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METRONIDAZOLE ACID 4-NITRO ISOMER (25 mg) ((2-Methyl-4-nitro-1H-imidazol-1-yl)acetic acid)

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Catalogue No.

1A11160

CAS No.

16230-87-8

Molecular Formula

C₆H₇N₃O₄

Product Type

Pharmaceutical Analytical Impurities

Net Weight

25 mg

$780.00

Quantity
METRONIDAZOLE ACID 4-NITRO ISOMER (25 mg) ((2-Methyl-4-nitro-1H-imidazol-1-yl)acetic acid) quantity

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METRONIDAZOLE ACID 4-NITRO ISOMER (25 mg) ((2-Methyl-4-nitro-1H-imidazol-1-yl)acetic acid)

Catalogue No.

1A11160

CAS No.

16230-87-8

Molecular Formula

C₆H₇N₃O₄

Product Type

Pharmaceutical Analytical Impurities

$780.00

Quantity
METRONIDAZOLE ACID 4-NITRO ISOMER (25 mg) ((2-Methyl-4-nitro-1H-imidazol-1-yl)acetic acid) quantity
N-(2-BENZOYLPHENYL)-4-METHYLBENZENESULFONAMIDE (100 mg) (2-(p-Toluenesulfonamido)benzophenone)

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Catalogue No.

1800128

CAS No.

1859-71-8

Molecular Formula

C₂₀H₁₇NO₃S

Product Type

Pharmaceutical Analytical Impurities

Net Weight

100 mg

$250.00

Quantity
N-(2-BENZOYLPHENYL)-4-METHYLBENZENESULFONAMIDE (100 mg) (2-(p-Toluenesulfonamido)benzophenone) quantity

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N-(2-BENZOYLPHENYL)-4-METHYLBENZENESULFONAMIDE (100 mg) (2-(p-Toluenesulfonamido)benzophenone)

Catalogue No.

1800128

CAS No.

1859-71-8

Molecular Formula

C₂₀H₁₇NO₃S

Product Type

Pharmaceutical Analytical Impurities

$250.00

Quantity
N-(2-BENZOYLPHENYL)-4-METHYLBENZENESULFONAMIDE (100 mg) (2-(p-Toluenesulfonamido)benzophenone) quantity
N-(DICHLOROACETYL)-2,6-XYLIDIDE (25 mg) (N-(2,6-Dimethylphenyl)-2,2-dichloroacetamide)

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Catalogue No.

1A10480

CAS No.

39084-88-3

Molecular Formula

C₁₀H₁₁NOCl₂

Product Type

Pharmaceutical Analytical Impurities

Net Weight

25 mg

$725.00

Quantity
N-(DICHLOROACETYL)-2,6-XYLIDIDE (25 mg) (N-(2,6-Dimethylphenyl)-2,2-dichloroacetamide) quantity

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N-(DICHLOROACETYL)-2,6-XYLIDIDE (25 mg) (N-(2,6-Dimethylphenyl)-2,2-dichloroacetamide)

Catalogue No.

1A10480

CAS No.

39084-88-3

Molecular Formula

C₁₀H₁₁NOCl₂

Product Type

Pharmaceutical Analytical Impurities

$725.00

Quantity
N-(DICHLOROACETYL)-2,6-XYLIDIDE (25 mg) (N-(2,6-Dimethylphenyl)-2,2-dichloroacetamide) quantity
N-ACETYL THYROXINE (25 mg) (N-Acetyl-O-(4-hydroxy-3,5-diiodophenyl)-3,5-diiodo-L-tyrosine )

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Catalogue No.

1A10860

CAS No.

