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Donepezil EP Impurity D Request a Quote

Donepezil EP Impurity B

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>Cat. No: DNP202

CAS Number:   2107-69-9

Product Details:   Mol. Formula: C11H12O3,Mol. Weight: 192.21

IUPAC:  5,6-dimethoxy-2,3-dihydroinden-1-one

Synonyms:  5,6-Dimethoxy-1-indanone, 2107-69-9, 5,6-dimethoxy-2,3-dihydro-1H-inden-1-one, 5,6-Dimethoxyindan-1-one

Stock Status:  Ready Stock

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SKU: IS4-380 Categories: Impurities, MORE Tags: Impurities, standards
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Description

>Cat. No: DNP202

CAS Number:   2107-69-9

Product Details:   Mol. Formula: C11H12O3,Mol. Weight: 192.21

IUPAC:  5,6-dimethoxy-2,3-dihydroinden-1-one

Synonyms:  5,6-Dimethoxy-1-indanone, 2107-69-9, 5,6-dimethoxy-2,3-dihydro-1H-inden-1-one, 5,6-Dimethoxyindan-1-one

Stock Status:  Ready Stock

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4-(bromomethyl)-6,7-dimethoxychromen-2-one

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Cat. No: IS3-496

CAS Number:   88404-25-5

Product Details:  Molecular Formula: C12H11BrO4, MW: 299.12

IUPAC:  4-(bromomethyl)-6,7-dimethoxychromen-2-one

Synonyms:  88404-25-5, 4-Bromomethyl-6,7-dimethoxycoumarin, 4-(bromomethyl)-6,7-dimethoxy-2h-chromen-2-one, 4-(bromomethyl)-6,7-dimethoxychromen-2-one

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7-bromo-[1,2,4]triazolo[1,5-a]pyridin-2-amine

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Cat. No: IS3-637

CAS Number:   882521-63-3

Product Details:  Molecular Formula: C6H5BrN4, MW: 213.03

IUPAC:  7-bromo-[1,2,4]triazolo[1,5-a]pyridin-2-amine

Synonyms:  7-Bromo-[1,2,4]triazolo[1,5-a]pyridin-2-amine, 882521-63-3, 2-AMINO-7-BROMO-[1,2,4]TRIAZOLO[1,5-A]PYRIDINE, 7-Bromo-[1,2,4]triazolo[1,5-a]pyridin-2-ylamine

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Glimepiride EP Impurity C

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>Cat. No: GLM203

CAS Number:   119018-30-3

Product Details:   Mol. Formula: C18H23N3O6S,Mol. Weight: 409.5

IUPAC:  methyl N-[4-[2-[(4-ethyl-3-methyl-5-oxo-2H-pyrrole-1-carbonyl)amino]ethyl]phenyl]sulfonylcarbamate

Synonyms:  Glimepiride urethane, 119018-30-3, Glimepiride Impurity C, UNII-A72YB30612

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>Cat. No: MSL205

CAS Number:   65-49-6

Product Details:   Mol. Formula: C7H7NO3,Mol. Weight: 153.14

IUPAC:  4-amino-2-hydroxybenzoic acid

Synonyms:  4-Aminosalicylic acid, 4-Amino-2-hydroxybenzoic acid, 65-49-6, Aminosalicylic acid

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CAS Number:   172617-84-4

Product Details:  Molecular Formula : C37H7N2O12; MW : 735

IUPAC:  (2R,3S,4R,5R,8R,1R,11R,12S,13S,14R)-2-ethyl-3,4,1-trihydroxy-13-[(2R,4R,5S,6S)-5-hydroxy-4-methoxy-4,6-dimethyloxan-2-yl]oxy-11-[(2S,3R,4S,6R)-3-hydroxy-6-methyl-4-(methylamino)oxan-2-yl]oxy-3,5,6,8,1,12,14-heptamethyl-1-oxa-6-azacyclopentadecan-15-one

Synonyms:  N'-(Desmethyl)azithromycin; 172617-84-4; N'-Desmethyl Azithromycin; UNII-3E93A68ETO; 3'-N-Desmethylazithromycin; 3E93A68ETO

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Cetrizine Ep impurity C

$187.00 – $375.00

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Product Details:  Molecular Formula : C21H25ClN2O3; MW : 388.9

IUPAC:  2-[2-[4-[(2-chlorophenyl)-phenylmethyl]piperazin-1-yl]ethoxy]acetic acid

Synonyms:  Cetirizine impurity C; 2-Chlorocetirizine; 83881-59-8; 2-[2-[4-[(2-chlorophenyl)-phenylmethyl]piperazin-1-yl]ethoxy]acetic acid; (RS)-2-[2-[4-[(2-Chloro-phenyl)phenylMethyl]piperazin-1-yl]ethoxy]aceticAcidDihydrochloride; Cetirizine 2-Chloro Impurity Dihydrochloride

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Valproic Acid EP Impurity C

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Cat. No: IS2-388

CAS Number:   62391-99-5

Product Details:  Molecular Formula : C8H16O2; MW : 144.21

IUPAC:  2-propan-2-ylpentanoic acid

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CAS Number:   5343-52-2

Product Details:  Molecular Formula : C8H16O2; MW : 144.21

IUPAC:  2-ethyl-2-methylpentanoic acid

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Pramipexole N2- Propionyl impurity

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Cat. No: IS2-378

CAS Number:   1801892-43-2

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

IUPAC:  Request Info

Synonyms:  Request Info

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azithromycin Imp-C

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Cat. No: IS2-385

CAS Number:   NA

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

IUPAC:  Request Info

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CAS Number:   76801-85-9

Product Details:  Molecular Formula : C37H7N2O12; MW : 735

IUPAC:  (2R,3S,4R,5R,8R,1S,11R,12S,13S,14R)-11-[4-(dimethylamino)-3-hydroxy-6-methyloxan-2-yl]oxy-2-ethyl-3,4,1-trihydroxy-13-(5-hydroxy-4-methoxy-4,6-dimethyloxan-2-yl)oxy-3,5,8,1,12,14-hexamethyl-1-oxa-6-azacyclopentadecan-15-one

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CAS Number:   3274-28-0

Product Details:  Molecular Formula : C9H18O2; MW : 158.24

IUPAC:  2-propylhexanoic acid

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