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 27801–27900 of 45668 standards · Impurities

N-121IN STOCK

Norgestimate EP Impurity C and Norgestimate EP Impurity D (17-Desacetyl Norgestimate, Norelgestromin)

CAS #53016-31-2

Mol. formulaC₂₁H₂₉NO₂

Mol. weight327.47

Details

N-1213IN STOCK

Norgestimate EP Impurity A (Norgestimate USP Related Compound A)

CAS #13732-69-9

Mol. formulaC₂₃H₃₀O₃

Mol. weight354.49

Details

N-1215IN STOCK

Norgestimate EP Impurity A (Norgestimate USP Related Compound A) (Mixture of Enantiomers)

CAS #18290-31-8

Mol. formulaC₂₃H₃₀O₃

Mol. weight354.49

Details

N-122002IN STOCK

Nortropine Impurity 1

CAS #30833-12-6

Mol. formulaC₁₀H₁₇NO₃

Mol. weight199.25

Details

N-122003BACK ORDER

Nortropine Impurity 2

CAS #501-33-7

Mol. formulaC7H13NO

Mol. weight127.19

Details

N-123002BACK ORDER

Niflumic Acid EP Impurity F

CAS #59361-45-4

Mol. formulaC14H11F3N2O2

Mol. weight296.25

Details

N-123004BACK ORDER

Niflumic Acid EP Impurity B

CAS #72633-64-8

Mol. formulaC₁₃H₉F₃N₂O₂

Mol. weight282.22

Details

N-123005BACK ORDER

Niflumic Acid EP Impurity C

CAS #98-16-8

Mol. formulaC₇H₆F₃N

Mol. weight161.13

Details

N-123006BACK ORDER

Niflumic Acid EP Impurity E

CAS #15871-46-2

Mol. formulaC₁₃H₉F₃N₂O₂

Mol. weight282.22

Details

N-124003IN STOCK

Nicoboxil Impurity 1

CAS #78706-59-9

Mol. formulaC₁₄H₃₀O₄

Mol. weight262.39

Details

N-124004BACK ORDER

Nicoboxil Impurity 2

CAS #NA

Mol. formulaC₁₂H₁₇NO₃

Mol. weight223.27

Details

N-126IN STOCK

Norgestimate EP Impurity C-d7 and Norgestimate EP Impurity D-d7 (17-Desacetyl Norgestimate-d7, Norelgestromin-d7)

CAS #NA

Mol. formulaC₂₁H₂₂D₇NO₂

Mol. weight334.51

Details

N-127002BACK ORDER

Nifursol Impurity 1

CAS #851368-01-9

Mol. formulaC₁₄H₉N₅O₈

Mol. weight375.25

Details

N-127007BACK ORDER

Nifursol Impurity 1-13C6

CAS #2841997-57-5

Mol. formulaC₈¹³C₆H₉N₅O₈

Mol. weight381.21

Details

N-128005BACK ORDER

Nitenpyram Impurity 1

CAS #2514962-80-0

Mol. formula C₁₄H₁₅Cl₂N₃

Mol. weight296.20

Details

N-128006BACK ORDER

Nitenpyram Impurity 2

CAS #120739-77-7

Mol. formulaC₈H₁₁ClN₂

Mol. weight170.64

Details

N-132005IN STOCK

Novaluron Impurity 1

CAS #116714-47-7

Mol. formulaC₉H₆ClF₆NO₂

Mol. weight309.59

Details

N-133009BACK ORDER

Nicotinamide Impurity 1 (3-Cyanopyridine N-oxide)

CAS #14906-64-0

Mol. formulaC₆H₄N₂O

Mol. weight120.11

Details

N-133012IN STOCK

Isonicotinamide Impurity 1

CAS #4329-75-3

Mol. formulaC₁₂H₁₀N₄O₂

Mol. weight242.24

Details

N-133017IN STOCK

Nicotinamide EP Impurity E (Nicotinamide N-Oxide)

