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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

Saxagliptin Impurity 49 chemical structure

Saxagliptin Impurity 49

CAS: 214193-11-0
Formula: C₁₃H₂₁NO₄
MW: 255.31 g/mol

VQ-044651

Reference Standard

Saxagliptin Impurity KSM-2 chemical structure

Saxagliptin Impurity KSM-2

CAS: 709031-45-8
Formula: C₆H₁₀N₂O
MW: 126.16 g/mol

VQ-033777

Reference Standard

Saxagliptin O-Sulfate chemical structure

Saxagliptin O-Sulfate

CAS: 1429782-94-4
Formula: C₁₈H₂₅N₃O₅S
MW: 395.5 g/mol

VQ-044164

Reference Standard

Saxagliptin RRR Isomer chemical structure

Saxagliptin RRR Isomer

CAS: 1312338-82-1
Formula: C₇H₁₄N₂O₄S
MW: 222.26 g/mol

VQ-035238

Reference Standard

Saxagliptin WS chemical structure

CAS: 361442-04-8
Formula: C₁₈H₂₅N₃O₂
MW: 315.4 g/mol

In stock

Reference Standard

Saxagliptin-15N,d2 Hydrochloride chemical structure

Saxagliptin-15N,d2 Hydrochloride

CAS: 1309934-06-2
Formula: C₁₈H₂₆ClN₃O₂
MW: 354.9 g/mol

VQ-042118

Reference Standard

Saxitoxin chemical structure

CAS: 35523-89-8
Formula: C₁₀H₁₇N₇O₄
MW: 299.29 g/mol

VQ-041047

Reference Standard

Saxitoxin Dihydrochloride chemical structure

Saxitoxin Dihydrochloride

CAS: 35554-08-6
Formula: C₁₀H₁₉Cl₂N₇O₄
MW: 372.21 g/mol

VQ-041048

Reference Standard

Schisandrin B chemical structure

CAS: 61281-37-6
Formula: C₂₃H₂₈O₆
MW: 400.5 g/mol

VQ-040821

Reference Standard

Scopine chemical structure

CAS: 498-45-3
Formula: C₈H₁₃NO₂
MW: 155.19 g/mol

VQ-032842

Reference Standard

Scopine Hydrochloride chemical structure

Scopine Hydrochloride

CAS: 85700-55-6
Formula: C₈H₁₄ClNO₂
MW: 191.65 g/mol

VQ-034289

Reference Standard

Scopolamine chemical structure

CAS: 51-34-3
Formula: C₁₇H₂₁NO₄
MW: 303.35 g/mol

VQ-027992

Reference Standard

Scopolamine Hydrobromide chemical structure

Scopolamine Hydrobromide

CAS: 114-49-8
Formula: C₁₇H₂₂BrNO₄
MW: 384.3 g/mol

VQ-031112

Reference Standard

Scopolamine Hydrobromide Trihydrate chemical structure

Scopolamine Hydrobromide Trihydrate

CAS: 6533-68-2
Formula: C₁₇H₂₈BrNO₇
MW: 438.3 g/mol

VQ-022814

Reference Standard

Scopolamine N-Oxide chemical structure

Scopolamine N-Oxide

CAS: 97-75-6
Formula: C₁₇H₂₁NO₅
MW: 319.4 g/mol

VQ-027994

Reference Standard

Scopolamine Sulfate chemical structure

Scopolamine Sulfate

CAS: 866926-81-0
Formula: C₁₇H₂₁NO₇S
MW: 383.4 g/mol

VQ-033790

Reference Standard

Scopolamine-d3 Hydrobromide chemical structure

Scopolamine-d3 Hydrobromide

CAS: 1279037-70-5
Formula: C₁₇H₂₂BrNO₄
MW: 387.3 g/mol

VQ-043437

Reference Standard

Scopolamine-N-Oxide-Hydrobromide chemical structure

Scopolamine-N-Oxide-Hydrobromide

CAS: 6106-81-6
Formula: C₁₇H₂₂BrNO₅
MW: 400.3 g/mol

VQ-043193

Reference Standard

Scopolamine-β-D-Glucuronide chemical structure

Scopolamine-β-D-Glucuronide

CAS: 17660-02-5
Formula: C₂₃H₂₉NO₁₀
MW: 479.5 g/mol

VQ-031114

Reference Standard

Scopoline chemical structure

CAS: 487-27-4
Formula: C₈H₁₃NO₂
MW: 155.19 g/mol

VQ-033791

Reference Standard

Scopoline Methobromide chemical structure

Scopoline Methobromide

CAS: 845870-40-8
Formula: C₉H₁₆BrNO₂
MW: 250.13 g/mol

VQ-021352

Reference Standard

Sebaloxavir Marboxil chemical structure

Sebaloxavir Marboxil

CAS: 2581298-44-2
Formula: C₂₇H₂₃F₂N₃O₇Se
MW: 618.5 g/mol

VQ-047523

Reference Standard

Sebetralstat chemical structure

CAS: 1933514-13-6
Formula: C₂₆H₂₆FN₅O₄
MW: 491.5 g/mol

VQ-040432

Reference Standard

Sec-Butyl Chloroacetate

Sec-Butyl Chloroacetate

CAS: 17696-64-9
Formula: C₆H₁₁ClO₂
MW: 150.6 g/mol

VQ-043477

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