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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

Vildagliptin Chloroacetyl Amide Impurity chemical structure

Vildagliptin Chloroacetyl Amide Impurity

CAS: 214398-99-9
Formula: C₇H₁₁ClN₂O₂
MW: 190.63 g/mol

VQ-024015

Reference Standard

Vildagliptin Chloroacetyl Nitrile chemical structure

Vildagliptin Chloroacetyl Nitrile

CAS: 274901-37-0
Formula: C₇H₉ClN₂O
MW: 172.61 g/mol

VQ-034614

Reference Standard

Vildagliptin Deshydroxy Impurity chemical structure

Vildagliptin Deshydroxy Impurity

CAS: 741657-02-3
Formula: C₁₇H₂₅N₃O
MW: 287.4 g/mol

VQ-028704

Reference Standard

Vildagliptin Impurity 2 (S-Isomer) chemical structure

Vildagliptin Impurity 2 (S-Isomer)

CAS: 19943-27-2
Formula: C₁₀H₁₄N₂O₂
MW: 194.23 g/mol

In stock

Reference Standard

Vildagliptin Impurity 8 chemical structure

Vildagliptin Impurity 8

CAS: 20488-28-2
Formula: C₁₀H₁₆N₂O₃
MW: 212.25 g/mol

VQ-042902

Reference Standard

Vildagliptin Impurity G chemical structure

Vildagliptin Impurity G

CAS: 1616662-84-0
Formula: C₁₂H₂₀N₄O₃
MW: 268.31 g/mol

VQ-028705

Reference Standard

Vildagliptin Impurity-2 [(R and S) Mixture] chemical structure

Vildagliptin Impurity-2 [(R and S) Mixture]

CAS: 6708-06-1
Formula: C₁₀H₁₄N₂O₂
MW: 194.23 g/mol

In stock

Reference Standard

Vildagliptin L-Proline Impurity chemical structure

Vildagliptin L-Proline Impurity

CAS: 674292-94-5
Formula: C₆H₁₁N₃O₂
MW: 157.17 g/mol

In stock

Reference Standard

Vildagliptin Racemic chemical structure

Vildagliptin Racemic

CAS: 1360862-63-0
Formula: C₁₇H₂₅N₃O₂
MW: 303.4 g/mol

VQ-034609

Reference Standard

Viloxazine Impurity 3

Viloxazine Impurity 3

CAS: 2146010-99-1
Formula: C₉H₂₀N₂O₂
MW: 188.27 g/mol

VQ-042909

Reference Standard

Vinblastine chemical structure

CAS: 865-21-4
Formula: C₄₆H₅₈N₄O₉
MW: 811 g/mol

VQ-028714

Reference Standard

Vinblastine Impurity B chemical structure

Vinblastine Impurity B

CAS: 61936-68-3
Formula: C₄₆H₅₈N₄O₁₀
MW: 827 g/mol

VQ-034633

Reference Standard

Vincristine Methiodide chemical structure

Vincristine Methiodide

CAS: 4724-00-9
Formula: C₄₇H₅₉IN₄O₁₀
MW: 966.9 g/mol

VQ-043630

Reference Standard

Vindoline chemical structure

CAS: 2182-14-1
Formula: C₂₅H₃₂N₂O₆
MW: 456.5 g/mol

VQ-028717

Reference Standard

Vinflunine Ditartrate chemical structure

Vinflunine Ditartrate

CAS: 194468-36-5
Formula: C₅₃H₆₆F₂N₄O₂₀
MW: 1117.1 g/mol

VQ-043629

Reference Standard

Vinorelbine Ditartrate chemical structure

Vinorelbine Ditartrate

CAS: 125317-39-7
Formula: C₄₉H₆₀N₄O₁₄
MW: 929 g/mol

VQ-028716

Reference Standard

Vinorelbine N'b-Oxide chemical structure

Vinorelbine N'b-Oxide

CAS: 74075-34-6
Formula: C₄₅H₅₃N₄O₉⁺
MW: 793.9 g/mol

VQ-034638

Reference Standard

Virginiamycin S1 chemical structure

Virginiamycin S1

CAS: 23152-29-6
Formula: C₄₃H₄₉N₇O₁₀
MW: 823.9 g/mol

VQ-042916

Reference Standard

Vismodegib Impurity 28 chemical structure

Vismodegib Impurity 28

CAS: 2117637-61-1
Formula: C₁₉H₁₅ClN₂O₃S
MW: 386.9 g/mol

VQ-021362

Reference Standard

Vismodegib Impurity 5 chemical structure

Vismodegib Impurity 5

CAS: 1977536-53-0
Formula: C₂₂H₁₄Cl₂N₄
MW: 405.3 g/mol

In stock

Reference Standard

Vismodegib Impurity 7 chemical structure

Vismodegib Impurity 7

CAS: 1977536-54-1
Formula: C₂₂H₁₆Cl₂N₄
MW: 407.3 g/mol

VQ-034653

Reference Standard

Vismodegib Impurity 8 chemical structure

Vismodegib Impurity 8

CAS: 1270416-26-6
Formula: C₁₁H₁₅ClN₂
MW: 210.7 g/mol

VQ-034654

Reference Standard

Vismodegib Impurity Stage-1

Vismodegib Impurity Stage-1

Formula: C₂₂H₁₄Cl₂N₄O
MW: 421.28 g/mol

In stock

Reference Standard

Vitamin A Propionate chemical structure

Vitamin A Propionate

CAS: 7069-42-3
Formula: C₂₃H₃₄O₂
MW: 342.5 g/mol

VQ-033509

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