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1334396-16-5

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1334396-16-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1334396-16-5 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,3,4,3,9 and 6 respectively; the second part has 2 digits, 1 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 1334396-16:
(9*1)+(8*3)+(7*3)+(6*4)+(5*3)+(4*9)+(3*6)+(2*1)+(1*6)=155
155 % 10 = 5
So 1334396-16-5 is a valid CAS Registry Number.

1334396-16-5Relevant articles and documents

Total synthesis of paecilospirone

Yuen, Tsz-Ying,Yang, Sung-Hyun,Brimble, Margaret A.

supporting information; experimental part, p. 8350 - 8353 (2011/10/31)

Neutrality is the best policy: Key features of the first total synthesis of paecilospirone include an anti-selective, lactate-derived aldol reaction, and a double deallylation/spirocyclization conducted at neutral pH to construct the sensitive hydroxy-substituted benzannulated spiroacetal (see scheme; Bn=benzyl, TBS=tert-butyldimethylsilyl, TES=triethylsilyl).

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