CAS #1986-81-8

Mol. formulaC₆H₆N₂O₂

Mol. weight138.13

Details

N-133028BACK ORDER

Nicotinamide Impurity 2

CAS #7606-13-5

Mol. formulaC₁₀H₁₄N₂O

Mol. weight178.24

Details

N-135004IN STOCK

Nafamostat Impurity 1 DiHCl

CAS #NA

Mol. formulaC₁₉H₁₇N₅O₂. 2 HCl

Mol. weight347.38 2*36.46

Details

N-135005BACK ORDER

Nafamostat Impurity 2

CAS #NA

Mol. formulaC₁₉H₁₆N₄O₃

Mol. weight348.36

Details

N-135006BACK ORDER

Nafamostat Impurity 3

CAS #NA

Mol. formulaC₁₉H₁₅N₃O₄

Mol. weight349.35

Details

N-135007BACK ORDER

Nafamostat Impurity 4

CAS #NA

Mol. formulaC₁₉H₁₆N₄O₃

Mol. weight348.36

Details

N-135008BACK ORDER

Nafamostat Impurity 5

CAS #1416322-37-6

Mol. formulaC₁₂H₆N₂O

Mol. weight194.19

Details

N-135009BACK ORDER

Nafamostat Impurity 6

CAS #52805-47-7

Mol. formulaC₁₁H₇NO

Mol. weight169.18

Details

N-135010BACK ORDER

Nafamostat Impurity 7

CAS #6306-25-8

Mol. formulaC₈H₈N₂O₃

Mol. weight180.16

Details

N-135011BACK ORDER

Nafamostat Impurity 8 HCl

CAS #NA

Mol. formulaC₁₃H₁₃NO₂. HCl

Mol. weight215.25 36.46

Details

N-135012BACK ORDER

Nafamostat Impurity 9

CAS #62529-01-5

Mol. formulaC₁₁H₉NO₂

Mol. weight187.20

Details

N-135013BACK ORDER

Nafamostat Impurity 10

CAS #1235974-42-1

Mol. formulaC₁₁H₅Br₂NO

Mol. weight326.98

Details

N-135014BACK ORDER

Nafamostat Impurity 11

CAS #1192026-58-6

Mol. formulaC₁₁H₆BrNO

Mol. weight248.08

Details

N-135015BACK ORDER

Nafamostat Impurity 12

CAS #NA

Mol. formulaC₂₇H₂₄N₈O₃

Mol. weight508.54

Details

N-135016BACK ORDER

Nafamostat Impurity 13

CAS #NA

Mol. formulaC₂₇H₂₃N₇O₄

Mol. weight509.53

Details

N-135017BACK ORDER

Nafamostat Impurity 14

CAS #NA

Mol. formulaC₂₆H₂₂N₆O₃

Mol. weight466.50

Details

N-135018IN STOCK

Nafamostat Impurity 15

CAS #619-68-1

Mol. formulaC₇H₅NO₃

Mol. weight151.12

Details

N-135019IN STOCK

Nafamostat Impurity 16

CAS #115325-88-7

Mol. formulaC₁₄H₁₀N₂O₅

Mol. weight286.24

Details

N-135020BACK ORDER

Nafamostat Impurity 17

CAS #2491698-53-2

Mol. formulaC₁₆H₁₆N₆O₃

Mol. weight340.34

Details

N-135021BACK ORDER

Nafamostat Impurity 18

CAS #107490-62-0

Mol. formulaC₂₀H₁₉N₇O₂

Mol. weight389.42

Details

N-135022BACK ORDER

Nafamostat Impurity 19

CAS #NA

Mol. formulaC₁₉H₁₄N₄O₂

Mol. weight330.35

Details

N-135023BACK ORDER

Nafamostat Impurity 20

CAS #NA

Mol. formulaC₂₀H₁₈N₄O₃

Mol. weight362.39

Details

N-135024BACK ORDER

Nafamostat Impurity 21

CAS #NA

Mol. formulaC₂₀H₁₈N₆O₃

Mol. weight 390.40

Details

N-135030INQUIRE FURTHER

Nafamostat Impurity 22

CAS #NA

Mol. formulaC₁₉H₁₇N₅O₂

Mol. weight347.38

Details

N-135031BACK ORDER

Nafamostat Impurity 23 DiHCl

CAS #NA

Mol. formulaC₂₆H₂₂N₆O₃. 2HCl

Mol. weight466.50 2*36.46

Details

N-137010BACK ORDER

Neticonazole Impurity 1

CAS #NA

Mol. formulaC₁₂H₁₂N₂S

Mol. weight216.30

Details

N-137011BACK ORDER

Neticonazole Impurity 2

CAS #NA

Mol. formulaC₁₂H₁₂N₂OS

Mol. weight232.30

Details

N-137012BACK ORDER

