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Pharmaceutical analytical standards

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

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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

Ivermectin EP Impurity I (4S-Isomer)

Pharmacopoeial impurityLevels of characterisation

Cat. No.: P-I108-010
CAS: 1135339-49-9
Formula: C₄₈H₇₄O₁₄
Family: Ivermectin

Ivermectin EP Impurity K

Pharmacopoeial impurityLevels of characterisation

Cat. No.: P-I108-013
CAS: 74567-01-4
Formula: C₄₈H₇₆O₁₄
Family: Ivermectin
Synonyms: 3,4-Dihydro Ivermectin, Avermectin A1A, 5-O-demethyl-3,4,22,23-tetrahydro-

DL-Leucine

ImpurityLevels of characterisation

Cat. No.: P-L039-004
CAS: 328-39-2
Formula: C₆H₁₃NO₂
Family: Leucine
Synonyms: 2-amino-4-methylpentanoic acid, Leucine, DL-

D-Leucine

ImpurityLevels of characterisation

Cat. No.: P-L039-016
CAS: 328-38-1
Formula: C₆H₁₃NO₂
Family: Leucine
Synonyms: Leucine, D-, D-Leu

D-tert-Leucine

ImpurityLevels of characterisation

Cat. No.: P-L039-017
CAS: 26782-71-8
Formula: C₆H₁₃NO₂
Family: Leucine
Synonyms: D-Valine, 3-methyl-, h-d-tle-oh

L-tert-Leucine

ImpurityLevels of characterisation

Cat. No.: P-L039-023
CAS: 20859-02-3
Formula: C₆H₁₃NO₂
Family: Leucine
Synonyms: NSC 203785, L-valine,3-methyl

D-Leucine Methyl Ester Hydrochloride

ImpurityLevels of characterisation

Cat. No.: P-L039-003
CAS: 5845-53-4
Formula: C₇H₁₅NO₂·HCl
Family: Leucine
Synonyms: H-D-Leu-OMe.HCl, Methyl D-leucinate hydrochloride

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