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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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1,516in stock

COA + SDSwith every lot

Reference Standard

Plerixafor Impurity Stage-3 chemical structure

Plerixafor Impurity Stage-3

CAS: 214078-93-0
Formula: C₂₄H₃₆N₄
MW: 380.6 g/mol

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Reference Standard

Plerixafor Impurity Stage-4

Plerixafor Impurity Stage-4

Formula: C₃₄H₅₂N₄O₄
MW: 580.8 g/mol

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Reference Standard

Plerixafor Impurity Stage-5

Plerixafor Impurity Stage-5

CAS: 170161-29-2
Formula: C₂₀H₄₀N₄O₄
MW: 400.56 g/mol

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Reference Standard

Plerixafor Impurity-9 (Stage-I)

Plerixafor Impurity-9 (Stage-I)

Formula: C₁₂H₂₂N₄O₂
MW: 254.33 g/mol

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Reference Standard

Plerixafor Impurity-B

Plerixafor Impurity-B

Formula: C₃₆H₆₀N_8.8ClH
MW: 896.61 g/mol

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Reference Standard

Plerixafor Impurity-B (n-1) Stage

Plerixafor Impurity-B (n-1) Stage

Formula: C₅₆H₉₂N₈O₈
MW: 1005.38 g/mol

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Reference Standard

Plerixafor Keto Impurity (Hydrochloride)

Plerixafor Keto Impurity (Hydrochloride)

Formula: C₁₈H₃₀N₄O.ClH
MW: 354.92 g/mol

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Reference Standard

Plerixafor Methyl hydrobromide Impurity

Plerixafor Methyl hydrobromide Impurity

CAS: 166302-94-9
Formula: C₁₈H₃₂N_4.4BrH
MW: 628.11 g/mol

VQ-005569

Reference Standard

Plerixafor Methyl Impurity chemical structure

Plerixafor Methyl Impurity

CAS: 351472-73-6
Formula: C₁₈H₃₂N₄
MW: 304.5 g/mol

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Reference Standard

Plerixafor Tri Boc Impurity chemical structure

Plerixafor Tri Boc Impurity

CAS: 170161-27-0
Formula: C₂₅H₄₈N₄O₆
MW: 500.7 g/mol

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Reference Standard

Pleuromutilin chemical structure

CAS: 125-65-5
Formula: C₂₂H₃₄O₅
MW: 378.5 g/mol

VQ-034212

Reference Standard

Podophyllotoxone chemical structure

Podophyllotoxone

CAS: 477-49-6
Formula: C₂₂H₂₀O₈
MW: 412.4 g/mol

VQ-030625

Reference Standard

Polidronium Chloride chemical structure

Polidronium Chloride

CAS: 75345-27-6
Formula: C₂₂H₄₈Cl₃N₃O₆
MW: 557 g/mol

VQ-038880

Reference Standard

Polmacoxib Impurity 1 chemical structure

Polmacoxib Impurity 1

CAS: 301693-50-5
Formula: C₁₉H₁₇FO₂S
MW: 328.4 g/mol

VQ-033242

Reference Standard

Polmacoxib Impurity 2 chemical structure

Polmacoxib Impurity 2

CAS: 301693-70-9
Formula: C₁₉H₁₇FO₃S
MW: 344.4 g/mol

VQ-033243

Reference Standard

Polmacoxib Impurity 3 chemical structure

Polmacoxib Impurity 3

CAS: 301690-25-5
Formula: C₁₉H₁₇FO₄S
MW: 360.4 g/mol

VQ-033241

Reference Standard

Polmacoxib Impurity 6 chemical structure

Polmacoxib Impurity 6

CAS: 301693-28-7
Formula: C₁₈H₁₆FNO₄S
MW: 361.4 g/mol

VQ-045424

Reference Standard

Polymyxin B1 chemical structure

CAS: 4135-11-9
Formula: C₅₆H₉₈N₁₆O₁₃
MW: 1203.5 g/mol

VQ-027549

Reference Standard

Polymyxin B1-I chemical structure

CAS: 811435-10-6
Formula: C₅₆H₉₈N₁₆O₁₃
MW: 1203.5 g/mol

VQ-033244

Reference Standard

Polymyxin B2 chemical structure

CAS: 34503-87-2
Formula: C₅₅H₉₆N₁₆O₁₃
MW: 1189.5 g/mol

VQ-027550

Reference Standard

Polymyxin B3 chemical structure

CAS: 71140-58-4
Formula: C₅₅H₉₆N₁₆O₁₃
MW: 1189.5 g/mol

VQ-027551

Reference Standard

Pomalidomide Hydroxylamine Impurity chemical structure

Pomalidomide Hydroxylamine Impurity

CAS: 497147-11-2
Formula: C₁₃H₁₁N₃O₅
MW: 289.24 g/mol

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Reference Standard

Pomalidomide Hydroxylamine Impurity (S-Isomer)

Pomalidomide Hydroxylamine Impurity (S-Isomer)

CAS: 497146-89-1
Formula: C₁₃H₁₁N₃O₅
MW: 289.24 g/mol

VQ-005573

Reference Standard

Pomalidomide Impurity 12 chemical structure

Pomalidomide Impurity 12

CAS: 1001852-15-8
Formula: C₁₃H₁₃N₃O₅
MW: 291.26 g/mol

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