabalin

CAS No. 128013-69-4

C₈H₁₇NO₂

M.W. 159.23

P-2710

rac-Pregabalin-d10

Pregabalin Impurity 94

CAS No. 181289-33-8

C₉H₁₇NO₃

M.W. 187.24

P-2711

rac-Pregabalin-d10

Pregabalin Impurity PD 0312236

C₂₀H₃₅NO₁₁

M.W. 465.50

P-2712

rac-Pregabalin-d10

Pregabalin Impurity PD 0312237

C₂₀H₃₅NO₁₁

M.W. 465.50

P-2713

rac-Pregabalin-d10

Pregabalin Impurity PD 0224378

CAS No. 501665-88-9

C₂₀H₃₅NO₁₁

M.W. 465.50

P-2714

rac-Pregabalin-d10

Pregabalin Methyl Ester HCl

CAS No. 714230-22-5

C9H19NO2. HCl

M.W. 173.26 36.46

P-2715

rac-Pregabalin-d10

Pregabalin Impurity 26

CAS No. 181289-16-7

C8H13NO2

M.W. 155.20

P-2716

rac-Pregabalin-d10

Pregabalin Impurity

C10H17NO3

M.W. 199.25

P-2717

rac-Pregabalin-d10

Pregabalin Impurity 13

CAS No. 916982-10-0

C₉H₁₅NO₂

M.W. 169.23

P-2718

rac-Pregabalin-d10

Pregabalin Diacid

C8H14O4

M.W. 174.20

P-2719

rac-Pregabalin-d10

Pregabalin Lactose Conjugate Impurity

C20H35NO11

M.W. 465.50

P-2721

rac-Pregabalin-d10

Pregabalin Impurity PD0310806

CAS No. 501666-22-4

C14H25NO6

M.W. 303.36

P-2722

rac-Pregabalin-d10

Pregabalin Impurity PD0224377

CAS No. 501665-97-0

C14H25NO6

M.W. 303.36

P-2723

rac-Pregabalin-d10

Pregabalin Related Compound 2

CAS No. 466678-47-7

C14H25NO6

M.W. 303.36

P-2724

rac-Pregabalin-d10

rac-Pregabalin Impurity 94

CAS No. 181289-15-6

C₉H₁₇NO₃

M.W. 187.24

P-2725

rac-Pregabalin-d10

Pregabalin Impurity 1

C16H30N2O2

M.W. 282.43

P-2727

rac-Pregabalin-d10

Pregabalin Impurity 3

C12H22O3

M.W. 214.31

P-2728

rac-Pregabalin-d10

Pregabalin Impurity 4 HCl

CAS No. 1955498-14-2

C₁₀H₂₁NO₂. HCl

M.W. 187.28 36.46

P-2729

rac-Pregabalin-d10

Pregabalin Impurity 5 Tartrate

CAS No. 1484267-23-3 (free base)

C12H25NO2. C4H6O6

M.W. 215.34 150.09

P-2726

rac-Pregabalin-d10

Pregabalin Impurity 2

C₁₀H₁₈O₃

M.W. 186.25

P-2730

rac-Pregabalin-d10

Pregabalin Impurity 6 (Mixture of Diastereomers)

C₉H₁₇NO₃

M.W. 187.24

P-2731

rac-Pregabalin-d10

Pregabalin Impurity 7 D-Tartrate

CAS No. 1094517-98-2

C₁₂H₂₆N₂O. C₄H₆O₆

M.W. 214.35 150.09

P-2732

rac-Pregabalin-d10

Pregabalin EP Impurity A ((S)-Pregabalin USP Related Compound C, (S)-Pregabalin Lactam Impurity)

CAS No. 181289-23-6

C₈H₁₅NO

M.W. 141.21

P-2733

rac-Pregabalin-d10

Pregabalin Impurity 9

CAS No. 185815-56-9

C₁₁H₁₆N₄O₂

M.W. 236.28

P-27119

rac-Pregabalin-d10

Pregabalin EP Impurity D (Mandelic Acid Isopropyl Ester)

