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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

Trimeprazine tartrate chemical structure

Trimeprazine tartrate

CAS: 4330-99-8
Formula: C₄₀H₅₀N₄O₆S₂
MW: 747 g/mol

VQ-024197

Reference Standard

Trimethobenzamide Impurity 1 (Hydrochloride)

Trimethobenzamide Impurity 1 (Hydrochloride)

CAS: 1107613-95-5
Formula: C₁₁H₁₈N₂O.ClH
MW: 230.73 g/mol

In stock

Reference Standard

Trimethobenzamide Impurity E

Trimethobenzamide Impurity E

CAS: 1445977-42-3
Formula: C₂₀H₂₆N₂O₅
MW: 374.44 g/mol

VQ-028536

Reference Standard

Trimethobenzamide Impurity F

Trimethobenzamide Impurity F

CAS: 2415449-18-0
Formula: C₂₁H₂₈N₂O₆
MW: 404.46 g/mol

VQ-028537

Reference Standard

Trimethoxy Dobutamine Hydrochloride chemical structure

Trimethoxy Dobutamine Hydrochloride

CAS: 51062-14-7
Formula: C₂₁H₃₀ClNO₃
MW: 379.9 g/mol

VQ-030242

Reference Standard

Trimethylammonium bromide chemical structure

Trimethylammonium bromide

CAS: 2840-24-6
Formula: C₃H₁₀BrN
MW: 140.02 g/mol

VQ-031909

Reference Standard

Triphenylacetic acid chemical structure

Triphenylacetic acid

CAS: 595-91-5
Formula: C₂₀H₁₆O₂
MW: 288.3 g/mol

VQ-034600

Reference Standard

Triprolidine aldehyde hydrochloride chemical structure

Triprolidine aldehyde hydrochloride

CAS: 1187944-89-3
Formula: C₁₅H₁₆ClNO
MW: 261.74 g/mol

VQ-028548

Reference Standard

Triprolidine hydrochloride, Z isomer chemical structure

Triprolidine hydrochloride, Z isomer

CAS: 51657-91-1
Formula: C₁₉H₂₃ClN₂
MW: 314.9 g/mol

VQ-034451

Reference Standard

Triprolidine Impurity 1 chemical structure

Triprolidine Impurity 1

CAS: 70708-28-0
Formula: C₁₉H₂₄N₂O
MW: 296.4 g/mol

VQ-028547

Reference Standard

Tripropylene Glycol Diacrylate chemical structure

Tripropylene Glycol Diacrylate

CAS: 42978-66-5
Formula: C₁₅H₂₄O₆
MW: 300.35 g/mol

VQ-039673

Reference Standard

Triptorelin Related Compound C chemical structure

Triptorelin Related Compound C

CAS: 129418-54-8
Formula: C₆₄H₈₁N₁₇O₁₄
MW: 1312.4 g/mol

VQ-028551

Reference Standard

Tris(2-chloroethyl)amine chemical structure

Tris(2-chloroethyl)amine

CAS: 555-77-1
Formula: C₆H₁₂Cl₃N
MW: 204.5 g/mol

VQ-043365

Reference Standard

Tris(2-chloroethyl)amine Hydrochloride chemical structure

Tris(2-chloroethyl)amine Hydrochloride

CAS: 817-09-4
Formula: C₆H₁₃Cl₄N
MW: 241 g/mol

VQ-039181

Reference Standard

Tris(2,4-di-tert-butylphenyl)phosphate chemical structure

Tris(2,4-di-tert-butylphenyl)phosphate

CAS: 95906-11-9
Formula: C₄₂H₆₃O₄P
MW: 662.9 g/mol

VQ-027074

Reference Standard

Tris(4-fluorobenzyl)amine chemical structure

Tris(4-fluorobenzyl)amine

CAS: 932724-63-5
Formula: C₂₁H₁₈F₃N
MW: 341.4 g/mol

VQ-027492

Reference Standard

Trityl Candesartan chemical structure

Trityl Candesartan

CAS: 139481-72-4
Formula: C₄₃H₃₄N₆O₃
MW: 682.8 g/mol

VQ-024740

Reference Standard

Trityl Olmesartan Acid chemical structure

Trityl Olmesartan Acid

CAS: 761404-85-7
Formula: C₄₃H₄₀N₆O₃
MW: 688.8 g/mol

VQ-032236

Reference Standard

Trityl Olmesartan Dimer Impurity

Trityl Olmesartan Dimer Impurity

CAS: 1454571-98-2
Formula: C₉₁H₈₂N₁₂O₉
MW: 1487.7 g/mol

VQ-043244

Reference Standard

TritylOlmesartan Medoxomil chemical structure

TritylOlmesartan Medoxomil

CAS: 144690-92-6
Formula: C₄₈H₄₄N₆O₆
MW: 800.9 g/mol

VQ-023326

Reference Standard

Trofinetide Impurity 3 chemical structure

Trofinetide Impurity 3

CAS: 1286768-32-8
Formula: C₇H₁₄ClNO₂
MW: 179.64 g/mol

VQ-047944

Reference Standard

Tropine 3-mesylate chemical structure

Tropine 3-mesylate

CAS: 35130-97-3
Formula: C₉H₁₇NO₃S
MW: 219.3 g/mol

VQ-024433

Reference Standard

Tropine Methylbromide

Tropine Methylbromide

CAS: 13206-03-6
Formula: C₉H₁₈NO.Br
MW: 236.15 g/mol

VQ-035857

Reference Standard

Tryptophan - Impurity G chemical structure

Tryptophan - Impurity G

CAS: 21704-80-3
Formula: C₁₁H₁₂N₂O₃
MW: 220.22 g/mol

VQ-028563

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