TLC Pharmaceutical Standards — products catalogue

Category index

All APIs CRMs Stable Isotope Labeled Nitrosamines Impurities Glucuronides Metabolites Other New Products

01 — Find your standard

Search by parent drug (API).

Select a letter or parent drug (API) to browse the catalogue.

All 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

Parent drug

Showing 10201–10300 of 45664 standards · Impurities

C-5345IN STOCK

Cholesterol Impurity 36

CAS #3862-25-7

Mol. formulaC₂₇H₄₄O₂

Mol. weight400.65

Details

C-5347IN STOCK

Cholesterol Impurity 12

CAS #1474-14-2

Mol. formulaC₂₄H₃₆O₄

Mol. weight388.55

Details

C-5348IN STOCK

Cholesterol Impurity 13

CAS #51238-12-1

Mol. formulaC₂₇H₄₆O₂

Mol. weight402.66

Details

C-5356IN STOCK

Cholesterol Impurity 15

CAS #51238-11-0

Mol. formulaC₂₇H₄₆O₂

Mol. weight402.66

Details

C-5359BACK ORDER

Cholesterol Impurity 16 (Lathosterol)

CAS #80-99-9

Mol. formulaC₂₇H₄₆O

Mol. weight386.66

Details

C-5360BACK ORDER

Cholesterol Impurity 16 Sulfate Sodium Salt

CAS #151891-06-4

Mol. formulaC₂₇H₄₅O₄S. Na

Mol. weight465.71 22.99

Details

C-5361IN STOCK

Cholesterol EP Impurity C

CAS #651-54-7

Mol. formulaC₂₇H₄₄O

Mol. weight384.65

Details

C-5362BACK ORDER

Cholesterol Impurity 17 Sulfate Sodium Salt

CAS #NA

Mol. formulaC₂₇H₄₃O₄S. Na

Mol. weight463.70 22.99

Details

C-5364BACK ORDER

Cholesterol Impurity 18 Sulfate Sodium Salt

CAS #107584-99-6

Mol. formulaC₂₇H₄₇O₄S. Na

Mol. weight467.73 22.99

Details

C-5365IN STOCK

Cholesterol Impurity 6 Sulfate Triethylamine Salt

CAS #NA

Mol. formulaC₂₈H₄₇O₄S. C₆H₁₅N

Mol. weight480.75 101.19

Details

C-5369BACK ORDER

Cholesterol Impurity 19

CAS #566-46-1

Mol. formulaC₂₇H₄₆O₂

Mol. weight402.66

Details

C-5370BACK ORDER

Cholesterol Impurity 20

CAS #1370450-75-1

Mol. formulaC₂₇H₄₆O₂

Mol. weight402.66

Details

C-5371BACK ORDER

Cholesterol Impurity 21

CAS #120200-37-5

Mol. formulaC₂₇H₄₆O₂

Mol. weight402.66

Details

C-5372BACK ORDER

Cholesterol Impurity 22

CAS #104475-92-5

Mol. formulaC₂₇H₄₆O₂

Mol. weight402.66

Details

C-5373IN STOCK

Cholesterol Impurity 23

CAS #26654-79-5

Mol. formulaC₂₇H₄₆O₂

Mol. weight402.66

Details

C-5374IN STOCK

Cholesterol Impurity 24

CAS #26654-78-4

Mol. formulaC₂₇H₄₆O₂

Mol. weight402.66

Details

C-5375IN STOCK

Cholesterol Impurity 25

CAS #26358-75-8

Mol. formulaC₂₇H₄₆O₂

Mol. weight402.66

Details

C-5376IN STOCK

Cholesterol Impurity 26

CAS #63908-96-3

Mol. formulaC₂₇H₄₆O₂

Mol. weight402.66

Details

C-5377BACK ORDER

Cholesterol Impurity 27

CAS #133587-03-8

Mol. formulaC₂₇H₄₆O₂

Mol. weight402.66

Details

C-5378BACK ORDER

Cholesterol Impurity 28

CAS #70223-10-8

Mol. formulaC₂₇H₄₆O₂

Mol. weight402.66

Details

C-538BACK ORDER

27-Carboxy 7-Ketocholesterol

CAS #NA

Mol. formulaC27H42O4

Mol. weight430.63

Details

C-5380IN STOCK

Cholesterol EP Impurity PD

CAS #15073-00-4

Mol. formulaC₂₈H₄₈O

Mol. weight400.69

Details

C-5383BACK ORDER

Cholesterol Impurity 16-d7 (Lathosterol-d7)

