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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.

27,990products

6sub-categories

2,746in stock

COA + SDSwith every lot

API Impurities 14,098 Pharmacopeial Impurities (EP / USP / BP) 4,399 Nitrosamine Impurities 631 Stable Isotope Labelled Standards (Deuterated, 13C, 15N) 1,504 Metabolites & Degradation Products 3,922 API Reference Standards 3,436

Reference Standard

Quinapril Impurity 2 (Freebase) chemical structure

Quinapril Impurity 2 (Freebase)

CAS: 77497-96-2
Formula: C₁₇H₁₇NO₂
MW: 267.32 g/mol

VQ-005675

Reference Standard

Quinapril Impurity 2 (Hydrochloride) chemical structure

Quinapril Impurity 2 (Hydrochloride)

CAS: 103733-30-8
Formula: C₁₇H₁₈ClNO₂
MW: 303.8 g/mol

In stock

Reference Standard

Quinapril Impurity-I (Stage-III)

Quinapril Impurity-I (Stage-III)

Formula: C₂₂H₂₇NO₄
MW: 369.45 g/mol

In stock

Reference Standard

Quinapril Impurity-I (Stage-IV) chemical structure

Quinapril Impurity-I (Stage-IV)

CAS: 84324-12-9
Formula: C₁₅H₂₁NO₄
MW: 279.33 g/mol

In stock

Reference Standard

Quinapril Impurity-I(stage-I) chemical structure

Quinapril Impurity-I(stage-I)

CAS: 74094-05-6
Formula: C₁₀H₁₂O₃
MW: 180.2 g/mol

In stock

Reference Standard

Quinapril Methyl Ester chemical structure

Quinapril Methyl Ester

CAS: 118194-43-7
Formula: C₂₄H₂₈N₂O₅
MW: 424.5 g/mol

VQ-023597

Reference Standard

Quinapril-d5 chemical structure

CAS: 1279029-79-6
Formula: C₂₅H₃₀N₂O₅
MW: 443.5 g/mol

VQ-041798

Reference Standard

Quinaprilat-d5 chemical structure

CAS: 1279034-23-9
Formula: C₂₃H₂₆N₂O₅
MW: 415.5 g/mol

VQ-033410

Reference Standard

Quinapyramine Chloride Hydrochloride chemical structure

Quinapyramine Chloride Hydrochloride

CAS: 23609-65-6
Formula: C₁₇H₂₂Cl₂N₆
MW: 381.3 g/mol

VQ-033411

Reference Standard

Quinapyramine Sulfate chemical structure

Quinapyramine Sulfate

CAS: 3270-78-8
Formula: C₁₉H₂₈N₆O₈S₂
MW: 532.6 g/mol

VQ-044787

Reference Standard

Quinbolone chemical structure

CAS: 2487-63-0
Formula: C₂₄H₃₂O₂
MW: 352.5 g/mol

VQ-041799

Reference Standard

Quinfamide chemical structure

CAS: 62265-68-3
Formula: C₁₆H₁₃Cl₂NO₄
MW: 354.2 g/mol

VQ-033398

Reference Standard

Quinidine chemical structure

CAS: 56-54-2
Formula: C₂₀H₂₄N₂O₂
MW: 324.4 g/mol

VQ-027704

Reference Standard

Quinidine Gluconate chemical structure

Quinidine Gluconate

CAS: 7054-25-3
Formula: C₂₆H₃₆N₂O₉
MW: 520.6 g/mol

VQ-041802

Reference Standard

Quinidine N-Oxide chemical structure

Quinidine N-Oxide

CAS: 70116-00-6
Formula: C₂₀H₂₄N₂O₃
MW: 340.4 g/mol

VQ-033412

Reference Standard

Quinidine Sulfate Dihydrate chemical structure

Quinidine Sulfate Dihydrate

CAS: 6591-63-5
Formula: C₄₀H₅₄N₄O₁₀S
MW: 782.9 g/mol

VQ-027703

Reference Standard

Quinidine sulphate chemical structure

Quinidine sulphate

CAS: 50-54-4
Formula: C₄₀H₅₀N₄O₈S
MW: 746.9 g/mol

VQ-041801

Reference Standard

Quinidine-d3 chemical structure

CAS: 1267657-68-0
Formula: C₂₀H₂₄N₂O₂
MW: 327.4 g/mol

VQ-041803

Reference Standard

Quinine Bisulfate chemical structure

Quinine Bisulfate

CAS: 549-56-4
Formula: C₂₀H₂₆N₂O₆S
MW: 422.5 g/mol

VQ-041800

Reference Standard

Quinine Hydrochloride Dihydrate chemical structure

Quinine Hydrochloride Dihydrate

CAS: 6119-47-7
Formula: C₂₀H₂₉ClN₂O₄
MW: 396.9 g/mol

VQ-033413

Reference Standard

Quinine Sulfate Dihydrate chemical structure

Quinine Sulfate Dihydrate

CAS: 6119-70-6
Formula: C₄₀H₅₄N₄O₁₀S
MW: 782.9 g/mol

VQ-019507

Reference Standard

Quininone chemical structure

CAS: 84-31-1
Formula: C₂₀H₂₂N₂O₂
MW: 322.4 g/mol

VQ-027707

Reference Standard

Quinocide chemical structure

CAS: 525-61-1
Formula: C₁₅H₂₁N₃O
MW: 259.35 g/mol

VQ-027627

Reference Standard

Quinolin-2(1H)-one chemical structure

Quinolin-2(1H)-one

CAS: 59-31-4
Formula: C₉H₇NO
MW: 145.16 g/mol

VQ-035792

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