Neticonazole Impurity 3

CAS #NA

Mol. formulaC₁₂H₁₂N₂OS

Mol. weight232.30

Details

N-137016BACK ORDER

Neticonazole Impurity 4

CAS #56986-82-4

Mol. formulaC₉H₁₀O₂S

Mol. weight182.24

Details

N-138001IN STOCK

Nitrazepam Impurity 1

CAS #20821-91-4

Mol. formulaC₁₅H₁₁ClN₂O₄

Mol. weight318.71

Details

N-138002IN STOCK

Nitrazepam EP Impurity A

CAS #36020-93-6

Mol. formulaC₁₅H₁₁N₃O₃

Mol. weight281.27

Details

N-141002IN STOCK

Netarsudil Impurity 1

CAS #2097334-16-0

Mol. formulaC₁₈H₁₈O₄

Mol. weight298.34

Details

N-141003BACK ORDER

Netarsudil Impurity 2

CAS #2097334-21-7

Mol. formulaC₂₈H₂₇NO₅

Mol. weight457.53

Details

N-141004BACK ORDER

Netarsudil Impurity 3

CAS #2097334-22-8

Mol. formulaC₃₄H₃₈N₂O₇

Mol. weight586.69

Details

N-141005BACK ORDER

Netarsudil Impurity 4

CAS #2098444-97-2

Mol. formulaC₂₄H₂₉NO₆

Mol. weight427.50

Details

N-141006BACK ORDER

Netarsudil Impurity 5

CAS #1253955-20-2

Mol. formulaC₃₃H₃₅N₃O₅

Mol. weight553.66

Details

N-141008BACK ORDER

Netarsudil Impurity 7

CAS #2250308-75-7

Mol. formulaC₃₄H₃₈N₂O₇

Mol. weight586.69

Details

N-141010BACK ORDER

Netarsudil Impurity 8

CAS #1253955-19-9

Mol. formulaC₃₃H₃₅N₃O₅

Mol. weight553.66

Details

N-141011IN STOCK

Netarsudil Impurity 9

CAS #611-01-8

Mol. formulaC₉H₁₀O₂

Mol. weight150.18

Details

N-141012BACK ORDER

Netarsudil Impurity 10

CAS #2309668-15-1

Mol. formulaC₁₉H₁₉N₃O₂

Mol. weight321.38

Details

N-141013IN STOCK

Netarsudil Impurity 11 HCl

CAS #NA

Mol. formulaC₁₀H₁₃NO₂. HCl

Mol. weight179.22 36.46

Details

N-141014IN STOCK

Netarsudil Impurity 12

CAS #23687-26-5

Mol. formulaC₉H₈N₂

Mol. weight144.18

Details

N-141015IN STOCK

Netarsudil Impurity 13

CAS #2377238-62-3

Mol. formulaC₁₉H₁₉N₃O₂

Mol. weight321.38

Details

N-141016IN STOCK

ent-Netarsudil Impurity 11 HCl

CAS #2565792-57-4

Mol. formulaC₁₀H₁₃NO₂. HCl

Mol. weight179.22 36.46

Details

N-141017IN STOCK

rac-Netarsudil Impurity 10

CAS #1254032-16-0

Mol. formulaC₁₉H₁₉N₃O₂

Mol. weight321.38

Details

N-141018BACK ORDER

Netarsudil Impurity 14

CAS #2684301-49-1

Mol. formulaC₁₉H₂₁NO₄

Mol. weight327.38

Details

N-141019BACK ORDER

Netarsudil Impurity 15

CAS #NA

Mol. formulaC₁₈H₁₉NO₃

Mol. weight 297.35

Details

N-141020BACK ORDER

Netarsudil Impurity 16

CAS #NA

Mol. formula C₁₉H₂₃NO₃

Mol. weight313.40

Details

N-141021BACK ORDER

Netarsudil Impurity 17

CAS #NA

Mol. formulaC₁₉H₁₇N₃O

Mol. weight303.37

Details

N-141023BACK ORDER

ent-Netarsudil Impurity 14 Mesylate

CAS #NA

Mol. formulaC₁₉H₂₁NO₄. CH₄O₃S

Mol. weight327.38

Details

N-142IN STOCK

Nifuroxazide EP Impurity D

CAS #112537-96-9

Mol. formulaC₁₀H₆N₄O₆

Mol. weight278.18

Details

N-143IN STOCK

Nifuroxazide EP Impurity E

CAS #NA

Mol. formulaC₁₂H₉N₃O₅

Mol. weight275.22

Details

N-145IN STOCK

Nifuroxazide Impurity 1

CAS #39115-96-3

Mol. formulaC₇H₇BrN₂O

Mol. weight215.05

Details

N-146IN STOCK

Nifuroxazide EP Impurity A (p-Hydroxybenzohydrazide)