CAS No. 4118-51-8

C₁₁H₁₄O₃

M.W. 194.23

P-2734

rac-Pregabalin-d10

Pregabalin Impurity PD0310886

C₁₄H₂₅NO₆

M.W. 303.36

P-2735

rac-Pregabalin-d10

Pregabalin Impurity PD0310887

C14H25NO6

M.W. 303.36

P-2736

rac-Pregabalin-d10

2,3-Dehydro Pregabalin

C₈H₁₅NO₂

M.W. 157.21

P-2737

rac-Pregabalin-d10

Pregabalin Impurity 10

CAS No. 181289-34-9

C₉H₁₇NO₃

M.W. 187.24

P-2738

rac-Pregabalin-d10

Pregabalin Impurity 11 HCl

CAS No. 1155843-61-0 (free base)

C9H19NO2. HCl

M.W. 173.26 36.46

P-2739

rac-Pregabalin-d10

Pregabalin Impurity 12

CAS No. 930280-44-7

C₁₈H₂₈N₂O₃

M.W. 320.43

P-2740

rac-Pregabalin-d10

Pregabalin EP Impurity C (Glycopyrronium Bromide EP Impurity C)

CAS No. 90-64-2

C₈H₈O₃

M.W. 152.15

P-2741

rac-Pregabalin-d10

Pregabalin Impurity 15

C8H14BrNO2

M.W. 236.11

P-2742

rac-Pregabalin-d10

Pregabalin Impurity 16

C₂₄H₄₂N₂O₄

M.W. 422.61

P-2743

rac-Pregabalin-d10

Pregabalin Impurity 17

CAS No. 181289-11-2

C₁₀H₁₈O₄

M.W. 202.25

P-2762

rac-Pregabalin-d10

Pregabalin Impurity 35

CAS No. 96914-67-9

C₉H₁₃NO₂

M.W. 167.21

P-2744

rac-Pregabalin-d10

rac-Pregabalin N-Acrylamide

CAS No. 1495844-28-4

C11H19NO3

M.W. 213.28

P-2745

rac-Pregabalin-d10

Pregabalin Impurity 39 (Ethyl cyanoacetate)

