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APIs, pharmacopoeial impurities, metabolites, nitrosamines and labelled standards.

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Tasimelteon Impurity 3

ImpurityLevels of characterisation

Cat. No.: P-T018-011
CAS: 1803286-24-9
Formula: C₃₁H₄₀N₂O₇
Family: Tasimelteon
Synonyms: [2-(2-Hydroxyethyl)-3-[2-[(propanoylamino)methyl]cyclopropyl]phenyl] 2-[2-hydroxy-6-[2-[(propanoylamino)methyl]cyclopropyl]phenyl]ethyl carbonate

Tasimelteon Impurity G

ImpurityLevels of characterisation

Cat. No.: P-T018-012
CAS: 251562-65-9
Formula: C₁₅H₁₉NO₂
Family: Tasimelteon

Tasimelteon-d5

Isotopically labelledLevels of characterisation

Cat. No.: P-T018-007
CAS: 1962124-51-1
Formula: C₁₅H₁₄D₅NO₂
Family: Tasimelteon

1,1,3,3-Tetramethyldisiloxane-1,3-diol

ImpurityLevels of characterisation

Cat. No.: P-S267-006
CAS: 1118-15-6
Formula: C₄H₁₄O₃Si₂
Synonyms: hydroxy-[hydroxy(dimethyl)silyl]oxy-dimethylsilane, Tetramethyldisiloxanediol

Thiamazole EP Impurity A

Pharmacopoeial impurityLevels of characterisation

Cat. No.: P-T085-002
CAS: 122-07-6
Formula: C₅H₁₃NO₂
Family: Thiamazole
Synonyms: Methimazole USP Related Compound A, 2,2-Dimethoxyethylmethylamine

Thiamazole EP Impurity A Hydrochloride

Pharmacopoeial impurityLevels of characterisation

Cat. No.: P-T085-003
CAS: 56766-80-4
Formula: C₅H₁₃NO₂·HCl
Family: Thiamazole
Synonyms: Methimazole USP Related Compound A Hydrochloride, 2,2-Dimethoxyethyl(methyl)ammonium chloride

Thiamazole EP Impurity B

Pharmacopoeial impurityLevels of characterisation

Cat. No.: P-T085-004
CAS: 616-47-7
Formula: C₄H₆N₂
Family: Thiamazole
Synonyms: 1-Methyl-1H-imidazole, 1-Methylimidazole

Thiamazole EP Impurity C

Pharmacopoeial impurityLevels of characterisation

Cat. No.: P-T085-005
CAS: 14486-52-3
Formula: C₅H₈N₂S
Family: Thiamazole
Synonyms: Methimazole methyl sulfide, 1-methyl-2-methylsulfanylimidazole

Thiamazole EP Impurity C Hydrochloride

Pharmacopoeial impurityLevels of characterisation

Cat. No.: P-T085-006
CAS: 858220-92-5
Formula: C₅H₈N₂S·HCl
Family: Thiamazole
Synonyms: 1-methyl-2-(methylsulfanyl)-1H-imidazole hydrochloride

Thiamazole Thio-beta-D-glucuronide

MetaboliteLevels of characterisation

Cat. No.: P-T085-007
CAS: 39038-19-2
Formula: C₁₀H₁₄N₂O₆S
Family: Thiamazole
Synonyms: Methimazole thio-b-D-Glucuronide, Methimazole Thio-beta-D-glucuronide

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