CAS #NA

Mol. formulaC₂₇H₃₉D₇O

Mol. weight393.71

Details

C-5384BACK ORDER

Cholesterol Impurity 30

CAS #1253-88-9

Mol. formulaC₂₉H₅₀O

Mol. weight414.72

Details

C-5385BACK ORDER

Cholesterol Impurity 31

CAS #90344-02-8

Mol. formulaC₄₂H₇₂O₃

Mol. weight625.04

Details

C-5386BACK ORDER

Cholesterol Impurity 32

CAS #NA

Mol. formulaC₄₃H₇₄O₂

Mol. weight623.06

Details

C-5387BACK ORDER

Cholesterol Impurity 33

CAS #NA

Mol. formulaC₄₃H₇₄O₂

Mol. weight623.06

Details

C-5388BACK ORDER

Cholesterol Impurity 34

CAS #16711-66-3

Mol. formulaC₄₃H₇₄O₂

Mol. weight623.06

Details

C-5389IN STOCK

Cholesterol Impurity 35

CAS #56871-54-6

Mol. formulaC₂₈H₄₈O₂

Mol. weight416.69

Details

C-5394IN STOCK

Cholecalciferol EP Impurity B-d7 (3-beta-7-Dehydro Cholesterol-d7)

CAS #388622-58-0

Mol. formulaC₂₇H₃₇D₇O

Mol. weight391.69

Details

C-5396INQUIRE FURTHER

Cholesterol Impurity 37

CAS #NA

Mol. formulaC₂₃H₃₆O₃

Mol. weight360.54

Details

C-5397INQUIRE FURTHER

Cholesterol Impurity 38

CAS #NA

Mol. formulaC₂₂H₃₂O₃

Mol. weight344.50

Details

C-5399IN STOCK

Cholesterol Impurity 39

CAS #22799-20-8

Mol. formulaC₂₇H₄₂O₂

Mol. weight398.63

Details

C-551IN STOCK

Cotinine (Nicotine EP Impurity C, Nicotine USP Related Compound C)

CAS #486-56-6

Mol. formulaC₁₀H₁₂N₂O

Mol. weight176.22

Details

C-5515BACK ORDER

Cotinine Impurity 1

CAS #4192-31-8

Mol. formulaC9H9NO3

Mol. weight179.18

Details

C-5516BACK ORDER

Cotinine Impurity 2

CAS #713-05-3

Mol. formulaC10H12N2O2

Mol. weight192.22

Details

C-5517BACK ORDER

Cotinine Impurity 3

CAS #61192-49-2

Mol. formulaC9H10N2O2

Mol. weight178.19

Details

C-5519IN STOCK

Cotinine Impurity 4 Dicyclohexylamine Salt

CAS #1216491-66-5

Mol. formulaC₉H₁₁NO₃. C₁₂H₂₃N

Mol. weight181.19 181.32

Details

C-5522BACK ORDER

Cotinine Impurity 5-d7

CAS #NA

Mol. formulaC₁₀H₅D₇N₂O₃

Mol. weight215.26

Details

C-5523BACK ORDER

Cotinine Impurity 5

CAS #251465-27-7

Mol. formulaC₁₀H₁₂N₂O₃

Mol. weight208.22

Details

C-5524BACK ORDER

(R)-Cotinine ((R)-Nicotine EP Impurity C, (R)-Nicotine USP Related Compound C)