CAS No. 105-56-6

C5H7NO2

M.W. 113.12

P-2746

rac-Pregabalin-d10

Pregabalin Impurity 18

CAS No. 1621171-19-4

C9H15NO2

M.W. 169.22

P-2747

rac-Pregabalin-d10

Pregabalin Impurity 19

CAS No. 89015-27-0

C₁₁H₁₄O₃

M.W. 194.23

P-2748

rac-Pregabalin-d10

Pregabalin Impurity 20 HCl

C₁₁H₂₃NO₂. HCl

M.W. 201.31 36.46

P-2749

rac-Pregabalin-d10

Pregabalin Impurity 21

CAS No. 1083246-65-4

C₁₆H₃₂N₂O₃

M.W. 300.44

P-2750

rac-Pregabalin-d10

Pregabalin Impurity 22

C8H17NO3

M.W. 175.23

P-2751

rac-Pregabalin-d10

Pregabalin Impurity 23

C8H15NO2

M.W. 157.21

P-2752

rac-Pregabalin-d10

Pregabalin Impurity 24 Potassium Salt

C14H20NO2. K

M.W. 234.32 39.10

P-2753

rac-Pregabalin-d10

Pregabalin Impurity 25

C₁₄H₁₉NO

M.W. 217.31

P-2754

rac-Pregabalin-d10

Pregabalin Impurity 27

C10H15NO2

M.W. 181.24

P-2755

rac-Pregabalin-d10

Pregabalin Impurity 28 HCl

C₈H₁₈N₂O. HCl

M.W. 158.25 36.46

P-2756

rac-Pregabalin-d10

Pregabalin Impurity 29

C17H27NO6

M.W. 341.40

P-2757

rac-Pregabalin-d10

Pregabalin Impurity 30

CAS No. 1094517-91-5

C13H26N2O2

M.W. 242.36

P-2758

rac-Pregabalin-d10

Pregabalin Impurity 31 L-Tartrate

CAS No. 1094518-26-9

C12H26N2O. C4H6O6

M.W. 214.35 150.09

P-2759

rac-Pregabalin-d10

Pregabalin Impurity 32

C18H31NO10

M.W. 421.44

P-2760

rac-Pregabalin-d10

Pregabalin Impurity 33

C18H31NO10

M.W. 421.44

P-2761

rac-Pregabalin-d10

Pregabalin Impurity 34

C13H22N2O2

M.W. 238.33

P-2763

rac-Pregabalin-d10

Pregabalin Impurity 36 DiHCl

C₇H₁₈N₂. 2 HCl

M.W. 130.24 2 36.46

P-2764

rac-Pregabalin-d10

Pregabalin Impurity 37 D-Tartrate

C₁₀H₂₂N₂O. C₄H₆O₆

M.W. 186.30 150.09

P-2765

rac-Pregabalin-d10

Pregabalin Impurity 38

C₁₇H₃₂N₂O₅

M.W. 344.45

P-2766

rac-Pregabalin-d10

(R)-4,5-Dehydro Pregabalin

CAS No. 1101167-84-3

C8H15NO2

M.W. 157.21

P-2767

rac-Pregabalin-d10

Pregabalin Impurity 40

C17H32N2O4

M.W. 328.45

P-2768

rac-Pregabalin-d10

Pregabalin Impurity 41

C₂₄H₄₂N₂O₄

M.W. 422.61

P-2769

rac-Pregabalin-d10

Pregabalin Impurity 42

CAS No. 181289-21-4

C₈H₁₅NO₄

M.W. 189.21

P-2770

rac-Pregabalin-d10

Pregabalin Impurity 43

CAS No. 2349671-57-2

C₈H₁₇NO₃

M.W. 175.23

P-2771

rac-Pregabalin-d10

Pregabalin Impurity 44

CAS No. 145328-03-6

C₁₁H₂₀O₄

M.W. 216.28

P-2772

rac-Pregabalin-d10

Pregabalin Impurity 45

C₂₄H₄₂N₂O₄

