L 702958

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MedKoo CAT#: 596672

CAS#: 136078-58-5

Description: L 702958 is a spirobenzopyran piperidine.

Price and Availability

Size Price Shipping out time Quantity
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Pricing updated 2020-04-01. Prices are subject to change without notice.

L 702958 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#: 596672
Name: L 702958
CAS#: 136078-58-5
Chemical Formula: C25H27N3O4S
Exact Mass: 465.1722
Molecular Weight: 465.56
Elemental Analysis: C, 64.50; H, 5.85; N, 9.03; O, 13.75; S, 6.89

Synonym: L 702958; L-702958; L702958; L-702,958; L 702,958; L702,958;

IUPAC/Chemical Name: (R)-N-(1'-(6-cyano-1,2,3,4-tetrahydronaphthalen-2-yl)-4-oxospiro[chromane-2,4'-piperidin]-6-yl)methanesulfonamide


InChi Code: InChI=1S/C25H27N3O4S/c1-33(30,31)27-20-5-7-24-22(14-20)23(29)15-25(32-24)8-10-28(11-9-25)21-6-4-18-12-17(16-26)2-3-19(18)13-21/h2-3,5,7,12,14,21,27H,4,6,8-11,13,15H2,1H3/t21-/m1/s1

SMILES Code: CS(=O)(NC1=CC=C2C(C(CC3(CCN([C@H]4CC5=C(C=C(C#N)C=C5)CC4)CC3)O2)=O)=C1)=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:
>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: Lynch JJ Jr, Wallace AA, Stupienski RF 3rd, Baskin EP, Beare CM, Appleby SD, Salata JJ, Jurkiewicz NK, Sanguinetti MC, Stein RB, et al. Cardiac electrophysiologic and antiarrhythmic actions of two long-acting spirobenzopyran piperidine class III agents, L-702,958 and L-706,000 [MK-499]. J Pharmacol Exp Ther. 1994 May;269(2):541-54. PubMed PMID: 7802864.