Impurities

Impurities are undesirable chemical components that remain in the active pharmaceutical ingredient during formulation. Impurities may reduce a product's efficacy.

185197-71-1

(S)-Lercanidipine HCl

CAS Number

185197-71-1

Lercanidipine hydrochloride

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(S)-Ruxolitinib

CAS Number

941685-37-6

Alternate CAS Number

2703484-89-1(phosphate salt)

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(S)-Ruxolitinib Phosphate

CAS Number

2703484-89-1

Alternate CAS Number

941685-37-6(freebase)

Clofazimine for system suitability CRS

(Y0000358)Clofazimine for system suitability CRS

CAS Number

STD- 2030-63-9: IMP-B(RC-B)- 2158184-11-1

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(Y0000471) Buspirone for system suitability CRS

CAS Number

STD-36505-84-7: IMP-L- 21098-11-3: IMP-N- 257877-44-4: IMP-E-257877-43-3: IMP-G-84746-24-7: IMP-J-2726492-72-2

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(Y0000588)VENLAFAXINE FOR SYSTEM SUITABILITY CRS

CAS Number

Venlafaxine STD - 93413-69-5 ; EP-IMP-D -149289-30-5 ; EP-IMP-F - 93413-57-1 ;

Alternate CAS Number

99300-78-4 (HCl Salt)

Amlodipine for peak identification CRS

(Y0001067) Amlodipine for peak identification CRS

CAS Number

STD-88150-42-9: IMP-D(RC-A)-113994-41-5: IMP-E-140171-65-9: IMP-F(RC-F): 140171-66-0

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(Y0001389) Candesartan Cilexetil for system suitability CRS

CAS Number

Candesartan Cilexetil - 145040-37-5 ; IMP-A -139481-58-6 ; IMP-B- 869631-11-8 ; IMP-F-914613-36-8;

Candesartan Cilexetil

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(Y0001432)Minoxidil for system suitability CRS

CAS Number

Minoxidil STD : 38304-91-5 : IMP - A - 35139-67-4 : IM - B - 156-83-2 : IM - E - 24867-26-3

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(Y0001587) ATOMOXETINE FOR IMPURITY A IDENTIFICATION CRS

CAS Number

STD - 83015-26-3 ; IMP - A - 56161-70-7

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(Y0002140) Almotriptan for system suitability CRS

CAS Number

Almotriptan STD-154323-57-6;181183-52-8(Malate Salt);1318723-17-9(HBr Salt);1318723-15-7(Sulphate Salt): IMP-A-334981-12-3;334981-35-0(Oxalate Salt)

Trazodone for system suitability CRS

(Y0002270)Trazodone for system suitability CRS

CAS Number

STD-19794-93-5: EP-IMP-C/USP RC-C-157072-19-0

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(Y0002505) Amlodipine for system suitability CRS

CAS Number

Amlodipine Standard - 88150-42-9;IMP-B- 721958-72-1: IMP-G(RC-C)- 43067-01-2

Alternate CAS Number

440358-84-9 (Mesilate Monohydrate Salt) , 111470-99-6 (Amlodipine Besilate - API (Besilate Salt)) , 88150-47-4 (Maleate Salt) , 246852-12-0 (Mesilate Salt) , 616203-96-4 (Nicotinate Salt) , 246852-09-5 (Hydrobromide Salt) ,246852-07-3 (Hydrochloride Salt)

(Z)-1-(Benzo[b]thiophen-2-yl)ethan-1-one Oxime

(Z)-1-(Benzo[b]thiophen-2-yl)ethan-1-one Oxime

CAS Number

147396-08-5

Alternate CAS Number

NA

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(Z)-Ethyl 2-(2-(4-acetoxyphenyl)hydrazono)-2-chloroacetate

CAS Number

NA

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(Z)-Ethyl 2-chloro-2-(2-(3-methoxyphenyl)hydrazono)acetate

CAS Number

405872-78-8

887589-52-8

1,1-Cyclohexane Diacetic Monoamide

CAS Number

887589-52-8

99189-60-3

1,1-Cyclohexanediacetic Acid Monoamide

CAS Number

99189-60-3

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1,1-Cyclohexanediacetic Acid Monoamide

CAS Number

99189-60-3

Chemical Primary Standard

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1,2,4-Triazolo[4,3-a]pyridin-3(2H)-one

CAS Number

6969-71-7

Chemical Primary Standard

1987905-93-0

1,3-bis((R)-3-(4-Amino-3-(4-phenoxyphenyl)-1H-pyrazolo[3,4-d]pyrimidin-1-yl)piperidin-1-yl)propan-1-one

CAS Number

1987905-93-0

854372-78-4

1,3-Dioxolane-4-methanol, 2-(2,4-dichlorophenyl)-2-(1H-1,2,4-triazol-1-ylmethyl)-, 4-methanesulfonate, (2R,4S)-rel-

