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 1–100 of 2272 standards · Impurities

M-0110IN STOCK

Mefenamic Acid EP Impurity D (Glycopyrronium Bromide EP Impurity D, Benzoic Acid)

CAS #65-85-0

Mol. formulaC₇H₆O₂

Mol. weight122.12

Details

M-0111BACK ORDER

Mefenamic Acid Impurity 1

CAS #83-41-0

Mol. formulaC₈H₉NO₂

Mol. weight151.17

Details

M-0112BACK ORDER

Mefenamic Acid Impurity 2

CAS #NA

Mol. formulaC₁₆H₁₉N₃

Mol. weight253.35

Details

M-0113BACK ORDER

Mefenamic Acid Impurity 3

CAS #53877-42-2

Mol. formulaC₁₆H₁₉N₃

Mol. weight253.35

Details

M-0114BACK ORDER

Mefenamic Acid Impurity 4

CAS #NA

Mol. formulaC₁₆H₁₉N₃

Mol. weight253.35

Details

M-0115BACK ORDER

Mefenamic Acid Impurity 5

CAS #NA

Mol. formulaC₁₃H₈Cl₂O₂

Mol. weight267.11

Details

M-0116BACK ORDER

Mefenamic Acid Impurity 6

CAS #NA

Mol. formulaC₁₃H₈Cl₂O₂

Mol. weight267.11

Details

M-0117BACK ORDER

Mefenamic Acid Impurity 7

CAS #NA

Mol. formulaC₁₃H₈Cl₂O₂

Mol. weight267.11

Details

M-0118BACK ORDER

Mefenamic Acid Impurity 8

CAS #NA

Mol. formulaC₁₄H₉ClO₄

Mol. weight276.67

Details

M-0119BACK ORDER

Mefenamic Acid Impurity 9

CAS #NA

Mol. formulaC₁₃H₈Cl₂O₂

Mol. weight267.105

Details

M-0122BACK ORDER

Mefenamic Acid Impurity 10

CAS #196617-88-6

Mol. formulaC₁₅H₁₄ClNO

Mol. weight259.73

Details

M-0128BACK ORDER

Mefenamic Acid Impurity 11

CAS #5129-20-4

Mol. formulaC₁₅H₁₅NO₃

Mol. weight257.29

Details

M-016IN STOCK

Mefenamic Acid EP Impurity B

CAS #21122-68-9

Mol. formulaC₂₃H₂₄N₂O

Mol. weight344.46

Details

M-017IN STOCK

Mefenamic Acid EP Impurity E

CAS #4869-11-8

Mol. formulaC₁₄H₁₅N

Mol. weight197.28

Details

M-018BACK ORDER

Mefenamic Acid Impurity A

CAS #NA

Mol. formulaC₈H₁₁N

Mol. weight121.18

Details

M-0210IN STOCK

Meloxicam Impurity 5 (CDBC98SE)

CAS #632-25-7

Mol. formulaC₇H₆O₅S

Mol. weight202.18

Details

M-0211IN STOCK

Meloxicam Impurity 4 (CDBC96SE)

CAS #125372-22-7

Mol. formulaC₈H₉NO₄S

Mol. weight215.22

Details

M-0213INQUIRE FURTHER

Meloxicam Impurity 3

CAS #NA

Mol. formulaC₁₅H₁₅N₃O₄S₂

Mol. weight365.43

Details

M-0216IN STOCK

Meloxicam EP Impurity B (Meloxicam USP Related Compound B)

