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The following impurities are available with SUMA Laboratories Pvt Limited. Click here to Download our impurities in pdf format...UPDATED

Product list 351 - 400:

S.No Compound Name CAS Remarks
351 (2R,3S,4S,5R,6S)-2-(4-Chloro-3-(4-ethoxybenzyl)phenyl)-6-(hydroxymethyl)tetrahydro-2H-pyran-3,4,5-triol NA Dapagliflozin Enantiomer
352 (4S,12aR)-N-(2,4-Difluorobenzyl)-7-hydroxy-4-methyl-6,8-dioxo-3,4,6,8,12,12a-hexahydro-2H-pyrido[1`,2`:4,5]pyrazino[2,1-b][1,3]oxazine-9-carboxamide 1309560-49-3 Dolutegravir Enantiomer (Dolutegravir SR Isomer)
353 (4R,​12aR)​-N-​[(2,​4-Difluorophenyl)​methyl]​-​3,​4,​6,​8,​12,​12a-​hexahydro-​7-​hydroxy-​4-​methyl-​6,​8-​dioxo-​2H-pPyrido[1’,​2’:4,​5]​pyrazino[2,​1-​b]​[1,​3]​oxazine-​9-​carboxamide 1357289-29-2 Dolutegravir Diastereomer (Dolutegravir RR Isomer)
354 (4R,12aS)-N-Benzyl-7-hydroxy-4-methyl-6,8-dioxo-3,4,6,8,12,12a-hexahydro-2H-pyrido[1',2':4,5]pyrazino[2,1-b][1,3]oxazine-9-carboxamide 2244161-71-3 Desflouro Dolutegravir
355 (4R,12aS)-N-(4-Fluorobenzyl)-7-hydroxy-4-methyl-6,8-dioxo-3,4,6,8,12,12a-hexahydro-2H-pyrido[1’,2’:4,5]pyrazino[2,1-b][1,3]oxazine-9-carboxamide 1863916-88-4 4-Flouro Dolutegravir
356 (4R,12aS)-N-(2-Fluorobenzyl)-7-hydroxy-4-methyl-6,8-dioxo-3,4,6,8,12,12a-hexahydro-2H-pyrido[1’,2’:4,5]pyrazino[2,1-b][1,3]oxazine-9-carboxamide 1863916-87-3 2-Flouro Dolutegravir (Dolutegravir Impurity C)
357 (4R,12aS)-N-(2,6-Difluorobenzyl)-7-hydroxy-4-methyl-6,8-dioxo-3,4,6,8,12,12a-hexahydro-2H-pyrido[1',2':4,5]pyrazino[2,1-b][1,3]oxazine-9-carboxamide 2244161-72-4 2, 6-Diflouro Dolutegravir
358 2,4,6 -Trifluoro Dolutegravir NA 2,4,6 -Trifluoro Dolutegravir
359 3,4 -Difluoro Dolutegravir NA 3,4 -Difluoro Dolutegravir
360 (4S,12aS)-N-[(2,4-Difluorophenyl)methyl]-3,4,6,8,12,12a-hexahydro-7-hydroxy-4-methyl-6,8-dioxo-2H-pyrido[1',2':4,5]pyrazino[2,1-b][1,3]oxazine-9-carboxamide 1357289-37-2 (4S,12aS) Dolutegravir (4-epi-Dolutegravir)
361 5-Chlorobenzo[c][1,2,5]thiadiazol-4-amine 30536-19-7 Tizanidine EP impurity E
362 N-(5-Chlorobenzo[c][1,2,5]thiadiazol-4-yl)cyanamide 51322-80-6 Tizanidine EP impurity G
363 Isopropyl (Z)-7-((1S,2S,3S,5R)-3,5-Dihydroxy-2-((S)-3-hydroxy-5-phenylpentyl)cyclopentyl)hept-5-enoate 130209-82-4 Latanoprost Enantiomer
364 Isopropyl-(Z)-6-[(1R,2R,3R,5S)-3,5-dihydroxy-2-[(3R)-3-hydroxy-5-phenylpentyl]cyclopentyl]-4-hexenoat NA 2-Nor Latanoprost
365 (3S,4S)-1-(4-Fluorophenyl)-3-((S)-3-(4-fluorophenyl)-3-hydroxypropyl)-4-(4-hydroxyphenyl)azetidin-2-one 1593543-07-7 Ezetimibe (SSS)-Isomer
