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
3,3'-(Disulfanediylbis(methylene))bis(quinuclidin-3-ol)
- CAS
- 1434122-43-6
- Formula
- C16H28N2O2S2
- MW
- 344.5 g/mol
VQ-024918
3,3'-(Methylazanediyl)bis(1-(thiophen-2-yl)propan-1-one) Hydrochloride
- CAS
- 494221-37-3
- Formula
- C15H18ClNO2S2
- MW
- 343.9 g/mol
VQ-036849
3,3'-(Piperazine-1,4-diyl)bis(1-(2-ethoxyphenoxy)propan-2-ol)
- CAS
- 744994-03-4
- Formula
- C26H38N2O6
- MW
- 474.6 g/mol
VQ-034628
![3,3'-(Propane-1,3-diyl)bis(7,8-dimethoxy-1H-benzo[d]azepin-2(3H)-one) chemical structure](/media/structures/QHSCSAFVBJGRJC-UHFFFAOYSA-N.svg)
3,3'-(Propane-1,3-diyl)bis(7,8-dimethoxy-1H-benzo[d]azepin-2(3H)-one)
- CAS
- 2458312-06-4
- Formula
- C27H30N2O6
- MW
- 478.5 g/mol
VQ-026260
![3,3'-(Propane-1,3-diyl)bis(7,8-dimethoxy-4,5-dihydro-1H-benzo[d]azepin-2(3H)-one) chemical structure](/media/structures/BOMTZDFJQBFTCB-UHFFFAOYSA-N.svg)
3,3'-(Propane-1,3-diyl)bis(7,8-dimethoxy-4,5-dihydro-1H-benzo[d]azepin-2(3H)-one)
- CAS
- 2731089-65-7
- Formula
- C27H34N2O6
- MW
- 482.6 g/mol
VQ-026258
3,3'-(Thiobis(methylene))bis(quinuclidin-3-ol)
- CAS
- 1434122-45-8
- Formula
- C16H28N2O2S
- MW
- 312.5 g/mol
VQ-035414
![3,3'-Dimethyl-1,1'-diphenyl[4,4'-bi-1H-pyrazole]-5,5'-diol chemical structure](/media/structures/CIJVXSIRUQCTBV-UHFFFAOYSA-N.svg)
3,3'-Dimethyl-1,1'-diphenyl[4,4'-bi-1H-pyrazole]-5,5'-diol
- CAS
- 177415-76-8
- Formula
- C20H18N4O2
- MW
- 346.4 g/mol
VQ-025463
3,3′-(2-Amino-3-oxo-3H-phenoxazine-4,6-diyl)dibenzoic acid
- CAS
- 1428987-69-2
- Formula
- C26H16N2O6
- MW
- 452.4 g/mol
VQ-025515
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