CAS #7305-71-7

Mol. formulaC₄H₆N₂S

Mol. weight114.17

Details

M-0217IN STOCK

Meloxicam EP Impurity C

CAS #1262333-25-4

Mol. formulaC₁₅H₁₅N₃O₄S₂

Mol. weight365.42

Details

M-0218IN STOCK

Meloxicam EP Impurity D

CAS #NA

Mol. formulaC₁₆H₁₇N₃O₄S₂

Mol. weight379.45

Details

M-0221IN STOCK

Meloxicam Impurity 6

CAS #13165-80-5

Mol. formulaC₇H₆O₄S

Mol. weight186.18

Details

M-0222BACK ORDER

Meloxicam Impurity 7

CAS #52188-11-1

Mol. formulaC₉H₇NO₅S

Mol. weight241.22

Details

M-0223BACK ORDER

Meloxicam Impurity 8

CAS #NA

Mol. formulaC₁₄H₁₅NO₇S

Mol. weight341.33

Details

M-0224IN STOCK

Meloxicam Impurity 9

CAS #73732-22-6

Mol. formulaC₈H₈O₅S

Mol. weight216.21

Details

M-0225IN STOCK

Meloxicam Impurity 10

CAS #57897-77-5

Mol. formulaC₈H₈O₅S

Mol. weight216.21

Details

M-0226BACK ORDER

Meloxicam Impurity 11

CAS #1865298-74-3

Mol. formulaC₆H₈N₂O₂S

Mol. weight172.20

Details

M-0227INQUIRE FURTHER

Meloxicam Impurity 12

CAS #NA

Mol. formulaC₆H₆N₂O₃S

Mol. weight186.19

Details

M-0228BACK ORDER

Meloxicam Impurity 13

CAS #NA

Mol. formulaC₆H₆N₂O₂S

Mol. weight170.19

Details

M-0230IN STOCK

Meloxicam Impurity 14

CAS #82514-69-0

Mol. formulaC₆H₆N₂O₃S

Mol. weight186.19

Details

M-0231IN STOCK

Meloxicam Impurity 15

CAS #82514-60-1

Mol. formulaC₈H₁₀N₂O₃S

Mol. weight214.24

Details

M-0232IN STOCK

Meloxicam Impurity 16

CAS #1864184-33-7

Mol. formulaC₇H₉N₃O₂S

Mol. weight199.23

Details

M-0233IN STOCK

Meloxicam Impurity 17

CAS #1566160-20-0

Mol. formulaC₇H₈N₂O₃S

Mol. weight200.21

Details

M-025IN STOCK

Meloxicam EP Impurity A (Piroxicam EP Impurity K, Meloxicam USP Related Compound A)

CAS #24683-26-9

Mol. formulaC₁₂H₁₃NO₅S

Mol. weight283.30

Details

M-026IN STOCK

Meloxicam Impurity 1 HCl

CAS #929568-25-2

Mol. formulaC₄H₆N₂O. HCl

Mol. weight98.11 36.46

Details

M-029BACK ORDER

Meloxicam Impurity 2

CAS #NA

Mol. formulaC₁₆H₁₇N₃O₄S₂

Mol. weight379.46

Details

M-0510BACK ORDER

Metaxalone Impurity 4

CAS #2451-62-9

Mol. formulaC₁₂H₁₅N₃O₆

Mol. weight297.27

Details

M-0511IN STOCK

Metaxalone Impurity 5

CAS #2512209-00-4

Mol. formulaC₃₆H₄₅N₃O₉

Mol. weight663.77

Details

M-053IN STOCK

Metaxalone Impurity A (3-(3, 5-Dimethylphenoxyl)-Propane-1, 2-Diol)

CAS #59365-66-1

Mol. formulaC11H16O3

Mol. weight196.25

Details

M-057IN STOCK

Metaxalone Impurity 1 (Mixture of Diastereomers)

CAS #1392430-16-8

Mol. formulaC₂₀H₂₅N₃O₇

Mol. weight419.43

Details

M-058IN STOCK

Metaxalone Impurity 2

CAS #1392430-17-9

Mol. formulaC₂₈H₃₅N₃O₈

Mol. weight541.60

Details

M-059IN STOCK

Metaxalone Impurity 3

CAS #4287-30-3

Mol. formulaC₁₁H₁₄O₂

Mol. weight178.23

Details

M-073BACK ORDER

Methoxsalen Impurity 1

CAS #68123-30-8

Mol. formulaC11H8O4

Mol. weight204.19

Details

M-0810IN STOCK

Metoprolol EP Impurity B

CAS #56718-71-9

Mol. formulaC₉H₁₂O₂

Mol. weight152.19

Details

M-0811IN STOCK

Metoprolol EP Impurity F

CAS #7695-63-8

Mol. formulaC₁₂H₁₉NO₂

Mol. weight209.29

Details

M-0812IN STOCK

Metoprolol EP Impurity H (Betaxolol EP Impurity B)

CAS #62572-94-5

Mol. formulaC₁₄H₂₃NO₃

Mol. weight253.34

Details

M-0813IN STOCK

Metoprolol Impurity I

CAS #933468-54-3

Mol. formulaC₁₄H₂₁NO₂

Mol. weight235.33

Details

M-0815IN STOCK

Metoprolol EP Impurity M DiHCl

CAS #73313-36-7

Mol. formulaC₉H₂₂N₂O. 2 HCl

Mol. weight174.29 2*36.46

Details

M-0816IN STOCK

Metoprolol EP Impurity N

CAS #6452-57-9

Mol. formulaC₆H₁₅NO₂

Mol. weight133.19

Details

M-0818IN STOCK

Metoprolol Impurity 11

CAS #NA

Mol. formulaC₁₄H₂₁NO₄

Mol. weight267.33

Details

M-0819IN STOCK

Metoprolol Impurity 1 HCl

CAS #83281-59-8

Mol. formulaC₁₅H₂₃NO₄. HCl

Mol. weight281.35 36.46

Details

M-0820IN STOCK

Metoprolol Impurity 2 (Mixture of Z and E Isomers)

