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794568-19-7

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794568-19-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 794568-19-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 7,9,4,5,6 and 8 respectively; the second part has 2 digits, 1 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 794568-19:
(8*7)+(7*9)+(6*4)+(5*5)+(4*6)+(3*8)+(2*1)+(1*9)=227
227 % 10 = 7
So 794568-19-7 is a valid CAS Registry Number.

794568-19-7Downstream Products

794568-19-7Relevant articles and documents

An efficient total synthesis of optically active tetrodotoxin

Nishikawa, Toshio,Urabe, Daisuke,Isobe, Minoru

, p. 4782 - 4785 (2004)

The toxic principle of puffer-fish poison, (-)-tetrodotoxin (1), has been recognized as a formidable synthetic target since its structure elucidation in 1964. An efficient total synthesis of 1 via the intermediate 2, which was used previously for the synthesis of 11-deoxytetrodotoxin, is described.

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