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

MedKoo CAT#: 576451

CAS#: 14942-31-5

Description: IB-503 is an antidepressant.

Chemical Structure

CAS# 14942-31-5

Theoretical Analysis

MedKoo Cat#: 576451
Name: IB-503
CAS#: 14942-31-5
Chemical Formula: C18H21NS
Exact Mass: 283.1395
Molecular Weight: 283.43
Elemental Analysis: C, 76.28; H, 7.47; N, 4.94; S, 11.31

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: IB 503; IB503; IB-503; NPL 82; NPL82; NPL-82

IUPAC/Chemical Name: 3-(9,10-Dihydro-4H-benzo(4,5)cyclohepta(1,2-b)thien-4-ylidene)-N,N-dimethyl-1-propanamine


InChi Code: InChI=1S/C18H21NS/c1-19(2)12-5-8-16-15-7-4-3-6-14(15)9-10-18-17(16)11-13-20-18/h3-4,6-8,11,13H,5,9-10,12H2,1-2H3/b16-8+

SMILES Code: CN(C)CC\C=C\1/c2ccccc2CCc3sccc13

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: 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

Preparing Stock Solutions

The following data is based on the product molecular weight 283.43 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. Bilikiewicz A, Dolmierski R. "IB-503"--lek o działaniu przeciwdepresyjnym i przeciwmaniakalnym. (Doniesienie tymczasowe) ["IB-503"--a drug with antidepressive and anti-manic effect. (Preliminary report)]. Psychiatr Pol. 1968 May-Jun;2(3):283-8. Polish. PMID: 5664483.