TLC Pharmaceutical Standards

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EXEMESTANE

E-1937

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Catalogue Number:	E-1937
Compound Name:	Exemestane Impurity 18
Synonyms:
CAS#:	1361017-89-1
Alternate CAS#:
Molecular Formula:	C₂₇H₃₂O₅S
Molecular Weight:	468.61

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E-196

Exemestane EP Impurity H

16α, 17α-Epoxy Exemestane

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E-197

Exemestane EP Impurity H

Exemestane Metabolite 1

CAS No. N/A

C20H27NO4S

M.W. 377.51

E-198

Exemestane EP Impurity H

Exemestane Metabolite 2

C21H28O4

M.W. 344.45

E-199

Exemestane EP Impurity H

Exemestane EP Impurity E (Exemestane USP Related Compound A)

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C₂₀H₂₆O₂

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E-1910

Exemestane EP Impurity H

Exemestane EP Impurity B (Exemestane USP Related Compound B) (Mixture of Diastereomers)

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E-191

Exemestane EP Impurity H

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E-1911

Exemestane EP Impurity H

Exemestane Impurity 23

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C₂₁H₂₈O₃

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E-1912

Exemestane EP Impurity H

Exemestane-d5

CAS No. N/A

C20H19O2D5

M.W. 301.44

E-1914

Exemestane EP Impurity H

Exemestane Impurity 22 (Mixture of Diastereomers)

C₂₀H₂₄O₃

M.W. 312.41

E-1915

Exemestane EP Impurity H

Exemestane Impurity 24 (Mixture of Diastereomers)

C₂₀H₂₄O₃

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E-1916

Exemestane EP Impurity H

Exemestane Impurity 24 (17-alpha-Isomer)

C₂₀H₂₄O₃

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E-1917

Exemestane EP Impurity H

Exemestane Impurity 24 (17-beta-Isomer)

C₂₀H₂₄O₃

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E-1918

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CAS No. 159354-61-7

C₂₀H₂₄O₃

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E-1919

Exemestane EP Impurity H

Exemestane EP Impurity F

CAS No. 72648-46-5

C₁₉H₂₂O₃

M.W. 298.38

E-1920

Exemestane EP Impurity H

Exemestane EP Impurity C

C₂₁H₂₄O₂

M.W. 308.42

E-1921

Exemestane EP Impurity H

Exemestane Impurity 4

CAS No. 2467590-81-2

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M.W. 296.41

E-1923

Exemestane EP Impurity H

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C₂₀H₂₄O₃

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E-1924

Exemestane EP Impurity H

Exemestane Impurity 6

C₂₀H₂₄O₄

M.W. 328.41

E-1925

Exemestane EP Impurity H

Exemestane Impurity 7

C22H32O2

M.W. 328.50

E-1927

Exemestane EP Impurity H

Exemestane Impurity 8

C21H26O2

M.W. 310.44

E-1928

Exemestane EP Impurity H

Exemestane Impurity 9

C22H28O3

M.W. 340.46

E-1929

Exemestane EP Impurity H

Exemestane Impurity 10

C22H30O3

M.W. 342.48

E-1930

Exemestane EP Impurity H

Exemestane Impurity 11

CAS No. 107868-36-0

C₂₀H₂₃ClO₂

M.W. 330.85

E-1931

Exemestane EP Impurity H

Exemestane Impurity 30 (Mixture of (6R) and (6S) Isomers)

C₂₀H₂₆O₃

M.W. 314.43

E-1932

Exemestane EP Impurity H

Exemestane Impurity 13

CAS No. 152764-29-9

C20H26O3

M.W. 314.43

E-1933

Exemestane EP Impurity H

Exemestane Impurity 14

C₂₁H₂₈O₅S

M.W. 392.51

E-1934

Exemestane EP Impurity H

Exemestane EP Impurity I

C₂₁H₂₆O₃

M.W. 326.44

E-1935

Exemestane EP Impurity H

Exemestane Impurity 16

CAS No. 881896-95-3

C₂₁H₂₈O₃

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E-1936

Exemestane EP Impurity H

Exemestane Impurity 17

C₂₀H₂₄O₄

M.W. 328.41

E-1938

Exemestane EP Impurity H

Exemestane EP Impurity J

CAS No. 1160599-91-6

C₂₂H₂₈O₃

M.W. 340.46

E-1939

Exemestane EP Impurity H

Exemestane Impurity 19

CAS No. 1331732-05-8

C₂₀H₂₆O₃

M.W. 314.43

E-1940

Exemestane EP Impurity H

Exemestane Impurity 20

C₂₀H₂₆O₄

M.W. 330.42

E-1941

Exemestane EP Impurity H

Exemestane Impurity 21

CAS No. 152764-26-6

C₂₀H₂₄O₃

M.W. 312.41

E-1942

Exemestane EP Impurity H

6-beta-Exemestane EP Impurity B (6-beta-Exemestane USP Related Compound B)

CAS No. 121021-51-0

C₂₀H₂₆O₃

M.W. 314.43

E-1943

Exemestane EP Impurity H

Exemestane Impurity 21-d3

C₂₀H₂₁D₃O₃

M.W. 315.43

E-1944

Exemestane EP Impurity H

Exemestane Impurity 18 (6-beta Isomer)

C₂₇H₃₂O₅S

M.W. 468.61

E-1945

Exemestane EP Impurity H

Exemestane Impurity 25

CAS No. 600178-04-9

C₁₉H₃₂O₃

M.W. 308.46

E-1946

Exemestane EP Impurity H

Exemestane Impurity 26

CAS No. 49644-04-4

C₁₉H₃₂O₃

M.W. 308.46

E-1947

Exemestane EP Impurity H

Exemestane Impurity 27

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C₁₉H₃₀O₃

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E-1948

Exemestane EP Impurity H

Exemestane Impurity 28

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E-1949

Exemestane EP Impurity H

Exemestane Impurity 29

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C₁₉H₂₆O₃

M.W. 302.41

E-1950

Exemestane EP Impurity H

ent-Exemestane EP Impurity B

C₂₀H₂₆O₃

M.W. 314.43

E-1951

Exemestane EP Impurity H

ent-Exemestane

C₂₀H₂₄O₂

M.W. 296.41

E-1952

Exemestane EP Impurity H

Exemestane Impurity 30

C₂₀H₂₆O₃

M.W. 314.43