L 156373

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MedKoo CAT#: 596393

CAS#: 122211-29-4

Description: L 156373 is an oxytocin antagonist from Streptomyces silvensis.

Price and Availability

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Pricing updated 2020-07-06. Prices are subject to change without notice.

L 156373 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#: 596393
Name: L 156373
CAS#: 122211-29-4
Chemical Formula: C40H54N8O7
Exact Mass: 758.4115
Molecular Weight: 758.92
Elemental Analysis: C, 63.31; H, 7.17; N, 14.77; O, 14.76

Synonym: L 156373; L-156373; L156373;

IUPAC/Chemical Name: 16,24-dibenzyl-13-(sec-butyl)-14-hydroxy-25-methyloctadecahydro-2H,12H-dipyridazino[1,6-a:1',6'-d]pyrrolo[1,2-j][1,4,7,10,13,16]hexaazacyclooctadecine-6,12,15,18,23,26(6aH)-hexaone


InChi Code: InChI=1S/C40H54N8O7/c1-4-26(2)34-40(54)47-32(19-12-22-42-47)39(53)46-31(18-11-21-41-46)37(51)44(3)33(25-28-16-9-6-10-17-28)38(52)45-23-13-20-30(45)35(49)43-29(36(50)48(34)55)24-27-14-7-5-8-15-27/h5-10,14-17,26,29-34,41-42,55H,4,11-13,18-25H2,1-3H3,(H,43,49)

SMILES Code: CCC(C1C(N2C(C(N3C(C(N(C)C(Cc4ccccc4)C(N5CCCC5C(NC(Cc6ccccc6)C(N1O)=O)=O)=O)=O)CCCN3)=O)CCCN2)=O)C

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:
>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:


1: Pettibone DJ, Clineschmidt BV, Anderson PS, Freidinger RM, Lundell GF, Koupal LR, Schwartz CD, Williamson JM, Goetz MA, Hensens OD, et al. A structurally unique, potent, and selective oxytocin antagonist derived from Streptomyces silvensis. Endocrinology. 1989 Jul;125(1):217-22. PubMed PMID: 2544402.