Impurities & Reference Standards
API Impurities
Source 1942 api impurities for research, QC and production, documented with COA and SDS.
14,098products
1,516in stock
COA + SDSwith every lot
7, 8-Dimethoxy-3-(3-chloropropyl)-1, 3-dihydro-2H-3-benzazepin-2-one
- CAS
- 85175-59-3
- Formula
- C15H18ClNO3
- MW
- 295.76 g/mol
VQ-031322
![7,10-Dichloro-2-methoxybenzo[b][1,5]naphthyridine chemical structure](/media/structures/KHPZCNJKNIHKPI-UHFFFAOYSA-N.svg)
7,10-Dichloro-2-methoxybenzo[b][1,5]naphthyridine
- CAS
- 6626-40-0
- Formula
- C13H8Cl2N2O
- MW
- 279.12 g/mol
VQ-033396
![7,7'-[1,4-Piperazinediylbis(4,1-butanediyloxy)]bis-2(1H)-quinolinone chemical structure](/media/structures/IZTGBGRVYSMOEG-UHFFFAOYSA-N.svg)
7,7'-[1,4-Piperazinediylbis(4,1-butanediyloxy)]bis-2(1H)-quinolinone
- CAS
- 2220149-92-6
- Formula
- C30H36N4O4
- MW
- 516.6 g/mol
VQ-024635
![7,7'-Bis(4-bromobenzoyl)-[3,3'-biindoline]-2,2'-dione chemical structure](/media/structures/CIQXIHPKXKWVRW-UHFFFAOYSA-N.svg)
7,7'-Bis(4-bromobenzoyl)-[3,3'-biindoline]-2,2'-dione
- CAS
- 2469279-10-3
- Formula
- C30H18Br2N2O4
- MW
- 630.3 g/mol
VQ-021894
![7,8-Difluoro-6,11-dihydrodibenzo[b,e]thiepin-11-ol chemical structure](/media/structures/OBEXFUFBCNVOKB-UHFFFAOYSA-N.svg)
7,8-Difluoro-6,11-dihydrodibenzo[b,e]thiepin-11-ol
- CAS
- 1985607-83-7
- Formula
- C14H10F2OS
- MW
- 264.29 g/mol
VQ-021365
![7,8-Dimethoxy-3-(3-(methylamino)propyl)-1,3,4,5-tetrahydro-2H-benzo[d]azepin-2-one Hydrochloride chemical structure](/media/structures/AMUXOOATRHJXHN-UHFFFAOYSA-N.svg)
7,8-Dimethoxy-3-(3-(methylamino)propyl)-1,3,4,5-tetrahydro-2H-benzo[d]azepin-2-one Hydrochloride
- CAS
- 85175-52-6
- Formula
- C16H25ClN2O3
- MW
- 328.83 g/mol
VQ-026264
![7,8-Dimethoxy-3-propyl-1,3,4,5-tetrahydro-2H-benzo[d]azepin-2-one chemical structure](/media/structures/YAIFSYCRDPNFQD-UHFFFAOYSA-N.svg)
7,8-Dimethoxy-3-propyl-1,3,4,5-tetrahydro-2H-benzo[d]azepin-2-one
- CAS
- 2512208-76-1
- Formula
- C15H21NO3
- MW
- 263.33 g/mol
VQ-043614
![7,8,10,11,13,14-Hexahydro-[1,4,7,10]tetraoxacyclododecino[2,3-g]quinazolin-4(3H)-one chemical structure](/media/structures/FDCPITXVFMPESG-UHFFFAOYSA-N.svg)
7,8,10,11,13,14-Hexahydro-[1,4,7,10]tetraoxacyclododecino[2,3-g]quinazolin-4(3H)-one
- CAS
- 1204313-57-4
- Formula
- C14H16N2O5
- MW
- 292.29 g/mol
VQ-048629
![7,9-Dioxo-8-azaspiro[4.5]decane-6,10-dicarbonitrile chemical structure](/media/structures/USIMPDHJLHKMKA-UHFFFAOYSA-N.svg)
7,9-Dioxo-8-azaspiro[4.5]decane-6,10-dicarbonitrile
- CAS
- 42940-56-7
- Formula
- C11H11N3O2
- MW
- 217.22 g/mol
VQ-029560
8 3 Aminopiperidin 1 yl 7 but 2 yn 1 yl 3 methyl 1 4 methylquinazolin 2 yl Methyl 3 7 dihydro 1h purine 2 6 dione
- CAS
- 1383917-84-7
- Formula
- C25H28N8O2
- MW
- 472.5 g/mol
VQ-031568
8-((2-(Benzhydryloxy)ethyl)(methyl)amino)-1,3,7-trimethyl-3,7-dihydro-1H-purine-2,6-dione
- CAS
- 1798006-07-1
- Formula
- C24H27N5O3
- MW
- 433.5 g/mol
VQ-036715
![8-((3R,4S)-4-Ethyl-1-((2,2,2-trifluoroethyl)carbamoyl)pyrrolidin-3-yl)-N-(2,2,2-trifluoroethyl)-3H-imidazo[1,2-a]pyrrolo[2,3-e]pyrazine-3-carboxamide chemical structure](/media/structures/WHRQTFAKBJNQRU-NEPJUHHUSA-N.svg)
8-((3R,4S)-4-Ethyl-1-((2,2,2-trifluoroethyl)carbamoyl)pyrrolidin-3-yl)-N-(2,2,2-trifluoroethyl)-3H-imidazo[1,2-a]pyrrolo[2,3-e]pyrazine-3-carboxamide
- CAS
- 2715120-86-6
- Formula
- C20H21F6N7O2
- MW
- 505.4 g/mol
VQ-028582
![8-((3R,4S)-4-Ethylpyrrolidin-3-yl)-3-tosyl-3H-imidazo[1,2-a]pyrrolo[2,3-e]pyrazine chemical structure](/media/structures/VJDVHRAORKIHCS-WBVHZDCISA-N.svg)
8-((3R,4S)-4-Ethylpyrrolidin-3-yl)-3-tosyl-3H-imidazo[1,2-a]pyrrolo[2,3-e]pyrazine
- CAS
- 1428243-28-0
- Formula
- C21H23N5O2S
- MW
- 409.5 g/mol
VQ-028585
![8-((3R,4S)-4-Ethylpyrrolidin-3-yl)-3H-imidazo[1,2-a]pyrrolo[2,3-e]pyrazine chemical structure](/media/structures/JQCFYUAAZPLOAT-ZJUUUORDSA-N.svg)
8-((3R,4S)-4-Ethylpyrrolidin-3-yl)-3H-imidazo[1,2-a]pyrrolo[2,3-e]pyrazine
- CAS
- 1708997-43-6
- Formula
- C14H17N5
- MW
- 255.32 g/mol
VQ-028584
Need a price, a spec or a custom compound?
Send us your list — product names or CAS numbers, grade, quantity and destination. Our team replies with a formal quotation, COA and lead time.