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

MedKoo CAT#: 556325

CAS#: 302799-86-6

Description: TCS 46b is an orally active, subtype-selective GluN1A/GluN2B NMDA receptor antagonist

Chemical Structure

CAS# 302799-86-6

Theoretical Analysis

MedKoo Cat#: 556325
Name: TCS-46b
CAS#: 302799-86-6
Chemical Formula: C22H23N3O
Exact Mass: 345.18
Molecular Weight: 345.446
Elemental Analysis: C, 76.49; H, 6.71; N, 12.16; O, 4.63

Price and Availability

Size Price Availability Quantity
50mg USD 550 2 Weeks
100mg USD 950 2 Weeks
200mg USD 1550 2 Weeks
500mg USD 2750 2 Weeks
1g USD 3850 2 Weeks
2g USD 6250 2 Weeks
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Synonym: TCS 46b; TCS-46b; TCS46b;

IUPAC/Chemical Name: 5-(3-(4-benzylpiperidin-1-yl)prop-1-yn-1-yl)-1,3-dihydro-2H-benzo[d]imidazol-2-one


InChi Code: InChI=1S/C22H23N3O/c26-22-23-20-9-8-18(16-21(20)24-22)7-4-12-25-13-10-19(11-14-25)15-17-5-2-1-3-6-17/h1-3,5-6,8-9,16,19H,10-15H2,(H2,23,24,26)


Appearance: To be determined

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: To be determined

Shelf Life: >2 years if stored properly

Drug Formulation: To be determined

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

More Info:

Biological target:
In vitro activity:
In vivo activity:

Preparing Stock Solutions

The following data is based on the product molecular weight 345.45 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
Formulation protocol:
In vitro protocol:
In vivo protocol:

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Wright et al (2000) Subtype-selective N-MthD.-aspartate receptor antagonists: synthesis and biological evaluation of 1-(heteroarylalkynyl)-4-benzylpiperidines. J.Med.Chem. 43 3408 PMID: 10978188

Roger et al (2003) Synthesis, radiosynthesis and in vivo evaluation of 5-[3-(4-benzylpiperidin-1-yl)prop-1-ynyl]-1,3-dihydrobenzoimidazol-2-[11C]one, as a potent NR1A/2B subtype selective NMDA PET radiotracer. Bioorg.Med.Chem. 11 5401 PMID: 14642584