L 366682

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MedKoo CAT#: 596533

CAS#: 127819-96-9

Description: L 366682 is an oxytocin antagonist.

Chemical Structure

L 366682
CAS# 127819-96-9

Theoretical Analysis

MedKoo Cat#: 596533
Name: L 366682
CAS#: 127819-96-9
Chemical Formula: C40H53N9O6
Exact Mass: 755.4119
Molecular Weight: 755.92
Elemental Analysis: C, 63.56; H, 7.07; N, 16.68; O, 12.70

Price and Availability

This product is not in stock, which may be available by custom synthesis. For cost-effective reason, minimum order is 1g (price is usually high, lead time is 2~3 months, depending on the technical challenge). Quote less than 1g will not be provided. To request quote, please email to sales @medkoo.com or click below button.
Note: Price will be listed if it is available in the future.

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Synonym: L 366682; L-366682; L366682; L 366,682; L-66,682; L366,682;

IUPAC/Chemical Name: 24-((1H-imidazol-5-yl)methyl)-16-((1H-indol-3-yl)methyl)-13-(sec-butyl)octadecahydro-2H,12H-dipyrido[1,2-a:1',2'-d]pyrrolo[1,2-j][1,4,7,10,13,16]hexaazacyclooctadecine-6,12,15,18,23,26(6aH)-hexaone


InChi Code: 1S/C40H53N9O6/c1-3-24(2)34-40(55)49-17-9-7-14-33(49)39(54)48-16-8-6-13-31(48)37(52)45-30(20-26-22-41-23-43-26)38(53)47-18-10-15-32(47)36(51)44-29(35(50)46-34)19-25-21-42-28-12-5-4-11-27(25)28/h4-5,11-12,21-24,29-34,42H,3,6-10,13-20H2,1-2H3,(H,41,43)(H,44,51)(H,45,52)(H,46,50)

SMILES Code: CCC(C1C(N2CCCCC2C(N3CCCCC3C(NC(Cc4[nH]cnc4)C(N5CCCC5C(NC(Cc6c7ccccc7[nH]c6)C(N1)=O)=O)=O)=O)=O)=O)C

Appearance: Solid powder

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 755.92 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.

Recalculate based on batch purity %
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

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1: Geenen V, Martens H, Robert F, Vrindts-Gevaert Y, De Groote D, Franchimont P. Immunomodulatory properties of cyclic hexapeptide oxytocin antagonists. Thymus. 1992 Dec;20(4):217-26. PubMed PMID: 1492361.

2: Clineschmidt BV, Pettibone DJ, Reiss DR, Lis EV, Haluska GJ, Novy MJ, Cook MJ, Cukierski MA, Kaufman MJ, Bock MG, et al. Antagonism of oxytocin in rats and pregnant rhesus monkeys by the novel cyclic hexapeptides, L-366,682 and L-366,948. J Pharmacol Exp Ther. 1991 Mar;256(3):827-32. PubMed PMID: 2005582.

3: Pettibone DJ, Clineschmidt BV, Lis EV, Reiss DR, Totaro JA, Woyden CJ, Bock MG, Freidinger RM, Tung RD, Veber DF, et al. In vitro pharmacological profile of a novel structural class of oxytocin antagonists. J Pharmacol Exp Ther. 1991 Jan;256(1):304-8. PubMed PMID: 1988661.