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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.

28,554products

6sub-categories

2,746in stock

COA + SDSwith every lot

API Impurities 14,252 Pharmacopeial Impurities (EP / USP / BP) 4,401 Nitrosamine Impurities 650 Stable Isotope Labelled Standards (Deuterated, 13C, 15N) 1,612 Metabolites & Degradation Products 4,146 API Reference Standards 3,493

Reference Standard

Afatinib Malonic acid Adduct chemical structure

Afatinib Malonic acid Adduct

CAS: 2413212-27-6
Formula: C₂₇H₂₇ClFN₅O₇
MW: 588 g/mol

VQ-035431

Reference Standard

Afatinib Nitroquinazolinol Impurity chemical structure

Afatinib Nitroquinazolinol Impurity

CAS: 1449430-45-8
Formula: C₁₄H₈ClFN₄O₃
MW: 334.69 g/mol

VQ-021444

Reference Standard

Afatinib Sulfonic Acid Analog

Afatinib Sulfonic Acid Analog

CAS: 2283295-16-7
Formula: C₂₄H₂₇ClFN₅O₆S
MW: 568 g/mol

VQ-035633

Reference Standard

Afatinib-d6 chemical structure

CAS: 1313874-96-2
Formula: C₂₄H₂₅ClFN₅O₃
MW: 492 g/mol

VQ-024160

Reference Standard

Aficamten chemical structure

CAS: 2364554-48-1
Formula: C₁₈H₁₉N₅O₂
MW: 337.4 g/mol

VQ-029050

Reference Standard

Aflatoxin chemical structure

CAS: 1402-68-2
Formula: C₁₇H₁₂O₇
MW: 328.27 g/mol

VQ-035635

Reference Standard

Aflatoxin B1 chemical structure

CAS: 1162-65-8
Formula: C₁₇H₁₂O₆
MW: 312.27 g/mol

VQ-027097

Reference Standard

Aflatoxin B1-D3 chemical structure

Aflatoxin B1-D3

CAS: 1217702-31-2
Formula: C₁₇H₁₂O₆
MW: 315.29 g/mol

VQ-029051

Reference Standard

Aflatoxin B2 chemical structure

CAS: 7220-81-7
Formula: C₁₇H₁₄O₆
MW: 314.29 g/mol

VQ-027098

Reference Standard

Aflatoxin B2-D3 chemical structure

Aflatoxin B2-D3

CAS: 1217830-52-8
Formula: C₁₇H₁₄O₆
MW: 317.31 g/mol

VQ-035637

Reference Standard

Aflatoxin G1 chemical structure

CAS: 1165-39-5
Formula: C₁₇H₁₂O₇
MW: 328.27 g/mol

VQ-027099

Reference Standard

Aflatoxin G2 chemical structure

CAS: 7241-98-7
Formula: C₁₇H₁₄O₇
MW: 330.29 g/mol

VQ-027100

Reference Standard

Aflatoxin G2-D3 chemical structure

Aflatoxin G2-D3

CAS: 1217758-21-8
Formula: C₁₇H₁₄O₇
MW: 333.31 g/mol

VQ-035636

Reference Standard

Aflatoxin M1 chemical structure

CAS: 6795-23-9
Formula: C₁₇H₁₂O₇
MW: 328.27 g/mol

VQ-032344

Reference Standard

Aflibercept

CAS: 862111-32-8

VQ-047348

Reference Standard

Afobazole chemical structure

CAS: 173352-21-1
Formula: C₁₅H₂₁N₃O₂S
MW: 307.4 g/mol

VQ-024161

Reference Standard

Afoxolaner chemical structure

CAS: 1093861-60-9
Formula: C₂₆H₁₇ClF₉N₃O₃
MW: 625.9 g/mol

VQ-027228

Reference Standard

Agaric Acid chemical structure

CAS: 666-99-9
Formula: C₂₂H₄₀O₇
MW: 416.5 g/mol

VQ-039534

Reference Standard

Agarospirol chemical structure

CAS: 1460-73-7
Formula: C₁₅H₂₆O
MW: 222.37 g/mol

VQ-050706

Reference Standard

AGL-5th Isomer chemical structure

CAS: 158504-24-6
Formula: C₁₅H₁₇NO₂
MW: 243.3 g/mol

In stock

Reference Standard

Agmatidine chemical structure

CAS: 1221169-70-5
Formula: C₁₄H₂₅N₇O₄
MW: 355.39 g/mol

VQ-042767

Reference Standard

Agmatine Sulfate chemical structure

Agmatine Sulfate

CAS: 2482-00-0
Formula: C₅H₁₆N₄O₄S
MW: 228.27 g/mol

VQ-035638

Reference Standard

Agnuside chemical structure

CAS: 11027-63-7
Formula: C₂₂H₂₆O₁₁
MW: 466.4 g/mol

VQ-029052

Reference Standard

Agomelatine acetic acid ethyl ester chemical structure

Agomelatine acetic acid ethyl ester

CAS: 6836-20-0
Formula: C₁₅H₁₈O₃
MW: 246.3 g/mol

VQ-043961

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