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811819-69-9

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811819-69-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 811819-69-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,1,1,8,1 and 9 respectively; the second part has 2 digits, 6 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 811819-69:
(8*8)+(7*1)+(6*1)+(5*8)+(4*1)+(3*9)+(2*6)+(1*9)=169
169 % 10 = 9
So 811819-69-9 is a valid CAS Registry Number.

811819-69-9Relevant articles and documents

Intramolecular Heck cyclization to the galanthamine-type alkaloids: Total synthesis of (±)-lycoramine

Liang, Pi-Hui,Liu, Jing-Ping,Hsin, Ling-Wei,Cheng, Chen-Yu

, p. 11655 - 11660 (2007/10/03)

A novel approach towards the construction of the galanthamine skeleton was demonstrated by the total synthesis of (±)-lycoramine. The key steps include a Pd-catalyzed intramolecular cyclization to form the seven-membered azepane ring and a spontaneous int

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