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Impurities & Reference Standards

API Impurities

Source 1942 api impurities for research, QC and production, documented with COA and SDS.

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Reference Standard

Argatroban Ethyl Sulfonate Impurity

Argatroban Ethyl Sulfonate Impurity

CAS: 2826316-00-9
Formula: C₁₂H₁₃NO₃S
MW: 251.3 g/mol

VQ-047443

Reference Standard

Argatroban Impurity 11 Hydrochloride

Argatroban Impurity 11 Hydrochloride

CAS: 1448301-04-9
Formula: C₁₃H₂₄N₆O₅.HCl
MW: 380.8 g/mol

VQ-047444

Reference Standard

Argatroban Impurity 3 chemical structure

Argatroban Impurity 3

CAS: 1448417-84-2
Formula: C₁₃H₂₄N₆O₅
MW: 344.37 g/mol

VQ-047442

Reference Standard

Argatroban Impurity 4 chemical structure

Argatroban Impurity 4

CAS: 153886-68-1
Formula: C₁₀H₁₃NO₃S
MW: 227.28 g/mol

VQ-021615

Reference Standard

Argatroban RC 9 (Base) chemical structure

Argatroban RC 9 (Base)

CAS: 79672-38-1
Formula: C₁₅H₂₈N₆O₅
MW: 372.42 g/mol

VQ-035536

Reference Standard

Argatroban related compound B chemical structure

Argatroban related compound B

CAS: 74874-08-1
Formula: C₁₅H₂₉ClN₆O₅
MW: 408.88 g/mol

VQ-029213

Reference Standard

Arginine - Impurity A (Calcium Salt) chemical structure

Arginine - Impurity A (Calcium Salt)

CAS: 6150-68-1
Formula: C₁₂H₂₆CaN₄O₄
MW: 330.44 g/mol

VQ-047445

Reference Standard

Argipressin chemical structure

CAS: 113-79-1
Formula: C₄₆H₆₅N₁₅O₁₂S₂
MW: 1084.2 g/mol

VQ-034554

Reference Standard

Aripiprazole 3,4-Dichloro Impurity chemical structure

Aripiprazole 3,4-Dichloro Impurity

CAS: 203395-75-9
Formula: C₂₃H₂₇Cl₂N₃O₂
MW: 448.4 g/mol

VQ-020824

Reference Standard

Aripiprazole Bis-chloropropanoyl Impurity chemical structure

Aripiprazole Bis-chloropropanoyl Impurity

CAS: 2250243-33-3
Formula: C₁₂H₁₃Cl₂NO₃
MW: 290.14 g/mol

VQ-024362

Reference Standard

Aripiprazole Bromobutoxyquinoline Impurity chemical structure

Aripiprazole Bromobutoxyquinoline Impurity

CAS: 129722-34-5
Formula: C₁₃H₁₆BrNO₂
MW: 298.18 g/mol

VQ-020669

Reference Standard

Aripiprazole Hydroxybutyl Impurity chemical structure

Aripiprazole Hydroxybutyl Impurity

CAS: 870765-38-1
Formula: C₁₄H₂₀Cl₂N₂O
MW: 303.2 g/mol

VQ-020677

Reference Standard

Aripiprazole Impurity 11 chemical structure

Aripiprazole Impurity 11

CAS: 2748381-51-1
Formula: C₂₄H₃₀Cl₄N₄
MW: 516.3 g/mol

VQ-035791

Reference Standard

Aripiprazole Impurity 42 chemical structure

Aripiprazole Impurity 42

CAS: 1429493-91-3
Formula: C₁₀H₁₁NO₂
MW: 177.2 g/mol

VQ-047448

Reference Standard

Aripiprazole Impurity 46 chemical structure

Aripiprazole Impurity 46

CAS: 519138-48-8
Formula: C₂₂H₂₆Cl₄N₄
MW: 488.3 g/mol

VQ-035788

Reference Standard

Aripiprazole Impurity 46

Aripiprazole Impurity 46

CAS: 869856-12-2
Formula: C₂₀H₂₅Cl₂N₃O
MW: 394.34 g/mol

VQ-047449

Reference Standard

Aripiprazole Impurity 47

Aripiprazole Impurity 47

CAS: 869856-14-4
Formula: C₂₃H₂₈Cl₃N₃O₂
MW: 484.85 g/mol

VQ-047450

Reference Standard

Aripiprazole Impurity 51 chemical structure

Aripiprazole Impurity 51

CAS: 69601-46-3
Formula: C₁₀H₁₁NO₂
MW: 177.2 g/mol

VQ-047451

Reference Standard

Aripiprazole Impurity 55 chemical structure

Aripiprazole Impurity 55

CAS: 203395-79-3
Formula: C₂₃H₂₇Cl₂N₃O₂
MW: 448.4 g/mol

VQ-044812

Reference Standard

Aripiprazole Impurity 56

Aripiprazole Impurity 56

CAS: 1352726-42-1
Formula: C₃₅H₄₉Cl₂N₃O₃
MW: 630.7 g/mol

VQ-044680

Reference Standard

Aripiprazole Impurity 7 chemical structure

Aripiprazole Impurity 7

CAS: 2514942-62-0
Formula: C₁₀H₁₃Cl₃N₂
MW: 267.6 g/mol

VQ-004440

Reference Standard

Aripiprazole Impurity 7 Hydrochloride chemical structure

Aripiprazole Impurity 7 Hydrochloride

CAS: 2748335-71-7
Formula: C₁₀H₁₄Cl₄N₂
MW: 304 g/mol

VQ-004441

Reference Standard

Aripiprazole Inhouse Impurity G

Aripiprazole Inhouse Impurity G

CAS: 129722-20-9
Formula: C₂₃H₂₇Cl₂N₃O₂
MW: 448.4 g/mol

VQ-044032

Reference Standard

Aripiprazole Iodo Impurity chemical structure

Aripiprazole Iodo Impurity

CAS: 952308-47-3
Formula: C₁₃H₁₆INO₂
MW: 345.18 g/mol

VQ-020820

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