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Pharmaceutical analytical standards

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

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Natamycin Impurity 2

ImpurityLevels of characterisation

Cat. No.: P-N024-006
CAS: 1690351-53-1
Formula: C₃₃H₄₉NO₁₀
Family: Natamycin
Synonyms: (1R,3S,5E,7E,11R,13E,15E,17E,19E,21R,23S,24R,25S)-21-[(2R,3S,4S,5S,6R)-4-Amino-3,5-dihydroxy-6-methyloxan-2-yl]oxy-1,3,25-trihydroxy-11,24-dimethyl-10,27-dioxabicyclo[21.3.1]heptacosa-5,7,13,15,17,19-hexaen-9-one

Natamycin Methyl Ester

ImpurityLevels of characterisation

Cat. No.: P-N024-010
CAS: 52555-04-1
Formula: C₃₄H₄₉NO₁₃
Family: Natamycin

Neohesperidin

ImpurityLevels of characterisation

Cat. No.: P-N571-004
CAS: 13241-33-3
Formula: C₂₈H₃₄O₁₅
Synonyms: Hesperetin 7-O-neohesperidoside, FEMA NO. 4799

Neohesperidin Dihydrochalcone EP Impurity A

Pharmacopoeial impurityLevels of characterisation

Cat. No.: P-N571-003
CAS: 23643-71-2
Formula: C₂₀H₂₈O₁₃
Synonyms: Phloroacetophenone 4-Neohesperidoside

Neohesperidin-Dihydrochalcone EP Impurity B

Pharmacopoeial impurityLevels of characterisation

Cat. No.: P-N571-002
CAS: 38665-01-9
Formula: C₂₈H₃₂O₁₅
Synonyms: Neodiosmin, Diosmetin-7-O-neohesperidoside

(3S,6R,7R)-Nerolidol Oxide

ImpurityLevels of characterisation

Cat. No.: P-N585-002
CAS: 72523-47-8
Formula: C₁₅H₂₆O₂

(3S,6R,7S)-Nerolidol Oxide

ImpurityLevels of characterisation

Cat. No.: P-N585-003
CAS: 72523-46-7
Formula: C₁₅H₂₆O₂

(3S,6S,7R)-Nerolidol Oxide

ImpurityLevels of characterisation

Cat. No.: P-N585-004
CAS: 72523-45-6
Formula: C₁₅H₂₆O₂

(3S,6S,7S)-Nerolidol Oxide

ImpurityLevels of characterisation

Cat. No.: P-N585-005
CAS: 72523-44-5
Formula: C₁₅H₂₆O₂

Nitenpyram-d3

Isotopically labelledLevels of characterisation

Cat. No.: P-N075-002
CAS: 2749978-80-9
Formula: C₁₁H₁₂D₃ClN₄O₂
Family: Nitenpyram
Synonyms: Nitenpyram-d3 (N-methyl-d3)

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