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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

epi-Velpatasvir chemical structure

epi-Velpatasvir

CAS: 1493768-22-1
Formula: C₄₉H₅₄N₈O₈
MW: 883 g/mol

VQ-028652

Reference Standard

Epiandrosterone chemical structure

Epiandrosterone

CAS: 481-29-8
Formula: C₁₉H₃₀O₂
MW: 290.4 g/mol

VQ-037025

Reference Standard

Epicamphor chemical structure

CAS: 10292-98-5
Formula: C₁₀H₁₆O
MW: 152.23 g/mol

VQ-029594

Reference Standard

Epicatechin Gallate chemical structure

Epicatechin Gallate

CAS: 1257-08-5
Formula: C₂₂H₁₈O₁₀
MW: 442.4 g/mol

VQ-040176

Reference Standard

Epichlorohydrin chemical structure

Epichlorohydrin

CAS: 106-89-8
Formula: C₃H₅ClO
MW: 92.52 g/mol

In stock

Reference Standard

Epicholesterol chemical structure

CAS: 474-77-1
Formula: C₂₇H₄₆O
MW: 386.7 g/mol

VQ-032779

Reference Standard

Epiisopiloturine chemical structure

Epiisopiloturine

CAS: 69460-80-6
Formula: C₁₆H₁₈N₂O₃
MW: 286.33 g/mol

VQ-030509

Reference Standard

Epilactose chemical structure

CAS: 50468-56-9
Formula: C₁₂H₂₂O₁₁
MW: 342.3 g/mol

VQ-025558

Reference Standard

Epinastine chemical structure

CAS: 80012-43-7
Formula: C₁₆H₁₅N₃
MW: 249.31 g/mol

VQ-037028

Reference Standard

Epinastine Chloroacetamide Impurity chemical structure

Epinastine Chloroacetamide Impurity

CAS: 21535-43-3
Formula: C₁₅H₁₄ClNO
MW: 259.73 g/mol

VQ-045409

Reference Standard

Epinastine EP Impurity A chemical structure

Epinastine EP Impurity A

CAS: 706753-75-5
Formula: C₁₆H₁₃N₃
MW: 247.29 g/mol

VQ-028823

Reference Standard

Epinastine EP Impurity B chemical structure

Epinastine EP Impurity B

CAS: 1217052-16-8
Formula: C₁₆H₁₄BrN₃
MW: 328.21 g/mol

VQ-025559

Reference Standard

Epinastine Hydrochloride chemical structure

Epinastine Hydrochloride

CAS: 108929-04-0
Formula: C₁₆H₁₆ClN₃
MW: 285.77 g/mol

VQ-022544

Reference Standard

Epinastine Hydrochloride Impurity A chemical structure

Epinastine Hydrochloride Impurity A

CAS: 141342-70-3
Formula: C₁₆H₁₄ClN₃
MW: 283.75 g/mol

VQ-037026

Reference Standard

Epinephrine 4-O-Sulfate chemical structure

Epinephrine 4-O-Sulfate

CAS: 85927-06-6
Formula: C₉H₁₃NO₆S
MW: 263.27 g/mol

VQ-029044

Reference Standard

Epinephrine 5- benzenesulfonic acid chemical structure

Epinephrine 5- benzenesulfonic acid

CAS: 2469755-95-9
Formula: C₉H₁₃NO₆S
MW: 263.27 g/mol

VQ-029048

Reference Standard

Epinephrine 6-benzenesulfonic acid

Epinephrine 6-benzenesulfonic acid

CAS: 2731964-60-4
Formula: C₉H₁₃NO₆S
MW: 263.27 g/mol

VQ-029047

Reference Standard

Epinephrine Glucuronide chemical structure

Epinephrine Glucuronide

CAS: 54964-61-3
Formula: C₁₅H₂₁NO₉
MW: 359.33 g/mol

VQ-044603

Reference Standard

Epinephrine Impuirty 4 chemical structure

Epinephrine Impuirty 4

CAS: 2518001-66-4
Formula: C₁₆H₂₀Cl₂N₂O₄
MW: 375.2 g/mol

VQ-032204

Reference Standard

Epinephrine Impurity 14

Epinephrine Impurity 14

CAS: 73917-92-7
Formula: C₉H₁₃NO₄
MW: 199.2 g/mol

VQ-035471

Reference Standard

Epinephrine Impurity 17

Epinephrine Impurity 17

CAS: 2251033-82-4
Formula: C₃₅H₃₀O₁₆
MW: 706.6 g/mol

VQ-047340

Reference Standard

Epinephrine Sulfate chemical structure

Epinephrine Sulfate

CAS: 21093-18-5
Formula: C₉H₁₃NO₆S
MW: 263.27 g/mol

VQ-024148

Reference Standard

Epinephrine Sulfate chemical structure

Epinephrine Sulfate

CAS: 77469-50-2
Formula: C₉H₁₃NO₆S
MW: 263.27 g/mol

VQ-047343

Reference Standard

Epinephrine-d3 chemical structure

CAS: 1217733-17-9
Formula: C₉H₁₃NO₃
MW: 186.22 g/mol

VQ-035630

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