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1258391-78-4

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1258391-78-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1258391-78-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,5,8,3,9 and 1 respectively; the second part has 2 digits, 7 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 1258391-78:
(9*1)+(8*2)+(7*5)+(6*8)+(5*3)+(4*9)+(3*1)+(2*7)+(1*8)=184
184 % 10 = 4
So 1258391-78-4 is a valid CAS Registry Number.

1258391-78-4Downstream Products

1258391-78-4Relevant articles and documents

Total synthesis of the marine antibiotic pestalone and its surprisingly facile conversion into pestalalactone and pestalachloride A

Slavov, Nikolay,Cvengros, Jan,Neudoerfl, Joerg-Martin,Schmalz, Hans-Guenther

supporting information; experimental part, p. 7588 - 7591 (2010/12/25)

Surprise, surprise! The total synthesis of the marine natural product pestalone (1), a highly substituted benzophenone with strong antibiotic acitivity, has provided insight into the surprising tendency of this and related molecules to undergo intramolecular Cannizzaro-Tishchenko-type reactions. Pestalone can be readily converted into pestalachloride A, a strongly antifungal metabolite isolated from an endophytic fungus, by simple treatment with ammonia at pH 8.

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