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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

Deoxy Donepezil Hydrochloride chemical structure

Deoxy Donepezil Hydrochloride

CAS: 1034439-57-0
Formula: C₂₄H₃₂ClNO₂
MW: 402 g/mol

VQ-030274

Reference Standard

Deoxy Epinephrine Hydrochloride chemical structure

Deoxy Epinephrine Hydrochloride

CAS: 62-32-8
Formula: C₉H₁₄ClNO₂
MW: 203.66 g/mol

VQ-021436

Reference Standard

Deoxy Fesoterodine chemical structure

Deoxy Fesoterodine

CAS: 895137-81-2
Formula: C₂₆H₃₇NO₂
MW: 395.6 g/mol

VQ-037240

Reference Standard

Deoxybenzoin Oxime chemical structure

Deoxybenzoin Oxime

CAS: 26306-06-9
Formula: C₁₄H₁₃NO
MW: 211.26 g/mol

VQ-033067

Reference Standard

Deoxydihydroartemisinin chemical structure

Deoxydihydroartemisinin

CAS: 72807-92-2
Formula: C₁₅H₂₄O₄
MW: 268.35 g/mol

VQ-024365

Reference Standard

Deoxyepinephrine chemical structure

Deoxyepinephrine

CAS: 501-15-5
Formula: C₉H₁₃NO₂
MW: 167.2 g/mol

VQ-029040

Reference Standard

Deoxymannojirimycin chemical structure

Deoxymannojirimycin

CAS: 84444-90-6
Formula: C₆H₁₃NO₄
MW: 163.17 g/mol

VQ-045304

Reference Standard

Deoxynivalenol 3-glucoside chemical structure

Deoxynivalenol 3-glucoside

CAS: 131180-21-7
Formula: C₂₁H₃₀O₁₁
MW: 458.5 g/mol

VQ-044031

Reference Standard

Deoxyprednisolone-16-ene chemical structure

Deoxyprednisolone-16-ene

CAS: 3103-17-1
Formula: C₂₁H₂₆O₄
MW: 342.4 g/mol

VQ-021910

Reference Standard

Deoxysepiapterin chemical structure

Deoxysepiapterin

CAS: 1797-87-1
Formula: C₉H₁₁N₅O₂
MW: 221.22 g/mol

VQ-023740

Reference Standard

Deoxystreptamine chemical structure

Deoxystreptamine

CAS: 2037-48-1
Formula: C₆H₁₄N₂O₃
MW: 162.19 g/mol

VQ-025983

Reference Standard

Deoxystreptamine Kanosaminide chemical structure

Deoxystreptamine Kanosaminide

CAS: 20744-51-8
Formula: C₁₂H₂₅N₃O₇
MW: 323.34 g/mol

VQ-028413

Reference Standard

Depyrazine 7,8-Dinitrophenyl Varenicline chemical structure

Depyrazine 7,8-Dinitrophenyl Varenicline

CAS: 230615-08-4
Formula: C₁₁H₁₁N₃O₄
MW: 249.22 g/mol

VQ-028642

Reference Standard

Deracoxib impurity chemical structure

Deracoxib impurity

CAS: 1798429-38-5
Formula: C₁₅H₁₆FN₃O₃S
MW: 337.4 g/mol

VQ-030127

Reference Standard

Deracoxib Impurity 3 chemical structure

Deracoxib Impurity 3

CAS: 252561-96-9
Formula: C₆H₉ClFN₃O₂S
MW: 241.67 g/mol

VQ-036618

Reference Standard

Des Gly 9 NH2-Vasopressin chemical structure

Des Gly 9 NH2-Vasopressin

CAS: 37552-33-3
Formula: C₄₄H₆₁N₁₃O₁₂S₂
MW: 1028.2 g/mol

VQ-042833

Reference Standard

Des O-isopropyl Bisoprolol chemical structure

Des O-isopropyl Bisoprolol

CAS: 109791-18-6
Formula: C₁₅H₂₅NO₄
MW: 283.36 g/mol

VQ-024611

Reference Standard

Des-(2-butyl) N-Allyl Itraconazole chemical structure

Des-(2-butyl) N-Allyl Itraconazole

CAS: 89848-54-4
Formula: C₃₄H₃₄Cl₂N₈O₄
MW: 689.6 g/mol

VQ-037770

Reference Standard

Des-(dibutylpropylamine) Methanesulfonyl Dronedarone chemical structure

Des-(dibutylpropylamine) Methanesulfonyl Dronedarone

CAS: 1448297-16-2
Formula: C₂₁H₂₃NO₇S₂
MW: 465.5 g/mol

VQ-025411

Reference Standard

Des-1,2,3-Leuprolide chemical structure

Des-1,2,3-Leuprolide

CAS: 202333-85-5
Formula: C₃₇H₆₂N₁₀O₈
MW: 775 g/mol

VQ-037969

Reference Standard

Des-10-Bromo Lonafarnib

Des-10-Bromo Lonafarnib

CAS: 193276-16-3
Formula: C₂₇H₃₂BrClN₄O₂
MW: 559.93 g/mol

VQ-048922

Reference Standard

Des-D-Arg(1)-Icatibant chemical structure

Des-D-Arg(1)-Icatibant

CAS: 130334-60-0
Formula: C₅₃H₇₇N₁₅O₁₂S
MW: 1148.3 g/mol

VQ-037644

Reference Standard

Des-Hydroxy Amino Triclosan chemical structure

Des-Hydroxy Amino Triclosan

CAS: 56966-52-0
Formula: C₁₂H₈Cl₃NO
MW: 288.6 g/mol

VQ-042674

Reference Standard

Des-Hydroxy Nitro Triclosan chemical structure

Des-Hydroxy Nitro Triclosan

CAS: 2392-48-5
Formula: C₁₂H₆Cl₃NO₃
MW: 318.5 g/mol

VQ-040578

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