TLC Pharmaceutical Standards

TLC Pharmaceutical Standards

Product Detail

KETOTIFEN

K-067

click image for full size view

Request Quote

◀ Back to All Products

Catalogue Number:	K-067
Compound Name:	Ketotifen EP Impurity F Hemifumarate (Mixture of Enol and Ketone)
Synonyms:	4-(1-methylpiperidin-4-ylidene)-4,10-dihydro-9H-benzo[4,5]cyclohepta[1,2-b]thiophen-9-one and 4-(1-methylpiperidin-4-ylidene)-4H-benzo[4,5]cyclohepta[1,2-b]thiophen-9-ol, fumarate (2:1)
CAS#:
Alternate CAS#:	59743-87-2 (Keto form with fumarate salt); 34580-09-1 (Keto form free base)
Molecular Formula:	C₁₉H₁₉NOS. 0.5 C₄H₄O₄
Molecular Weight:	309.43 0.5*116.07

Related Product

K-061

Ketotifen Fumarate

Ketotifen Fumarate

CAS No. 34580-14-8

C₁₉H₁₉NOS. C₄H₄O₄

M.W. 309.43 116.07

K-062

Ketotifen Fumarate

Ketotifen EP Impurity A (Ketotifen USP Related Compound A (Free Form))

CAS No. 4673-38-5

C₁₉H₁₉NS

M.W. 293.43

K-063

Ketotifen Fumarate

Ketotifen EP Impurity B

CAS No. 59743-88-3

C₂₀H₂₃NO₂S

M.W. 341.47

K-064

Ketotifen Fumarate

Ketotifen EP Impurity C

CAS No. 126939-27-3

C₁₉H₂₁NO₂S

M.W. 327.45

K-065

Ketotifen Fumarate

Ketotifen EP Impurity D (Ketotifen N-Oxide)

CAS No. 88456-70-6

C₁₉H₁₉NO₂S

M.W. 325.43

K-066

Ketotifen Fumarate

Ketotifen EP Impurity E

CAS No. 1346603-71-1

C₁₉H₁₉NOS

M.W. 309.43

K-068

Ketotifen Fumarate

Ketotifen EP Impurity G

CAS No. 43076-16-0

C₁₉H₁₇NO₂S

M.W. 323.41

K-069

Ketotifen Fumarate

Ketotifen Impurity 1 HCl

C19H19NOS. HCl

M.W. 309.43 36.46

K-0610

Ketotifen Fumarate

Ketotifen Impurity 2

CAS No. 59743-84-9

C₁₄H₁₀O₂S

M.W. 242.29

K-0612

Ketotifen Fumarate

Ketotifen-13C-d3

CAS No. 2748522-40-7

C₁₈¹³CH₁₆D₃NOS

M.W. 313.44

K-0614

Ketotifen Fumarate

Ketotifen Impurity 4 HCl

C₁₉H₁₉NOS. HCl

M.W. 309.43 36.46

K-0615

Ketotifen Fumarate

Ketotifen Impurity 5

CAS No. 81759-45-7

C₂₅H₂₇NO₇S

M.W. 485.55

K-0616

Ketotifen Fumarate

Ketotifen Impurity 6

CAS No. 126939-25-1

C₁₃H₇BrOS

M.W. 291.16

K-0617

Ketotifen Fumarate

Ketotifen Impurity 7

CAS No. 111428-56-9

C₁₄H₉BrO₂S

M.W. 321.19

K-0618

Ketotifen Fumarate

Ketotifen Impurity 8

CAS No. 4506-53-0

C₁₃H₈OS

M.W. 212.27

K-0619

Ketotifen Fumarate

Ketotifen Impurity 9

C₁₉H₂₀BrNOS

M.W. 390.34

K-0620

Ketotifen Fumarate

Ketotifen Impurity 10

CAS No. 4506-57-4

C₁₉H₂₁NOS

M.W. 311.44

K-0621

Ketotifen Fumarate

Ketotifen Impurity 11

C₁₉H₁₉NO₃S

M.W. 341.43

K-0622

Ketotifen Fumarate

Ketotifen Impurity 12

C₁₉H₁₃NO₂S

M.W. 319.38

K-0623

Ketotifen Fumarate

Ketotifen Impurity 13

C₁₈H₁₅NO₄S

M.W. 341.38

K-0624

Ketotifen Fumarate

Ketotifen Impurity 14

C₁₈H₁₅NO₅S

M.W. 357.38

K-0625

Ketotifen Fumarate

Ketotifen Impurity 15

C₁₈H₁₅NO₆S

M.W. 373.38

K-0626

Ketotifen Fumarate

Ketotifen Impurity 16

C₂₂H₂₁NO₅S

M.W. 411.47

K-0627

Ketotifen Fumarate

Ketotifen Impurity 17

C₁₈H₁₆ClNOS

M.W. 329.84

K-0628

Ketotifen Fumarate

Ketotifen Impurity 18

C₁₈H₁₆ClNOS

M.W. 329.84

K-0630

Ketotifen Fumarate

N-Desmethyl Ketotifen EP Impurity G

CAS No. 1196969-59-1

C₁₈H₁₅NO₂S

M.W. 309.38

K-0631

Ketotifen Fumarate

N-Nitroso N-Desmethyl Ketotifen EP Impurity G

C₁₈H₁₄N₂O₃S

M.W. 338.38

K-0632

Ketotifen Fumarate

N-Nitroso-N-Desmethyl Ketotifen EP Impurity A

C₁₈H₁₆N₂OS

M.W. 308.40

K-0633

Ketotifen Fumarate

N-Nitroso-N-Desmethyl Ketotifen EP Impurity B

C₁₉H₂₀N₂O₃S

M.W. 356.44

K-0634

Ketotifen Fumarate

N-Nitroso N-Desmethyl Ketotifen EP Impurity C

C₁₈H₁₈N₂O₃S

M.W. 342.41

K-0635

Ketotifen Fumarate

N-Desmethyl Ketotifen EP Impurity A HCl

CAS No. 23456-01-1

C₁₈H₁₇NS. HCl

M.W. 279.40 36.46

K-0636

Ketotifen Fumarate

N-Desmethyl Ketotifen EP Impurity B

CAS No. 108914-77-8

C₁₉H₂₁NO₂S

M.W. 327.44

K-0637

Ketotifen Fumarate

N-Desmethyl Ketotifen EP Impurity C

C₁₈H₁₉N_O2S

M.W. 313.41

K-0638

Ketotifen Fumarate

Ketotifen Impurity 19

CAS No. 694-55-3

C₆H₁₁N

M.W. 97.16

K-0639

Ketotifen Fumarate

Ketotifen Impurity 20

CAS No. 34580-11-5

C₁₃H₇BrOS

M.W. 291.16