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1356493-25-8

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1356493-25-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1356493-25-8 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,5,6,4,9 and 3 respectively; the second part has 2 digits, 2 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1356493-25:
(9*1)+(8*3)+(7*5)+(6*6)+(5*4)+(4*9)+(3*3)+(2*2)+(1*5)=178
178 % 10 = 8
So 1356493-25-8 is a valid CAS Registry Number.

1356493-25-8Relevant articles and documents

Concise total synthesis of permethylated anigopreissin a, a new benzofuryl resveratrol dimer

Chiummiento, Lucia,Funicello, Maria,Lopardo, Maria Teresa,Lupattelli, Paolo,Choppin, Sabine,Colobert, Francoise

, p. 188 - 192 (2012/01/15)

The versatile preparation of permethylated anigopreissin A (1) has been accomplished from methyl 3,5-dihydroxybenzoate. The key steps of the synthesis are sequential Sonogashira and Suzuki cross-couplings for the construction of the 2,3-diarylbenzo[b]furan moiety and Wittig olefination for the introduction of the styryl group.

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