366 (3R,4R)-1-(4-Fluorophenyl)-3-((R)-3-(4-fluorophenyl)-3-hydroxypropyl)-4-(4-hydroxyphenyl)azetidin-2-one 1593542-96-1 Ezetimibe (RRR)-Isomer
367 (3R,4S)-1-(4-fluorophenyl)-3-((R)-3-(4-fluorophenyl)-3-hydroxypropyl)-4-(4-hydroxyphenyl)azetidin-2-one 163380-16-3 Ezetimibe (RRS)-Isomer
368 (3S,4R)-1-(4-Fluorophenyl)-3-((R)-3-(4-fluorophenyl)-3-hydroxypropyl)-4-(4-hydroxyphenyl)azetidin-2-one 1376614-99-1 Ezetimibe (RSR)-Isomer
369 (3S,4R)-1-(4-Fluorophenyl)-3-((S)-3-(4-fluorophenyl)-3-hydroxypropyl)-4-(4-hydroxyphenyl)azetidin-2-one 1593543-00-0 Ezetimibe (SSR)-Isomer
370 (3R,4S)-1-(4-Fluorophenyl)-3-(3-(4-fluorophenyl)-3-oxopropyl)-4-(4-hydroxyphenyl)azetidin-2-one 191330-56-0 Ezetimibe Ketone IMPURITY
371 (3R,4S)-1-(4-Fluorophenyl)-3-((S)-3-(2-fluorophenyl)-3-hydroxypropyl)-4-(4-hydroxyphenyl)azetidin-2-one 1798008-25-9 Ezetimibe o-Fluorobenzene Isomer
372 (3S, 4R)-1-(4-Fluorophenyl)-3-((S)-3-(4-fluorophenyl)-3-hydroxypropyl)-4-(4-hydroxyphenyl)azetidin-2-one 1593543-00-0 Ezetimibe SRS Impurity
373 (3R,4S)-1-(3-Fluorophenyl)-3-((S)-3-(4-fluorophenyl)-3-hydroxypropyl)-4-(4-hydroxyphenyl)azetidin-2-one 1700622-06-5 Ezetimibe m-fluoro aniline analog
374 (4aR,4bS,6aS,7S,9aS,9bS,11aR)-4a,6a-Dimethyl-2-oxo-2,4a,4b,5,6,6a,7,8,9,9a,9b,10,11,11a-tetradecahydro-1H-indeno[5,4-f]quinoline-7-carboxylic acid 104239-97-6 Dutasteride EP Impurity A
375 N,N-Dimethyl-3-oxo-4-aza-5α-androst-1-ene-17β-carboxamide 2512195-98-9 Dutasteride Dimethyl amide (EP Impurity B)
376 3-Oxo-4-aza-5α-αndrost-1-ene-17β-carboxylic acid methyl ester 103335-41-7 Dutasteride Methyl ester (Finasteride EP Impurity B)
377 (6aS,7S,9aR)-N-(2,5-Bis(Trifluoromethyl)phenyl)-6a-methyl-2-oxo-2,5,6,6a,7,8,9,9a-octahydro-1H-indeno[5,4-f]quinoline-7-carboxamide 952718-75-1 Desmethyl Dutasteride
378 Ethyl 3-oxo-4-aza-5α-androst-1-ene-17β-carboxylate 157307-36-3 Dutasteride Ethyl Ester; Dutasteride EP Impurity C
379 (5α,17β)-N-[2,5-Bis (trifluoromethyl)phenyl]-3-oxo-4-azaandrostane-17-carboxamide 164656-22-8 Dutasteride dihydro Impurity
380 1-(((Cyclohexyloxy)carbonyl)oxy)ethyl 2-ethoxy-1-((2'-(1-ethyl-1H-tetrazol-5-yl)-[1,1'-biphenyl]-4-yl)methyl)-1H-benzo[d]imidazole-7-carboxylate 914613-35-7 Candesartan Cilexetil EP Impurity E
381 1-(((Cyclohexyloxy)carbonyl)oxy)ethyl 2-ethoxy-1-((2'-(2-ethyl-2H-tetrazol-5-yl)-[1,1'-biphenyl]-4-yl)methyl)-1H-benzo[d]imidazole-7-carboxylate 914613-36-8 Candesartan Cilexetil EP Impurity F
382 1-(((Cyclohexyloxy)carbonyl)oxy)ethyl 1-((2'-(1-ethyl-1H-tetrazol-5-yl)-[1,1'-biphenyl]-4-yl)methyl)-2-hydroxy-1H-benzo[d]imidazole-7-carboxylate 1185255-99-5 Candesartan Cilexetil EP Impurity C