M.W. 422.61

P-2773

rac-Pregabalin-d10

Pregabalin Impurity 46

CAS No. 1141362-94-8

C₈H₁₅NO₂

M.W. 157.213

P-2774

rac-Pregabalin-d10

Pregabalin Impurity 47

CAS No. 7214-61-1

C₈H₉NO₂

M.W. 151.165

P-2775

rac-Pregabalin-d10

Pregabalin Impurity 48

CAS No. 29882-69-7

C₈H₁₀N₂O

M.W. 150.181

P-2776

rac-Pregabalin-d10

Pregabalin Impurity 49

C₈H₁₆N₂O₃

M.W. 188.227

P-2777

rac-Pregabalin-d10

Pregabalin Impurity 50

C₉H₁₅NO₃

M.W. 185.223

P-2778

rac-Pregabalin-d10

Pregabalin Impurity 51

C₈H₁₆ClNO₂

M.W. 193.671

P-2779

rac-Pregabalin-d10

Pregabalin Impurity 52

C₈H₁₆ClNO₂

M.W. 193.671

P-2780

rac-Pregabalin-d10

Pregabalin Impurity 53

CAS No. 35158-25-9

C₁₀H₁₈O

M.W. 154.253

P-2781

rac-Pregabalin-d10

Pregabalin Impurity 54

CAS No. 51424-01-2

C₇H₁₂O₂

M.W. 128.171

P-2782

rac-Pregabalin-d10

Pregabalin Impurity 55

C₈H₁₅NO₂

M.W. 157.21

P-2783

rac-Pregabalin-d10

Pregabalin Impurity 56

CAS No. 143420-53-5

C₈H₁₂N₂O

M.W. 152.20

P-2784

rac-Pregabalin-d10

Pregabalin Impurity 57

CAS No. 1696397-15-5

C₁₁H₁₆O₈

M.W. 276.24

P-2785

rac-Pregabalin-d10

Pregabalin Impurity 58

CAS No. 1262340-21-5

C₉H₁₈N₂O₂

M.W. 186.26

P-2786

rac-Pregabalin-d10

Pregabalin Impurity 59

C₁₇H₂₆N₂O₂

M.W. 290.41

P-2787

rac-Pregabalin-d10

Pregabalin Impurity 60

CAS No. 959143-48-7

C₁₁H₂₁NO₃

M.W. 215.29

P-2788

rac-Pregabalin-d10

Pregabalin Impurity 61

CAS No. 1239856-83-7

C₁₁H₂₃NO₂

M.W. 201.31

P-2789

rac-Pregabalin-d10

Pregabalin Impurity 62 HCl

C₈H₁₆BrNO₂. HCl

M.W. 238.13 36.46

P-2790

rac-Pregabalin-d10

Pregabalin Impurity 63 HBr

C₈H₁₆BrNO₂. HBr

M.W. 238.13 80.91

P-2791

rac-Pregabalin-d10

Pregabalin Impurity 64 HBr

C₈H₁₆BrNO₂. HBr

M.W. 238.13 80.91

P-2792

rac-Pregabalin-d10

Pregabalin Impurity 65

C₈H₁₄N₂O₂

M.W. 170.21

P-2793

rac-Pregabalin-d10

Pregabalin Impurity 66

CAS No. 1511511-44-6

C₁₀H₁₇NO₃

M.W. 199.25

P-2794

rac-Pregabalin-d10

Pregabalin Impurity 67

C₉H₁₄ClNO₂

M.W. 203.67

P-2795

rac-Pregabalin-d10

Pregabalin Impurity 68

C₉H₁₇ClN₂O₂

M.W. 220.70

P-2796

rac-Pregabalin-d10

Pregabalin Impurity 69 HCl

C₈H₁₆ClNO₂. HCl

M.W. 193.67 36.46

P-2797

rac-Pregabalin-d10

Pregabalin Impurity 70 HCl

C₈H₁₆ClNO₂. HCl

M.W. 193.67 36.46

P-2798

rac-Pregabalin-d10

Pregabalin Impurity 71

CAS No. 181289-25-8 ((S)-Enantionmer)

