General Information
Drug ID
DR00195
Drug Name
Rhodamine 123
Synonyms
RH 123; Rh-123, Huntington; Rhodamine 123; Rhodamine-123 (intravenous infusion); Rhodamine-123 (intravenous infusion), Huntington Medical Research Institutes
Drug Type
Small molecular drug
Indication Prostate cancer [ICD11: 2C82] Discontinued in Phase 1 [1]
Structure
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3D MOL 2D MOL
Formula
C21H17N2O3+
Canonical SMILES
COC(=O)C1=CC=CC=C1C2=C3C=CC(=[NH2+])C=C3OC4=C2C=CC(=C4)N
InChI
InChI=1S/C21H16N2O3/c1-25-21(24)15-5-3-2-4-14(15)20-16-8-6-12(22)10-18(16)26-19-11-13(23)7-9-17(19)20/h2-11,22H,23H2,1H3/p+1
InChIKey
FCGVBHISQBBIQF-UHFFFAOYSA-O
CAS Number
CAS 62669-70-9
Pharmaceutical Properties Molecular Weight 345.378 Topological Polar Surface Area 87.1
Heavy Atom Count 26 Rotatable Bond Count 3
Hydrogen Bond Donor Count 2 Hydrogen Bond Acceptor Count 4
PubChem CID
4541001
PubChem SID
113089471 , 12216873 , 139038392 , 141064013 , 178101327 , 238001346 , 249318836 , 252651576 , 36855486 , 46484483 , 6682693 , 78447326 , 85164764
ChEBI ID
CHEBI:52894
TTD Drug ID
D0G1RA
DT(s) Transporting This Drug BCRP Transporter Info Breast cancer resistance protein Substrate [2]
MRP2 Transporter Info Multidrug resistance-associated protein 2 Substrate [3]
OATP1A2 Transporter Info Organic anion transporting polypeptide 1A2 Substrate [4]
P-GP Transporter Info P-glycoprotein 1 Substrate [5]
Drug-Transporter Activity Data
Drug-Transporter Activity Data P-GP Transporter Info Km = 21 microM Spodoptera frugiperda (Sf9) cells-MDR1 [5]
References
1 Trusted, scientifically sound profiles of drug programs, clinical trials, safety reports, and company deals, written by scientists. Springer. 2015. Adis Insight (drug id 800000851)
2 Alectinib (CH5424802) antagonizes ABCB1- and ABCG2-mediated multidrug resistance in vitro, in vivo and ex vivo. Exp Mol Med. 2017 Mar 17;49(3):e303.
3 Characterization of rhodamine-123, calcein and 5(6)-carboxy-2',7'-dichlorofluorescein (CDCF) export via MRP2 (ABCC2) in MES-SA and A549 cells. Eur J Pharm Sci. 2011 Aug 17;43(5):359-69.
4 Characterization of rhodamine-123 as a tracer dye for use in in vitro drug transport assays. PLoS One. 2012;7(3):e33253.
5 Modulation of drug-stimulated ATPase activity of human MDR1/P-glycoprotein by cholesterol. Biochem J. 2007 Jan 15;401(2):597-605.

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