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Impurities & Reference Standards

Pharmacopoeial and non-pharmacopoeial impurities, metabolites, nitrosamines and working standards with characterisation data for QC and regulatory work.

28,554products

6sub-categories

2,746in stock

COA + SDSwith every lot

API Impurities 14,252 Pharmacopeial Impurities (EP / USP / BP) 4,401 Nitrosamine Impurities 650 Stable Isotope Labelled Standards (Deuterated, 13C, 15N) 1,612 Metabolites & Degradation Products 4,146 API Reference Standards 3,493

Reference Standard

Fluvoxamine EP Impurity B chemical structure

Fluvoxamine EP Impurity B

CAS: 89035-92-7
Formula: C₁₅H₂₁F₃N₂O₂
MW: 318.33 g/mol

VQ-022701

Reference Standard

Fluvoxamine EP Impurity B maleate salt chemical structure

Fluvoxamine EP Impurity B maleate salt

CAS: 917096-37-8
Formula: C₁₅H₂₁F₃N₂O₂
MW: 318.33 g/mol

VQ-025894

Reference Standard

Fluvoxamine EP Impurity C chemical structure

Fluvoxamine EP Impurity C

CAS: 259526-43-7
Formula: C₁₉H₂₅F₃N₂O₆
MW: 434.4 g/mol

VQ-021230

Reference Standard

Fluvoxamine EP Impurity D chemical structure

Fluvoxamine EP Impurity D

CAS: 61718-80-7
Formula: C₁₃H₁₅F₃O₂
MW: 260.25 g/mol

VQ-022702

Reference Standard

Fluvoxamine EP Impurity E chemical structure

Fluvoxamine EP Impurity E

CAS: 1217214-94-2
Formula: C₁₅H₂₂F₂N₂O₂
MW: 300.34 g/mol

VQ-022703

Reference Standard

Fluvoxamine EP Impurity F chemical structure

Fluvoxamine EP Impurity F

CAS: 1217262-11-7
Formula: C₁₇H₂₆F₃N₃O₂
MW: 361.4 g/mol

VQ-025892

Reference Standard

Fluvoxamine EP Impurity G chemical structure

Fluvoxamine EP Impurity G

CAS: 192876-02-1
Formula: C₁₄H₁₉F₃N₂O₂
MW: 304.31 g/mol

VQ-022704

Reference Standard

Fluvoxamine EP Impurity I chemical structure

Fluvoxamine EP Impurity I

CAS: 88699-84-7
Formula: C₁₃H₁₆F₃NO₂
MW: 275.27 g/mol

VQ-022706

Reference Standard

Fluvoxamine EP Impurity J chemical structure

Fluvoxamine EP Impurity J

CAS: 1217241-15-0
Formula: C₁₇H₁₇F₃N₂O
MW: 322.32 g/mol

VQ-025893

Reference Standard

Fluvoxamine Maleate chemical structure

Fluvoxamine Maleate

CAS: 61718-82-9
Formula: C₁₉H₂₅F₃N₂O₆
MW: 434.4 g/mol

VQ-025890

Reference Standard

Fluvoxamine Maleic Acid Monoamide Impurity chemical structure

Fluvoxamine Maleic Acid Monoamide Impurity

CAS: 1076198-14-5
Formula: C₁₉H₂₃F₃N₂O₅
MW: 416.4 g/mol

VQ-022705

Reference Standard

Fluvoxamine-D3 Maleate chemical structure

Fluvoxamine-D3 Maleate

CAS: 1185245-56-0
Formula: C₁₉H₂₅F₃N₂O₆
MW: 437.4 g/mol

VQ-037391

Reference Standard

Fluxapyroxad chemical structure

CAS: 907204-31-3
Formula: C₁₈H₁₂F₅N₃O
MW: 381.3 g/mol

VQ-037392

Reference Standard

Fluxapyroxad Impurity 1 chemical structure

Fluxapyroxad Impurity 1

CAS: 918886-15-4
Formula: C₁₈H₁₃F₄N₃O
MW: 363.3 g/mol

VQ-048447

Reference Standard

Fmoc-dehydro-Ala-OH chemical structure

Fmoc-dehydro-Ala-OH

CAS: 261522-33-2
Formula: C₁₈H₁₅NO₄
MW: 309.3 g/mol

VQ-032508

Reference Standard

Fmoc-Gly-Gly-Gly-OH chemical structure

Fmoc-Gly-Gly-Gly-OH

CAS: 170941-79-4
Formula: C₂₁H₂₁N₃O₆
MW: 411.4 g/mol

VQ-041105

Reference Standard

Fmoc-Kynurenine chemical structure

Fmoc-Kynurenine

CAS: 831210-89-0
Formula: C₂₅H₂₂N₂O₅
MW: 430.5 g/mol

VQ-039873

Reference Standard

Fmoc-L-Ala-ethyl ester

Fmoc-L-Ala-ethyl ester

CAS: 117402-82-1
Formula: C₂₀H₂₁NO₄
MW: 339.39 g/mol

VQ-032697

Reference Standard

Fmoc-L-Ala-methyl ester chemical structure

Fmoc-L-Ala-methyl ester

CAS: 146346-88-5
Formula: C₁₉H₁₉NO₄
MW: 325.4 g/mol

VQ-039733

Reference Standard

Fmoc-L-Ala-tert-butyl ester chemical structure

Fmoc-L-Ala-tert-butyl ester

CAS: 71953-00-9
Formula: C₂₂H₂₅NO₄
MW: 367.4 g/mol

VQ-032698

Reference Standard

Fmoc-L-Alanine Isopropyl ester

Fmoc-L-Alanine Isopropyl ester

CAS: 1185984-34-2
Formula: C₂₁H₂₃NO₄
MW: 353.41 g/mol

VQ-032699

Reference Standard

Fmoc-L-His(2-Oxo)-OH chemical structure

Fmoc-L-His(2-Oxo)-OH

CAS: 2679858-41-2
Formula: C₂₁H₁₉N₃O₅
MW: 393.4 g/mol

VQ-035299

Reference Standard

Fmoc-O-tert-butyl-D-trans-4-hydroxyproline chemical structure

Fmoc-O-tert-butyl-D-trans-4-hydroxyproline

CAS: 268729-12-0
Formula: C₂₄H₂₇NO₅
MW: 409.5 g/mol

VQ-040184

Reference Standard

Fmoc-Tyr(SO3H)-OH chemical structure

Fmoc-Tyr(SO3H)-OH

CAS: 181952-24-9
Formula: C₂₄H₂₁NO₈S
MW: 483.5 g/mol

VQ-032784

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