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

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Spironolactone EP Impurity C

Pharmacopoeial impurityLevels of characterisation

Cat. No.: P-S080-004
CAS: 976-70-5
Formula: C₂₂H₃₀O₃
Family: Spironolactone
Synonyms: Spriolactone, omega-(3-Oxo-17-beta-hydroxy-4-androsten-17-alpha-yl) propionic acid lactone

Spironolactone EP Impurity D

Pharmacopoeial impurityLevels of characterisation

Cat. No.: P-S080-005
CAS: 3079028-52-4
Formula: C₂₄H₃₂O₄S₂
Family: Spironolactone
Synonyms: Disulfanyl Spironolactone

Spironolactone EP Impurity E

Pharmacopoeial impurityLevels of characterisation

Cat. No.: P-S080-006
CAS: 33784-05-3
Formula: C₂₄H₃₂O₄S
Family: Spironolactone
Synonyms: 7-beta Spironolactone, 7b-Spironolactone

Spironolactone EP Impurity F

Pharmacopoeial impurityLevels of characterisation

Cat. No.: P-S080-007
CAS: 976-71-6
Formula: C₂₂H₂₈O₃
Family: Spironolactone
Synonyms: Canrenone, Aldadiene

Spironolactone EP Impurity G

Pharmacopoeial impurityLevels of characterisation

Cat. No.: P-S080-008
CAS: 880106-10-5
Formula: C₂₄H₃₂O₅S
Family: Spironolactone
Synonyms: 6beta-Hydroxy-spironolactone, Spironolactone Impurity G

Spironolactone EP Impurity H

Pharmacopoeial impurityLevels of characterisation

Cat. No.: P-S080-009
CAS: 53866-24-3
Formula: C₂₀H₂₆O₂
Family: Spironolactone
Synonyms: Spiro(androsta-4,6-diene-17,2'-oxiran)-3-one, (17beta)-, Spiro(17H-cyclopenta(a)phenanthrene-17,2'-oxirane), spiro(androsta-4,6-diene-17,2'-oxiran)-3-one deriv.

Spironolactone EP Impurity I

Pharmacopoeial impurityLevels of characterisation

Cat. No.: P-S080-010
CAS: 3070439-36-7
Formula: C₂₄H₃₆O₄S
Family: Spironolactone
Synonyms: Spironolactone Related Compound I

Benzathine Benzylpenicillin EP Impurity G

Pharmacopoeial impurityLevels of characterisation

Cat. No.: P-B049-006
CAS: 525-91-7
Formula: C₁₆H₁₈N₂O₅S
Family: Benzylpenicillin
Synonyms: Penicillin X, Penicillin III

Benzylpenicillin Benzathine EP Impurity A

Pharmacopoeial impurityLevels of characterisation

Cat. No.: P-B049-009
CAS: 4152-09-4
Formula: C₉H₁₄N₂
Family: Benzylpenicillin
Synonyms: N-Benzylethylenediamine, N'-benzylethane-1,2-diamine

Benzylpenicillin Benzathine EP Impurity H

Pharmacopoeial impurityLevels of characterisation

Cat. No.: P-B049-010
CAS: 118-53-6
Formula: C₁₄H₂₀N₂O₄S
Family: Benzylpenicillin
Synonyms: Isopenicillin F, Penicillin F

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