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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

Irbesartan Dimethyl Impurity chemical structure

Irbesartan Dimethyl Impurity

CAS: 141745-36-0
Formula: C₂₃H₂₆N₆O
MW: 402.5 g/mol

In stock

Reference Standard

Irbesartan EP Impurity A chemical structure

Irbesartan EP Impurity A

CAS: 748812-53-5
Formula: C₂₅H₃₀N₆O₂
MW: 446.5 g/mol

VQ-022859

Reference Standard

Irbesartan Impurity 10

Irbesartan Impurity 10

CAS: 2045222-13-5
Formula: C₂₅H₂₇N₃O
MW: 385.5 g/mol

In stock

Reference Standard

Irbesartan Impurity 14 chemical structure

Irbesartan Impurity 14

CAS: 133690-91-2
Formula: C₁₄H₁₀N₄
MW: 234.26 g/mol

In stock

Reference Standard

Irbesartan Impurity 18 chemical structure

Irbesartan Impurity 18

CAS: 2045222-12-4
Formula: C₂₅H₂₈N₆O
MW: 428.5 g/mol

VQ-037732

Reference Standard

Irbesartan Impurity 20 chemical structure

Irbesartan Impurity 20

CAS: 143618-44-4
Formula: C₃₃H₂₅N₇
MW: 519.6 g/mol

VQ-031235

Reference Standard

Irbesartan Impurity 4 chemical structure

Irbesartan Impurity 4

CAS: 15026-80-9
Formula: C₁₁H₁₉NO₃
MW: 213.27 g/mol

VQ-048702

Reference Standard

Irbesartan Impurity C chemical structure

Irbesartan Impurity C

CAS: 154709-19-0
Formula: C₁₄H₁₁NO
MW: 209.24 g/mol

VQ-026212

Reference Standard

Irbesartan N1 Trityl Impurity

Irbesartan N1 Trityl Impurity

CAS: 138402-10-5
Formula: C₄₄H₄₂N₆O
MW: 670.84 g/mol

VQ-037730

Reference Standard

Irbesartan Propyl Analog chemical structure

Irbesartan Propyl Analog

CAS: 158778-58-6
Formula: C₂₄H₂₆N₆O
MW: 414.5 g/mol

VQ-022862

Reference Standard

Irbesartan-Beta-D-Glucuronide chemical structure

Irbesartan-Beta-D-Glucuronide

CAS: 160205-58-3
Formula: C₃₁H₃₆N₆O₇
MW: 604.7 g/mol

VQ-031237

Reference Standard

Irbesartan-d3 chemical structure

CAS: 1185120-76-6
Formula: C₂₅H₂₈N₆O
MW: 431.5 g/mol

VQ-037735

Reference Standard

Irbesartan-d4 chemical structure

CAS: 1216883-23-6
Formula: C₂₅H₂₈N₆O
MW: 432.6 g/mol

VQ-031238

Reference Standard

Irbesartan-d7 chemical structure

CAS: 1329496-43-6
Formula: C₂₅H₂₈N₆O
MW: 435.6 g/mol

VQ-037736

Reference Standard

Irganox 1010 chemical structure

CAS: 6683-19-8
Formula: C₇₃H₁₀₈O₁₂
MW: 1177.6 g/mol

VQ-027315

Reference Standard

Irganox 1035 chemical structure

CAS: 41484-35-9
Formula: C₃₈H₅₈O₆S
MW: 642.9 g/mol

VQ-032572

Reference Standard

Irganox 1076 chemical structure

CAS: 2082-79-3
Formula: C₃₅H₆₂O₃
MW: 530.9 g/mol

VQ-027188

Reference Standard

Irganox 245 chemical structure

CAS: 36443-68-2
Formula: C₃₄H₅₀O₈
MW: 586.8 g/mol

VQ-039375

Reference Standard

Irganox 259 chemical structure

CAS: 35074-77-2
Formula: C₄₀H₆₂O₆
MW: 638.9 g/mol

VQ-027189

Reference Standard

Irinotecan Carboxylate Sodium Salt chemical structure

Irinotecan Carboxylate Sodium Salt

CAS: 1329502-92-2
Formula: C₃₃H₃₉N₄NaO₇
MW: 626.7 g/mol

VQ-031240

Reference Standard

Irinotecan EP Impurity A chemical structure

Irinotecan EP Impurity A

CAS: 103816-16-6
Formula: C₃₁H₃₄N₄O₆
MW: 558.6 g/mol

VQ-026216

Reference Standard

Irinotecan EP Impurity A chemical structure

Irinotecan EP Impurity A

CAS: 158406-44-1
Formula: C₃₁H₄₁ClN₄O₉
MW: 649.1 g/mol

VQ-035319

Reference Standard

Irinotecan EP Impurity B chemical structure

Irinotecan EP Impurity B

CAS: 19685-09-7
Formula: C₂₀H₁₆N₂O₅
MW: 364.4 g/mol

VQ-021052

Reference Standard

Irinotecan EP Impurity C chemical structure

Irinotecan EP Impurity C

CAS: 947687-02-7
Formula: C₃₅H₄₂N₄O₆
MW: 614.7 g/mol

VQ-022864

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