Cyclanoline (free base)

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MedKoo CAT#: 412962

CAS#: 18556-27-9 (free base)

Description: Cyclanoline (free base) is an acetylcholinesterase inhibitor


Chemical Structure

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Cyclanoline (free base)
CAS# 18556-27-9 (free base)

Theoretical Analysis

MedKoo Cat#: 412962
Name: Cyclanoline (free base)
CAS#: 18556-27-9 (free base)
Chemical Formula: C20H24NO4+
Exact Mass: 342.17
Molecular Weight: 342.410
Elemental Analysis: C, 70.15; H, 7.07; N, 4.09; O, 18.69

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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Related CAS #: 17472-50-3 (Cl-)   18556-27-9 (free base)  

Synonym: Cyclanoline (free base), Cissamine

IUPAC/Chemical Name: 6H-Dibenzo(a,g)quinolizinium, 5,8,13,13a-tetrahydro-2,9-dihydroxy-3,10-dimethoxy-7-methyl-, (7S-cis)-

InChi Key: LKLWVKCEYSPQHL-KKSFZXQISA-O

InChi Code: InChI=1S/C20H23NO4/c1-21-7-6-13-9-19(25-3)17(22)10-14(13)16(21)8-12-4-5-18(24-2)20(23)15(12)11-21/h4-5,9-10,16H,6-8,11H2,1-3H3,(H-,22,23)/p+1/t16-,21-/m0/s1

SMILES Code: C[N@@+]12CCC3=CC(OC)=C(O)C=C3[C@]1([H])CC4=CC=C(OC)C(O)=C4C2

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: >2 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

More Info:

Biological target:
In vitro activity:
In vivo activity:

Preparing Stock Solutions

The following data is based on the product molecular weight 342.41 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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6: Qin YD, Fang FM, Wang RB, Zhou JJ, Li LH. Differentiation between wild and artificial cultivated Stephaniae tetrandrae radix using chromatographic and flow-injection mass spectrometric fingerprints with the aid of principal component analysis. Food Sci Nutr. 2020 Jun 23;8(8):4223-4231. doi: 10.1002/fsn3.1717. PMID: 32884703; PMCID: PMC7455950.

7: TOMITA M, IBUKA T, TSUYAMA K. [STUDIES ON THE ALKALOIDS OF MENISPERMACEOUS PLANTS. CCVI. ALKALOIDS OF FORMOSAN STEPHANIA JAPONICA MIERS. (3). THE ISOLATION OF WATER-SOLUBLE QUATERNARY BASE, CYCLANOLINE]. Yakugaku Zasshi. 1964 Aug;84:776-8. Japanese. PMID: 14236247.

8: Tanahashi T, Su U, Nagakura N, Nayeshiro H. Quaternary isoquinoline alkaloids from Stephania cepharantha. Chem Pharm Bull (Tokyo). 2000 Mar;48(3):370-3. doi: 10.1248/cpb.48.370. PMID: 10726860.

9: Yang YF, Zhao SX, Dong SS, Liu C. [Dual-wavelength TLC densitometric determination of alkaloids in radix Stephaniae tetrandrae]. Zhong Yao Tong Bao. 1988 Dec;13(12):36-7, 59-60. Chinese. PMID: 3255530.