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1450741-52-2

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1450741-52-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1450741-52-2 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,4,5,0,7,4 and 1 respectively; the second part has 2 digits, 5 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 1450741-52:
(9*1)+(8*4)+(7*5)+(6*0)+(5*7)+(4*4)+(3*1)+(2*5)+(1*2)=142
142 % 10 = 2
So 1450741-52-2 is a valid CAS Registry Number.

1450741-52-2Relevant articles and documents

Total synthesis of virgatolide B

Hume, Paul A.,Furkert, Daniel P.,Brimble, Margaret A.

, p. 4588 - 4591 (2013)

The first total synthesis of the benzannulated spiroketal virgatolide A is presented. Key features include sp3-sp2 Suzuki coupling of an enantiomerically enriched β-trifluoroboratoamide and an aryl bromide, regioselective intramolecular carboalkoxylation, and a 1,3-anti-selective Mukaiyama aldol reaction followed by global deprotection/cyclization with regioselectivity governed by internal hydrogen bonding.

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