TLC Pharmaceutical Standards — products catalogue

Category index

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

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Showing 24101–24200 of 45672 standards · Impurities

L-2125BACK ORDER

Lubiprostone Impurity 9

CAS #321457-71-0

Mol. formulaC₂₀H₃₂F₂O₄

Mol. weight374.47

Details

L-215004BACK ORDER

Desacetyl Nimbin

CAS #18609-16-0

Mol. formulaC₂₈H₃₄O₈

Mol. weight498.57

Details

L-221IN STOCK

Levonorgestrel Sulfate Sodium Salt (D-(-)-Norgestrel Sulfate Sodium Salt, Etonogestrel EP Impurity G Sulfate Sodium Salt)

CAS #NA

Mol. formulaC₂₁H₂₇O₅S. Na

Mol. weight391.50 22.99

Details

L-2210IN STOCK

Levonorgestrel EP Impurity P

CAS #100021-05-4

Mol. formulaC₂₁H₂₈O₂

Mol. weight312.45

Details

L-2211IN STOCK

Levonorgestrel EP Impurity C

CAS #1337972-89-0

Mol. formulaC₂₃H₂₈O

Mol. weight320.48

Details

L-2212IN STOCK

Levonorgestrel EP Impurity M

CAS #51087-61-7

Mol. formulaC₂₁H₂₆O₂

Mol. weight310.44

Details

L-2215IN STOCK

Levonorgestrel EP Impurity A

CAS #1260525-53-8

Mol. formulaC₂₁H₂₆O₂

Mol. weight310.44

Details

L-2216IN STOCK

Levonorgestrel EP Impurity S

CAS #176254-10-7

Mol. formulaC₂₂H₃₀O₂

Mol. weight326.48

Details

L-2217IN STOCK

Levonorgestrel EP Impurity O

CAS #155683-60-6

Mol. formulaC₂₂H₃₂O₃

Mol. weight344.49

Details

L-2218IN STOCK

Levonorgestrel EP Impurity L (Norgestrel USP Related Compound L)

CAS #21800-83-9

Mol. formulaC₁₉H₂₆O₂

Mol. weight286.42

Details

L-2219IN STOCK

Levonorgestrel EP Impurity B

CAS #19914-67-1

Mol. formulaC₂₁H₂₈O₂

Mol. weight312.45

Details

L-2220IN STOCK

10-alpha-Hydroxy Levonorgestrel

CAS #NA

Mol. formulaC₂₁H₂₈O₃

Mol. weight328.45

Details

L-222004BACK ORDER

Laninamivir Impurity 1

CAS #32766-94-2

Mol. formulaC₁₂H₂₁NO₉

Mol. weight323.30

Details

L-222005BACK ORDER

Laninamivir Impurity 2

CAS #78850-37-0

Mol. formulaC₁₈H₂₃NO₁₀

Mol. weight413.38

Details

L-222006BACK ORDER

Laninamivir Impurity 3

CAS #1072449-84-3

Mol. formulaC₁₃H₁₅NO₈

Mol. weight313.26

Details

L-222007BACK ORDER

Laninamivir Impurity 4

CAS #475483-21-7

Mol. formulaC₁₂H₂₀N₂O₇

Mol. weight304.30

Details

L-2221IN STOCK

Levonorgestrel EP Impurity V (Aromatic Levonorgestrel)

CAS #14009-70-2

Mol. formulaC₂₂H₂₈O₂

Mol. weight324.46

Details

L-2222IN STOCK

Levonorgestrel EP Impurity W

CAS #155683-59-3

Mol. formulaC₂₁H₂₄O₂

Mol. weight308.42

Details

L-2223IN STOCK

Levonorgestrel EP Impurity R

CAS #2322-77-2

Mol. formulaC₂₀H₂₈O₂

Mol. weight300.44

Details

L-2224IN STOCK

Levonorgestrel EP Impurity Q

CAS #14507-49-4

Mol. formulaC₂₀H₃₀O₂

Mol. weight302.46

Details

L-2225IN STOCK

Levonorgestrel EP Impurity T

CAS #14507-51-8

Mol. formulaC₂₂H₃₀O₂

Mol. weight326.48

Details

L-2227IN STOCK

Levonorgestrel EP Impurity J (6-Keto Levonorgestrel)

CAS #1175109-63-3

Mol. formulaC₂₁H₂₆O₃

Mol. weight326.44

Details

L-2228IN STOCK

Levonorgestrel EP Impurity D

CAS #32419-58-2

Mol. formulaC₂₁H₃₀O

Mol. weight298.47

Details

L-2229IN STOCK

Levonorgestrel Impurity 1

CAS #7443-72-3

Mol. formulaC₂₀H₂₆O₂

Mol. weight298.43

Details

L-223IN STOCK

Levonorgestrel (D-(-)-Norgestrel), Etonogestrel EP Impurity G)

