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Pharmaceutical analytical standards

Active ingredients, pharmacopoeial impurities, metabolites, nitrosamines and labelled standards.

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Fluorouracil EP Impurity E

Pharmacopoeial impurityLevels of characterisation

Cat. No.: P-F091-006
CAS: 1820-81-1
Formula: C₄H₃ClN₂O₂
Family: Fluorouracil
Synonyms: 5-Chlorouracil, 5-chloro-1H-pyrimidine-2,4-dione

Fluorouracil EP Impurity F

Pharmacopoeial impurityLevels of characterisation

Cat. No.: P-F091-007
CAS: 56177-80-1
Formula: C₆H₇FN₂O₂
Family: Fluorouracil
Synonyms: 2-Ethoxy-5-fluorouracil, 2-ethoxy-5-fluoro-1H-pyrimidin-6-one

Isobarbituric Acid

Pharmacopoeial impurityLevels of characterisation

Cat. No.: P-F091-002
CAS: 496-76-4
Formula: C₄H₄N₂O₃
Family: Fluorouracil
Synonyms: 1,3-diazinane-2,4,5-trione, Dihydropyrimidine-2,4,5(3H)-trione

Isoflurane EP Impurity C

Pharmacopoeial impurityLevels of characterisation

Cat. No.: P-I085-002
CAS: 32778-08-8
Formula: C₃HCl₂F₅O
Family: Isoflurane
Synonyms: 1-Chloroisofluorane, 2-Chloro-2-(chlorodifluoromethoxy)-1,1,1-trifluoroethane

Isoflurane EP Impurity E

Pharmacopoeial impurityLevels of characterisation

Cat. No.: P-I085-003
CAS: 32778-09-9
Formula: C₃Cl₃F₅O
Family: Isoflurane
Synonyms: 1,1-dichloro-1-(chlorodifluoromethoxy)-2,2,2-trifluoroethane, Dichloroisoflurane

Ivermectin EP Impurity B

Pharmacopoeial impurityLevels of characterisation

Cat. No.: P-I108-003
CAS: 65195-56-4
Formula: C₄₇H₇₀O₁₄
Family: Ivermectin
Synonyms: Abamectin B1b, Avermectin B1b

Ivermectin EP Impurity C

Pharmacopoeial impurityLevels of characterisation

Cat. No.: P-I108-004
CAS: 65195-57-5
Formula: C₄₈H₇₄O₁₅
Family: Ivermectin
Synonyms: Avermectin B2a, Avermectin A1a, 5-O-demethyl-22,23-dihydro-23-hydroxy-, (23S)-

Ivermectin EP Impurity D

Pharmacopoeial impurityLevels of characterisation

Cat. No.: P-I108-005
CAS: 102190-55-6
Formula: C₄₈H₇₂O₁₅
Family: Ivermectin
Synonyms: Avermectin A1A, 5-O-demethyl-22,23-dihydro-28-oxo-

Ivermectin EP Impurity G

Pharmacopoeial impurityLevels of characterisation

Cat. No.: P-I108-008
CAS: 73162-95-5
Formula: C₃₄H₅₀O₈
Family: Ivermectin
Synonyms: Ivermectin B1 Aglycon, Ivm aglycone

Ivermectin EP Impurity H

Pharmacopoeial impurityLevels of characterisation

Cat. No.: P-I108-009
CAS: 71837-27-9
Formula: C₄₁H₆₂O₁₁
Family: Ivermectin
Synonyms: Ivermectin B1 Monosaccharide, Ivermectin B1a monosaccharide

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