26041-51-0

Molecular Formula

C₁₇H₁₃I₄NO₅

Product Type

Pharmaceutical Analytical Impurities

Net Weight

25 mg

$750.00

Quantity
N-ACETYL THYROXINE (25 mg) (N-Acetyl-O-(4-hydroxy-3,5-diiodophenyl)-3,5-diiodo-L-tyrosine ) quantity

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N-ACETYL THYROXINE (25 mg) (N-Acetyl-O-(4-hydroxy-3,5-diiodophenyl)-3,5-diiodo-L-tyrosine )

Catalogue No.

1A10860

CAS No.

26041-51-0

Molecular Formula

C₁₇H₁₃I₄NO₅

Product Type

Pharmaceutical Analytical Impurities

$750.00

Quantity
N-ACETYL THYROXINE (25 mg) (N-Acetyl-O-(4-hydroxy-3,5-diiodophenyl)-3,5-diiodo-L-tyrosine ) quantity
N-BENZYL ALBUTEROL (25 mg) (4-{2-[Benzyl(tert-butyl)amino]-1-hydroxyethyl}-2-(hydroxymethyl)phenol )

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Catalogue No.

1A11470

CAS No.

24085-03-8

Molecular Formula

C₂₀H₂₇NO₃

Product Type

Pharmaceutical Analytical Impurities

Net Weight

25 mg

$625.00

Quantity
N-BENZYL ALBUTEROL (25 mg) (4-{2-[Benzyl(tert-butyl)amino]-1-hydroxyethyl}-2-(hydroxymethyl)phenol ) quantity

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N-BENZYL ALBUTEROL (25 mg) (4-{2-[Benzyl(tert-butyl)amino]-1-hydroxyethyl}-2-(hydroxymethyl)phenol )

Catalogue No.

1A11470

CAS No.

24085-03-8

Molecular Formula

C₂₀H₂₇NO₃

Product Type

Pharmaceutical Analytical Impurities

$625.00

Quantity
N-BENZYL ALBUTEROL (25 mg) (4-{2-[Benzyl(tert-butyl)amino]-1-hydroxyethyl}-2-(hydroxymethyl)phenol ) quantity
N-CARBAMOYLCARBAMAZEPINE (25 mg) (N-Carbamoyl-5H-dibenzo[b,f]azepine-5-carboxamide)

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Catalogue No.

1A13350

CAS No.

1219170-51-0

Molecular Formula

C₁₆H₁₃N₃O₂

Product Type

Pharmaceutical Analytical Impurities

Net Weight

25 mg

$450.00

Quantity
N-CARBAMOYLCARBAMAZEPINE (25 mg) (N-Carbamoyl-5H-dibenzo[b,f]azepine-5-carboxamide) quantity

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N-CARBAMOYLCARBAMAZEPINE (25 mg) (N-Carbamoyl-5H-dibenzo[b,f]azepine-5-carboxamide)

Catalogue No.

1A13350

CAS No.

1219170-51-0

Molecular Formula

C₁₆H₁₃N₃O₂

Product Type

Pharmaceutical Analytical Impurities

$450.00

Quantity
N-CARBAMOYLCARBAMAZEPINE (25 mg) (N-Carbamoyl-5H-dibenzo[b,f]azepine-5-carboxamide) quantity
N-ETHYL ESMOLOL (25 mg) (Methyl 3-{4-[3-(ethylamino)-2-hydroxypropoxy]phenyl}propionate)

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Catalogue No.

1A12610

CAS No.

2469273-97-8

Molecular Formula

C₁₅H₂₃NO₄

Product Type

Pharmaceutical Analytical Impurities

Net Weight

25 mg

$550.00

Quantity
N-ETHYL ESMOLOL (25 mg) (Methyl 3-{4-[3-(ethylamino)-2-hydroxypropoxy]phenyl}propionate) quantity

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N-ETHYL ESMOLOL (25 mg) (Methyl 3-{4-[3-(ethylamino)-2-hydroxypropoxy]phenyl}propionate)

Catalogue No.

1A12610

CAS No.

