Impurities Archives - Page 43 of 160

Synonyms: 1797883-74-9; Flurbiprofen Impurity B; 2-(3-fluoro-4-phenylphenyl)-2,3-dimethylbutanedioic acid; 2-(2-Fluoro[1,1'-biphenyl]-4-yl)-2,3-dimethylbutanedioic Acid; 2-(2-Fluoro-[1,1'-biphenyl]-4-yl)-2,3-dimethylsuccinic acid; Flurbiprofen EP Impurity B

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Fluconazole EP Impurity A

$625.00 – $1,250.00

Cat. No: IS2-586

CAS Number: 89429-59-4

Product Details: Molecular Formula : C13H12F2N6O; MW : 36.27

IUPAC: 2-(2,4-difluorophenyl)-1-(1,2,4-triazol-1-yl)-3-(1,2,4-triazol-4-yl)propan-2-ol

Synonyms: 89429-59-4; Iso Fluconazole; 2-(2,4-Difluorophenyl)-1-(1H-1,2,4-triazol-1-yl)-3-(4H-1,2,4-triazol-4-yl)propan-2-ol; Fluconazole Impurity A; 2-(2,4-difluorophenyl)-1-(1,2,4-triazol-1-yl)-3-(1,2,4-triazol-4-yl)propan-2-ol; (2RS)-2-(2,4-Difluorophenyl)-1-(1H-1,2,4-triazol-1-yl)-3-(4H-1,2,4-triazol-4-yl)propan-2-ol

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Varenicline Impurity 1/ methyl varenicline impurity

$625.00 – $1,250.00

Cat. No: IS2-1061

CAS Number: na

Product Details: Molecular Formula : Request Info; MW : Request Info

IUPAC: Request Info

Synonyms: Request Info

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Brimonidine EP Impurity A

$625.00 – $1,250.00

Cat. No: IS2-1155

CAS Number: 91147-43-2

Product Details: Molecular Formula : C11H11N5; MW : 213.24

IUPAC: N-(4,5-dihydro-1H-imidazol-2-yl)quinoxalin-6-amine

Synonyms: 91147-43-2; N-(4,5-dihydro-1H-imidazol-2-yl)quinoxalin-6-amine; CHEMBL49395; Brimonidine impurity II; 6-Quinoxalinamine, N-(4,5-dihydro-1H-imidazol-2-yl)-; Brimonidine EP Impurity A

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Desvenlafaxine Related Compound A

$625.00 – $1,250.00

Cat. No: IS2-1158

CAS Number: 1346600-38-1

Product Details: Molecular Formula : C16H23NO; MW : 245.36

IUPAC: 4-[1-(cyclohexen-1-yl)-2-(dimethylamino)ethyl]phenol

Synonyms: rac Dehydro-O-desmethyl Venlafaxine; 13466-38-1; 4-[1-(cyclohexen-1-yl)-2-(dimethylamino)ethyl]phenol; SCHEMBL1328479; BCP33774; rac Dehydro-O-desmethyl Venlafaxine-[d6]

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Revefenacin Impurity 22

$625.00 – $1,250.00

Cat. No: IS2-1167

CAS Number: 171723-80-1

Product Details: Molecular Formula : C25H26N2O2; MW : 386.5

IUPAC: (1-benzylpiperidin-4-yl) N-(2-phenylphenyl)carbamate

Synonyms: 171723-8-1; 1-benzyl-4-piperidyl N-(2-biphenylyl)carbamate; (1-benzylpiperidin-4-yl) N-(2-phenylphenyl)carbamate; SCHEMBL273199; DTXSID744919; biphenyl-2-ylcarbamic acid 1-benzylpiperidin-4-yl ester

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Citalopram Related Compound B/Escitalopram EP-B

$729.00 – $1,458.00

Cat. No: IS2-548

CAS Number: 1332724-03-4

Product Details: Molecular Formula : C22H23FN2O6; MW : 43.4

IUPAC: 1-[3-(dimethylamino)propyl]-1-(4-fluorophenyl)-3-hydroxy-3H-2-benzofuran-5-carbonitrile;oxalic acid

Synonyms: 3-Hydroxy Citalopram Oxalate; 1332724-3-4; 1-[3-(dimethylamino)propyl]-1-(4-fluorophenyl)-3-hydroxy-3H-2-benzofuran-5-carbonitrile; oxalic acid; 1-(3-(Dimethylamino)propyl)-1-(4-fluorophenyl)-3-hydroxy-1,3-dihydroisobenzofuran-5-carbonitrile oxalate; 1-[3-(Dimethylamino)propyl]-1-(4-fluorophenyl)-3-hydroxy-1,3-dihydroisobenzofuran-5-carbonitrile Oxalate

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Citalopram R Isomer

$729.00 – $1,458.00

Cat. No: IS2-550

CAS Number: 219861-53-7

Product Details: Molecular Formula : C22H23FN2O5; MW : 414.4

IUPAC: (1R)-1-[3-(dimethylamino)propyl]-1-(4-fluorophenyl)-3H-2-benzofuran-5-carbonitrile;oxalic acid

Synonyms: (R)-Citalopram Oxalate; 219861-53-7; (R)-1-(3-(Dimethylamino)propyl)-1-(4-fluorophenyl)-1,3-dihydroisobenzofuran-5-carbonitrile oxalate; UNII-LQ4I38573N; LQ4I38573N; (1R)-1-[3-(dimethylamino)propyl]-1-(4-fluorophenyl)-3H-2-benzofuran-5-carbonitrile

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Nifidipine Impurity A

$729.00 – $1,458.00

Cat. No: IS2-631

CAS Number: 67035-22-7

Product Details: Molecular Formula : C17H16N2O6; MW : 344.32

IUPAC: dimethyl 2,6-dimethyl-4-(2-nitrophenyl)pyridine-3,5-dicarboxylate

Synonyms: Dehydronifedipine; 6735-22-7; Dehydro Nifedipine; dimethyl 2,6-dimethyl-4-(2-nitrophenyl)pyridine-3,5-dicarboxylate; Oxidized Nifedipine; Dimethyl 2,6-dimethyl-4-(2-nitrophenyl)-3,5-pyridinedicarboxylate

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Vildagliptin Impurity E

$729.00 – $1,458.00

Cat. No: IS2-690 CAS Number: 1789703-37-2 Product Details: Molecular Formula : C17H25N3O2; MW : 33.4 IUPAC: 2-(3-hydroxy-1-adamantyl)-1-imino-6,7,8,8a-tetrahydro-3H-pyrrolo[1,2-a]pyrazin-4-one Synonyms: Vildagliptin Impurity E; 178973-37-2; 2-(3-Hydroxy-1-adamantyl)-1-imino-6,7,8,8a-tetrahydro-3H-pyrrolo[1,2-a]pyrazin-4-one; Vildagliptin Mono Keto Impurity; BCP3368; 2-(3-Hydroxyadamantan-1-yl)-1-iminohexahydropyrrolo[1,2-a]pyrazin-4(1H)-one Stock Status: Ready Stock

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