CAS Number

854372-78-4

2748381-51-1

1,4-bis(4-(2,3-Dichlorophenyl)piperazin-1-yl)butane

CAS Number

2748381-51-1

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1,4-Bis(Benzo[b]thiophen-4-yl)-piperazine

CAS Number

2220149-89-1

357424-12-5

1,5,6,7,8,9-Hexahydro-5,9-methanoimidazo[4',5':4,5]benzo[1,2-d]azepine Dihydrocloride

CAS Number

357424-12-5

Alternate CAS Number

230615-10-8(HCl Salt)

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1,5-Dichloro-2-Fluoro-4-(trichloromethyl)benzene

CAS Number

86522-88-5

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1,7-Dimethylxanthine

CAS Number

611-59-6

Chemical Primary Standard

2514742-82-4

1-((5-Chloropyridin-3-yl)sulfonyl)-5-(2-fluorophenyl)-1H-pyrrole-3-carbaldehyde

CAS Number

2514742-82-4

1293489-71-0

1-(2-(o-Tolylthio)phenyl)piperazine

CAS Number

1293489-71-0(freebase)

Alternate CAS Number

1293342-91-2(HCl Salt); 1293343-91-5(HBr)

274901-37-0

1-(2-Chloroacetyl)pyrrolidine-2-carbonitrile

CAS Number

274901-37-0

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1-(2-Chloroethyl)piperidine Hydrochloride

CAS Number

2008-75-5

Chemical Primary Standard

110963-63-8

1-(2-Ethoxy-ethyl)-2-piperidin-4-yl-1H-benzimidazole

CAS Number

110963-63-8

Alternate CAS Number

1841081-72-8(HCl Salt);NA(HCl Sesquihydrate salt)

1841081-72-8

1-(2-Ethoxyethyl)-2-(piperidin-4-yl)-1H-benzo[d]imidazole hydrochloride

CAS Number

1841081-72-8

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1-(2-Fluorobenzyl)-1H-pyrazolo[3,4-b]pyridine-3-carbonitrile

CAS Number

256376-65-5

Chemical Primary Standard

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1-(2-Fluorobenzyl)-1H-pyrazolo[3,4-b]pyridine-3-carboximidamide hydrochloride

CAS Number

256499-19-1

Chemical Primary Standard

C20H22N2O

1-(3-(Dimethylamino)propyl)-1-phenyl-1,3-dihydroisobenzofuran-5-carbonitrile

CAS Number

1026009-77-7;1093072-86-6(Escitalopram - Impurity L (Oxalate Salt));

1-(3-Chloroallyl)-2-methyl-5-nitro-1H-imidazole

1-(3-Chloroallyl)-2-methyl-5-nitro-1H-imidazole

CAS Number

1384752-15-1

Alternate CAS Number

NA

2055542-18-0

1-(3-Ethoxy-4-methoxyphenyl)-2-(methylsulfonyl)ethan-1-ol

CAS Number

2055542-18-0

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1-(3-Ethoxy-4-methoxyphenyl)-2-(methylsulfonyl)ethan-1-one

CAS Number

1450657-28-9

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1-(3-hydroxyphenyl)-2-(methylamino)ethanone hydrochloride

CAS Number

94240-17-2

Chemical Primary Standard

1267610-26-3

1-(4-Aminophenyl)-3-morpholino-5,6-dihydropyridin-2(1H)-one

CAS Number

1267610-26-3

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1-(4-Aminophenyl)-3-morpholinopyridin-2(1H)-one

CAS Number

2816305-40-3

2247155-46-8

1-(4-Bromobutyl)-7-(4-chlorobutoxy)quinolin-2(1H)-one

CAS Number

2247155-46-8

1928718-22-2

1-(4-Ethoxyphenyl)-7-oxo-6-(4-(2-oxopiperidin-1-yl)phenyl)-4,5,6,7-tetrahydro-1H-pyrazolo[3,4-c]pyridine-3-carboxamide

CAS Number

1928718-22-2

2098457-92-0

1-(4-Methoxyphenyl)-6-(4-(2-methyl-6-oxopiperidin-1-yl)phenyl)-7-oxo-4,5,6,7-tetrahydro-1H-pyrazolo[3,4-c]pyridine-3-carboxamide

CAS Number

2098457-92-0

38560-30-4

1-(4-Nitrophenyl)piperidin-2-one

CAS Number

38560-30-4

2416241-97-7

1-(5-(2-Fluorophenyl)-1-((1,4,5,6-tetrahydropyridin-3-yl)sulfonyl)-1H-pyrrol-3-yl)-N-methylmethanamine

CAS Number

2416241-97-7

1610043-62-3

1-(5-(2-Fluorophenyl)-1H-pyrrol-3-yl)-N-methylmethanamine

CAS Number

1610043-62-3(free base);

Alternate CAS Number

1885094-64-3(fumarate Salt)