2469273-97-8

Molecular Formula

C₁₅H₂₃NO₄

Product Type

Pharmaceutical Analytical Impurities

$550.00

Quantity
N-ETHYL ESMOLOL (25 mg) (Methyl 3-{4-[3-(ethylamino)-2-hydroxypropoxy]phenyl}propionate) quantity
N-ETHYLMELOXICAM (25 mg) (N-[3-Ethyl-5-methylthiazol-2(3H)-ylidene]-4-hydroxy-2-methyl-2H-benzo[e][1,2]thiazine-3-carboxamide 1,1-dioxide)

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Catalogue No.

1A13240

CAS No.

1331636-17-9

Molecular Formula

C₁₆H₁₇N₃O₄S₂

Product Type

Pharmaceutical Analytical Impurities

Net Weight

25 mg

$625.00

Quantity
N-ETHYLMELOXICAM (25 mg) (N-[3-Ethyl-5-methylthiazol-2(3H)-ylidene]-4-hydroxy-2-methyl-2H-benzo[e][1,2]thiazine-3-carboxamide 1,1-dioxide) quantity

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N-ETHYLMELOXICAM (25 mg) (N-[3-Ethyl-5-methylthiazol-2(3H)-ylidene]-4-hydroxy-2-methyl-2H-benzo[e][1,2]thiazine-3-carboxamide 1,1-dioxide)

Catalogue No.

1A13240

CAS No.

1331636-17-9

Molecular Formula

C₁₆H₁₇N₃O₄S₂

Product Type

Pharmaceutical Analytical Impurities

$625.00

Quantity
N-ETHYLMELOXICAM (25 mg) (N-[3-Ethyl-5-methylthiazol-2(3H)-ylidene]-4-hydroxy-2-methyl-2H-benzo[e][1,2]thiazine-3-carboxamide 1,1-dioxide) quantity
N,O-DIACETYL DIIODOTYROSINE (25 mg) ((S)-2-Acetamido-3-(4-acetoxy-3,5-diiodophenyl)propanoic acid)

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Catalogue No.

1A11110

CAS No.

153324-21-1

Molecular Formula

C₁₃H₁₃I₂NO₅

Product Type

Pharmaceutical Analytical Impurities

Net Weight

25 mg

$425.00

Quantity
N,O-DIACETYL DIIODOTYROSINE (25 mg) ((S)-2-Acetamido-3-(4-acetoxy-3,5-diiodophenyl)propanoic acid) quantity

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N,O-DIACETYL DIIODOTYROSINE (25 mg) ((S)-2-Acetamido-3-(4-acetoxy-3,5-diiodophenyl)propanoic acid)

Catalogue No.

1A11110

CAS No.

153324-21-1

Molecular Formula

C₁₃H₁₃I₂NO₅

Product Type

Pharmaceutical Analytical Impurities

$425.00

Quantity
N,O-DIACETYL DIIODOTYROSINE (25 mg) ((S)-2-Acetamido-3-(4-acetoxy-3,5-diiodophenyl)propanoic acid) quantity
NAPROXEN ETHYL ESTER (25 mg) ((S)-Ethyl 2-(6-methoxynaphthalen-2-yl)propanoate)

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Catalogue No.

1A10440

CAS No.

31220-35-6

Molecular Formula

C₁₆H₁₈O₃

Product Type

Pharmaceutical Analytical Impurities

Net Weight

25 mg

$625.00

Quantity
NAPROXEN ETHYL ESTER (25 mg) ((S)-Ethyl 2-(6-methoxynaphthalen-2-yl)propanoate) quantity

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NAPROXEN ETHYL ESTER (25 mg) ((S)-Ethyl 2-(6-methoxynaphthalen-2-yl)propanoate)

Catalogue No.

1A10440

CAS No.

