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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

Sitagliptin Pyrazinone Hydrochloride Impurity

Sitagliptin Pyrazinone Hydrochloride Impurity

Formula: C₆H₅F₃N₄O.ClH
MW: 242.59 g/mol

In stock

Reference Standard

Sitagliptin Pyrazinone Impurity chemical structure

Sitagliptin Pyrazinone Impurity

CAS: 877402-45-4
Formula: C₆H₅F₃N₄O
MW: 206.13 g/mol

VQ-005939

Reference Standard

Sitagliptin Triazole Impurity chemical structure

Sitagliptin Triazole Impurity

CAS: 486460-21-3
Formula: C₆H₇F₃N₄
MW: 192.14 g/mol

VQ-005940

Reference Standard

Sitagliptin WS chemical structure

CAS: 486460-32-6
Formula: C₁₆H₁₅F₆N₅O
MW: 407.31 g/mol

In stock

Reference Standard

Sitagliptin-d4 phosphate chemical structure

Sitagliptin-d4 phosphate

CAS: 1432063-88-1
Formula: C₁₆H₁₈F₆N₅O₅P
MW: 509.33 g/mol

VQ-042199

Reference Standard

Sitagliptin-N-sulfate chemical structure

Sitagliptin-N-sulfate

CAS: 940002-57-3
Formula: C₁₆H₁₅F₆N₅O₄S
MW: 487.4 g/mol

VQ-033888

Reference Standard

Sitostanol chemical structure

CAS: 83-45-4
Formula: C₂₉H₅₂O
MW: 416.7 g/mol

VQ-042270

Reference Standard

Sitravatinib(MGCD 516) chemical structure

Sitravatinib(MGCD 516)

CAS: 1123837-84-2
Formula: C₃₃H₂₉F₂N₅O₄S
MW: 629.7 g/mol

VQ-043891

Reference Standard

SN-38 Glucuronide chemical structure

SN-38 Glucuronide

CAS: 121080-63-5
Formula: C₂₈H₂₈N₂O₁₁
MW: 568.5 g/mol

VQ-031243

Reference Standard

Sn-Glycero-3-phosphocholine chemical structure

Sn-Glycero-3-phosphocholine

CAS: 28319-77-9
Formula: C₈H₂₀NO₆P
MW: 257.22 g/mol

VQ-027103

Reference Standard

Sobrerol chemical structure

CAS: 498-71-5
Formula: C₁₀H₁₈O₂
MW: 170.25 g/mol

VQ-032837

Reference Standard

Sobrerol Impurity 1

Sobrerol Impurity 1

CAS: 6252-34-2
Formula: C₁₀H₁₈O₂
MW: 170.3 g/mol

VQ-044558

Reference Standard

Sodium chemical structure

CAS: 2064219-24-3
Formula: C₇H₁₀N₃NaO₆S
MW: 287.23 g/mol

VQ-024452

Reference Standard

Sodium chemical structure

CAS: 38899-05-7
Formula: C₁₂H₂₈Cl₂N₂Na₂O₁₄S
MW: 573.3 g/mol

VQ-026007

Reference Standard

Sodium (Z)-3-ethoxy-2-fluoro-3-oxoprop-1-en-1-olate chemical structure

Sodium (Z)-3-ethoxy-2-fluoro-3-oxoprop-1-en-1-olate

CAS: 10118-17-9
Formula: C₅H₆FNaO₃
MW: 156.09 g/mol

VQ-040086

Reference Standard

Sodium 1,3-dimethyl-2,6-dioxo-2,3,6,9-tetrahydro-1H-purine-8-sulfonate

Sodium 1,3-dimethyl-2,6-dioxo-2,3,6,9-tetrahydro-1H-purine-8-sulfonate

CAS: 108084-94-2
Formula: C₇H₇N₄NaO₅S
MW: 282.21 g/mol

VQ-030307

Reference Standard

Sodium 1,5-dimethyl-4-(4-methylbenzoyl)-1H-pyrrole-2-carboxylate

Sodium 1,5-dimethyl-4-(4-methylbenzoyl)-1H-pyrrole-2-carboxylate

CAS: 2512186-48-8
Formula: C₁₅H₁₄NNaO₃
MW: 279.27 g/mol

VQ-034320

Reference Standard

Sodium 2-((Hydroxymethyl)Amino)Acetate chemical structure

Sodium 2-((Hydroxymethyl)Amino)Acetate

CAS: 70161-44-3
Formula: C₃H₆NNaO₃
MW: 127.07 g/mol

VQ-039845

Reference Standard

Sodium 2,3-dihydroxypropyl ((R)-2-hydroxy-3-(stearoyloxy)propyl) phosphate chemical structure

Sodium 2,3-dihydroxypropyl ((R)-2-hydroxy-3-(stearoyloxy)propyl) phosphate

CAS: 326495-23-2
Formula: C₂₄H₄₈NaO₉P
MW: 534.6 g/mol

VQ-032600

Reference Standard

Sodium 4-((2-ethylhexyl)oxy)-1-methoxy-1,4-dioxobutane-2-sulfonate chemical structure

Sodium 4-((2-ethylhexyl)oxy)-1-methoxy-1,4-dioxobutane-2-sulfonate

CAS: 83930-08-9
Formula: C₁₃H₂₃NaO₇S
MW: 346.37 g/mol

VQ-044767

Reference Standard

Sodium 4-((2-ethylhexyl)oxy)-4-oxo-2-sulfonatobutanoate chemical structure

Sodium 4-((2-ethylhexyl)oxy)-4-oxo-2-sulfonatobutanoate

CAS: 96954-01-7
Formula: C₁₂H₂₀Na₂O₇S
MW: 354.33 g/mol

VQ-022416

Reference Standard

Sodium 4-(1,1-dimethyl-2-oxo-1,2-dihydro-3H-benzo[e]indol-3-yl)butane-1-sulfonate chemical structure

Sodium 4-(1,1-dimethyl-2-oxo-1,2-dihydro-3H-benzo[e]indol-3-yl)butane-1-sulfonate

CAS: 2776202-53-8
Formula: C₁₈H₂₁NO₄S
MW: 347.4 g/mol

VQ-031203

Reference Standard

Sodium 4-(2-Ethylhexyl) 2-Sulfobutanedioate Ethyl Ester chemical structure

Sodium 4-(2-Ethylhexyl) 2-Sulfobutanedioate Ethyl Ester

CAS: 2575516-71-9
Formula: C₁₄H₂₅NaO₇S
MW: 360.4 g/mol

VQ-022418

Reference Standard

Sodium 4-(3-(3-fluorophenyl)-5,5-dimethyl-4-oxo-4,5-dihydrofuran-2-yl)benzenesulfinate chemical structure

Sodium 4-(3-(3-fluorophenyl)-5,5-dimethyl-4-oxo-4,5-dihydrofuran-2-yl)benzenesulfinate

CAS: 1778703-67-5
Formula: C₁₈H₁₄FNaO₄S
MW: 368.4 g/mol

VQ-027547

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