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Impurities & Reference Standards

Pharmacopoeial and non-pharmacopoeial impurities, metabolites, nitrosamines and working standards with characterisation data for QC and regulatory work.

27,990products

6sub-categories

2,746in stock

COA + SDSwith every lot

API Impurities 14,098 Pharmacopeial Impurities (EP / USP / BP) 4,399 Nitrosamine Impurities 631 Stable Isotope Labelled Standards (Deuterated, 13C, 15N) 1,504 Metabolites & Degradation Products 3,922 API Reference Standards 3,436

Reference Standard

Vincristine Methiodide chemical structure

Vincristine Methiodide

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

VQ-043630

Reference Standard

Vincristine N-Oxide chemical structure

Vincristine N-Oxide

CAS: 947527-73-3
Formula: C₄₆H₅₆N₄O₁₁
MW: 841 g/mol

VQ-034636

Reference Standard

Vincristine sulfate chemical structure

Vincristine sulfate

CAS: 2068-78-2
Formula: C₄₆H₅₈N₄O₁₄S
MW: 923 g/mol

VQ-028712

Reference Standard

Vincristine Sulfate EP Impurity A chemical structure

Vincristine Sulfate EP Impurity A

CAS: 1246812-06-5
Formula: C₄₆H₅₆N₄O₁₁
MW: 841 g/mol

VQ-042912

Reference Standard

Vincristine Sulfate EP Impurity B chemical structure

Vincristine Sulfate EP Impurity B

CAS: 68135-16-0
Formula: C₄₆H₅₆N₄O₉
MW: 809 g/mol

VQ-028715

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 chemical structure

CAS: 71486-22-1
Formula: C₄₅H₅₄N₄O₈
MW: 778.9 g/mol

VQ-034641

Reference Standard

Vinorelbine Ditartrate chemical structure

Vinorelbine Ditartrate

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

VQ-028716

Reference Standard

Vinorelbine EP Impurity E chemical structure

Vinorelbine EP Impurity E

CAS: 23360-92-1
Formula: C₄₆H₅₆N₄O₉
MW: 809 g/mol

VQ-028718

Reference Standard

Vinorelbine EP Impurity F (Iodide) chemical structure

Vinorelbine EP Impurity F (Iodide)

CAS: 89368-96-7
Formula: C₄₆H₅₇IN₄O₈
MW: 920.9 g/mol

VQ-034639

Reference Standard

Vinorelbine EP Impurity H chemical structure

Vinorelbine EP Impurity H

CAS: 220137-33-7
Formula: C₄₄H₅₂N₄O₈
MW: 764.9 g/mol

VQ-034642

Reference Standard

Vinorelbine EP Impurity J chemical structure

Vinorelbine EP Impurity J

CAS: 38390-45-3
Formula: C₄₆H₅₆N₄O₈
MW: 793 g/mol

VQ-034640

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

Vinpocetine EP Impurity A chemical structure

Vinpocetine EP Impurity A

CAS: 40163-56-2
Formula: C₂₂H₂₈N₂O₃
MW: 368.5 g/mol

VQ-034644

Reference Standard

Vinpocetine EP Impurity B chemical structure

Vinpocetine EP Impurity B

CAS: 4880-92-6
Formula: C₂₁H₂₄N₂O₂
MW: 336.4 g/mol

VQ-034645

Reference Standard

Vinpocetine EP Impurity C chemical structure

Vinpocetine EP Impurity C

CAS: 70155-05-4
Formula: C₂₃H₂₈N₂O₃
MW: 380.5 g/mol

VQ-034647

Reference Standard

Violaxanthin chemical structure

CAS: 126-29-4
Formula: C₄₀H₅₆O₄
MW: 600.9 g/mol

VQ-042915

Reference Standard

Virginiamycin chemical structure

CAS: 11006-76-1
Formula: C₇₁H₈₄N₁₀O₁₇
MW: 1349.5 g/mol

VQ-034649

Reference Standard

Virginiamycin M1 chemical structure

Virginiamycin M1

CAS: 21411-53-0
Formula: C₂₈H₃₅N₃O₇
MW: 525.6 g/mol

VQ-034650

Reference Standard

Virginiamycin S1 chemical structure

Virginiamycin S1

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

VQ-042916

Reference Standard

Vismodegib chemical structure

CAS: 879085-55-9
Formula: C₁₉H₁₄Cl₂N₂O₃S
MW: 421.3 g/mol

In stock

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

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