31220-35-6

Molecular Formula

C₁₆H₁₈O₃

Product Type

Pharmaceutical Analytical Impurities

$625.00

Quantity
NAPROXEN ETHYL ESTER (25 mg) ((S)-Ethyl 2-(6-methoxynaphthalen-2-yl)propanoate) quantity
NICARDIPINE N-OXIDE (25 mg) (N-Benzyl-2-{[5-(methoxycarbonyl)-2,6-dimethyl-4-(3-nitrophenyl)-1,4-dihydropyridine-3-carbonyl]oxy}-N-methylethan-1-amine oxide)

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Catalogue No.

1A11170

CAS No.

2724510-66-9

Molecular Formula

C₂₆H₂₉N₃O₇

Product Type

Pharmaceutical Analytical Impurities

Net Weight

25 mg

$510.00

Quantity
NICARDIPINE N-OXIDE (25 mg) (N-Benzyl-2-{[5-(methoxycarbonyl)-2,6-dimethyl-4-(3-nitrophenyl)-1,4-dihydropyridine-3-carbonyl]oxy}-N-methylethan-1-amine oxide) quantity

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NICARDIPINE N-OXIDE (25 mg) (N-Benzyl-2-{[5-(methoxycarbonyl)-2,6-dimethyl-4-(3-nitrophenyl)-1,4-dihydropyridine-3-carbonyl]oxy}-N-methylethan-1-amine oxide)

Catalogue No.

1A11170

CAS No.

2724510-66-9

Molecular Formula

C₂₆H₂₉N₃O₇

Product Type

Pharmaceutical Analytical Impurities

$510.00

Quantity
NICARDIPINE N-OXIDE (25 mg) (N-Benzyl-2-{[5-(methoxycarbonyl)-2,6-dimethyl-4-(3-nitrophenyl)-1,4-dihydropyridine-3-carbonyl]oxy}-N-methylethan-1-amine oxide) quantity
NONACOSANE (100 mg) (Nonacosane)

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Catalogue No.

1800169

CAS No.

630-03-5

Molecular Formula

C₂₉H₆₀

Product Type

Pharmaceutical Analytical Impurities

Net Weight

100 mg

$250.00

Quantity
NONACOSANE (100 mg) (Nonacosane) quantity

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NONACOSANE (100 mg) (Nonacosane)

Catalogue No.

1800169

CAS No.

630-03-5

Molecular Formula

C₂₉H₆₀

Product Type

Pharmaceutical Analytical Impurities

$250.00

Quantity
NONACOSANE (100 mg) (Nonacosane) quantity
O-(4-HYDROXY-3,5-DIIODOPHENYL) THYROXINE (25 mg) ((S)-2-Amino-3-{4-[4-(4-hydroxy-3,5-diiodophenoxy)-3,5-diiodophenoxy]-3,5-diiodophenyl}propanoic acid)

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Catalogue No.

1A11710

CAS No.

911661-90-0

Molecular Formula

C₂₁H₁₃I₆NO₅

Product Type

Pharmaceutical Analytical Impurities

Net Weight

25 mg

$725.00

Quantity
O-(4-HYDROXY-3,5-DIIODOPHENYL) THYROXINE (25 mg) ((S)-2-Amino-3-{4-[4-(4-hydroxy-3,5-diiodophenoxy)-3,5-diiodophenoxy]-3,5-diiodophenyl}propanoic acid) quantity

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O-(4-HYDROXY-3,5-DIIODOPHENYL) THYROXINE (25 mg) ((S)-2-Amino-3-{4-[4-(4-hydroxy-3,5-diiodophenoxy)-3,5-diiodophenoxy]-3,5-diiodophenyl}propanoic acid)

Catalogue No.

1A11710

CAS No.