CAS #32162-64-4

Mol. formulaC₁₀H₁₂N₂O

Mol. weight176.22

Details

C-5525BACK ORDER

(3S,5S)-3-Hydroxy Cotinine

CAS #37096-14-3

Mol. formulaC₁₀H₁₂N₂O₂

Mol. weight 192.22

Details

C-5614IN STOCK

Clonixin Impurity 6

CAS #114501-03-0

Mol. formulaC₁₄H₁₄N₂O₂

Mol. weight242.28

Details

C-564IN STOCK

Clonixin Impurity 1

CAS #17782-05-7

Mol. formulaC₁₃H₁₂N₂O₂

Mol. weight228.25

Details

C-565IN STOCK

Clonixin Impurity 2

CAS #36752-40-6

Mol. formulaC₁₃H₁₁ClN₂O₂

Mol. weight262.69

Details

C-566IN STOCK

Clonixin Impurity 3

CAS #57841-61-9

Mol. formulaC₁₃H₁₀Cl₂N₂O

Mol. weight281.14

Details

C-567IN STOCK

Clonixin Impurity 4

CAS #72646-00-5

Mol. formulaC₁₃H₁₁ClN₂O₂

Mol. weight262.69

Details

C-569IN STOCK

Clonixin Impurity 5

CAS #1022-50-0

Mol. formulaC₁₃H₁₂N₂O₂

Mol. weight228.25

Details

C-57100IN STOCK

Cholic Acid Impurity 29

CAS #4185-01-7

Mol. formulaC₂₄H₃₈O₄

Mol. weight390.56

Details

C-57103INQUIRE FURTHER

Cholic Acid Impurity 30

CAS #NA

Mol. formulaC₂₄H₄₀O₄

Mol. weight392.58

Details

C-57108IN STOCK

Cholic Acid Impurity 32

CAS #15073-99-1

Mol. formulaC₂₆H₄₄O₅

Mol. weight436.63

Details

C-57109BACK ORDER

Cholic Acid Impurity 33

CAS #70779-05-4

Mol. formulaC₂₈H₄₇NO₅

Mol. weight477.69

Details

C-5711IN STOCK

Cholic Acid Impurity 18 (3-alpha-Hydroxy-7,12-diketo-5-beta-cholan-24-oic acid)

CAS #517-33-9

Mol. formulaC₂₄H₃₆O₅

Mol. weight404.55

Details

C-57110BACK ORDER

Cholic Acid Impurity 34

CAS #517904-33-5

Mol. formulaC₂₈H₄₇NO₆

Mol. weight493.69

Details

C-57119IN STOCK

Cholic Acid Impurity 12 (7-Ketodeoxy Cholic Acid)

