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Impurities & Reference Standards

API Impurities

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

14,098products

1,516in stock

COA + SDSwith every lot

Reference Standard

Abacavir 5`-Phosphate chemical structure

Abacavir 5`-Phosphate

CAS: 136470-77-4
Formula: C₁₄H₁₉N₆O₄P
MW: 366.31 g/mol

VQ-021369

Reference Standard

Abacavir 6-Chloro Analog(R,R Isomer)

Abacavir 6-Chloro Analog(R,R Isomer)

CAS: 3084072-18-1
Formula: C₁₁H₁₂ClN₅O
MW: 265.7 g/mol

VQ-035562

Reference Standard

Abacavir Carboxylate chemical structure

Abacavir Carboxylate

CAS: 384380-52-3
Formula: C₁₄H₁₆N₆O₂
MW: 300.32 g/mol

VQ-020705

Reference Standard

Abacavir Deschloro N,N-Dimethyl Impurity (FADCP)

Abacavir Deschloro N,N-Dimethyl Impurity (FADCP)

Formula: C₇H₁₀ClN₅O
MW: 215.64 g/mol

In stock

Reference Standard

Abacavir Diamino Purine Impurity chemical structure

Abacavir Diamino Purine Impurity

CAS: 69369-16-0
Formula: C₁₀H₁₄N₁₂O₄S
MW: 398.37 g/mol

VQ-021368

Reference Standard

Abacavir Ethoxy Hydrochloride Impurity

Abacavir Ethoxy Hydrochloride Impurity

CAS: 2211067-09-1
Formula: C₁₃H₁₇N₅O₂.ClH
MW: 311.77 g/mol

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Reference Standard

Abacavir Ethoxy Impurity chemical structure

Abacavir Ethoxy Impurity

CAS: 2211067-08-0
Formula: C₁₃H₁₇N₅O₂
MW: 275.31 g/mol

VQ-004307

Reference Standard

Abacavir hemisulfate chemical structure

Abacavir hemisulfate

CAS: 188062-50-2
Formula: C₂₈H₃₈N₁₂O₆S
MW: 670.7 g/mol

VQ-021367

Reference Standard

Abacavir Impurity 11

Abacavir Impurity 11

CAS: 3084072-16-9
Formula: C₁₁H₁₂ClN₅O
MW: 265.7 g/mol

VQ-035563

Reference Standard

Abacavir Impurity 13 chemical structure

Abacavir Impurity 13

CAS: 267668-74-6
Formula: C₁₁H₁₃Cl₂N₅O
MW: 302.16 g/mol

VQ-047302

Reference Standard

Abacavir Impurity 19

Abacavir Impurity 19

CAS: 1378496-11-7
Formula: C₄H₆N₄O₂
MW: 160.56 g/mol

VQ-049377

Reference Standard

Abacavir Impurity 8 chemical structure

Abacavir Impurity 8

CAS: 171887-01-7
Formula: C₁₀H₁₄Cl₂N₆
MW: 289.16 g/mol

VQ-028977

Reference Standard

Abacavir O-Ethoxy Impurity (Freebase)

Abacavir O-Ethoxy Impurity (Freebase)

Formula: C₁₃H₁₇Cl₂N₅O
MW: 293.75 g/mol

VQ-004308

Reference Standard

Abacavir Related Compound B

Abacavir Related Compound B

CAS: 2125943-52-2
Formula: C₁₀H₁₄ClN₅O
MW: 255.7 g/mol

VQ-047299

Reference Standard

Abacavir Side Chain Dimer Impurity chemical structure

Abacavir Side Chain Dimer Impurity

CAS: 2162167-94-2
Formula: C₁₇H₂₂N₆O₂
MW: 342.4 g/mol

In stock

Reference Standard

Abacavir Sulfate - Impurity A (Sulfate Salt) chemical structure

Abacavir Sulfate - Impurity A (Sulfate Salt)

CAS: 935777-88-1
Formula: C₂₈H₃₈N₁₂O₆S
MW: 670.7 g/mol

VQ-044284

Reference Standard

Abamectin chemical structure

CAS: 71751-41-2
Formula: C₉₅H₁₄₂O₂₈
MW: 1732.1 g/mol

VQ-021685

Reference Standard

Abemaciclib Alcohol Dimer Impurity

Abemaciclib Alcohol Dimer Impurity

Formula: C₃₆H₃₂F₄N₁₀O
MW: 696.7 g/mol

In stock

Reference Standard

Abemaciclib Alcohol Impurity

Abemaciclib Alcohol Impurity

Formula: C₂₀H₁₈F₂N₆O
MW: 396.39 g/mol

In stock

Reference Standard

Abemaciclib Benzimidazole N-regioisomer

Abemaciclib Benzimidazole N-regioisomer

CAS: 2379645-68-6
Formula: C₂₇H₃₂F₂N₈
MW: 506.6 g/mol

VQ-035569

Reference Standard

Abemaciclib Desfluoro Impurity-1

Abemaciclib Desfluoro Impurity-1

Formula: C₂₇H₃₃FN₈
MW: 488.6 g/mol

In stock

Reference Standard

Abemaciclib Desfluoro Impurity-2

Abemaciclib Desfluoro Impurity-2

Formula: C₂₇H₃₃FN₈
MW: 488.6 g/mol

VQ-004313

Reference Standard

Abemaciclib Dimer Impurity-1

Abemaciclib Dimer Impurity-1

Formula: C₄₂H₄₄F₄N₁₂
MW: 792.87 g/mol

In stock

Reference Standard

Abemaciclib Dimer Impurity-2 chemical structure

Abemaciclib Dimer Impurity-2

CAS: 3062616-90-1
Formula: C₂₂H₂₄F₂N₄
MW: 382.4 g/mol

In stock

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