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

MedKoo CAT#: 558194

CAS#: 107736-98-1

Description: Umespirone is a potential antipsychotic/anxiolytic drug of the azapirone class which possesses anxiolytic and antipsychotic properties.

Chemical Structure

CAS# 107736-98-1

Theoretical Analysis

MedKoo Cat#: 558194
Name: Umespirone
CAS#: 107736-98-1
Chemical Formula: C28H40N4O5
Exact Mass: 512.3
Molecular Weight: 512.65
Elemental Analysis: C, 65.60; H, 7.86; N, 10.93; O, 15.60

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 or click below button.
Note: Price will be listed if it is available in the future.

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Synonym: Umespirone; Umespirona; Umespironum;

IUPAC/Chemical Name: 3,7-Diazabicyclo(3.3.1)nonane-2,4,6,8-tetrone, 3-butyl-7-(4-(4-(2-methoxyphenyl)-1-piperazinyl)butyl)-9,9-dimethyl-


InChi Code: InChI=1S/C28H40N4O5/c1-5-6-14-31-24(33)22-26(35)32(27(36)23(25(31)34)28(22,2)3)15-10-9-13-29-16-18-30(19-17-29)20-11-7-8-12-21(20)37-4/h7-8,11-12,22-23H,5-6,9-10,13-19H2,1-4H3


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 512.65 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: Holland RL, Wesnes K, Dietrich B. Single dose human pharmacology of umespirone. Eur J Clin Pharmacol. 1994;46(5):461-8. PubMed PMID: 7957544.

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6: Schmidt J, Borchers F. Thermospray tandem mass spectrometric (TS MS-MS) investigation of the main metabolite of umespirone (KC-9172). Biol Mass Spectrom. 1992 Nov;21(11):610-3. PubMed PMID: 1360818.

7: Krähling H, Fuchs A, Ruhland M, Schön U, Mol F, Tulp M. KC 9172 (free base of KC 7218)--an antipsychotic/anxiolytic compound. II. Discrimination from typical neuroleptics and benzodiazepine-like minor tranquilizers. Pharmacopsychiatry. 1988 Nov;21(6):399-401. PubMed PMID: 2907650.

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