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Impurities

SynThink is a trusted producer and supplier of Pharmaceutical Reference Standards, including Impurity Standards. These materials are essential for pharmaceutical companies conducting research into the quality, stability, and biological safety of drug products. We maintain a robust inventory of API impurities, ready to support your development and regulatory needs.

$695.00 25 mg
In Stock

CAS No.

Mol F.

: C17H17N3O5

Mol W.

: 343.33

Cat No.

: SA15431

$795.00 25 mg
In Stock

CAS No.

: 2095551-20-3

Mol F.

: C22H28N3O9P

Mol W.

: 509.46

Cat No.

: SA15411

$595.00 25 mg
In Stock

CAS No.

: 1987957-11-8

Mol F.

: C22H30N3O10P

Mol W.

: 527.47

Cat No.

: SA15409

$595.00 25 mg
In Stock

CAS No.

Mol F.

: C22H29FN3O9P

Mol W.

: 529.46

Cat No.

: SA15406

$255.00 25 mg
In Stock

CAS No.

: 84449-15-0

Mol F.

: C22H27FO6

Mol W.

: 406.5

Cat No.

: SA15531

$395.00 25 mg
In Stock

CAS No.

: 53962-41-7

Mol F.

: C24H29FO7

Mol W.

: 448.48

Cat No.

: SA30216

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In Stock

CAS No.

Mol F.

: C21H29ClO4

Mol W.

: 380.91

Cat No.

: SA15226

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In Stock

CAS No.

: 2964-79-6

Mol F.

: C22H29FO6

Mol W.

: 408.46

Cat No.

: SA15505

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CAS No.

: 20287-97-2

Mol F.

: C21H28O4

Mol W.

: 344.44

Cat No.

: SA15228

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CAS No.

: 16574-04-2

Mol F.

: C21H26O5

Mol W.

: 358.4

Cat No.

: SA43204

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In Stock

CAS No.

: 59796-52-0

Mol F.

: C22H28O4

Mol W.

: 356.46

Cat No.

: SA19210

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In Stock

CAS No.

: 184899-80-7

Mol F.

: C22H29FO3

Mol W.

: 360.46

Cat No.

: SA19207

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In Stock

CAS No.

: 426-15-3

Mol F.

: C22H29FO4

Mol W.

: 376.47

Cat No.

: SA15532

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CAS No.

: 2884-51-7

Mol F.

: C₂₄H₃₀O₆

Mol W.

: 414.49

Cat No.

: SA15524

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In Stock

CAS No.

Mol F.

: C40H43F2N8O7S+

Mol W.

: 817.88

Cat No.

: SA44136

$1,550.00 25 mg
In Stock

CAS No.

Mol F.

: C22H17F2N5OS

Mol W.

: 437.5

Cat No.

: SA44110

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In Stock

CAS No.

: 13648-12-9

Mol F.

: C22H27NO2

Mol W.

: 337.45

Cat No.

: SA12901

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In Stock

CAS No.

: 4075-14-3

Mol F.

: C19H28O3

Mol W.

: 304.42

Cat No.

: SA16218

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In Stock

CAS No.

: NA

Mol F.

: C15H11BrNNaO3

Mol W.

: 356.15

Cat No.

: SA18915

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In Stock

CAS No.

: 14703-69-6

Mol F.

: C7H9NO

Mol W.

: 123.155

Cat No.

: SA19704

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In Stock

CAS No.

: 219986-64-8

Mol F.

: C11H9F3N2

Mol W.

: 226.2

Cat No.

: SA11301

$95.00 25 mg
In Stock

CAS No.

: 762240-92-6

Mol F.

: C₆H₈ClF₃N₄

Mol W.

: 228.6

Cat No.

: SA10441

$79.00 25 mg
In Stock

CAS No.

: 5434-20-8

Mol F.

: C8H8ClNO4

Mol W.

: 217.61

Cat No.

: SA30016

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In Stock

CAS No.

: 1620129-74-9

Mol F.

: C15H18F3NO4

Mol W.

: 333.3

Cat No.

: SA10457

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In Stock

CAS No.

: 2136-81-4

Mol F.

