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

MedKoo CAT#: 596722

CAS#: 770703-20-3

Description: L-97-1 is an adenosine A1 receptor antagonist.

Chemical Structure

CAS# 770703-20-3

Theoretical Analysis

MedKoo Cat#: 596722
Name: L-97-1
CAS#: 770703-20-3
Chemical Formula: C29H38N6O3
Exact Mass: 518.3005
Molecular Weight: 518.66
Elemental Analysis: C, 67.16; H, 7.39; N, 16.20; O, 9.25

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-97-1; L 97-1; L97-1;

IUPAC/Chemical Name: 3-(4-aminophenethyl)-8-benzyl-7-(2-(ethyl(2-hydroxyethyl)amino)ethyl)-1-propyl-3,7-dihydro-1H-purine-2,6-dione


InChi Code: InChI=1S/C29H38N6O3/c1-3-15-35-28(37)26-27(34(29(35)38)16-14-22-10-12-24(30)13-11-22)31-25(21-23-8-6-5-7-9-23)33(26)18-17-32(4-2)19-20-36/h5-13,36H,3-4,14-21,30H2,1-2H3


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 518.66 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: Wilson CN, Vance CO, Lechner MG, Matuschak GM, Lechner AJ. Adenosine A1 receptor antagonist, L-97-1, improves survival and protects the kidney in a rat model of cecal ligation and puncture induced sepsis. Eur J Pharmacol. 2014 Oct 5;740:346-52. doi: 10.1016/j.ejphar.2014.07.012. Epub 2014 Jul 18. PubMed PMID: 25041842; PubMed Central PMCID: PMC4147868.

2: Cullen L, Parsonage WA, Greenslade J, Lamanna A, Hammett CJ, Than M, Tate J, Kalinowski L, Ungerer JP, Chu K, Brown A. Delta troponin for the early diagnosis of AMI in emergency patients with chest pain. Int J Cardiol. 2013 Oct 3;168(3):2602-8. doi: 10.1016/j.ijcard.2013.03.044. Epub 2013 Apr 10. PubMed PMID: 23582689.

3: Wilson CN, Vance CO, Doyle TM, Brink DS, Matuschak GM, Lechner AJ. A novel post-exposure medical countermeasure L-97-1 improves survival and acute lung injury following intratracheal infection with Yersinia pestis. Innate Immun. 2012 Jun;18(3):373-89. doi: 10.1177/1753425911411595. Epub 2011 Aug 23. PubMed PMID: 21862597; PubMed Central PMCID: PMC3362682.

4: Rehman S, Lloyd-Jones DM, Martinez-Rumayor A, Januzzi JL. Inflammatory markers, amino-terminal pro-brain natriuretic peptide, and mortality risk in dyspneic patients. Am J Clin Pathol. 2008 Aug;130(2):305-11. doi: 10.1309/L7BP57F7UF7YNYKX. PubMed PMID: 18628102.

5: Nadeem A, Obiefuna PC, Wilson CN, Mustafa SJ. Adenosine A1 receptor antagonist versus montelukast on airway reactivity and inflammation. Eur J Pharmacol. 2006 Dec 3;551(1-3):116-24. Epub 2006 Sep 8. PubMed PMID: 17027749; PubMed Central PMCID: PMC1766326.

6: Obiefuna PC, Batra VK, Nadeem A, Borron P, Wilson CN, Mustafa SJ. A novel A1 adenosine receptor antagonist, L-97-1 [3-[2-(4-aminophenyl)-ethyl]-8-benzyl-7-{2-ethyl-(2-hydroxy-ethyl)-amino]-ethyl}- 1-propyl-3,7-dihydro-purine-2,6-dione], reduces allergic responses to house dust mite in an allergic rabbit model of asthma. J Pharmacol Exp Ther. 2005 Oct;315(1):329-36. Epub 2005 Jul 14. PubMed PMID: 16020631.

7: Goud C, DiPiero A, Lockette WE, Webb RC, Charpie JR. Cyclic GMP-independent mechanisms of nitric oxide-induced vasodilation. Gen Pharmacol. 1999 Jan;32(1):51-5. PubMed PMID: 9888254.