Showing 1777–1788 of 1950 results

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Lamivudine EP Impurity J

$312.00$625.00

Cat. No: IS2-274

CAS Number:   145986-07-8

Product Details:  Molecular Formula : C8H1N2O4S; MW : 23.24

IUPAC:  1-[(2R,5S)-2-(hydroxymethyl)-1,3-oxathiolan-5-yl]pyrimidine-2,4-dione

Synonyms:  145986-7-8; UNII-X3WEO4IF65; 1-(2-(Hydroxymethyl)-1,3-oxathiolan-5-yl)pyrimidine-2,4(1H,3H)-dione, (2R,5S)-; X3WEO4IF65; 1-[(2R,5S)-2-(hydroxymethyl)-1,3-oxathiolan-5-yl]pyrimidine-2,4-dione; 2-OHMe-1,3-OxathiolanU

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Lamivudine EP Impurity H / R Sulfoxide

$312.00$625.00

Cat. No: IS2-273

CAS Number:   160552-54-5

Product Details:  Molecular Formula : C8H11N3O4S; MW : 245.26

IUPAC:  4-amino-1-[2-(hydroxymethyl)-3-oxo-1,3-oxathiolan-5-yl]pyrimidin-2-one

Synonyms:  (R)-lamivudine sulfoxide; Lamivudine impurity H; UNII-3SN4QFF34D; 3SN4QFF34D; Lamivudine sulfoxide, (R)-; GI-13887X

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Lamivudine EP Impurity C

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Cat. No: IS2-272

CAS Number:   69-72-7

Product Details:  Molecular Formula : C7H6O3; MW : 138.12

IUPAC:  2-hydroxybenzoic acid

Synonyms:  salicylic acid; 2-Hydroxybenzoic acid; 69-72-7; o-hydroxybenzoic acid; 2-Carboxyphenol; o-Carboxyphenol

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Trimethoprim EP Impurity J

$166.00$333.00

Cat. No: IS2-271

CAS Number:   118-41-2

Product Details:  Molecular Formula : C1H12O5; MW : 212.2

IUPAC:  3,4,5-trimethoxybenzoic acid

Synonyms:  3,4,5-TRIMETHOXYBENZOIC ACID; 118-41-2; Eudesmic acid; Gallic acid trimethyl ether; Trimethylgallic acid; Tri-O-methylgallic acid

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Trimethoprim EP Impurity H

$166.00$333.00

Cat. No: IS2-270

CAS Number:   1916-07-0

Product Details:  Molecular Formula : C11H14O5; MW : 226.23

IUPAC:  methyl 3,4,5-trimethoxybenzoate

Synonyms:  Methyl 3,4,5-trimethoxybenzoate; 1916-7-; Trimethylgallic acid methyl ester; 3,4,5-Trimethoxybenzoic acid methyl ester; BENZOIC ACID, 3,4,5-TRIMETHOXY-, METHYL ESTER; Methyl tri-O-methylgallate

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Pyridoxine Impurity B

$208.00$416.00

Cat. No: IS2-269

CAS Number:   148-51-6

Product Details:  Molecular Formula : C8H12ClNO2; MW : 189.64

IUPAC:  5-(hydroxymethyl)-2,4-dimethylpyridin-3-ol;hydrochloride

Synonyms:  4-Deoxypyridoxine hydrochloride; 148-51-6; 4-Desoxypyridoxine hydrochloride; 4-Desoxyadermin; 5-(hydroxymethyl)-2,4-dimethylpyridin-3-ol hydrochloride; 4 DOP hydrochloride

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Meloxicam EP Impurity E

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Cat. No: IS2-268

CAS Number:   35511-15-0

Product Details:  Molecular Formula : C11H11NO5S; MW : 269.28

IUPAC:  methyl 4-hydroxy-2-methyl-1,1-dioxo-1lambda6,2-benzothiazine-3-carboxylate

Synonyms:  35511-15-; Methyl 2-methyl-4-hydroxy-2H-1,2-benzothiazine-3-carboxylate 1,1-dioxide; 2-Methyl-4-hydroxy-2H-1,2-benzothiazine-3-carboxylic methyl ester-1,1-dioxide; Methyl 4-hydroxy-2-methyl-2H-1,2-benzothiazine-3-carboxylate 1,1-dioxide; UNII-Z7C4J6BW2K; Z7C4J6BW2K

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Meloxicam EP Impurity D

$312.00$625.00

Cat. No: IS2-267

CAS Number:   1331636-17-9

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

IUPAC:  Request Info

Synonyms:  Request Info

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Meloxicam EP Impurity C

$312.00$625.00

Cat. No: IS2-266

CAS Number:   1262333-25-4

Product Details:  Molecular Formula : C15H15N3O4S2; MW : 365.4

IUPAC:  N-(3,5-dimethyl-1,3-thiazol-2-ylidene)-4-hydroxy-2-methyl-1,1-dioxo-1lambda6,2-benzothiazine-3-carboxamide

Synonyms:  Meloxicam Impurity C; 1262333-25-4; (Z)-N-methyl meloxicam; N-(3,5-dimethyl-1,3-thiazol-2-ylidene)-4-hydroxy-2-methyl-1,1-dioxo-1lambda6,2-benzothiazine-3-carboxamide; [N(Z)]-N-(3,5-Dimethyl-2(3H)-thiazolylidene)-4-hydroxy-2-methyl-2H-1,2-benzothiazine-3-carboxamide 1; (Z)-N'-Methylmeloxicam

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Meloxicam EP Impurity B

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Cat. No: IS2-265

CAS Number:   7305-71-7

Product Details:  Molecular Formula : C4H6N2S; MW : 114.17

IUPAC:  5-methyl-1,3-thiazol-2-amine

Synonyms:  2-Amino-5-methylthiazole; 735-71-7; 5-Methyl-1,3-thiazol-2-amine; 5-methylthiazol-2-amine; 2-Amino-5-methyl-thiazole; 2-Thiazolamine, 5-methyl-

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Meloxicam USP Related Compound A

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Cat. No: IS2-264

CAS Number:   24683-26-9

Product Details:  Molecular Formula : C12H13NO5S; MW : 283.3

IUPAC:  ethyl 4-hydroxy-2-methyl-1,1-dioxo-1lambda6,2-benzothiazine-3-carboxylate

Synonyms:  24683-26-9; 113913-36-3; Ethyl 4-hydroxy-2-methyl-2H-1,2-benzothiazine-3-carboxylate 1,1-dioxide; Ethyl 4-hydroxy-2-methyl-2H-benzo[e][1,2]thiazine-3-carboxylate 1,1-dioxide; 2-Methyl-4-hydroxy-2H-1,2-benzothiazine-3-carboxylic acid ethyl ester 1,1-dioxide; UNII-EAD64Z1YS1

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Donepezil Hydroxy Keto Impurity

$375.00$750.00

Cat. No: IS2-263

CAS Number:   197010-20-1

Product Details:  Molecular Formula : C24H29NO4; MW : 395.5

IUPAC:  2-[(1-benzylpiperidin-4-yl)-hydroxymethyl]-5,6-dimethoxy-2,3-dihydroinden-1-one

Synonyms:  Hydroxydonepezil; 1971-2-1; Hydroxy Donepezil; UNII-QOC5N31PX8; QOC5N31PX8; 2-[(1-Benzylpiperidin-4-yl)hydroxymethyl]-5,6-dimethoxyindan-1-one

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