CAS #82961-02-2

Mol. formulaC15H23NO3

Mol. weight265.36

Details

M-0821IN STOCK

Metoprolol EP Impurity M

CAS #343785-33-1

Mol. formulaC₉H₂₂N₂O

Mol. weight174.29

Details

M-0822BACK ORDER

Metoprolol Impurity 3

CAS #84697-14-3

Mol. formulaC₁₃H₂₀O₂

Mol. weight208.30

Details

M-0823BACK ORDER

Metoprolol Impurity 4

CAS #123195-72-2

Mol. formulaC12H18O2

Mol. weight194.28

Details

M-0824IN STOCK

Metoprolol Dimer

CAS #230975-30-1

Mol. formulaC₂₁H₂₈O₅

Mol. weight360.45

Details

M-0825BACK ORDER

Metoprolol Impurity 6

CAS #NA

Mol. formulaC₁₆H₂₃NO₅

Mol. weight309.36

Details

M-0826IN STOCK

Metoprolol Impurity 7

CAS #56718-70-8

Mol. formulaC₁₂H₁₆O₃

Mol. weight208.26

Details

M-0828IN STOCK

Metoprolol Impurity 12

CAS #32846-01-8

Mol. formulaC₉H₁₂O₂

Mol. weight152.19

Details

M-0830IN STOCK

Metoprolol EP Impurity O (Metoprolol USP Related Compound D (Free Form)) (Mixture of Diastereomers)

CAS #154784-36-8

Mol. formulaC₂₇H₄₁NO₆

Mol. weight475.63

Details

M-0831BACK ORDER

Metoprolol Impurity 8

CAS #NA

Mol. formulaC₂₇H₄₅NO₁₃

Mol. weight591.65

Details

M-0832IN STOCK

Metoprolol Impurity 9

CAS #1155083-53-6

Mol. formulaC₁₂H₁₆O₃

Mol. weight208.26

Details

M-0835BACK ORDER

Metoprolol Impurity 10

CAS #73723-85-0

Mol. formulaC₁₅H₂₃NO₄

Mol. weight281.35

Details

M-0838IN STOCK

N-Nitroso Metoprolol EP Impurity A (N-Nitroso Metoprolol USP Related Compound A)

CAS #3112735-64-2

Mol. formulaC₁₄H₂₂N₂O₄

Mol. weight282.34

Details

M-0841IN STOCK

Metoprolol Impurity 13

CAS #NA

Mol. formulaC₁₂H₂₈N₂O₃

Mol. weight248.37

Details

M-0842BACK ORDER

Metoprolol Impurity 14

CAS #702-23-8

Mol. formulaC₉H₁₂O₂

Mol. weight152.19

Details

M-0843BACK ORDER

Metoprolol Impurity 15

CAS #104857-48-9

Mol. formulaC₁₁H₁₄O₃

Mol. weight194.23

Details

M-0844BACK ORDER

N-Nitroso Metoprolol EP Impurity M

CAS #NA

Mol. formulaC₉H₂₁N₃O₂

Mol. weight203.29

Details

M-0845BACK ORDER

N,N-Dinitroso Metoprolol EP Impurity M

CAS #NA

Mol. formulaC₉H₂₀N₄O₃

Mol. weight232.28

Details

M-085IN STOCK

Metoprolol EP Impurity J

CAS #163685-37-8

Mol. formulaC₁₈H₃₁NO₅

Mol. weight341.45

Details

M-0851IN STOCK

N-Hydroxy Metoprolol

CAS #1808181-95-4

Mol. formulaC₁₅H₂₅NO₄

Mol. weight283.37

Details

M-086IN STOCK

Metoprolol EP Impurity A (Metoprolol USP Related Compound A)

CAS #109632-08-8

Mol. formulaC₁₄H₂₃NO₃

Mol. weight253.34

Details

M-086003IN STOCK

Maprotiline EP Impurity C HCl (N-Desmethyl Maprotiline HCl)

CAS #92202-51-2

Mol. formulaC₁₉H₂₁N. HCl

Mol. weight263.38 36.46

Details

M-086004IN STOCK

Maprotiline Impurity E (N-Methyl Maprotiline)