CAS #5351-23-5

Mol. formulaC₇H₈N₂O₂

Mol. weight152.15

Details

N-148003IN STOCK

Nirmatrelvir Impurity 1 HCl

CAS #2628280-48-6

Mol. formulaC₇H₁₃N₃O₂. HCl

Mol. weight171.20 36.46

Details

N-148004IN STOCK

Nirmatrelvir Impurity 2

CAS #328086-60-8

Mol. formulaC₁₃H₂₂N₂O₅

Mol. weight286.33

Details

N-148005BACK ORDER

Nirmatrelvir Impurity 3

CAS #741267-75-4

Mol. formulaC₁₂H₂₀N₂O₅

Mol. weight272.30

Details

N-148006INQUIRE FURTHER

Nirmatrelvir Impurity 4

CAS #NA

Mol. formulaC₁₃H₂₀N₂O₅

Mol. weight284.31

Details

N-148007IN STOCK

Nirmatrelvir Impurity 5

CAS #2755812-45-2

Mol. formulaC₁₆H₂₃F₃N₂O₄

Mol. weight364.37

Details

N-148008BACK ORDER

Nirmatrelvir Impurity 6

CAS #NA

Mol. formulaC₁₆H₂₃F₃N₂O₄

Mol. weight364.37

Details

N-148009BACK ORDER

Nirmatrelvir Impurity 7

CAS #NA

Mol. formulaC₁₆H₂₃F₃N₂O₄

Mol. weight364.37

Details

N-148010BACK ORDER

Nirmatrelvir Impurity 8

CAS #NA

Mol. formulaC₁₆H₂₃F₃N₂O₄

Mol. weight364.37

Details

N-148011BACK ORDER

Nirmatrelvir Impurity 9

CAS #NA

Mol. formulaC₁₆H₂₃F₃N₂O₄

Mol. weight364.37

Details

N-148012BACK ORDER

Nirmatrelvir Impurity 10

CAS #NA

Mol. formulaC₁₆H₂₃F₃N₂O₄

Mol. weight364.37

Details

N-148013BACK ORDER

Nirmatrelvir Impurity 11

CAS #NA

Mol. formulaC₁₆H₂₃F₃N₂O₄

Mol. weight364.37

Details

N-148014BACK ORDER

Nirmatrelvir Impurity 12

CAS #NA

Mol. formulaC₁₆H₂₃F₃N₂O₄

Mol. weight364.37

Details

N-148015BACK ORDER

Nirmatrelvir Impurity 13 (PF-07331782)

CAS #NA

Mol. formulaC₂₁H₃₃N₅O₃

Mol. weight403.53

Details

N-148016IN STOCK

Nirmatrelvir Impurity 14 (Mixture of Isomers)

CAS #2755812-81-6

Mol. formulaC₂₃H₃₄F₃N₅O₅

Mol. weight517.55

Details

N-148017BACK ORDER

Nirmatrelvir Impurity 15

CAS #2755812-41-8

Mol. formulaC₂₃H₃₂F₃N₅O₄

Mol. weight499.54

Details

N-148018IN STOCK

Nirmatrelvir Impurity 16

CAS #3057189-15-5

Mol. formulaC₂₃H₃₃F₃N₄O₆

Mol. weight518.53

Details

N-148019BACK ORDER

Nirmatrelvir Impurity 17

CAS #NA

Mol. formulaC₂₃H₃₃ClF₃N₅O₄

Mol. weight535.99

Details

N-148020IN STOCK

Nirmatrelvir Impurity 18 HCl

CAS #3046390-26-2

Mol. formulaC₁₀H₁₈N₂O₃. HCl

Mol. weight214.27 36.46

Details

N-148021IN STOCK

Nirmatrelvir Impurity 19

CAS #NA

Mol. formulaC₂₆H₃₉F₃N₄O₆

Mol. weight560.62

Details

N-148022BACK ORDER

Nirmatrelvir Impurity 20

CAS #2742706-72-3

Mol. formulaC₇H₁₁N₃O

Mol. weight153.19

Details

N-148023BACK ORDER

Nirmatrelvir Impurity 21

CAS #NA

Mol. formulaC₂₃H₃₂F₃N₅O₄

Mol. weight499.54

Details

N-148024BACK ORDER

Nirmatrelvir Impurity 22

CAS #NA

Mol. formulaC₇H₁₄ClN₃O₂

Mol. weight207.66

Details

N-148025BACK ORDER

Nirmatrelvir Impurity 23 HCl

CAS #1373205-30-1

Mol. formulaC₈H₁₃NO₂. HCl

Mol. weight155.20 36.46

Details

N-148026BACK ORDER

Nirmatrelvir Impurity 24

CAS #NA

Mol. formulaC₂₃H₃₂F₃N₅O₄

Mol. weight499.54

Details

N-148028BACK ORDER

Nirmatrelvir Impurity 25

CAS #NA

Mol. formulaC₁₆H₂₂F₃N₃O₂

Mol. weight345.37

Details

N-148029BACK ORDER

Nirmatrelvir Impurity 26

CAS #NA

Mol. formulaC₂₄H₃₅F₃N₄O₆

Mol. weight532.56

Details

N-148030BACK ORDER

Nirmatrelvir Impurity 27

CAS #NA

Mol. formulaC₂₆H₃₉F₃N₄O₆

Mol. weight560.62

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