383 1-(((Cyclohexyloxy)carbonyl)oxy)ethyl 1-((2'-(2-ethyl-2H-tetrazol-5-yl)-[1,1'-biphenyl]-4-yl)methyl)-2-hydroxy-1H-benzo[d]imidazole-7-carboxylate 1185256-03-4 Candesartan Cilexetil EP Impurity D
384 Ethyl 3-(2-(((4-(((hexyloxy)carbonyl)carbamoyl)phenyl)amino)methyl)-1-methyl-N-(pyridin-2-yl)-1H-benzo[d]imidazole-5-carboxamido)propanoate 1408238-40-3 Dabigatran Etexilate Related Compound A
385 2-Azaspiro[4.5]decan-3-one 64744-50-9 Gabapentin Impurity A
386 2-(3-Oxo-2-azaspiro[4.5]decan-2-yl)acetic acid 923281-89-4 Gabapentine Impurity 45 
387 1-(Isobutyryloxy)ethyl 3-oxo-2-azaspiro[4.5]decane-2-carboxylate NA Gabapentin Enacarbil Cyclic Impurity
388 2,2'-(Ethane-1,1-diyl)bis(2-azaspiro[4.5]decan-3-one) NA Gabapentin Dilactam Impurity
389 Allyl 2-(1-(isobutyramidomethyl)cyclohexyl)acetate NA Gabapentin Allyl Impurity
390 Allyl 2-(1-(formamidomethyl)cyclohexyl)acetate NA Gabapentin Formyl Impurity
391 1-(2-Aminoethyl)-3-(5-bromoquinoxalin-6-yl)urea hydrochloride 1216379-05-3 Brimonidine EP imp G HCl salt
392 1-(2-Aminoethyl)-3-(5-bromoquinoxalin-6-yl)-1-((5-bromoquinoxalin-6-yl)carbamoyl)urea NA Brimonidine impurity
393 N-((1S,4S)-4-(3,4-Dichlorophenyl)-1,2,3,4-tetrahydronaphthalen-1-yl)-N-methylnitrous amide NA Sertraline Nitroso Impurity
394 Ethyl 2-benzyl-3-hydroxypropanoate 87884-40-0 (RS)-TROPIC ACID ETHYL ESTER
395 1-[2-[(5-Chloro-2,1,3-benzothiadiazol-4-yl)amino]-4,5-dihydro-1H-imidazol-1-yl]-ethanone (or) 1-Acetyl-N-(5-chloro-2,1,3-benzothiadiazol-4-yl)-4,5-dihydro-1H-imidazol-2-amine 173532-15-5 Tizanidine USP Related Compound B
396 1-Acetylimidazolidine-2-thione 5391-52-6 Tizanidine USP Related Compound C
397 1-(5-bromoquinoxalin-6-yl)thiourea 842138-74-3 Brimonidine EP Impurity D
398 2-(5-bromoquinoxalin-6-yl)guanidine 168329-48-4 Brimonidine EP Impurity E
399 N1,N4-dicyanopiperazine-1,4-bis(carboximidamide) 19803-86-2 N1,N4-dicyanopiperazine-1,4-bis(carboximidamide)
400 isopropyl (Z)-3-(2-(((4-(N'-((hexyloxy)carbonyl)carbamimidoyl)phenyl)amino)methyl)-1-methyl-N-(pyridin-2-yl)-1H-benzo[d]imidazole-5-carboxamido)propanoate 1610758-19-4 O-Desethyl O-Isopropyl Dabigatran Etexilate
401 4-(nitrooxy)butyl (Z)-7-((1R,2R,3R,5S)-3,5-dihydroxy-2-((R)-3-hydroxy-5-phenylpentyl)cyclopentyl)hept-5-enoate 860005-21-6 Latanoprostene Bunod
402 4-(nitrooxy)butyl 5-(triphenyl-l4-phosphaneyl)pentanoate NA 4-(nitrooxy)butyl 5-(triphenyl-l4-phosphaneyl)pentanoate(Wittig bunod)
403 (3-bromo-1H-indol-7-yl)(4-bromophenyl)methanone 1279501-08-4 Bromfenac Impurity A


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