CAS #797-63-7

Mol. formulaC₂₁H₂₈O₂

Mol. weight312.45

Details

L-2230BACK ORDER

Levonorgestrel Impurity 2

CAS #850-92-0

Mol. formulaC₂₀H₂₄O₃

Mol. weight312.41

Details

L-2231IN STOCK

Levonorgestrel Impurity 3 (Mixture of Diastereomers)

CAS #NA

Mol. formulaC₂₀H₂₆O₃

Mol. weight314.43

Details

L-2232IN STOCK

Levonorgestrel Impurity 4 (Ethylmetrienone)

CAS #848-04-4

Mol. formulaC₂₀H₂₆O₂

Mol. weight298.43

Details

L-2233IN STOCK

Levonorgestrel Impurity 5

CAS #NA

Mol. formulaC₂₀H₂₆O₂

Mol. weight298.43

Details

L-2234BACK ORDER

Levonorgestrel Impurity 6

CAS #NA

Mol. formulaC₂₁H₂₈O₃

Mol. weight328.45

Details

L-2235IN STOCK

Levonorgestrel Impurity 7 (Mixture of Diastereomers)

CAS #25073-30-7

Mol. formulaC₂₁H₂₈O₃

Mol. weight328.45

Details

L-2236IN STOCK

Levonorgestrel Impurity 8

CAS #NA

Mol. formulaC₂₁H₃₀O₃

Mol. weight330.47

Details

L-2237IN STOCK

Levonorgestrel Impurity 9

CAS #61921-57-1

Mol. formulaC21H26O

Mol. weight294.44

Details

L-224IN STOCK

Levonorgestrel EP Impurity I (10-beta-Hydroxy Levonorgestrel)

CAS #21508-50-9

Mol. formulaC₂₁H₂₈O₃

Mol. weight328.46

Details

L-2240BACK ORDER

Levonorgestrel Impurity 10

CAS #2911-81-1

Mol. formulaC22H26O3

Mol. weight338.45

Details

L-2241BACK ORDER

Levonorgestrel Impurity 11

CAS #NA

Mol. formulaC22H28O3

Mol. weight340.46

Details

L-2242BACK ORDER

Levonorgestrel Impurity 12 (6-Methoxy-1,2,3,4-tetrahydronaphthalene)

CAS #1730-48-9

Mol. formulaC11H14O

Mol. weight162.23

Details

L-2243BACK ORDER

Levonorgestrel Impurity 13 (6-Methoxy-1-tetralone)

CAS #1078-19-9

Mol. formulaC11H12O2

Mol. weight176.22

Details

L-2245IN STOCK

Levonorgestrel Impurity 14

CAS #38165-80-9

Mol. formulaC₂₁H₂₄O₃

Mol. weight324.42

Details

L-2246BACK ORDER

Levonorgestrel Impurity 15

CAS #108027-10-7

Mol. formulaC₁₉H₂₂O₃

Mol. weight298.38

Details

L-2247BACK ORDER

Levonorgestrel Impurity 16

CAS #14507-47-2

Mol. formulaC₂₂H₂₈O₃

Mol. weight340.46

Details

L-2248BACK ORDER

rac-Levonorgestrel EP Impurity I (10-beta-Hydroxylevonorgestrel)

CAS #20402-62-4

Mol. formulaC₂₁H₂₈O₃

Mol. weight328.45

Details

L-2249IN STOCK

rac-Levonorgestrel EP Impurity A (Norgestrel EP Impurity A)

CAS #110785-09-6

Mol. formulaC₂₁H₂₆O₂

Mol. weight310.44

Details

L-225IN STOCK

Levonorgestrel EP Impurity G

CAS #87585-03-3

Mol. formulaC₂₁H₂₈O₃

Mol. weight328.45

Details

L-2250IN STOCK

Levonorgestrel Impurity 17

CAS #178737-52-5

Mol. formulaC₂₁H₂₈O₂

Mol. weight312.45

Details

L-2251INQUIRE FURTHER

Levonorgestrel Impurity 18

CAS #NA

Mol. formulaC₂₀H₂₆O₂

Mol. weight298.43

Details

L-2252IN STOCK

Levonorgestrel Impurity 19

CAS #NA

Mol. formulaC₂₃H₂₆O₃

Mol. weight350.46

Details

L-2253

Controlled item — please contact our sales team

Details

L-2255BACK ORDER

Levonorgestrel Impurity 20

CAS #51773-49-0

Mol. formulaC₂₀H₂₆O₃

Mol. weight314.43

Details

L-2257IN STOCK

delta-6,8(14)-Levonorgestrel

CAS #93798-38-0

Mol. formulaC₂₁H₂₄O₂

Mol. weight308.42

Details

L-2258BACK ORDER

Levonorgestrel EP Impurity B Acetate

CAS #NA

Mol. formulaC₂₃H₃₀O₃

Mol. weight354.49

Details

L-2259BACK ORDER

Levonorgestrel Impurity 21

CAS #NA

Mol. formulaC₂₃H₃₀O₃

Mol. weight354.49

Details

L-226IN STOCK

Levonorgestrel EP Impurity H (6-beta-Hydroxy Levonorgestrel)

