Apicidin

Also known as: OSI 2040, OSI-2040, Apicidin Ia, Ccris 9163, Cyclo(8-oxo-L-2-aminodecanoyl-1-methoxy-L-tryptophyl-L-isoleucyl-D-2-piperidinecarbonyl), Cyclo[(2S)-2-amino-8-oxodecanoyl-1-methoxy-L-tryptophyl-L-isoleucyl-(2R)-2-piperidinecarbonyl], (3S,6S,9S,12R)-3-[(2S)-butan-2-yl]-6-[(1-methoxyindol-3-yl)methyl]-9-(6-oxooctyl)-1,4,7,10-tetrazabicyclo[10.4.0]hexadecane-2,5,8,11-tetrone, (3S,6S,9S,15aR)-9-[(2S)-butan-2-yl]-6-[(1-methoxy-1H-indol-3-yl)methyl]-3-(6-oxooctyl)octahydro-2H-pyrido[1,2-a][1,4,7,10]tetraazacyclododecine-1,4,7,10(3H,12H)-tetrone

Apicidin (CAS 183506-66-3) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C34H49N5O6 and a molecular weight of 623.79500 g/mol. Key property: a density of 1.27g/cm3. It is classified under GHS with signal word Danger and hazard statements H300, H310 and H330 — Fatal if inhaled. No supplier offers are currently listed; request a quote. Record last updated Nov 2, 2026.

CAS No.: 183506-66-3
Jingsj CID: J-1976480-8
Molecular Formula: C₃₄H₄₉N₅O₆
Molecular Weight: 623.79500 g/mol
Category: Organic Compounds
Last updated: 11/2/2026

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Physicochemical Properties

Density	1.27g/cm3
Exact Mass	609.35300
PSA	138.84000
LogP	4.12130
Refractive Index	1.615

GHS Safety & Compliance

Acute ToxicitySignal word: Danger

H300
H310
H330 — Fatal if inhaled

Activity & Biological Data

Target	HDAC[1]
Additional Information	[1]. Han JW, et al. Apicidin, a histone deacetylase inhibitor, inhibits proliferation of tumor cells via induction of p21WAF1/Cip1 and gelsolin. Cancer Res. 2000 Nov 1;60(21):6068-74.

Frequently Asked Questions

What is the CAS number of Apicidin?

The CAS number of Apicidin is 183506-66-3.

What are the molecular formula and molecular weight of Apicidin?

Apicidin has molecular formula C34H49N5O6 and molecular weight 623.79500 g/mol.

Is Apicidin hazardous?

Apicidin has GHS signal word Danger and hazard statements H300; H310; H330 — Fatal if inhaled.

What are the upstream and downstream products of Apicidin?

For Apicidin, Upstream Products: 1,5-Pentanediol, N-(tert-Butoxycarbonyl)-L-isoleucine, 5-[(tert-Butyldimethylsilyl)oxy]pentan-1-ol; Downstream Products: L-Isoleucine, D-Pipecolinic acid, L-Tryptophan.

Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.

Last updated: 11/2/2026

How to cite: Jingsj. "Apicidin (CAS 183506-66-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1976480-8 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.