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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

Tricholine citrate chemical structure

Tricholine citrate

CAS: 546-63-4
Formula: C₂₁H₄₇N₃O₁₀
MW: 501.6 g/mol

VQ-042672

Reference Standard

Triclabendazole EP Impurity A chemical structure

Triclabendazole EP Impurity A

CAS: 100648-13-3
Formula: C₁₄H₉Cl₃N₂O₂S
MW: 375.7 g/mol

VQ-028511

Reference Standard

Triclabendazole EP impurity B chemical structure

Triclabendazole EP impurity B

CAS: 68828-69-3
Formula: C₁₃H₇Cl₃N₂OS
MW: 345.6 g/mol

VQ-028512

Reference Standard

Triclabendazole EP Impurity D chemical structure

Triclabendazole EP Impurity D

CAS: 118353-04-1
Formula: C₁₂H₇Cl₃N₂O₃
MW: 333.5 g/mol

VQ-028514

Reference Standard

Triclabendazole Sulfone chemical structure

Triclabendazole Sulfone

CAS: 106791-37-1
Formula: C₁₄H₉Cl₃N₂O₃S
MW: 391.7 g/mol

VQ-028513

Reference Standard

Triclocarban USP Related Compound A chemical structure

Triclocarban USP Related Compound A

CAS: 1219-99-4
Formula: C₁₃H₁₀Cl₂N₂O
MW: 281.13 g/mol

VQ-034989

Reference Standard

Triclocarban USP Related Compound C chemical structure

Triclocarban USP Related Compound C

CAS: 4300-43-0
Formula: C₁₃H₈Cl₄N₂O
MW: 350 g/mol

VQ-034990

Reference Standard

Triclopyr chemical structure

CAS: 55335-06-3
Formula: C₇H₄Cl₃NO₃
MW: 256.5 g/mol

VQ-034427

Reference Standard

Tricyclazole chemical structure

CAS: 41814-78-2
Formula: C₉H₇N₃S
MW: 189.24 g/mol

VQ-039163

Reference Standard

Tricyclohexyltin Chloride chemical structure

Tricyclohexyltin Chloride

CAS: 3091-32-5
Formula: C₁₈H₃₃ClSn
MW: 403.6 g/mol

VQ-040218

Reference Standard

Tridemorph chemical structure

CAS: 24602-86-6
Formula: C₁₉H₃₉NO
MW: 297.5 g/mol

VQ-039406

Reference Standard

Tridocosahexaenoin chemical structure

Tridocosahexaenoin

CAS: 124596-98-1
Formula: C₆₉H₉₈O₆
MW: 1023.5 g/mol

VQ-032447

Reference Standard

Trientine Impurity 1 chemical structure

Trientine Impurity 1

CAS: 111-40-0
Formula: C₄H₁₃N₃
MW: 103.17 g/mol

In stock

Reference Standard

Trientine Impurity 2 chemical structure

Trientine Impurity 2

CAS: 4097-89-6
Formula: C₆H₁₈N₄
MW: 146.23 g/mol

In stock

Reference Standard

Trientine Impurity 3 chemical structure

Trientine Impurity 3

CAS: 140-31-8
Formula: C₆H₁₅N₃
MW: 129.2 g/mol

In stock

Reference Standard

Trientine Nitroso Dihydrochloride Impurity 2

Trientine Nitroso Dihydrochloride Impurity 2

Formula: C₆H₁₆N₆O_2.2ClH
MW: 277.15 g/mol

In stock

Reference Standard

Trientine Nitroso Impurity 1 chemical structure

Trientine Nitroso Impurity 1

CAS: 2817316-41-7
Formula: C₆H₁₇N₅O
MW: 175.23 g/mol

VQ-007057

Reference Standard

Trientine Nitroso Impurity 2 chemical structure

Trientine Nitroso Impurity 2

Formula: C₆H₁₆N₆O₂
MW: 204.23 g/mol

VQ-007058

Reference Standard

Trientine Nitroso Trihydrochloride Impurity 1

Trientine Nitroso Trihydrochloride Impurity 1

Formula: C₆H₁₇N₅O.3ClH
MW: 284.61 g/mol

In stock

Reference Standard

Trientine Tetrahydrochloride chemical structure

Trientine Tetrahydrochloride

CAS: 4961-40-4
Formula: C₆H₂₂Cl₄N₄
MW: 292.1 g/mol

VQ-034429

Reference Standard

Triethyl (2E)-3-Methyl-4-phosphonocrotonate chemical structure

Triethyl (2E)-3-Methyl-4-phosphonocrotonate

CAS: 39760-56-0
Formula: C₁₁H₂₁O₅P
MW: 264.25 g/mol

VQ-031294

Reference Standard

Triethyl (Z)-prop-1-ene-1,2,3-tricarboxylate chemical structure

Triethyl (Z)-prop-1-ene-1,2,3-tricarboxylate

CAS: 5349-99-5
Formula: C₁₂H₁₈O₆
MW: 258.27 g/mol

VQ-029792

Reference Standard

Triethylamine (1R,2R)-1

Triethylamine (1R,2R)-1

CAS: 2053891-28-2
Formula: C₆H₁₅N
MW: 329.3 g/mol

VQ-043303

Reference Standard

Triethylene glycol tosylate chemical structure

Triethylene glycol tosylate

CAS: 77544-68-4
Formula: C₁₃H₂₀O₆S
MW: 304.36 g/mol

VQ-048631

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