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Impurities & Reference Standards

Metabolites & Degradation Products

Source 200 metabolites & degradation products for research, QC and production, documented with COA and SDS.

3,922products

158in stock

COA + SDSwith every lot

Reference Standard

Aripiprazole Quinolinediol Impurity chemical structure

Aripiprazole Quinolinediol Impurity

CAS: 1391054-74-2
Formula: C₂₃H₂₉Cl₂N₃O₂
MW: 450.4 g/mol

VQ-024065

Reference Standard

Aromatic A-ring Ulipristal Acetate chemical structure

Aromatic A-ring Ulipristal Acetate

CAS: 709615-25-8
Formula: C₃₀H₃₇NO₄
MW: 475.6 g/mol

VQ-034483

Reference Standard

Artesunate Peroxy Hemiacetal chemical structure

Artesunate Peroxy Hemiacetal

CAS: 958447-25-1
Formula: C₁₅H₂₄O₅
MW: 284.35 g/mol

VQ-035277

Reference Standard

Ascomycin Impurity 1 chemical structure

Ascomycin Impurity 1

CAS: 104987-09-9
Formula: C₄₂H₆₇NO₁₂
MW: 778 g/mol

VQ-042334

Reference Standard

Asenapine Maleate N-Oxide Impurity chemical structure

Asenapine Maleate N-Oxide Impurity

CAS: 1367373-77-0
Formula: C₁₇H₁₆ClNO₂
MW: 301.8 g/mol

In stock

Reference Standard

Asenapine N-Oxide chemical structure

Asenapine N-Oxide

CAS: 128949-51-9
Formula: C₁₇H₁₆ClNO₂
MW: 301.8 g/mol

VQ-024372

Reference Standard

Atazanavir Impurity 15

Atazanavir Impurity 15

CAS: 857900-54-0
Formula: C₃₀H₃₉N₅O₄
MW: 533.66 g/mol

VQ-029232

Reference Standard

Atazanavir Impurity 2 chemical structure

Atazanavir Impurity 2

CAS: 198904-33-5
Formula: C₃₇H₅₀N₆O₇
MW: 690.8 g/mol

VQ-044035

Reference Standard

Atazanavir Impurity 6 (4R,5S-Diasteroisomer of DIBOC) chemical structure

Atazanavir Impurity 6 (4R,5S-Diasteroisomer of DIBOC)

CAS: 1006868-81-0
Formula: C₃₂H₄₂N₄O₅
MW: 562.7 g/mol

VQ-024385

Reference Standard

Atazanavir RS3 Impurity chemical structure

Atazanavir RS3 Impurity

CAS: 765254-57-7
Formula: C₃₀H₃₉N₅O₄
MW: 533.7 g/mol

VQ-029235

Reference Standard

Atazanavir RS8 Impurity

Atazanavir RS8 Impurity

CAS: 1292296-12-8
Formula: C₃₇H₄₈N₆O₆
MW: 672.81 g/mol

VQ-035813

Reference Standard

Atazanavir RS9 Impurity chemical structure

Atazanavir RS9 Impurity

CAS: 1292296-13-9
Formula: C₃₇H₄₈N₆O₆
MW: 672.8 g/mol

VQ-035814

Reference Standard

Atazanavir Valine Analog chemical structure

Atazanavir Valine Analog

CAS: 198904-34-6
Formula: C₃₇H₅₀N₆O₇
MW: 690.8 g/mol

VQ-035342

Reference Standard

Atenolol beta-D-Glucuronide chemical structure

Atenolol beta-D-Glucuronide

CAS: 889359-84-6
Formula: C₂₀H₃₀N₂O₉
MW: 442.5 g/mol

VQ-029240

Reference Standard

Atomoxetine 4-Hydroxy 2-Methyl Impurity chemical structure

Atomoxetine 4-Hydroxy 2-Methyl Impurity

CAS: 540729-12-2
Formula: C₁₆H₁₉NO₂
MW: 257.33 g/mol

VQ-029250

Reference Standard

Atorvastatin 2-Hydroxy Sodium chemical structure

Atorvastatin 2-Hydroxy Sodium

CAS: 163217-75-2
Formula: C₃₃H₃₆FN₂NaO₆
MW: 598.6 g/mol

VQ-034787

Reference Standard

Atorvastatin 4-Hydroxy Disodium Salt chemical structure

Atorvastatin 4-Hydroxy Disodium Salt

CAS: 214217-88-6
Formula: C₃₃H₃₅FN₂O₆
MW: 574.6 g/mol

VQ-034788

Reference Standard

Atorvastatin acyl-beta-D-Glucuronide chemical structure

Atorvastatin acyl-beta-D-Glucuronide

CAS: 463962-58-5
Formula: C₃₉H₄₃FN₂O₁₁
MW: 734.8 g/mol

VQ-021674

Reference Standard

Atorvastatin Lactam Lactone chemical structure

Atorvastatin Lactam Lactone

CAS: 1795791-15-9
Formula: C₃₃H₃₁FN₂O₅
MW: 554.6 g/mol

VQ-043968

Reference Standard

Atosiban Impurity B chemical structure

Atosiban Impurity B

CAS: 960411-86-3
Formula: C₄₃H₆₉N₁₁O₁₂S₂
MW: 996.2 g/mol

VQ-024419

Reference Standard

Atrazine Desethyl Desisopropyl Impurity chemical structure

Atrazine Desethyl Desisopropyl Impurity

CAS: 3397-62-4
Formula: C₃H₄ClN₅
MW: 145.55 g/mol

VQ-035523

Reference Standard

Atrazine N-Desethyl Impurity chemical structure

Atrazine N-Desethyl Impurity

CAS: 6190-65-4
Formula: C₆H₁₀ClN₅
MW: 187.63 g/mol

VQ-045184

Reference Standard

Atrazine-2-hydroxy chemical structure

Atrazine-2-hydroxy

CAS: 2163-68-0
Formula: C₈H₁₅N₅O
MW: 197.24 g/mol

VQ-032956

Reference Standard

Atrazine-desethyl-2-hydroxy chemical structure

Atrazine-desethyl-2-hydroxy

CAS: 19988-24-0
Formula: C₆H₁₁N₅O
MW: 169.19 g/mol

VQ-035524

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