C₁₀H₁₈O₄

M.W. 202.25

P-2799

rac-Pregabalin-d10

Pregabalin Impurity 72

C₁₀H₁₇ClO₄

M.W. 236.69

P-27100

rac-Pregabalin-d10

Pregabalin Impurity 73

C₁₀H₁₇ClO₄

M.W. 236.69

P-27101

rac-Pregabalin-d10

Pregabalin Impurity 74

C₉H₁₆ClNO₃

M.W. 221.68

P-27102

rac-Pregabalin-d10

Pregabalin Impurity 75

C₁₁H₁₉ClO₄

M.W. 250.72

P-27103

rac-Pregabalin-d10

Pregabalin Impurity 76

C₉H₁₆ClNO₃

M.W. 221.68

P-27104

rac-Pregabalin-d10

Pregabalin Impurity 77

CAS No. 2102350-92-3

C₉H₁₅NO₃

M.W. 185.22

P-27105

rac-Pregabalin-d10

(S)-4,5-Dehydro Pregabalin

CAS No. 1141362-54-0

C₈H₁₅NO₂

M.W. 157.21

P-27106

rac-Pregabalin-d10

Pregabalin Impurity 78

CAS No. 53439-96-6

C₁₁H₁₄O₃

M.W. 194.23

P-27107

rac-Pregabalin-d10

Pregabalin Impurity 79

CAS No. 930585-94-7

C₁₇H₂₅NO₃

M.W. 291.39

P-27108

rac-Pregabalin-d10

Pregabalin Lactose Adduct

CAS No. 466678-44-4

C₂₀H₃₅NO₁₁

M.W. 465.50

P-27109

rac-Pregabalin-d10

Pregabalin Impurity 81

CAS No. 128013-65-0

C₁₀H₁₉NO₄

M.W. 217.27

P-27110

rac-Pregabalin-d10

Pregabalin Impurity 82

CAS No. 103011-96-7

C₁₀H₁₅NO₂

M.W. 181.24

P-27111

rac-Pregabalin-d10

Pregabalin Impurity 83

C₂₂H₃₄N₂O₆

M.W. 422.52

P-27112

rac-Pregabalin-d10

Pregabalin Impurity 84

CAS No. 20049-12-1

C₈H₁₁NO₂

M.W. 153.18

P-27113

rac-Pregabalin-d10

Pregabalin Impurity 85

C₁₁H₁₄N₂O₄

M.W. 238.24

P-27114

rac-Pregabalin-d10

Pregabalin Impurity 86

C₂₀H₃₃NO₁₀

M.W. 447.48

P-27115

rac-Pregabalin-d10

Pregabalin Impurity 87

C₁₂1H₁₁₉1NO₁₄1

M.W. 241.29

P-27116

rac-Pregabalin-d10

Pregabalin Impurity 88

C₁₀H₁₅NO₄

M.W. 213.23

P-27117

rac-Pregabalin-d10

Pregabalin Impurity 89

CAS No. 1786719-42-3

C₁₅H₂₁NO₄

M.W. 279.34

P-27118

rac-Pregabalin-d10

4,5-Dehydro Pregabalin

CAS No. 216576-74-8

C₈H₁₅NO₂

M.W. 157.21

P-27120

rac-Pregabalin-d10

Pregabalin Impurity 90

CAS No. 51615-30-6

C₁₂H₂₀O₄

M.W. 228.29

P-27121

rac-Pregabalin-d10

Pregabalin Impurity 91

CAS No. 4441-78-5

C₈H₁₂O₄

M.W. 172.18

P-27122

rac-Pregabalin-d10

Pregabalin Impurity 92

C₈H₁₄N₂O₂

M.W. 170.21

P-27123

rac-Pregabalin-d10

Pregabalin Impurity 93

CAS No. 1488274-42-5

C₉H₁₇NO₃

M.W. 187.24

P-27124

rac-Pregabalin-d10

Pregabalin Impurity 95

C₉H₁₇NO₃

M.W. 187.24

P-27125

rac-Pregabalin-d10

Pregabalin Impurity 96

CAS No. 186038-82-4

C₁₃H₂₁NO₄

M.W. 255.31

P-27126

rac-Pregabalin-d10

Pregabalin Impurity 97

CAS No. 181289-38-3

C₁₀H₁₇NO₂

M.W. 183.25

P-27127

rac-Pregabalin-d10

(R)-Pregabalin EP Impurity A ((R)-Pregabalin USP Related Compound C, (R)-Pregabalin Lactam Impurity)

CAS No. 181289-22-5

C₈H₁₅NO

M.W. 141.21

P-27128

rac-Pregabalin-d10

Pregabalin Impurity 98

C₈H₁₅NO₂

M.W. 157.21

P-27129

rac-Pregabalin-d10

Pregabalin Impurity 99

C₁₀H₁₇NO₃

M.W. 199.25

P-27130

rac-Pregabalin-d10

Pregabalin Impurity 100

CAS No. 156048-92-9

C₁₀H₁₈O₄

M.W. 202.25

P-27131

rac-Pregabalin-d10

Pregabalin Impurity 101

C₈H₁₇NO₂. C₈H₈O₃

M.W. 159.23 152.15

P-27132

rac-Pregabalin-d10

Pregabalin Mandelic Acid

CAS No. 1190093-99-2

C₁₆H₂₅NO₅

M.W. 311.38

P-27133

rac-Pregabalin-d10

Pregabalin Impurity PD 0312236 and Pregabalin Impurity PD 0312237 (Mixture of Tautomeric Isomers)

C₂₀H₃₅NO₁₁

M.W. 465.50

P-27134

rac-Pregabalin-d10

Pregabalin Impurity 102

C₂₀H₃₅NO₁₁

M.W. 465.50

P-27135

rac-Pregabalin-d10

Pregabalin Impurity 103

CAS No. 868-52-0

C₁₀H₁₅NO₂

M.W. 181.24

P-27136

rac-Pregabalin-d10

Pregabalin Impurity 104

C₂₃H₄₀N₂O₄

M.W. 408.58

P-27137

rac-Pregabalin-d10

Pregabalin Impurity 105

C₂₀H₃₇NO₁₂

M.W. 483.51

P-27138

rac-Pregabalin-d10

Pregabalin Impurity 106

CAS No. 181289-45-2

C₈H₁₅NO₄

M.W. 189.21

P-27139

rac-Pregabalin-d10

Pregabalin Impurity 107

CAS No. 501666-25-7

C₁₄H₂₅NO₆

M.W. 303.36

P-27140

rac-Pregabalin-d10

Pregabalin Impurity 108

CAS No. 1082077-07-3

C₁₁H₂₀O₄

M.W. 216.28

P-27141

rac-Pregabalin-d10

Pregabalin Impurity 109

C₅H₅N₃O₂

M.W. 139.11

P-27142

rac-Pregabalin-d10

Pregabalin Impurity 110

C₅H₄N₂O₄

M.W. 156.10

P-27143

rac-Pregabalin-d10

Pregabalin Impurity 111

C₅H₄N₄O₂

M.W. 152.11

P-27144

rac-Pregabalin-d10

Pregabalin Impurity 112

CAS No. 2683670-28-0

C₇H₅N₃

M.W. 131.14