: C7H4Cl4

Mol W.

: 229.92

Cat No.

: SA11602

$95.00 25 mg
In Stock

CAS No.

: 32943-25-2

Mol F.

: C14H12ClN

Mol W.

: 229.7

Cat No.

: SA33703

$90.00 50 mg
In Stock

CAS No.

: 936-59-4

Mol F.

: C9H9ClO

Mol W.

: 168.62

Cat No.

: SA12232

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In Stock

CAS No.

: 1852-65-9

Mol F.

: C25H34O6

Mol W.

: 430.5

Cat No.

: SA43200

$199.00 10 mg
In Stock

CAS No.

: 864070-43-9

Mol F.

: C23H27ClO7

Mol W.

: 450.91

Cat No.

: SA15113

$79.00 50 mg
In Stock

CAS No.

: 60758-86-3

Mol F.

: C10H11NO2

Mol W.

: 177.2

Cat No.

: SA30018

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In Stock

CAS No.

: 54060-30-9

Mol F.

: C8H7N

Mol W.

: 117.15

Cat No.

: SA25224

$190.00 25 mg
In Stock

CAS No.

Mol F.

: C33H34FN2NaO5

Mol W.

: 580.62

Cat No.

: SA17802

$500.00 250 mg
In Stock

CAS No.

Mol F.

: C26H24FNO3

Mol W.

: 417.47

Cat No.

: SA17804

$99.00 25 mg
In Stock

CAS No.

: 1253056-01-7

Mol F.

: C16H14F6N4O2

Mol W.

: 408.3

Cat No.

: SA10406

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In Stock

CAS No.

: 709031-29-8

Mol F.

: C12H19NO3

Mol W.

: 225.28

Cat No.

: SA27418

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In Stock

CAS No.

: 1675217-42-1

Mol F.

: C12H19NO8

Mol W.

: 305.28

Cat No.

: SA22610

$79.00 25 mg
In Stock

CAS No.

: 52805-46-6

Mol F.

: C8H7NO2

Mol W.

: 149.1

Cat No.

: SA30017

$1,395.00 25 mg
In Stock

CAS No.

Mol F.

: C19H22N2O3S

Mol W.

: 358.46

Cat No.

: SA19503

$145.00 25 mg
In Stock

CAS No.

: 545445-44-1

Mol F.

: C20H25O3N3

Mol W.

: 355.43

Cat No.

: SA39926

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In Stock

CAS No.

: 2413365-22-5

Mol F.

: C20H23N3O3

Mol W.

: 353.41

Cat No.

: SA39948

$79.00 25 mg
In Stock

CAS No.

: 603-11-2

Mol F.

: C₈H₅NO₆

Mol W.

: 211.13

Cat No.

: SA30013

Please enquire for price & pack size
In Stock

CAS No.

: 1352085-46-1

Mol F.

: C22H25NO4

Mol W.

: 367.44

Cat No.

: SA45105

$80.00 25 mg
In Stock

CAS No.

: 528-45-0

Mol F.

: C7H4N2O6

Mol W.

: 212.12

Cat No.

: SA20723

Please enquire for price & pack size
In Stock

CAS No.

: 147650-54-2

Mol F.

: C21H37ClN2O5S

Mol W.

: 465.05

Cat No.

: SA29712

Please enquire for price & pack size
In Stock

CAS No.

: 34911-51-8

Mol F.

: C9H8BrClO

Mol W.

: 247.52

Cat No.

: SA12233

$175.00 10 mg
In Stock

CAS No.

: 2743547-96-6

Mol F.

: C24H21F2NO3

Mol W.

: 409.43

Cat No.

: SA14811

$110.00 25 mg
In Stock

CAS No.

: 34841-35-5

Mol F.

: C9H9ClO

Mol W.

: 168.62

Cat No.

: SA12231

$595.00 25 mg
In Stock

CAS No.

Mol F.

: C24H23F2NO3

Mol W.

: 411.44

Cat No.

: SA14840

$795.00 25 mg
In Stock

CAS No.

Mol F.

: C22H29FN3O9P

Mol W.

: 529.45

Cat No.

: SA15433

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