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153709-01-4

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153709-01-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 153709-01-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,3,7,0 and 9 respectively; the second part has 2 digits, 0 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 153709-01:
(8*1)+(7*5)+(6*3)+(5*7)+(4*0)+(3*9)+(2*0)+(1*1)=124
124 % 10 = 4
So 153709-01-4 is a valid CAS Registry Number.

153709-01-4Relevant articles and documents

3-Phenylselanylfuran-2(5H)-one: A versatile building block in the synthesis of lignans. A new approach towards 3,4-dibenzyl γ-butyrolactones

Bella, Marco,Piancatelli, Giovanni,Pigro, Maria Cristina

, p. 12387 - 12398 (1999)

Ready available 3-phenylselanylfuran-2(5H)-one undergoes tandem conjugate addition-alkylation by organocopper reagents to afford, with good yields and diastereoselectivities, 3,4-disubstituted-3-phenylselanyl-γ- butyrolactones, which can be transformed into naturally occurring compounds, such as lignans.

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