Famiraprinium chloride

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

MedKoo CAT#: 575303

CAS#: 96440-63-0

Description: Famiraprinium chloride is a competitive antagonist at the GABA receptor site.

Chemical Structure

Famiraprinium chloride
CAS# 96440-63-0

Theoretical Analysis

MedKoo Cat#: 575303
Name: Famiraprinium chloride
CAS#: 96440-63-0
Chemical Formula: C15H18ClN3O2
Exact Mass: 307.1088
Molecular Weight: 307.78
Elemental Analysis: C, 58.54; H, 5.90; Cl, 11.52; N, 13.65; O, 10.40

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: Famiraprinium chloride; SR 95103; SR95103; SR-95103

IUPAC/Chemical Name: 1(6H)-Pyridazinebutanoic acid, 6-imino-5-methyl-3-phenyl-, monohydrochloride


InChi Code: InChI=1S/C15H17N3O2.ClH/c1-11-10-13(12-6-3-2-4-7-12)17-18(15(11)16)9-5-8-14(19)20;/h2-4,6-7,10,16H,5,8-9H2,1H3,(H,19,20);1H

SMILES Code: Cl.CC1=CC(=NN(CCCC(=O)O)C1=N)c2ccccc2

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: >3 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 307.78 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. Worms P, Chambon JP, Biziere K. Behavioural evidence for a selective GABA-A antagonistic activity of SR 95103 and SR 42641 after intrastriatal injection in mice. Eur J Pharmacol. 1987 Jun 26;138(3):343-50. doi: 10.1016/0014-2999(87)90472-9. PMID: 3040438.

2. Santucci V, Fournier M, Chambon JP, Biziere K. Electroencephalographic study of SR 95103, a GABAA antagonist: interaction with inhibitory amino acids and muscimol. Eur J Pharmacol. 1985 Aug 15;114(2):219-22. doi: 10.1016/0014-2999(85)90630-2. PMID: 2995080.

3. Schmitt P, Di Scala G, Brandao ML, Karli P. Behavioral effects of microinjections of SR 95103, a new GABA-A antagonist, into the medial hypothalamus or the mesencephalic central gray. Eur J Pharmacol. 1985 Nov 5;117(2):149-58. doi: 10.1016/0014-2999(85)90599-0. PMID: 3000802.