Synonym
OT-551; CPC-551; OT 551; CPC 551; OT551; CPC551
IUPAC/Chemical Name
1-hydroxy-2,2,6,6-tetramethylpiperidin-4-yl cyclopropanecarboxylate
InChi Key
ZWEXEKJLDHNLLA-UHFFFAOYSA-N
InChi Code
InChI=1S/C13H23NO3/c1-12(2)7-10(8-13(3,4)14(12)16)17-11(15)9-5-6-9/h9-10,16H,5-8H2,1-4H3
SMILES Code
O=C(C1CC1)OC2CC(C)(C)N(O)C(C)(C)C2
Purity
>98% (or refer to the Certificate of Analysis)
Shipping Condition
Shipped under ambient temperature as non-hazardous chemical. This product is stable enough for a few weeks during ordinary shipping and time spent in Customs.
Storage Condition
Dry, dark and at 0 - 4 C for short term (days to weeks) or -20 C for long term (months to years).
Solubility
Soluble in DMSO
Shelf Life
>2 years if stored properly
Drug Formulation
This drug may be formulated in DMSO
Stock Solution Storage
0 - 4 C for short term (days to weeks), or -20 C for long term (months).
HS Tariff Code
2934.99.9001
Preparing Stock Solutions
The following data is based on the
product
molecular weight
241.33
Batch specific molecular weights may vary
from batch to batch
due to the degree of hydration, which will
affect the solvent
volumes required to prepare stock solutions.
Concentration / Solvent Volume / Mass |
1 mg |
5 mg |
10 mg |
1 mM |
1.15 mL |
5.76 mL |
11.51 mL |
5 mM |
0.23 mL |
1.15 mL |
2.3 mL |
10 mM |
0.12 mL |
0.58 mL |
1.15 mL |
50 mM |
0.02 mL |
0.12 mL |
0.23 mL |
1: Wong WT, Kam W, Cunningham D, Harrington M, Hammel K, Meyerle CB, Cukras C, Chew EY, Sadda SR, Ferris FL. Treatment of geographic atrophy by the topical administration of OT-551: results of a phase II clinical trial. Invest Ophthalmol Vis Sci. 2010 Dec;51(12):6131-9. doi: 10.1167/iovs.10-5637. PubMed PMID: 20574018; PubMed Central PMCID: PMC3055748.
2: Tanito M, Li F, Anderson RE. Protection of retinal pigment epithelium by OT-551 and its metabolite TEMPOL-H against light-induced damage in rats. Exp Eye Res. 2010 Jul;91(1):111-4. doi: 10.1016/j.exer.2010.04.012. PubMed PMID: 20434439; PubMed Central PMCID: PMC3175818.
3: Zarling JA, Brunt VE, Vallerga AK, Li W, Tao A, Zarling DA, Minson CT. Nitroxide pharmaceutical development for age-related degeneration and disease. Front Genet. 2015 Nov 6;6:325. doi: 10.3389/fgene.2015.00325. Review. PubMed PMID: 26594225; PubMed Central PMCID: PMC4635221.
4: Tanito M, Li F, Elliott MH, Dittmar M, Anderson RE. Protective effect of TEMPOL derivatives against light-induced retinal damage in rats. Invest Ophthalmol Vis Sci. 2007 Apr;48(4):1900-5. PubMed PMID: 17389526.
5: Leung E, Landa G. Update on current and future novel therapies for dry age-related macular degeneration. Expert Rev Clin Pharmacol. 2013 Sep;6(5):565-79. doi: 10.1586/17512433.2013.829645. Review. PubMed PMID: 23971874.
6: Ni Z, Hui P. Emerging pharmacologic therapies for wet age-related macular degeneration. Ophthalmologica. 2009;223(6):401-10. doi: 10.1159/000228926. Review. PubMed PMID: 19622904.