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120686-08-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 120686-08-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,0,6,8 and 6 respectively; the second part has 2 digits, 0 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 120686-08:
110 % 10 = 0
So 120686-08-0 is a valid CAS Registry Number.



According to Globally Harmonized System of Classification and Labelling of Chemicals (GHS) - Sixth revised edition

Version: 1.0

Creation Date: Aug 18, 2017

Revision Date: Aug 18, 2017


1.1 GHS Product identifier

Product name 1',5',7',8'-tetrahydrospiro[1,3-dioxolane-2,6'(2'H)-quinolin]-2'-one

1.2 Other means of identification

Product number -
Other names .1',5',7',8'-tetrahydrospiro(1,3-dioxolane-2,6'(2'H)-quinolin)-2'-one

1.3 Recommended use of the chemical and restrictions on use

Identified uses For industry use only.
Uses advised against no data available

1.4 Supplier's details

1.5 Emergency phone number

Emergency phone number -
Service hours Monday to Friday, 9am-5pm (Standard time zone: UTC/GMT +8 hours).

More Details:120686-08-0 SDS

120686-08-0Relevant articles and documents

Synthesis of a hybrid analog of the acetylcholinesterase inhibitors huperzine A and huperzine B

Rajendran,Rong, Suo-Bao,Saxena, Ashima,Doctor, Bhupendra P.,Kozikowski, Alan P

, p. 5359 - 5361 (2001)

The synthesis of a new hybrid analog of the acetylcholinesterase (AChE) inhibitors huperzine A and B is reported. An intramolecular reductive dicarbonyl coupling was used as a key reaction for constructing the tetracyclic ring system.

A process for the preparation of the intermediates of the synthesis method of the huperzine-a


Paragraph 0038-0043, (2017/08/25)

The invention discloses a synthesis method for preparing a huperzine A intermediate, which comprises the following steps: carrying out substitution at the alpha site of the carbonylic group by using 1,4-cyclohexyl diketone ethylene glycol and N,N-dimethylformamide dimethyl acetal as raw materials to obtain a substitution product, cyclizing the substitution product under the action of methyl cyanoacetate to obtain a cyclization product, and decarboxylating the cyclization product under the action of a strong base to obtain 2-carbonyl-6-ethylene ketal-5,7,8-dihydro-quinoline. The method has the advantages of fewer synthesis reaction steps, mild reaction conditions, low requirements for operating personnel and low environmental pollution, greatly lowers the raw material cost, and is simple to operate and convenient for refinement; and the obtained 2-carbonyl-6-ethylene ketal-5,7,8-dihydro-quinoline has high quality and high yield.

Development of a large-scale synthetic route to manufacture (-)-huperzine A

Tudhope, Stephen R.,Bellamy, Julie A.,Ball, Anthony,Rajasekar, Dewakar,Azadi-Ardakani, Manouchehr,Meera, Harihara Subramanian,Gnanadeepam, Jesudoss Mercy,Saiganesh, Ramanathan,Gibson, Frank,He, Linli,Behrens, Carl H.,Underiner, Gail,Marfurt, Judith,Favre, Nathalie

experimental part, p. 635 - 642 (2012/07/28)

A safe, practical and scalable process for manufacture of (-)-huperzine A has been developed and scaled up to manufacture several hundred grams of (-)-huperzine A with chemical and optical purity of >99%. The process consists of 11 chemical stages starting from commercially available materials with only nine isolation steps and no chromatography purification. This process provides a reliable and cost-effective source of synthetic (-)-huperzine A and its derivatives for pharmaceutical and nutraceutical markets.

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