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
![2,2-Dimethyl-6-nitro-2H-pyrido[3,2-b][1,4]oxazin-3(4H)-one chemical structure](/media/structures/QPNDHHGIJAMRMD-UHFFFAOYSA-N.svg)
2,2-Dimethyl-6-nitro-2H-pyrido[3,2-b][1,4]oxazin-3(4H)-one
- CAS
- 1002726-59-1
- Formula
- C9H9N3O4
- MW
- 223.19 g/mol
VQ-048470
2,2-Diphenyl-N-(2-(piperidin-1-yl)ethyl)acetamide
- CAS
- 10120-30-6
- Formula
- C21H26N2O
- MW
- 322.4 g/mol
VQ-027544
![2,2,2-Trichloro-1-(5-Methyl-4,5,6,7-Tetrahydrothiazolo[5,4-C]Pyridin-2-Yl)Ethan-1-One chemical structure](/media/structures/AQTRUUNZSUGDCX-UHFFFAOYSA-N.svg)
2,2,2-Trichloro-1-(5-Methyl-4,5,6,7-Tetrahydrothiazolo[5,4-C]Pyridin-2-Yl)Ethan-1-One
- CAS
- 2408469-02-1
- Formula
- C9H9Cl3N2OS
- MW
- 299.6 g/mol
VQ-048133
2,2,2-Trifluoro-1-(2,3,5-trichlorophenyl)ethan-1-one
- CAS
- 1823321-19-2
- Formula
- C8H2Cl3F3O
- MW
- 277.4 g/mol
VQ-037359
![2,2,2-Trifluoro-1-(5,6,8,9-tetrahydro-5,9-ethanoimidazo[4',5':4,5]benzo[1,2-d]azepin-7(1H)-yl)ethan-1-one](/media/pack/222-trifluoro-1-5689-tetrahydro-59-ethanoimidazo45-45benzo12-dazepin-71h-ylethan-1-one.svg?v=3)
2,2,2-Trifluoro-1-(5,6,8,9-tetrahydro-5,9-ethanoimidazo[4',5':4,5]benzo[1,2-d]azepin-7(1H)-yl)ethan-1-one
- CAS
- 832089-32-4
- Formula
- C15H14F3N3O
- MW
- 309.29 g/mol
VQ-043669
![2,2,2-Trifluoro-1-(7-nitro-1,2,4,5-tetrahydro-3H-1,5-methanobenzo[d]azepin-3-yl)ethan-1-one chemical structure](/media/structures/QIRWLPNFDZWWIS-UHFFFAOYSA-N.svg)
2,2,2-Trifluoro-1-(7-nitro-1,2,4,5-tetrahydro-3H-1,5-methanobenzo[d]azepin-3-yl)ethan-1-one
- CAS
- 230615-53-9
- Formula
- C13H11F3N2O3
- MW
- 300.23 g/mol
VQ-028641
2,2,2-Trifluoro-N'-(2,2,2-trifluoroacetyl)acetohydrazide
- CAS
- 667-35-6
- Formula
- C4H2F6N2O2
- MW
- 224.06 g/mol
VQ-042197
2,2,2-Trifluoroethyl 2,5-Bis(2,2,2-trifluoroethoxy)benzoate
- CAS
- 50778-57-9
- Formula
- C13H9F9O4
- MW
- 400.19 g/mol
VQ-030756
2,2'-(((2,4-Diethylpentanedioyl)bis(2,3-dichloro-4,1-phenylene))bis(oxy))diacetic acid
- CAS
- 71545-13-6
- Formula
- C25H24Cl4O8
- MW
- 594.3 g/mol
VQ-025635
2,2'-((2-Methylpyrimidine-4,6-diyl)bis(azanediyl))bis(N-(2-chloro-6-methylphenyl)thiazole-5-carboxamide)
- CAS
- 2468737-80-4
- Formula
- C27H22Cl2N8O2S2
- MW
- 625.6 g/mol
VQ-030080
2,2'-((6-Chloro-2,4-dioxopyrimidine-1,3(2H,4H)-diyl)bis(methylene))dibenzonitrile
- CAS
- 1618644-29-3
- Formula
- C20H13ClN4O2
- MW
- 376.8 g/mol
VQ-024205
2,2'-(1-Phenyl-1H-1,2,4-triazole-3,5-diyl)diphenol
- CAS
- 86245-87-6
- Formula
- C20H15N3O2
- MW
- 329.35 g/mol
VQ-047979
![2,2'-(13-Oxo-1,4,7,10-tetraazabicyclo[8.2.1]tridecane-4,7-diyl)diacetic Acid chemical structure](/media/structures/JYSLQCINSTWPIO-UHFFFAOYSA-N.svg)
2,2'-(13-Oxo-1,4,7,10-tetraazabicyclo[8.2.1]tridecane-4,7-diyl)diacetic Acid
- CAS
- 229312-33-8
- Formula
- C13H22N4O5
- MW
- 314.34 g/mol
VQ-030934
2,2'-(2-Propyl-1H-imidazole-4,5-diyl)bis(propan-2-ol)
- CAS
- 2190488-06-1
- Formula
- C12H22N2O2
- MW
- 226.32 g/mol
VQ-038745
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