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217448-29-8

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217448-29-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 217448-29-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,1,7,4,4 and 8 respectively; the second part has 2 digits, 2 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 217448-29:
(8*2)+(7*1)+(6*7)+(5*4)+(4*4)+(3*8)+(2*2)+(1*9)=138
138 % 10 = 8
So 217448-29-8 is a valid CAS Registry Number.

217448-29-8Relevant articles and documents

General approach for the synthesis of ajmaline/sarpagine indole alkaloids: Enantiospecific total synthesis of (+)-ajmaline, alkaloid G, and norsuaveoline via the asymmetric Pictet-Spengler reaction

Li, Jin,Wang, Tao,Yu, Peng,Peterson,Weber,Soerens,Grubisha,Bennett,Cook

, p. 6998 - 7010 (2007/10/03)

A general approach (oxyanion-Cope strategy) for the synthesis of sarpagine/ajmaline indole alkaloids has been developed. (+)-Ajmaline 1 and alkaloid G 2 as well as norsuaveoline 3 have been synthesized from D-(+)-tryptophan in enantiospecific fashion via

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