911661-90-0

Molecular Formula

C₂₁H₁₃I₆NO₅

Product Type

Pharmaceutical Analytical Impurities

$725.00

Quantity
O-(4-HYDROXY-3,5-DIIODOPHENYL) THYROXINE (25 mg) ((S)-2-Amino-3-{4-[4-(4-hydroxy-3,5-diiodophenoxy)-3,5-diiodophenoxy]-3,5-diiodophenyl}propanoic acid) quantity
O-ACETYL IOPAMIDOL (25 mg) ((S)-5-[[2-(acetyloxy)-1-oxopropyl]amino]-N,N′-bis[2-hydroxy-1-(hydroxymethyl)ethyl]-2,4,6-triiodo-1,3-Benzenedicarboxamide)

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Catalogue No.

1A10020

CAS No.

60166-92-9

Molecular Formula

C₁₉H₂₄I₃N₃O₉

Product Type

Pharmaceutical Analytical Impurities

Net Weight

25 mg

$965.00

Quantity
O-ACETYL IOPAMIDOL (25 mg) ((S)-5-[[2-(acetyloxy)-1-oxopropyl]amino]-N,N′-bis[2-hydroxy-1-(hydroxymethyl)ethyl]-2,4,6-triiodo-1,3-Benzenedicarboxamide) quantity

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O-ACETYL IOPAMIDOL (25 mg) ((S)-5-[[2-(acetyloxy)-1-oxopropyl]amino]-N,N′-bis[2-hydroxy-1-(hydroxymethyl)ethyl]-2,4,6-triiodo-1,3-Benzenedicarboxamide)

Catalogue No.

1A10020

CAS No.

60166-92-9

Molecular Formula

C₁₉H₂₄I₃N₃O₉

Product Type

Pharmaceutical Analytical Impurities

$965.00

Quantity
O-ACETYL IOPAMIDOL (25 mg) ((S)-5-[[2-(acetyloxy)-1-oxopropyl]amino]-N,N′-bis[2-hydroxy-1-(hydroxymethyl)ethyl]-2,4,6-triiodo-1,3-Benzenedicarboxamide) quantity
O-BENZYL ALBUTEROL (25 mg) (1-(4-(Benzyloxy)-3-(hydroxymethyl)phenyl)-2-(tert-butylamino)ethanol)

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Catalogue No.

1A10550

CAS No.

56796-66-8

Molecular Formula

C₂₀H₂₇NO₃

Product Type

Pharmaceutical Analytical Impurities

Net Weight

25 mg

$590.00

Quantity
O-BENZYL ALBUTEROL (25 mg) (1-(4-(Benzyloxy)-3-(hydroxymethyl)phenyl)-2-(tert-butylamino)ethanol) quantity

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O-BENZYL ALBUTEROL (25 mg) (1-(4-(Benzyloxy)-3-(hydroxymethyl)phenyl)-2-(tert-butylamino)ethanol)

Catalogue No.

1A10550

CAS No.

56796-66-8

Molecular Formula

C₂₀H₂₇NO₃

Product Type

Pharmaceutical Analytical Impurities

$590.00

Quantity
O-BENZYL ALBUTEROL (25 mg) (1-(4-(Benzyloxy)-3-(hydroxymethyl)phenyl)-2-(tert-butylamino)ethanol) quantity
O-DESETHYL AMLODIPINE (25 mg) (2-[(2-Aminoethoxy)methyl]-4-(2-chlorophenyl)-5-(methoxycarbonyl)-6-methyl-1,4-dihydropyridine-3-carboxylic acid)

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Catalogue No.

1A10920

CAS No.

1809326-44-0

Molecular Formula

C₁₈H₂₁ClN₂O₅

Product Type

Pharmaceutical Analytical Impurities

Net Weight

25 mg

$685.00

Quantity
O-DESETHYL AMLODIPINE (25 mg) (2-[(2-Aminoethoxy)methyl]-4-(2-chlorophenyl)-5-(methoxycarbonyl)-6-methyl-1,4-dihydropyridine-3-carboxylic acid) quantity

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O-DESETHYL AMLODIPINE (25 mg) (2-[(2-Aminoethoxy)methyl]-4-(2-chlorophenyl)-5-(methoxycarbonyl)-6-methyl-1,4-dihydropyridine-3-carboxylic acid)

Catalogue No.

