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MedKoo CAT#: 564014


Description: UL-766 is a chemically stable fluorescent marker of the ureter.

Price and Availability

Size Price Shipping out time Quantity
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Pricing updated 2020-10-22. Prices are subject to change without notice.

UL-766 is not in stock, may be available through custom synthesis. For cost-effective reason, minimum 1 gram order is requested. The product will be characterized by NMR, HPLC and MS analysis. Purity (HPLC) is usually >98%. CoA, QC data, MSDS will be provided when product is successfully made. The estimated lead time is 2-3 months. Please send email to sales@medkoo.com to inquire quote.

Chemical Structure


Theoretical Analysis

MedKoo Cat#: 564014
Name: UL-766
Chemical Formula: C50H73N3O13S2
Exact Mass: 987.4585
Molecular Weight: 988.26
Elemental Analysis: C, 60.77; H, 7.45; N, 4.25; O, 21.05; S, 6.49

Synonym: Ureter-Label-766; UreterLabel766; Ureter Label 766; Ureter Label-766; UL-766; UL766; UL 766

IUPAC/Chemical Name: 1-(2-(2-(2-Methoxyethoxy)ethoxy)ethyl)-2-((E)-2-((E)-3-(2-((E)-1-(2-(2-(2-methoxyethoxy)ethoxy)ethyl)-3,3-dimethyl-5-sulfonatoindolin-2-ylidene)ethylidene)-2-(3-(trimethylammonio)propoxy)cyclohex-1-en-1-yl)vinyl)-3,3-dimethyl-3H-indol-1-ium-5-sulfonate


InChi Code: InChI=1S/C50H73N3O13S2/c1-49(2)42-36-40(67(54,55)56)16-18-44(42)51(22-26-62-32-34-64-30-28-60-8)46(49)20-14-38-12-10-13-39(48(38)66-25-11-24-53(5,6)7)15-21-47-50(3,4)43-37-41(68(57,58)59)17-19-45(43)52(47)23-27-63-33-35-65-31-29-61-9/h14-21,36-37H,10-13,22-35H2,1-9H3

SMILES Code: O=S(C1=CC2=C([N+](CCOCCOCCOC)=C(/C=C/C3=C(OCCC[N+](C)(C)C)/C(CCC3)=C/C=C4N(CCOCCOCCOC)C5=C(C=C(S(=O)([O-])=O)C=C5)C/4(C)C)C2(C)C)C=C1)([O-])=O

Technical Data

Solid powder

>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).

Soluble in DMSO

Shelf Life:
>3 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:


1: Cha J, Nani RR, Luciano MP, Kline G, Broch A, Kim K, Namgoong JM, Kulkarni RA, Meier JL, Kim P, Schnermann MJ. A chemically stable fluorescent marker of the ureter. Bioorg Med Chem Lett. 2018 Sep 1;28(16):2741-2745. doi: 10.1016/j.bmcl.2018.02.040. Epub 2018 Feb 24. PubMed PMID: 29510880.