L 158338

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

MedKoo CAT#: 596394

CAS#: 133240-38-7

Description: L 158338 is an angiotensin receptor antagonist.

Chemical Structure

L 158338
CAS# 133240-38-7

Theoretical Analysis

MedKoo Cat#: 596394
Name: L 158338
CAS#: 133240-38-7
Chemical Formula: C24H25N7
Exact Mass: 411.2171
Molecular Weight: 411.51
Elemental Analysis: C, 70.05; H, 6.12; N, 23.83

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 158338; L-158338; L158338;

IUPAC/Chemical Name: 3-((2'-(1H-tetrazol-5-yl)-[1,1'-biphenyl]-4-yl)methyl)-7-methyl-2-propyl-2,3-dihydro-1H-imidazo[4,5-b]pyridine


InChi Code: InChI=1S/C24H25N7/c1-3-6-21-26-22-16(2)13-14-25-24(22)31(21)15-17-9-11-18(12-10-17)19-7-4-5-8-20(19)23-27-29-30-28-23/h4-5,7-14,21,26H,3,6,15H2,1-2H3,(H,27,28,29,30)


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 411.51 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: Owen RA, Molon-Noblot S, Hubert MF, Siegl PK, Eydelloth RS, Keenan KP. Juxtaglomerular cell hypertrophy and hyperplasia induced in rhesus monkeys by angiotensin II receptor antagonists. Lab Invest. 1994 Oct;71(4):543-51. PubMed PMID: 7967510.

2: Werrmann JG, Cohen SM. Comparison of effects of angiotensin-converting enzyme inhibition with those of angiotensin II receptor antagonism on functional and metabolic recovery in postischemic working rat heart as studied by [31P] nuclear magnetic resonance. J Cardiovasc Pharmacol. 1994 Oct;24(4):573-86. PubMed PMID: 7528840.

3: Stearns RA, Miller RR, Arison BH, Rosegay A, Smith JL, Mantlo NB, Chiu SH. Evidence for a 1,2-hydride shift in the microsomal metabolism of the heterocycle L-158,338, a nonpeptide angiotensin II receptor antagonist. Drug Metab Dispos. 1993 Jul-Aug;21(4):670-6. PubMed PMID: 8104127.