CAS #911-40-0

Mol. formulaC₂₄H₃₈O₅

Mol. weight406.56

Details

C-57126BACK ORDER

Cholic Acid Impurity 36

CAS #2304-91-8

Mol. formulaC₂₄H₃₆O₅

Mol. weight404.55

Details

C-57127BACK ORDER

Cholic Acid Impurity 37

CAS #149884-29-7

Mol. formulaC₂₃H₃₂O₄

Mol. weight372.51

Details

C-57128BACK ORDER

Cholic Acid Impurity 38

CAS #NA

Mol. formulaC₂₁H₃₀O₃

Mol. weight330.47

Details

C-57129BACK ORDER

Cholic Acid Impurity 39

CAS #2024612-45-9

Mol. formulaC₂₁H₃₀O₃

Mol. weight330.47

Details

C-57130BACK ORDER

Cholic Acid Impurity 40

CAS #NA

Mol. formulaC₂₁H₃₂O₃

Mol. weight332.48

Details

C-57131BACK ORDER

Cholic Acid Impurity 41

CAS #571-49-3

Mol. formulaC₁₉H₂₈O₂

Mol. weight288.43

Details

C-57132BACK ORDER

Cholic Acid Impurity 42

CAS #1311972-85-6

Mol. formulaC₁₉H₂₈O₂

Mol. weight288.43

Details

C-57133BACK ORDER

Cholic Acid Impurity 43

CAS #1311972-89-0

Mol. formulaC₂₁H₃₂O

Mol. weight300.49

Details

C-57134BACK ORDER

Cholic Acid Impurity 44

CAS #NA

Mol. formulaC₂₉H₃₈O₂

Mol. weight418.62

Details

C-57135BACK ORDER

Cholic Acid Impurity 45

CAS #NA

Mol. formulaC₃₃H₄₄O₄

Mol. weight504.71

Details

C-57136BACK ORDER

Cholic Acid Impurity 46

CAS #NA

Mol. formulaC₃₃H₄₆O₄

Mol. weight506.73

Details

C-57137BACK ORDER

Cholic Acid Impurity 47

CAS #NA

Mol. formulaC₃₃H₄₄O₅

Mol. weight520.71

Details

C-57138BACK ORDER

Cholic Acid Impurity 48

CAS #15375-18-5

Mol. formulaC₁₉H₂₈O₂

Mol. weight288.43

Details

C-57139BACK ORDER

Cholic Acid Impurity 49

CAS #14043-47-1

Mol. formulaC₁₉H₂₈O₂

Mol. weight288.43

Details

C-5714IN STOCK

Cholic Acid Impurity 9

CAS #5130-29-0

Mol. formulaC₂₄H₃₈O₄

Mol. weight390.56

Details

C-57140BACK ORDER

Cholic Acid Impurity 50

CAS #NA

Mol. formulaC₂₁H₃₂O

Mol. weight300.49

Details

C-57141BACK ORDER

Cholic Acid Impurity 51

CAS #NA

Mol. formulaC₂₉H₃₈O₂

Mol. weight418.62

Details

C-57142BACK ORDER

Cholic Acid Impurity 52

CAS #NA

Mol. formulaC₃₃H₄₄O₄

Mol. weight504.71

Details

C-57143BACK ORDER

Cholic Acid Impurity 53

CAS #NA

Mol. formulaC₃₃H₄₆O₄

Mol. weight506.73

Details

C-57144BACK ORDER

Cholic Acid Impurity 54

CAS #NA

Mol. formulaC₃₃H₄₄O₅

Mol. weight520.71

Details

C-57145BACK ORDER

Cholic Acid Impurity 55

CAS #NA

Mol. formulaC₂₁H₃₂O

Mol. weight300.49

Details

C-57146BACK ORDER

Cholic Acid Impurity 56

CAS #1093397-66-0

Mol. formulaC₂₁H₃₂O

Mol. weight300.49

Details

C-57147BACK ORDER

Cholic Acid Impurity 57

CAS #NA

Mol. formulaC₂₉H₃₈O₂

Mol. weight418.62

Details

C-57148BACK ORDER

Cholic Acid Impurity 58

CAS #NA

Mol. formulaC₂₉H₃₈O₂

Mol. weight418.62

Details

C-57149BACK ORDER

Cholic Acid Impurity 59

CAS #NA

Mol. formulaC₃₃H₄₄O₄

Mol. weight504.71

Details

C-5715IN STOCK

Cholic Acid Impurity 106

CAS #108179-87-9

Mol. formulaC₂₄H₄₀O₅

Mol. weight408.58

Details

C-57150BACK ORDER

Cholic Acid Impurity 60

CAS #NA

Mol. formulaC₃₃H₄₄O₄

Mol. weight504.71

Details

C-57151BACK ORDER

Cholic Acid Impurity 61

CAS #NA

Mol. formulaC₃₃H₄₆O₄

Mol. weight506.73

Details

C-57152BACK ORDER

Cholic Acid Impurity 62

CAS #NA

Mol. formulaC₃₃H₄₄O₅

Mol. weight520.71

Details

C-57153BACK ORDER

Cholic Acid Impurity 63

CAS #10538-64-4

Mol. formulaC₂₅H₄₀O₅

Mol. weight420.59

Details

C-57154IN STOCK

Cholic Acid Impurity 64

CAS #10538-66-6

Mol. formulaC₂₅H₃₈O₅

Mol. weight418.57

Details

C-57155BACK ORDER

Cholic Acid Impurity 65

CAS #1093397-63-7

Mol. formulaC₁₉H₂₆O₂

Mol. weight286.42

Details

C-57156BACK ORDER

Cholic Acid Impurity 67

CAS #1093397-74-0

Mol. formulaC₂₇H₄₀O₄

Mol. weight428.61

Details

C-57157BACK ORDER

Cholic Acid Impurity 68

CAS #NA

Mol. formulaC₂₇H₄₀O₄

Mol. weight428.61

Details

C-57158BACK ORDER

Cholic Acid Impurity 69

CAS #30365-63-0

Mol. formulaC₂₇H₄₂O₄

Mol. weight430.63

Details

C-57159BACK ORDER

Cholic Acid Impurity 70

CAS #NA

Mol. formulaC₂₇H₄₂O₄

Mol. weight430.63

Details

C-5716IN STOCK

Cholic Acid Impurity 35 (3,7,22-Trihydroxyl-Cholanic Acid)

CAS #108266-90-6

Mol. formulaC₂₄H₄₀O₅

Mol. weight408.58

Details

C-57160BACK ORDER

Cholic Acid Impurity 71

CAS #NA

Mol. formulaC₂₇H₄₂O₄

Mol. weight430.63

Details

C-57161BACK ORDER

Cholic Acid Impurity 72

CAS #NA

Mol. formulaC₂₇H₄₂O₄

Mol. weight430.63

Details

C-57162BACK ORDER

Cholic Acid Impurity 73

CAS #5143-55-5

Mol. formulaC₂₇H₄₂O₅

Mol. weight446.63

Details

C-57163BACK ORDER

Cholic Acid Impurity 74

CAS #1311972-97-0

Mol. formulaC₂₇H₄₄O₅

Mol. weight448.64

Details

C-57164BACK ORDER

Cholic Acid Impurity 75

CAS #27240-83-1

Mol. formulaC₂₇H₄₄O₅

Mol. weight448.64

Details

C-57165BACK ORDER

Cholic Acid Impurity 77

CAS #882982-97-0

Mol. formulaC₁₉H₂₈O₂

Mol. weight288.43

Details

C-57166BACK ORDER

Cholic Acid Impurity 78

CAS #NA

Mol. formulaC₁₉H₂₈O₂

Mol. weight288.43

Details

C-57169BACK ORDER

Cholic Acid Impurity 79

CAS #2024612-46-0

Mol. formulaC₂₆H₃₂O₃

Mol. weight392.54

Details

Can’t find what you are looking for?

Custom synthesis is our core capability. Send us the structure or CAS number and we’ll respond with feasibility, lead time and pricing.

Request custom synthesis