CAS #55555-97-0

Mol. formulaC₂₁H₂₈O₃

Mol. weight328.45

Details

L-2260BACK ORDER

5-beta-Dihydro Levonorgestrel

CAS #NA

Mol. formulaC₂₁H₃₀O₂

Mol. weight314.47

Details

L-2263BACK ORDER

Levonorgestrel Impurity 22

CAS #40915-08-0

Mol. formulaC₂₁H₂₈O₃

Mol. weight328.45

Details

L-228002BACK ORDER

Luseogliflozin impurity 1

CAS #2171503-07-2

Mol. formulaC₂₁H₂₆O₆S

Mol. weight406.49

Details

L-229IN STOCK

Levonorgestrel EP Impurity N

CAS #4222-96-2

Mol. formulaC₁₉H₂₆O₂

Mol. weight286.42

Details

L-230002BACK ORDER

Lotilaner Impurity 1

CAS #1613733-75-7

Mol. formulaC₁₅H₈BrCl₃F₃NOS

Mol. weight493.54

Details

L-230003BACK ORDER

Lotilaner Impurity 2

CAS #1613733-77-9

Mol. formulaC₁₅H₈BrCl₃F₃NOS

Mol. weight493.54

Details

L-230004BACK ORDER

Lotilaner Impurity 3

CAS #2758907-90-1

Mol. formulaC₁₇H₁₁Cl₃F₃NO₃S

Mol. weight472.68

Details

L-230005BACK ORDER

Lotilaner Impurity 4

CAS #2758907-89-8

Mol. formulaC₁₇H₁₀Cl₃F₃O₃S

Mol. weight457.67

Details

L-230006BACK ORDER

Lotilaner Impurity 5

CAS #2758907-88-7

Mol. formulaC₁₇H₁₀Cl₃F₃O₃S

Mol. weight457.67

Details

L-230007BACK ORDER

Lotilaner Impurity 6

CAS #2226274-70-8

Mol. formulaC₈H₂BrCl₂F₃O

Mol. weight 321.90

Details

L-230008BACK ORDER

Lotilaner Impurity 7

CAS #NA

Mol. formulaC₁₆H₁₀Cl₃F₃N₂O₂S

Mol. weight457.67

Details

L-230009BACK ORDER

Lotilaner Impurity 8

CAS #3098839-39-2

Mol. formulaC₁₇H₁₁Cl₃F₃NO₃S

Mol. weight472.68

Details

L-230010BACK ORDER

Lotilaner Impurity 9

CAS #1613733-74-6

Mol. formulaC₁₆H₉Cl₃F₃NO₃S

Mol. weight458.66

Details

L-230011BACK ORDER

Lotilaner Impurity 10

CAS #2899249-63-7

Mol. formulaC₁₈H₁₂Cl₃F₃N₂O₄S

Mol. weight515.71

Details

L-230012BACK ORDER

ent-Lotilaner

CAS #1369853-98-4

Mol. formulaC₂₀H₁₄Cl₃F₆N₃O₃S

Mol. weight596.75

Details

L-230013BACK ORDER

Lotilaner Impurity 11

CAS #4187-38-6

Mol. formulaC₉H₁₃N

Mol. weight135.21

Details

L-2310IN STOCK

Levofloxacin EP Impurity H (Levofloxacin USP Related Compound C)

CAS #177472-30-9

Mol. formulaC₂₀H₂₄FN₃O₄

Mol. weight389.43

Details

L-231002BACK ORDER

Liral Impurity 1

CAS #51414-25-6

Mol. formulaC₁₃H₂₂O₂

Mol. weight210.32

Details

L-2312IN STOCK

Levofloxacin Diformyl Impurity

CAS #151377-74-1

Mol. formulaC₁₈H₁₈FN₃O₆

Mol. weight391.36

Details

L-2313IN STOCK

Levofloxacin EP Impurity C (Levofloxacin N-Oxide)

CAS #117678-38-3

Mol. formulaC₁₈H₂₀FN₃O₅

Mol. weight377.37

Details

L-2315IN STOCK

Ofloxacin EP Impurity D (S-Isomer) (9-Piperazine Levofloxacin Impurity)

CAS #178912-62-4

Mol. formulaC₁₈H₂₀FN₃O₄

Mol. weight361.37

Details

L-2316IN STOCK

Levofloxacin EP Impurity E ((S)-Ofloxacin EP Impurity B, Decarboxyl Levofloxacin)

