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250778-33-7

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250778-33-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 250778-33-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,5,0,7,7 and 8 respectively; the second part has 2 digits, 3 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 250778-33:
(8*2)+(7*5)+(6*0)+(5*7)+(4*7)+(3*8)+(2*3)+(1*3)=147
147 % 10 = 7
So 250778-33-7 is a valid CAS Registry Number.

250778-33-7Relevant articles and documents

Efficient total synthesis of piceatannol via (e)-selective wittig-horner reaction

Young Han, Su,Suck Lee, Hyun,Hye Choi, Da,Woon Hwang, Jung,Mo Yang, Deok,Jun, Jong-Gab

body text, p. 1425 - 1432 (2009/09/30)

Efficient and practical total synthesis of piceatannol via (E)-selective Wittig-Horner reaction is demonstrated with six steps in overall 40% yield from a commercially available, cheap starting material, 3,5-dihydroxybenzoic acid. Wittig-Horner reaction o

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