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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

Sitagliptin FP Impurity B (R-Isomer) chemical structure

Sitagliptin FP Impurity B (R-Isomer)

CAS: 2088771-61-1
Formula: C₁₆H₁₃F₆N₅O₂
MW: 421.3 g/mol

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Reference Standard

Sitagliptin FP Impurity C chemical structure

Sitagliptin FP Impurity C

CAS: 1803026-58-5
Formula: C₁₆H₁₂F₆N₄O
MW: 390.28 g/mol

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Reference Standard

Sitagliptin FP Impurity D chemical structure

Sitagliptin FP Impurity D

CAS: 1253056-18-6
Formula: C₁₆H₁₂F₆N₄O
MW: 390.28 g/mol

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Reference Standard

Sitagliptin FP Impurity E (Freebase) chemical structure

Sitagliptin FP Impurity E (Freebase)

CAS: 936630-57-8
Formula: C₁₀H₁₀F₃NO₂
MW: 233.19 g/mol

VQ-005927

Reference Standard

Sitagliptin FP Impurity E (Hydrochloride) chemical structure

Sitagliptin FP Impurity E (Hydrochloride)

CAS: 1204818-19-8
Formula: C₁₀H₁₁ClF₃NO₂
MW: 269.65 g/mol

VQ-005928

Reference Standard

Sitagliptin Hydrochloride S-Isomer

Sitagliptin Hydrochloride S-Isomer

Formula: C₁₆H₁₅F₆N₅O.ClH
MW: 443.78 g/mol

VQ-005929

Reference Standard

Sitagliptin Impurity 1(Hydrochloride)

Sitagliptin Impurity 1(Hydrochloride)

Formula: C₂₄H₂₁F₆N₅O.ClH
MW: 545.91 g/mol

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Reference Standard

Sitagliptin Impurity 13 chemical structure

Sitagliptin Impurity 13

CAS: 2114328-77-5
Formula: C₁₀H₅F₃O₆
MW: 278.14 g/mol

VQ-042208

Reference Standard

Sitagliptin Impurity 16 chemical structure

Sitagliptin Impurity 16

CAS: 769195-20-2
Formula: C₂₄H₂₂F₆N₆O₂
MW: 540.5 g/mol

VQ-028061

Reference Standard

Sitagliptin Impurity 18 chemical structure

Sitagliptin Impurity 18

CAS: 1481965-39-2
Formula: C₆H₆F₃N₅O
MW: 221.14 g/mol

VQ-042209

Reference Standard

Sitagliptin Impurity 22 chemical structure

Sitagliptin Impurity 22

CAS: 945261-50-7
Formula: C₁₆H₁₅F₆N₅O
MW: 407.31 g/mol

VQ-033884

Reference Standard

Sitagliptin Impurity 32 chemical structure

Sitagliptin Impurity 32

CAS: 945261-49-4
Formula: C₁₆H₁₅F₆N₅O
MW: 407.31 g/mol

VQ-033883

Reference Standard

Sitagliptin Impurity 44

Sitagliptin Impurity 44

CAS: 1334244-28-8
Formula: C₁₆H₁₆F₅N₅O
MW: 389.32 g/mol

VQ-042205

Reference Standard

Sitagliptin Impurity 55

Sitagliptin Impurity 55

CAS: 1512811-20-9
Formula: C₁₀H₈F₃NO
MW: 215.18 g/mol

VQ-042204

Reference Standard

Sitagliptin Impurity 62 chemical structure

Sitagliptin Impurity 62

CAS: 2379621-81-3
Formula: C₂₅H₂₆F₆N₂O₅
MW: 548.5 g/mol

VQ-033881

Reference Standard

Sitagliptin Impurity 70 (Freebase) chemical structure

Sitagliptin Impurity 70 (Freebase)

CAS: 2248445-08-9
Formula: C₁₄H₁₇F₃N₂O₂
MW: 302.29 g/mol

VQ-005931

Reference Standard

Sitagliptin Impurity 70 (Hydrochloride) chemical structure

Sitagliptin Impurity 70 (Hydrochloride)

CAS: 2248445-08-9
Formula: C₁₄H₁₇F₃N₂O₂
MW: 302.29 g/mol

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Reference Standard

Sitagliptin Impurity B chemical structure

Sitagliptin Impurity B

CAS: 2955636-26-5
Formula: C₃₂H₂₅F₁₂N₉O₂
MW: 795.6 g/mol

VQ-044080

Reference Standard

Sitagliptin impurity F chemical structure

Sitagliptin impurity F

CAS: 1608491-98-0
Formula: C₂₂H₂₄F₆N₄O₂
MW: 490.4 g/mol

VQ-033877

Reference Standard

Sitagliptin Impurity N

Sitagliptin Impurity N

CAS: 2409985-39-1
Formula: C₁₆H₁₄F₆N₄O
MW: 392.3 g/mol

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Reference Standard

Sitagliptin Impurity O chemical structure

Sitagliptin Impurity O

CAS: 2072867-07-1
Formula: C₂₆H₂₃F₉N₆O₂
MW: 622.5 g/mol

VQ-028053

Reference Standard

Sitagliptin Ketoamide Impurity chemical structure

Sitagliptin Ketoamide Impurity

CAS: 764667-65-4
Formula: C₁₆H₁₂F₆N₄O₂
MW: 406.28 g/mol

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Reference Standard

Sitagliptin Malate chemical structure

Sitagliptin Malate

CAS: 1240039-02-4
Formula: C₂₀H₂₁F₆N₅O₆
MW: 541.4 g/mol

VQ-033887

Reference Standard

Sitagliptin Morpholine Keto Impurity chemical structure

Sitagliptin Morpholine Keto Impurity

CAS: 2248445-00-1
Formula: C₁₄H₁₄F₃NO₃
MW: 301.26 g/mol

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