CAS #178964-53-9

Mol. formulaC₁₇H₂₀FN₃O₂

Mol. weight317.36

Details

L-2317IN STOCK

Levofloxacin Impurity 14

CAS #110548-02-2

Mol. formulaC₁₅H₁₅F₄NO₄

Mol. weight349.28

Details

L-2318BACK ORDER

Levofloxacin Impurity 15

CAS #103995-33-1

Mol. formulaC14H12F4O4

Mol. weight320.24

Details

L-2319BACK ORDER

Levofloxacin Impurity 3

CAS #2489671-28-3

Mol. formulaC₁₈H₂₀FN₃O₄

Mol. weight361.38

Details

L-232IN STOCK

Levofloxacin EP Impurity F (Levofloxacin USP Related Compound B)

CAS #100986-89-8

Mol. formulaC₁₃H₉F₂NO₄

Mol. weight281.21

Details

L-2320IN STOCK

Levofloxacin Impurity 4

CAS #2206135-16-0

Mol. formulaC₂₃H₃₀FN₅O₃

Mol. weight443.52

Details

L-232004IN STOCK

Linzagolix Impurity 1

CAS #1581731-17-0

Mol. formulaC₂₃H₁₇F₃N₂O₇S

Mol. weight522.45

Details

L-2321IN STOCK

Levofloxacin Impurity 5

CAS #2206360-62-3

Mol. formulaC₁₃H₁₀FNO₅

Mol. weight279.22

Details

L-2322IN STOCK

rac-Levofloxacin Impurity 6

CAS #NA

Mol. formulaC₂₃H₃₁N₅O₄

Mol. weight441.53

Details

L-2323IN STOCK

Levofloxacin Impurity 7

CAS #1607796-83-7

Mol. formulaC15H14FNO5

Mol. weight307.28

Details

L-2324IN STOCK

Levofloxacin Impurity 8

CAS #110548-07-7

Mol. formulaC13H9F2NO4

Mol. weight281.22

Details

L-2325IN STOCK

Levofloxacin Impurity 9

CAS #110548-06-6

Mol. formulaC15H13F2NO4

Mol. weight309.27

Details

L-2326IN STOCK

Levofloxacin Impurity 10

CAS #106939-34-8

Mol. formulaC₁₅H₁₃F₂NO₄

Mol. weight309.27

Details

L-2327BACK ORDER

Levofloxacin Impurity 11

CAS #106939-42-8 (free base)

Mol. formulaC9H9F2NO. H2O4S

Mol. weight185.17 98.08

Details

L-2328BACK ORDER

Levofloxacin Impurity 12

CAS #NA

Mol. formulaC10H12F2N2O3S

Mol. weight278.28

Details

L-2329IN STOCK

Levofloxacin Impurity 13 HCl

CAS #NA

Mol. formulaC₁₈H₂₁F₂N₃O₄. HCl

Mol. weight381.38 36.46

Details

L-233IN STOCK

Levofloxacin EP Impurity B (Levofloxacin USP Related Compound A, N-Desmethyl Levofloxacin)

CAS #117707-40-1

Mol. formulaC₁₇H₁₈FN₃O₄

Mol. weight347.35

Details

L-2330INQUIRE FURTHER

Levofloxacin Impurity 16

CAS #NA

Mol. formulaC19H21ClFN3O4

Mol. weight409.84

Details

L-233002IN STOCK

24,25-Dihydro Lanosterol

CAS #79-62-9

Mol. formulaC₃₀H₅₂O

Mol. weight428.75

Details

L-233003BACK ORDER

7-Keto Lanosterol

CAS #22594-96-3

Mol. formulaC₃₀H₄₈O₂

Mol. weight440.71

Details

L-2332BACK ORDER

Levofloxacin Impurity 17

CAS #110548-03-3

Mol. formulaC15H14F3NO4

Mol. weight329.28

Details

L-2333BACK ORDER

Levofloxacin Impurity 18

CAS #138998-47-7

Mol. formulaC15H15F4NO3

Mol. weight333.28

Details

L-2334BACK ORDER

Levofloxacin Impurity 19

CAS #NA

Mol. formulaC14H13F4NO3

Mol. weight319.26

Details

L-2335IN STOCK

Levofloxacin Impurity 20

CAS #2489671-29-4

Mol. formulaC₁₉H₂₂FN₃O₃

Mol. weight359.40

Details

L-2336IN STOCK

Levofloxacin Impurity 21

CAS #1268719-66-9

Mol. formulaC₂₀H₂₄FN₃O₄

Mol. weight389.43

Details

L-2337IN STOCK

Levofloxacin Impurity 22

CAS #177472-29-6

Mol. formulaC₂₀H₂₅F₂N₃O₄

Mol. weight409.43

Details

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