1A10920

CAS No.

1809326-44-0

Molecular Formula

C₁₈H₂₁ClN₂O₅

Product Type

Pharmaceutical Analytical Impurities

$685.00

Quantity
O-DESETHYL AMLODIPINE (25 mg) (2-[(2-Aminoethoxy)methyl]-4-(2-chlorophenyl)-5-(methoxycarbonyl)-6-methyl-1,4-dihydropyridine-3-carboxylic acid) quantity

All

METRONIDAZOLE ACID 4-NITRO ISOMER (25 mg) ((2-Methyl-4-nitro-1H-imidazol-1-yl)acetic acid)

N-(2-BENZOYLPHENYL)-4-METHYLBENZENESULFONAMIDE (100 mg) (2-(p-Toluenesulfonamido)benzophenone)

N-(DICHLOROACETYL)-2,6-XYLIDIDE (25 mg) (N-(2,6-Dimethylphenyl)-2,2-dichloroacetamide)

N-ACETYL THYROXINE (25 mg) (N-Acetyl-O-(4-hydroxy-3,5-diiodophenyl)-3,5-diiodo-L-tyrosine )

N-BENZYL ALBUTEROL (25 mg) (4-{2-[Benzyl(tert-butyl)amino]-1-hydroxyethyl}-2-(hydroxymethyl)phenol )

N-CARBAMOYLCARBAMAZEPINE (25 mg) (N-Carbamoyl-5H-dibenzo[b,f]azepine-5-carboxamide)

N-ETHYL ESMOLOL (25 mg) (Methyl 3-{4-[3-(ethylamino)-2-hydroxypropoxy]phenyl}propionate)

N-ETHYLMELOXICAM (25 mg) (N-[3-Ethyl-5-methylthiazol-2(3H)-ylidene]-4-hydroxy-2-methyl-2H-benzo[e][1,2]thiazine-3-carboxamide 1,1-dioxide)

N,O-DIACETYL DIIODOTYROSINE (25 mg) ((S)-2-Acetamido-3-(4-acetoxy-3,5-diiodophenyl)propanoic acid)

NAPROXEN ETHYL ESTER (25 mg) ((S)-Ethyl 2-(6-methoxynaphthalen-2-yl)propanoate)

NICARDIPINE N-OXIDE (25 mg) (N-Benzyl-2-{[5-(methoxycarbonyl)-2,6-dimethyl-4-(3-nitrophenyl)-1,4-dihydropyridine-3-carbonyl]oxy}-N-methylethan-1-amine oxide)

NONACOSANE (100 mg) (Nonacosane)

O-(4-HYDROXY-3,5-DIIODOPHENYL) THYROXINE (25 mg) ((S)-2-Amino-3-{4-[4-(4-hydroxy-3,5-diiodophenoxy)-3,5-diiodophenoxy]-3,5-diiodophenyl}propanoic acid)

O-ACETYL IOPAMIDOL (25 mg) ((S)-5-[[2-(acetyloxy)-1-oxopropyl]amino]-N,N′-bis[2-hydroxy-1-(hydroxymethyl)ethyl]-2,4,6-triiodo-1,3-Benzenedicarboxamide)

O-BENZYL ALBUTEROL (25 mg) (1-(4-(Benzyloxy)-3-(hydroxymethyl)phenyl)-2-(tert-butylamino)ethanol)

O-DESETHYL AMLODIPINE (25 mg) (2-[(2-Aminoethoxy)methyl]-4-(2-chlorophenyl)-5-(methoxycarbonyl)-6-methyl-1,4-dihydropyridine-3-carboxylic acid)

Other Product Categories

Pharmaceutical Impurity Standards

Pharmaceutical Reference Standards

Pharmaceutical Intermediates

Working Standards

Stable Isotope Labeled Compounds

Nitrosamine Impurities

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