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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

Cinacalcet Impurity A (Hydrochloride) chemical structure

Cinacalcet Impurity A (Hydrochloride)

CAS: 82572-04-1
Formula: C₁₂H₁₄ClN
MW: 207.7 g/mol

VQ-004641

Reference Standard

Cinacalcet Impurity B-HCl chemical structure

Cinacalcet Impurity B-HCl

CAS: 163831-65-0
Formula: C₁₉H₂₀ClN
MW: 297.8 g/mol

VQ-029802

Reference Standard

Cinacalcet Impurity C chemical structure

Cinacalcet Impurity C

CAS: 955373-56-5
Formula: C₂₂H₂₀F₃N
MW: 355.4 g/mol

VQ-024981

Reference Standard

Cinacalcet Impurity E chemical structure

Cinacalcet Impurity E

CAS: 253337-60-9
Formula: C₂₂H₂₅N
MW: 303.4 g/mol

VQ-024983

Reference Standard

Cinacalcet Impurity E HCl salt

Cinacalcet Impurity E HCl salt

CAS: 2705511-09-5
Formula: C₂₂H₂₅N : HCl
MW: 339.9 g/mol

VQ-029803

Reference Standard

Cinacalcet Impurity I chemical structure

Cinacalcet Impurity I

CAS: 585-50-2
Formula: C₁₀H₉F₃O₂
MW: 218.17 g/mol

VQ-024974

Reference Standard

Cinacalcet Regio Isomer (Freebase) chemical structure

Cinacalcet Regio Isomer (Freebase)

CAS: 2074615-22-6
Formula: C₂₂H₂₂F₃N
MW: 357.4 g/mol

VQ-004642

Reference Standard

Cinacalcet Regio Isomer (Hydrochloride) chemical structure

Cinacalcet Regio Isomer (Hydrochloride)

CAS: 2200269-28-7
Formula: C₂₂H₂₃ClF₃N
MW: 393.9 g/mol

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Reference Standard

Cinchonidine chemical structure

CAS: 485-71-2
Formula: C₁₉H₂₂N₂O
MW: 294.4 g/mol

VQ-024987

Reference Standard

Cinchonidine sulfate anhydrous chemical structure

Cinchonidine sulfate anhydrous

CAS: 524-61-8
Formula: C₃₈H₄₆N₄O₆S
MW: 686.9 g/mol

VQ-036327

Reference Standard

Cinchonine sulphate chemical structure

Cinchonine sulphate

CAS: 5949-16-6
Formula: C₃₈H₄₆N₄O₆S
MW: 686.9 g/mol

VQ-039307

Reference Standard

Cinnamyl alcohol chemical structure

Cinnamyl alcohol

CAS: 4407-36-7
Formula: C₉H₁₀O
MW: 134.17 g/mol

VQ-047784

Reference Standard

Cinnamylamine Hydrochloride chemical structure

Cinnamylamine Hydrochloride

CAS: 5586-89-0
Formula: C₉H₁₂ClN
MW: 169.65 g/mol

VQ-028479

Reference Standard

Cinnarizine Impurity A chemical structure

Cinnarizine Impurity A

CAS: 841-77-0
Formula: C₁₇H₂₀N₂
MW: 252.35 g/mol

VQ-004644

Reference Standard

Cinoxate chemical structure

CAS: 104-28-9
Formula: C₁₄H₁₈O₄
MW: 250.29 g/mol

VQ-032854

Reference Standard

Ciprofloxacin Chloro Analog Impurity chemical structure

Ciprofloxacin Chloro Analog Impurity

CAS: 93106-58-2
Formula: C₁₇H₁₈ClN₃O₃
MW: 347.8 g/mol

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Reference Standard

Ciprofloxacin Di- Methoxy Impurity chemical structure

Ciprofloxacin Di- Methoxy Impurity

CAS: 1267935-86-3
Formula: C₁₅H₁₅NO₅
MW: 289.28 g/mol

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Reference Standard

Ciprofloxacin Di-Chloro Impurity chemical structure

Ciprofloxacin Di-Chloro Impurity

CAS: 93107-31-4
Formula: C₁₃H₉Cl₂NO₃
MW: 298.12 g/mol

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Reference Standard

Ciprofloxacin Hemisulfate Impurity

Ciprofloxacin Hemisulfate Impurity

CAS: 93398-92-6
Formula: C₄₀H₄₆F₂N₆O₁₄S
MW: 904.89 g/mol

VQ-029822

Reference Standard

Ciprofloxacin Impurity 16 chemical structure

Ciprofloxacin Impurity 16

CAS: 1620445-09-1
Formula: C₁₅H₁₅FN₂O₃
MW: 290.29 g/mol

VQ-044655

Reference Standard

Ciprofloxacin Impurity 2

Ciprofloxacin Impurity 2

CAS: 122224-30-0
Formula: C₁₇H₁₈FN₃O₃
MW: 331.34 g/mol

VQ-036340

Reference Standard

Ciprofloxacin Impurity 53 chemical structure

Ciprofloxacin Impurity 53

CAS: 160069-90-9
Formula: C₁₃H₁₁ClFNO₃
MW: 283.68 g/mol

VQ-047802

Reference Standard

Ciprofloxacin Impurity C Hydrochloride chemical structure

Ciprofloxacin Impurity C Hydrochloride

CAS: 528851-31-2
Formula: C₁₅H₁₇ClFN₃O₃
MW: 341.76 g/mol

VQ-004648

Reference Standard

Ciprofloxacin Mono Methoxy Impurity

Ciprofloxacin Mono Methoxy Impurity

Formula: C₁₄H₁₂ClNO₄
MW: 293.7 g/mol

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