L 10503

    WARNING: This product is for research use only, not for human or veterinary use.

MedKoo CAT#: 559128

CAS#: 55308-37-7

Description: L 10503 is an antifertility compound.

Chemical Structure

L 10503
CAS# 55308-37-7

Theoretical Analysis

MedKoo Cat#: 559128
Name: L 10503
CAS#: 55308-37-7
Chemical Formula: C17H15N3O
Exact Mass: 277.12
Molecular Weight: 277.320
Elemental Analysis: C, 73.63; H, 5.45; N, 15.15; O, 5.77

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.

Synonym: L 10503; L-10503; L10503; NSC 298267; NSC-298267; NSC298267;

IUPAC/Chemical Name: 2-(3-methoxyphenyl)-5,6-dihydro-[1,2,4]triazolo[5,1-a]isoquinoline


InChi Code: InChI=1S/C17H15N3O/c1-21-14-7-4-6-13(11-14)16-18-17-15-8-3-2-5-12(15)9-10-20(17)19-16/h2-8,11H,9-10H2,1H3


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

Product Data:

Preparing Stock Solutions

The following data is based on the product molecular weight 277.320000000000000000000000000000 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: Lerner LJ, Carminati P. Effect of L-10503 (a novel antifertility compound) on the synthesis and metabolism of prostaglandins in vivo and in vitro in the pregnant rat placenta, ovary, kidney, and lung, and in rat deciduoma. Adv Prostaglandin Thromboxane Res. 1976;2:645-53. PubMed PMID: 983866.