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220034-57-1

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220034-57-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 220034-57-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,2,0,0,3 and 4 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 220034-57:
(8*2)+(7*2)+(6*0)+(5*0)+(4*3)+(3*4)+(2*5)+(1*7)=71
71 % 10 = 1
So 220034-57-1 is a valid CAS Registry Number.

220034-57-1Downstream Products

220034-57-1Relevant articles and documents

Synthesis and antitumor characterization of pyrazolic analogues of the marine pyrroloquinoline alkaloids: Wakayin and tsitsikammamines

Legentil, Laurent,Benel, Laurent,Bertrand, Viviane,Lesur, Brigitte,Delfourne, Evelyne

, p. 2979 - 2988 (2007/10/03)

A series of aza analogues of the marine alkaloids wakayin and tsitsikammamines A and B have been synthesized. The strategy used was based on [3 + 2] cycloaddition reactions involving 3-ethylamine-indole-4,7-dione and different diazo reagents. All the comp

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