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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

Relugolix Benzyl Impurity

Relugolix Benzyl Impurity

Formula: C₂₄H₂₅N₃O₆S
MW: 483.54 g/mol

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Reference Standard

Relugolix Benzyl Impurity (Stage-1)

Relugolix Benzyl Impurity (Stage-1)

Formula: C₂₄H₂₄N₂O₆S
MW: 468.52 g/mol

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Reference Standard

Relugolix Benzyl Impurity (Stage-2)

Relugolix Benzyl Impurity (Stage-2)

Formula: C₂₄H₂₃BrN₂O₆S
MW: 547.42 g/mol

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Reference Standard

Relugolix Chloro Impurity

Relugolix Chloro Impurity

CAS: 737790-51-1
Formula: C₂₇H₂₁ClF₂N₆O₅S
MW: 615.01 g/mol

VQ-028937

Reference Standard

Relugolix Des Methyl Impurity Stage-I chemical structure

Relugolix Des Methyl Impurity Stage-I

CAS: 308831-94-9
Formula: C₂₄H₂₂F₂N₂O₆S
MW: 504.5 g/mol

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Reference Standard

Relugolix Des Methyl Impurity Stage-VII

Relugolix Des Methyl Impurity Stage-VII

Formula: C₃₁H₂₈F₂N₆O₇S
MW: 666.65 g/mol

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Reference Standard

Relugolix Des-Fluoro Nitro Intermediate (Stage-1)/Relugolix 2-Fluoro Benzyl Impurity (Stage-1)

Relugolix Des-Fluoro Nitro Intermediate (Stage-1)/Relugolix 2-Fluoro Benzyl Impurity (Stage-1)

Formula: C₂₄H₂₃FN₂O₆S
MW: 486.51 g/mol

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Reference Standard

Relugolix Impurity 34 chemical structure

Relugolix Impurity 34

CAS: 1589503-95-6
Formula: C₂₄H₂₃F₂N₃O₆S
MW: 519.5 g/mol

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Reference Standard

Relugolix Impurity 5 chemical structure

Relugolix Impurity 5

CAS: 1589504-01-7
Formula: C₃₁H₃₀F₂N₈O₇S
MW: 696.7 g/mol

VQ-033487

Reference Standard

Relugolix Impurity 61 chemical structure

Relugolix Impurity 61

CAS: 2814571-32-7
Formula: C₂₆H₂₄F₂N₆O₄S
MW: 554.6 g/mol

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Reference Standard

Relugolix Impurity A

Relugolix Impurity A

CAS: 2924011-35-6
Formula: C₃₀H₂₉F₂N₇O₄S
MW: 621.66 g/mol

VQ-005736

Reference Standard

Relugolix Impurity B chemical structure

Relugolix Impurity B

CAS: 1589503-93-4
Formula: C₂₇H₂₄F₂N₆O₃S
MW: 550.6 g/mol

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Reference Standard

Relugolix Impurity-1

Relugolix Impurity-1

Formula: C₂₇H₂₅FN₆O₃S
MW: 532.59 g/mol

VQ-005738

Reference Standard

Relugolix Impurity-2

Relugolix Impurity-2

Formula: C₂₇H₂₆N₆O₃S
MW: 514.6 g/mol

VQ-005739

Reference Standard

Relugolix Impurity-20 (Stage-V) chemical structure

Relugolix Impurity-20 (Stage-V)

CAS: 2767571-66-2
Formula: C₂₆H₂₆F₂N₆O₂S
MW: 524.6 g/mol

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Reference Standard

Relugolix Impurity-3

Relugolix Impurity-3

Formula: C₂₃H₂₃F₂N₃O₄S
MW: 475.51 g/mol

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Reference Standard

Relugolix Impurity-48

Relugolix Impurity-48

Formula: C₅₆H₄₇F₄N₁₃O₈S₂
MW: 1170.18 g/mol

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Reference Standard

Relugolix NH-OH Impurity (Formate Salt)

Relugolix NH-OH Impurity (Formate Salt)

Formula: C₂₇H₂₄F₂N₆O₄S.CH₂O₂
MW: 612.61 g/mol

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Reference Standard

Relugolix NH-OH Impurity (N-1Stage) chemical structure

Relugolix NH-OH Impurity (N-1Stage)

CAS: 1589503-96-7
Formula: C₂₇H₂₂F₂N₆O₅S
MW: 580.6 g/mol

VQ-005744

Reference Standard

Relugolix NH-OH Impurity (Stage-1) chemical structure

Relugolix NH-OH Impurity (Stage-1)

CAS: 1589503-94-5
Formula: C₆₇H₆₅BrN₇O₁₄PS₄
MW: 1431.4 g/mol

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Reference Standard

Relugolix Urea Dimer Impurity chemical structure

Relugolix Urea Dimer Impurity

CAS: 2814571-36-1
Formula: C₅₅H₄₆F₄N₁₂O₇S₂
MW: 1127.2 g/mol

VQ-027768

Reference Standard

Remdesivir Diastereomer Impurity chemical structure

Remdesivir Diastereomer Impurity

CAS: 1911578-75-0
Formula: C₂₇H₃₅N₆O₈P
MW: 602.6 g/mol

VQ-005746

Reference Standard

Remdesivir Impurity 20 chemical structure

Remdesivir Impurity 20

CAS: 1884576-18-4
Formula: C₃₀H₃₉N₆O₈P
MW: 642.6 g/mol

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Reference Standard

Remdesivir O-Desphosphate Acetonide Impurity chemical structure

Remdesivir O-Desphosphate Acetonide Impurity

CAS: 1191237-80-5
Formula: C₁₅H₁₇N₅O₄
MW: 331.33 g/mol

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