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Donepezil EP Impurity E Bromide

Pharmacopoeial impurityLevels of characterisation

Cat. No.: P-D169-009
CAS: 231283-82-2
Formula: C₂₄H₂₄NO₃·Br
Family: Donepezil
Synonyms: 1-Benzyl-4-(5,6-dimethoxy-1-oxoindan-2-YL)methylpyridinium bromide, Donepezil EP impurity E

Donepezil EP Impurity F

Pharmacopoeial impurityLevels of characterisation

Cat. No.: P-D169-010
CAS: 145546-80-1
Formula: C₂₄H₂₇NO₃
Family: Donepezil
Synonyms: Donepezil Impurity O, Donepezil USP Related Compound A

Donepezil EP Impurity G

Pharmacopoeial impurityLevels of characterisation

Cat. No.: P-D169-011
CAS: 2452407-72-4
Formula: C₂₄H₂₇NO₃
Family: Donepezil
Synonyms: Donepezil impurity 70

Losartan EP Impurity A

Pharmacopoeial impurityLevels of characterisation

Cat. No.: P-L097-003
CAS: 79047-41-9
Formula: C₈H₁₃ClN₂O
Family: Losartan
Synonyms: 2-Butyl-4-chloro-5-(hydroxymethyl)imidazole, Losartan Impurity 25

Losartan EP Impurity B

Pharmacopoeial impurityLevels of characterisation

Cat. No.: P-L097-005
CAS: 160514-13-6
Formula: C₁₄H₁₂N₄O
Family: Losartan
Synonyms: p-(o-1H-Tetrazol-5-ylphenyl)benzyl alcohol, Losartan EP IMpurity B (Losartan HydroxyIMpurity )

Losartan EP Impurity C

Pharmacopoeial impurityLevels of characterisation

Cat. No.: P-L097-006
CAS: 114799-13-2
Formula: C₂₂H₂₃ClN₆O
Family: Losartan
Synonyms: Isolosartan, Losartan Impurity C

Losartan EP Impurity D

Pharmacopoeial impurityLevels of characterisation

Cat. No.: P-L097-007
CAS: 83857-96-9
Formula: C₈H₁₁ClN₂O
Family: Losartan
Synonyms: 2-Butyl-5-chloro-1H-imidazole-4-carbaldehyde

Losartan EP Impurity E

Pharmacopoeial impurityLevels of characterisation

Cat. No.: P-L097-008
CAS: 120568-11-8
Formula: C₁₄H₁₂N₄
Family: Losartan
Synonyms: 5-(4'-Methyl-1,1'-biphenyl-2-yl)-1H-tetrazole, 5-[2-(4-methylphenyl)phenyl]-2H-tetrazole

Losartan EP Impurity F

Pharmacopoeial impurityLevels of characterisation

Cat. No.: P-L097-009
CAS: 1332713-64-0
Formula: C₂₅H₂₉ClN₆O
Family: Losartan
Synonyms: Losartan Isopropyl Ether, Losartan Impurity F

Losartan EP Impurity G

Pharmacopoeial impurityLevels of characterisation

Cat. No.: P-L097-073
CAS: 76-84-6
Formula: C₁₉H₁₆O
Family: Losartan
Synonyms: Zidovudine EP Impurity D, Triphenylcarbinol

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