CAS #23941-38-0

Mol. formulaC21H25N

Mol. weight291.44

Details

M-086005IN STOCK

Maprotiline Impurity B HCl

CAS #N/A

Mol. formulaC39H41N. HCl

Mol. weight523.77 36.46

Details

M-086007BACK ORDER

Maprotiline EP Impurity C-d4 HCl (N-Desmethyl Maprotiline-d4 HCl)

CAS #NA

Mol. formulaC₁₉H₁₇D₄N. HCl

Mol. weight267.41 36.46

Details

M-087IN STOCK

Metoprolol EP Impurity E

CAS #163685-38-9

Mol. formulaC₁₅H₂₅NO₃

Mol. weight267.37

Details

M-087001BACK ORDER

Macamide Impurity 1

CAS #NA

Mol. formulaC23H39NO

Mol. weight345.57

Details

M-087002BACK ORDER

Macamide Impurity 2

CAS #NA

Mol. formulaC25H41NO

Mol. weight371.61

Details

M-087003BACK ORDER

Macamide Impurity 3

CAS #NA

Mol. formulaC25H39NO

Mol. weight369.60

Details

M-087005BACK ORDER

Macamide Impurity 5

CAS #NA

Mol. formulaC24H41NO2

Mol. weight375.60

Details

M-087009BACK ORDER

Macamide Impurity 9

CAS #883715-21-7

Mol. formulaC₂₆H₄₃NO₂

Mol. weight401.64

Details

M-087010BACK ORDER

Macamide Impurity 10

CAS #883715-22-8

Mol. formulaC26H41NO2

Mol. weight399.62

Details

M-087011IN STOCK

Macamide Impurity 11 (N-Benzyl-5-Oxo-6E,8E-Octadecadienamide)

CAS #405906-95-8

Mol. formulaC25H37NO2

Mol. weight383.58

Details

M-087012BACK ORDER

Macamide Impurity 12

CAS #NA

Mol. formulaC25H37NO

Mol. weight367.58

Details

M-087013BACK ORDER

Macamide Impurity 13

CAS #883715-19-3

Mol. formulaC24H41NO

Mol. weight359.60

Details

M-087014BACK ORDER

Macamide Impurity 14

CAS #883715-23-9

Mol. formulaC₂₆H₃₉NO₂

Mol. weight397.60

Details

M-088IN STOCK

Metoprolol EP Impurity D (Metoprolol USP Related Compound E)

CAS #62572-90-1

Mol. formulaC₁₂H₁₈O₄

Mol. weight226.27

Details

M-088001IN STOCK

Mitoxantrone EP Impurity B

CAS #80189-44-2

Mol. formulaC₂₂H₂₈N₄O₅

Mol. weight428.49

Details

M-088002IN STOCK

Mitoxantrone EP Impurity C Ditrifluoroacetate

CAS #NA

Mol. formulaC₂₂H₂₇ClN₄O₆. 2 C₂HF₃O₂

Mol. weight478.93 2*114.02

Details

M-088003BACK ORDER

Mitoxantrone EP Impurity A

CAS #89991-52-6

Mol. formulaC18H19N3O5

Mol. weight357.37

Details

M-088004IN STOCK

Mitoxantrone EP Impurity D HCl

CAS #261164-09-4

Mol. formulaC₂₂H₂₆N₄O₆. HCl

Mol. weight442.47 36.46

Details

M-088007BACK ORDER

Mitoxantrone Impurity 1

CAS #1160572-37-1

Mol. formulaC30H48N8O6

Mol. weight616.76

Details

M-088008BACK ORDER

Mitoxantrone Impurity 2

CAS #105580-99-2

Mol. formulaC26H38N6O6

Mol. weight530.63

Details

M-088009BACK ORDER

Mitoxantrone Impurity 3

CAS #81-59-4

Mol. formulaC₁₄H₁₀O₆

Mol. weight274.23

Details

M-088010BACK ORDER

Mitoxantrone Impurity 4

CAS #NA

Mol. formulaC₂₂H₂₈N₄O₃

Mol. weight396.49

Details

M-088011IN STOCK

Mitoxantrone Impurity 5

CAS #70476-74-3

Mol. formulaC₂₂H₃₀N₄O₆

Mol. weight 446.50

Details

M-088012INQUIRE FURTHER

Mitoxantrone Impurity 6

CAS #NA

Mol. formulaC₂₀H₂₆N₆O₆

Mol. weight446.46

Details

M-088015BACK ORDER

Mitoxantrone Impurity 7

CAS #145-49-3

Mol. formulaC₁₄H₁₀N₂O₄

Mol. weight270.24

Details

M-088016BACK ORDER

Mitoxantrone Impurity 8

CAS #6374-78-3

Mol. formulaC₁₄H₉NO₅

Mol. weight271.23

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