WARNING: This product is for research use only, not for human or veterinary use.
MedKoo CAT#: 584909
CAS#: 67656-42-2
Description: Onchidal is a major lipid-soluble component of the defensive secretion of the mollusk Onchidella binneyi and is responsible for the chemical protection of Onchidella.
MedKoo Cat#: 584909
Name: Onchidal
CAS#: 67656-42-2
Chemical Formula: C17H24O3
Exact Mass: 276.1725
Molecular Weight: 276.376
Elemental Analysis: C, 73.88; H, 8.75; O, 17.37
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Synonym: Onchidal
IUPAC/Chemical Name: 2-Butenal, 2-(2-(acetyloxy)ethenyl)-4-(2,2-dimethyl-6-methylenecyclohexyl)-, (E,E)-(+)-
InChi Key: BEKQPDFPPJFVJP-AHSQCEKMSA-N
InChi Code: InChI=1S/C17H24O3/c1-13-6-5-10-17(3,4)16(13)8-7-15(12-18)9-11-20-14(2)19/h7,9,11-12,16H,1,5-6,8,10H2,2-4H3/b11-9+,15-7+
SMILES Code: O=CC(/C=C/OC(C)=O)=C/CC1C(C)(C)CCCC1=C
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
The following data is based on the product molecular weight 276.376 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.
| 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 |
1: Abramson SN, Radic Z, Manker D, Faulkner DJ, Taylor P. Onchidal: a naturally occurring irreversible inhibitor of acetylcholinesterase with a novel mechanism of action. Mol Pharmacol. 1989 Sep;36(3):349-54. PubMed PMID: 2779521.
2: Cadelis MM, Copp BR. Investigation of the electrophilic reactivity of the biologically active marine sesquiterpenoid onchidal and model compounds. Beilstein J Org Chem. 2018 Aug 24;14:2229-2235. doi: 10.3762/bjoc.14.197. eCollection 2018. PubMed PMID: 30202476; PubMed Central PMCID: PMC6122400.
3: Pita R, Anadón A, Martínez-Larrañaga MR. [Neurotoxins with anticholinesterase activity and their possible use as warfare agents]. Med Clin (Barc). 2003 Oct 18;121(13):511-7. Review. Spanish. PubMed PMID: 14588195.
