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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

Di(cefuroxime Ethyl) Ether chemical structure

Di(cefuroxime Ethyl) Ether

CAS: 1202925-10-7
Formula: C₃₆H₃₈N₈O₁₇S₂
MW: 918.9 g/mol

VQ-022119

Reference Standard

Diacerein EP Impurity C (Rhein) chemical structure

Diacerein EP Impurity C (Rhein)

CAS: 478-43-3
Formula: C₁₅H₈O₆
MW: 284.22 g/mol

VQ-022355

Reference Standard

Diacerein EP Impurity D chemical structure

Diacerein EP Impurity D

CAS: 875535-35-6
Formula: C₁₇H₁₀O₇
MW: 326.26 g/mol

VQ-022357

Reference Standard

Diacerein EP Impurity E chemical structure

Diacerein EP Impurity E

CAS: 875535-36-7
Formula: C₁₇H₁₀O₇
MW: 326.26 g/mol

VQ-022356

Reference Standard

Diacerein EP Impurity F chemical structure

Diacerein EP Impurity F

CAS: 13928-72-8
Formula: C₃₅H₃₆O₁₆
MW: 712.6 g/mol

VQ-025280

Reference Standard

Diacerein EP Impurity G chemical structure

Diacerein EP Impurity G

CAS: 64951-96-8
Formula: C₃₇H₃₈O₁₇
MW: 754.7 g/mol

VQ-025281

Reference Standard

Diacerein EP Impurity H chemical structure

Diacerein EP Impurity H

CAS: 25395-11-3
Formula: C₂₁H₁₆O₈
MW: 396.3 g/mol

VQ-021504

Reference Standard

Diacerein-13C6 chemical structure

CAS: 1391052-74-6
Formula: C₁₉H₁₂O₈
MW: 374.25 g/mol

VQ-036663

Reference Standard

Diacerein-d6 chemical structure

CAS: 1325559-27-0
Formula: C₁₉H₁₂O₈
MW: 374.3 g/mol

VQ-030167

Reference Standard

Diacetin chemical structure

CAS: 25395-31-7
Formula: C₇H₁₂O₅
MW: 176.17 g/mol

VQ-027116

Reference Standard

Diacetyl Boldine chemical structure

Diacetyl Boldine

CAS: 72584-75-9
Formula: C₂₃H₂₅NO₆
MW: 411.4 g/mol

VQ-039174

Reference Standard

Diacetylbiopterin chemical structure

Diacetylbiopterin

CAS: 62933-57-7
Formula: C₁₃H₁₅N₅O₅
MW: 321.29 g/mol

VQ-027980

Reference Standard

Diafenthiuron chemical structure

CAS: 80060-09-9
Formula: C₂₃H₃₂N₂OS
MW: 384.6 g/mol

VQ-030168

Reference Standard

Diaminodihydroxyplatinum

Diaminodihydroxyplatinum

CAS: 63700-88-9
Formula: H₈N₂O₂Pt
MW: 263.15 g/mol

VQ-036154

Reference Standard

Diamminediiodoplatinum chemical structure

Diamminediiodoplatinum

CAS: 13841-96-8
Formula: H₆I₂N₂Pt
MW: 482.95 g/mol

VQ-029644

Reference Standard

Dianhydro Idarubicinaglycone chemical structure

Dianhydro Idarubicinaglycone

CAS: 84499-12-7
Formula: C₂₀H₁₂O₅
MW: 332.3 g/mol

VQ-034966

Reference Standard

Dianhydrodaunomycinone chemical structure

Dianhydrodaunomycinone

CAS: 32434-04-1
Formula: C₂₁H₁₄O₆
MW: 362.3 g/mol

VQ-025213

Reference Standard

Diatrizoate Meglumine chemical structure

Diatrizoate Meglumine

CAS: 131-49-7
Formula: C₁₈H₂₆I₃N₃O₉
MW: 809.1 g/mol

VQ-038286

Reference Standard

Diatrizoate Sodium chemical structure

Diatrizoate Sodium

CAS: 737-31-5
Formula: C₁₁H₈I₃N₂NaO₄
MW: 635.89 g/mol

VQ-030169

Reference Standard

Diatrizoic Acid Dihydrate chemical structure

Diatrizoic Acid Dihydrate

CAS: 50978-11-5
Formula: C₁₁H₁₃I₃N₂O₆
MW: 649.94 g/mol

VQ-022358

Reference Standard

Diaveridine chemical structure

CAS: 5355-16-8
Formula: C₁₃H₁₆N₄O₂
MW: 260.29 g/mol

VQ-030170

Reference Standard

Diaveridine Hydrochloride chemical structure

Diaveridine Hydrochloride

CAS: 2507-23-5
Formula: C₁₃H₁₇ClN₄O₂
MW: 296.75 g/mol

VQ-036664

Reference Standard

Diazepam chemical structure

CAS: 439-14-5
Formula: C₁₆H₁₃ClN₂O
MW: 284.74 g/mol

VQ-045074

Reference Standard

Diazepam D5 chemical structure

CAS: 65854-76-4
Formula: C₁₆H₁₃ClN₂O
MW: 289.77 g/mol

VQ-030171

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